Barry Allen (Earth-1)


 * For other uses of "The Flash", see The Flash (disambiguation).

"I don't choose being the Flash over being with my family. I'm the Flash for my family, and I don't have to run to the future to understand why I sacrificed myself. I'd do it to save you, and your mom, all the people I love."

- Barry Allen to his daughter, Nora West-Allen

Bartholomew Henry "Barry" Allen (born March 14, 1989) is a former private investigator and a scientist in the Criminal and Forensic Science Division of the Central City Police Department. Barry's mother was murdered when he was 11 years old on March 18, 2000 and the blame was wrongfully placed on his father. He was taken in by Joe West and he dedicated his life to proving his father's innocence. After the S.T.A.R. Labs particle accelerator exploded, causing a giant thundercloud to form, Barry was struck by lightning from this cloud, falling into a coma for nine months. When he woke up from his coma, he discovered that he had developed superhuman speed and various other abilities derived from it. Using these super powers, he began acting as a meta-human vigilante and superhero known as The Flash (initially referred to by the media as the Red Streak or The Streak) stylized as the "Scarlet Speedster".

After Barry undid Flashpoint, a possible future was created in which Iris West dies. A time remnant of Barry from this future was created, and after being shunned for not being the original Barry he became a powerful, mythical, armored speedster, known as Savitar. His existence was the result of a causal loop revolved around Iris’ death. He sought to ensure his existence by murdering her in order to drive his younger-self into the circumstances that led to his creation. When battling his younger-self he referred to himself as the Future Flash.

Early life
Barry Allen was born on March 14, 1989, to Henry and Nora Allen as an only child.

When he was six, Barry begged his parents to take him to a science expo in Midway City but on the way, they hit a flat tire. Their car had to be towed to a garage in Masonville and they were stuck there all day. Barry and his parents had ice cream and french fries with gravy for dinner at a small diner and spent the night watching the local fireworks display. Barry would consider this to be one of the happiest memories he ever had with his parents.

When Barry was 10 years old, he met Iris West at school, who he became best friends with, and soon after formed a crush on her. Iris' father Joe as well as Henry and Nora were all aware of his crush.

Barry and his mother would watch Fred Astaire and Frank Sinatra musicals together on rainy nights.

On March 18, 2000 when Barry was 11 years old, he ran home from school after getting into a fight with some bullies. Though not being fast enough, his mother assured Barry that he had a good heart, and his father was proud of him for winning the fight. Later that night, Barry was comforted by his mother when he admitted he was afraid of the dark. Nora convinced him he wasn't afraid of darkness itself, just being alone in the dark and wished him sweet dreams.

Death of Nora Allen
On March 18, 2000, Barry was awoken by a commotion. He went downstairs and saw his mother surrounded in streaks of red and yellow lightning. Barry attempted to reach his mother but she told him to stay back and amidst the streaks Barry saw "the Man in Yellow" for a brief moment, and his father urged him to run. At that very moment however, Barry suddenly found himself 20 blocks away (because his future self took him away from the Reverse-Flash).

Barry returned home in time to see his father being arrested by police, and was told by his father not to enter the house. He entered, seeing Joe standing solemnly over a body. When he walked away, Barry approached the body and discovered, to his horror, that it was his mother. Following the ordeal, Barry was fostered by Joe and Iris. This also caused an inhibitor between Barry and Iris as growing up in the same household prevented their feelings (at least on Iris' side) from maturing beyond sibling love.

Initially, Henry asked Joe to not let Barry see him. Not knowing this, Barry kept trying to run away to see his father at Iron Heights, and he was caught and stopped by Joe every time; at one point, Barry called him out for it, telling him that he wasn't his father and that he hated him. Eventually, Barry finally reached Iron Heights before Joe could stop him, and he finally came face to face with his father. Henry told him that he simply did not want Barry to see him in prison. Despite this, Barry begged for his father's release, insisting that the man in the lightning was who killed his mother, not Henry. Henry told him that he couldn't help him and asked that he be a good boy and let Joe raise him. Henry was promptly taken away and Barry became more accepting of Joe as his new guardian.

Six months after his mother's murder, Barry was still depressed and became grumpy towards everyone. Joe saw this and understood why he was acting angry because he didn't want to let the pain of the grief in, fearing his father and mother would be disappointed in him if he did. He assured Barry it's okay to let the pain in and Barry finally let himself feel the grief and cried, with Joe comforting him and promising that he'd always be there for him.

In school, Barry was relentlessly bullied by Tony Woodward. Joe noticed this and had Barry spar with Iris, who easily beat him. Joe then told Barry that if he ever got into a fight he couldn't win, it was okay to run the other way. At the age of 12, Barry went to a reptile camp, which was paid for by Joe. In 7th grade, Barry decided to mix glycerol with an oxidizing agent for his science fair project, believing he would win if he started a chemical fire. Barry got an A, but was suspended. As a teenager, Barry, according to himself, "lived for danger", including smoking a cigarette once, which was an unpleasant experience. In high school, Barry attempted tryouts for the football team but failed horribly and made Joe swear to never talk about it again. Barry dated Becky Cooper in high school, though she was apparently a "nightmare" of a girlfriend. When Barry was 16, he and Iris switched bedrooms so Iris could sneak out the window past curfew, which was 8:00 pm at the time. They told Joe the reason they switched bedrooms was because Barry didn't like the noise from the streets. At one point, Barry and Iris took Joe's convertible out for a joyride and ended up crashing it into an oak tree on Fairmont Drive.

Barry graduated from Central City University with a double major in physics and chemistry. It was with this skill that Barry was motivated by his mother's murder to study criminology, in the hopes of proving that his father was innocent. Barry was hired for the Central City Police Department by Captain David Singh. Shortly after, he was the Junior CSI on a murder case in which the victim, Judy Gimlin, was stabbed to death and her husband Reagan was the prime suspect, which touched home for Barry. His superior, Ralph Dibny, apparently proved Raegan's guilt by finding a knife with the latter's fingerprints. Seeing similar circumstances to his mother's murder, Barry decided to delve further into the investigation and tried the knife for Reagan's DNA. The DNA was in fact not Raegan's and Barry reported Ralph, who was subsequently fired for planting evidence. This created an enmity between the two.

Visit to Starling City
Years later, Barry arrived in Starling City. He wasn't able to initially get a cab as the driver pulled away, and he soon arrived at Queen Consolidated's Applied Sciences Division to investigate a mysterious break-in as a CSI from Central City with a connecting case, where he met Oliver Queen, John Diggle, Quentin Lance and Felicity Smoak (the latter of whom he had an instant connection with).

He was set up in the division with Felicity's help, unknown to Barry, because Felicity believed that they should have used him as an asset considering his work in forensic science. The two began talking, and Barry began speculating about The Arrow and his background, making incisive observations about why The Arrow wore green instead of black, the type of arrows he used, and how he theorized that The Arrow has partners, particularly someone who had a background in computer sciences; all of this unnerved Felicity.

Barry was astounded when Felicity asked him to help with a blood sample from an arrow she received from the police both by her "connections" from working for Oliver, and the fact that he was working the same case as The Arrow. During that particular part of their investigation, Felicity invited Barry to a Queen Consolidated function, which was actually a party at the Queen Mansion. However, before the results came in, his cover as a crime scene investigator working for the police was blown by Oliver just after he and Felicity began arguing over a news report about the mass particle accelerator. It was revealed that he was just an assistant CSI and there was no connecting case in Central City. Barry explained what happened to him as a child, and how it had caused him to begin looking into cases with impossible circumstances, in hopes of one day proving one possible, therefore solving his mother's murder and freeing his father. He was later re-invited by Oliver as Felicity's plus one to come to his home where he was throwing a party for his mother. When there, he apologized to Felicity while they danced. After the party, Barry was contacted by Singh and was told to return to Central City if he hoped to keep his job, and revealed the sedative used was ketamine, informing Felicity it should have been easy to track. He tried to catch the soonest train, though missed the last one of the night. He settled down into the train station to wait for the next one in the morning, when suddenly he was hit with a tranquilizer dart to the neck. When he awoke, he found himself in Oliver's base with Diggle watching him and Oliver lying on a table in full Arrow costume. Felicity approached him and asked Barry to save Oliver's life, who was not only poisoned with an unknown substance from the A.R.G.U.S. disaster bunker, but also had been beaten by the robber who had stolen the centrifuge from Queen Consolidated, raided the blood bank, and encountered Oliver as The Arrow while stealing large amounts of ketamine from the bunker.

Barry was able to save Oliver's life, which Oliver was not too pleased with at first, as they had revealed his secret without his permission. However, Barry eventually gained Oliver's trust. He recommended that a mask would be better than the green grease he used on his eyes as better concealment of his identity. Oliver later asked him if there were any side effects to the rat poison he injected in him, and Barry told him that it could cause hallucinations and heavy sweating. He then discovered that Oliver's hallucinations weren't from the serum, and that it was psychological. Soon after, Barry headed back to Central City.

The accident
On his train back to Central City, Barry encountered Martin Stein and the two discussed physics and Harrison Wells' particle accelerator and how it would change the world. After he got off the train, he soon headed back to work, arriving to a crime scene late. He was successfully able to identify the getaway car from the robbery and also grabbed a sample of some animal feces found on the ground, before heading back to his lab to examine the evidence. While processing the feces, he was greeted by Iris. Barry talked on and on about the S.T.A.R. Labs particle accelerator with her, noting that it provided ideas that were far beyond their current capabilities of science, hence why he was so excited. Detective West approached right as the feces had processed. Barry described the results found, explaining that it had a chemical used only at four different farms around town, suggesting they check them out. Following, Barry and Iris headed to the unveiling and switching on of the particle accelerator. Barry attempted to convey his attraction towards Iris, but she simply misunderstood it. They began listening to Dr. Wells, who described how the particle accelerator would lead to a much greater future. As they were listening, a guy stole Iris' bag along with her laptop inside it. Barry ran after him, attempting to catch up to him; however, the guy knocked the wind out of him and ran off (only to later get caught by detective Eddie Thawne). At the police station, Iris and Barry mocked Eddie, a new transfer from Keystone City. Later, Barry headed to his lab, watching the news of the S.T.A.R. Labs particle accelerator, but as he watched it, it became unstable. The particle accelerator sent a shock-wave through the city, and only seconds later was Barry struck by a red bolt of lightning through a window in the roof. He was sent backwards through the already-charged chemicals and was knocked unconscious. A red flash of light appeared across his cheek, rising, and then faded away. He was quickly rushed to hospital, where he was kept on life support whilst in a coma.

For the following five weeks, Felicity Smoak visited Barry in the hospital while he was in a coma, and left only to help Oliver. Barry's heart constantly seemed to stop working, however it was concluded by Harrison Wells - who had also started visiting him - that his heart was in fact beating too fast to even register on the EKG. When Barry's condition began to worsen he was moved to S.T.A.R. Labs to be closely monitored and was frequently visited by Iris West. When Iris came by one day, she received a static shock when she touched Barry's hand.

Becoming the Flash
When he woke up from his coma nine months later, Barry met Dr. Wells, Cisco Ramon and Caitlin Snow. He learned of his coma and how it had been caused by the particle accelerator explosion. Much to their annoyance, Barry chose to leave, claiming that he felt normal. Barry went to meet Iris at her work, where the two embraced, Iris incredibly thrilled to see Barry awake and walking. As they talked, Barry noticed time slow down, then speed back up again. Iris grabbed her jacket, then they went to visit Joe at the police department. Joe was more than happy to see Barry, though he was called to a robbery at Gold City Bank. Detective Thawne followed West, also expressing his happiness at Barry's return. As they left, Barry noticed a rough detainee, who quickly reached for a police officer's gun. Before he could grab it, Barry sped over to him and back, stopping him from doing anything.

Freaked out by the incident, Barry promised to call Iris that night and left. Once outside, Barry noticed his hand shaking at an unbelievable speed, shortly followed by him accidentally almost running into a bin at super speed, then breaking the back window of a cop car. Realizing the gifts he had, Barry went off running, testing out his super speed. Before long, he accidentally ran through the back of a van. Sometime later at an airfield, Barry met with Cisco, Caitlin and Wells. He put on a tight suit and got ready to run. Dr. Wells cautioned restraint, whereupon Barry began to run at full pelt.

Partway through his test run, he began to remember the night of his mother's murder, specifically a ball of lightning with a man seemingly inside it surrounding his mother, and he crashed, fracturing his wrist. Back at S.T.A.R. Labs, they discovered that Barry's wrist had healed in under three hours, much to their amazement. Dr. Wells inquired as to what happened, and Barry explained what he'd remembered: a man somehow inside a ball of lightning. Barry raised the question that perhaps there were more people like him, but Harrison rejected the idea, claiming that Barry was unequivocally one of a kind. Following that, Barry went to meet Iris at Jitters. He looked upon Iris and Eddie kissing, and they soon took a walk as Iris explained to Barry how the two of them had met, asking him to promise not to tell her father. As they talked, a police car involved in a car chase slammed on the brakes, leading to Barry pulling Iris out of the way as the car hit the wall under the bridge. As the other car raced by, Barry recognized its driver; the seemingly dead Clyde Mardon. Barry ran after the car, crashing through the side and entering. Before Mardon could get his gun out, Barry grabbed the steering wheel, making the car tumble on its side and onto its roof. Mardon exited the vehicle, relatively unscathed and Barry quickly followed.

He called out to catch Mardon's attention, but soon the area was flooded with fog, apparently made by Mardon himself, causing a car to run into the already overturned car, forcing Barry to speed to a nearby patch of grass for safety. Paramedics soon arrived, along with the police, including Joe. Joe scolded Barry for having Iris out in the open and Iris for having followed the danger. Barry took Joe aside, telling him of his belief that the car was driven by Clyde Mardon, who had apparently survived a plane explosion, also somehow gaining the ability to control the weather. Despite various pieces of apparent evidence, Joe didn't believe him. Frustrated with Barry's apparent fantasies, Joe explained how his claims were impossible, including the ball of lightning with the man inside; he knew Barry's father was the murderer, as did numerous others. Having never asked for anything from Barry, Joe asked Barry to for once be realistic, to which Barry simply walked off, disappointed.

He returned to S.T.A.R. Labs, angry at Wells for lying to him about being the only one affected by the particle accelerator's explosion. Dr. Wells claimed to not be entirely sure, as there had been numerous amounts of radiation including anti-matter, dark energy and x-elements, all apparently theoretical prior to the event. Despite them only being theory up to that point, Wells claimed that Barry was proof otherwise. He went into more detail, explaining that they'd been looking for more "meta-humans", a term they'd coined for people like Barry. Barry brought up Clyde Mardon, whom they had to stop before he hurt anyone again. Wells cautioned Barry to keep himself safe, as Barry had the potential to unlock previously undiscovered vaccines, medicines and breakthroughs in science, yet he wished to put himself on the line and "play hero". Dr. Wells saw him as nothing special, just a boy who'd been struck by lightning. Upset by Harrison's statement, Barry called Oliver Queen, hoping to get some advice. He visited Oliver in Starling City, where he expressed that he believed Barry could save people, though in an entirely different way to the Arrow. As opposed to the Arrow's tough vigilantism, Barry could be a guardian angel to the people of his city, saving them "in a flash". As he speeds away, Oliver expressed his awe at Barry's powers. Barry headed back to Central City, to S.T.A.R. Labs. He apologized to Caitlin and Cisco, understanding that they'd lost things in the explosion, but there had been an increase in crime, presumably occurring because of the creation of meta-humans. They agreed to help, and Cisco even suggested the use of a suit he'd made, initially for a firefighter, but believed it suited Barry well. He put on the suit and raced to Mardon's farm, where they'd noticed an acute change in the weather. He saved Joe and Eddie, who'd come to investigate, after a piece of debris flew at them. With Mardon's tornado heading towards the city, with an increasing wind speed, Barry suggested that he run around the tornado in reverse in order to unravel it. Despite Caitlin and Cisco's belief that Barry might not hold up, he proceeded to run around it. Before he could run fast enough, Mardon knocked him away. Believing him to be too strong, Barry didn't think he could beat Clyde. However, as he was about to give up, Dr. Wells began communicating with him. Despite acting selfishly, Wells expressed that he truly, deeply believed that Barry was special, that he could help stop the havoc he'd created. With the confidence boost, Barry was able to run fast enough, clocking just over 700 mph, ultimately unraveling the tornado. After being knocked to the ground, both Clyde and Barry stood up. Clyde proceeded to point a gun at him, claiming them to be the same, though Barry strongly disagreed. Before he could shoot Barry, Joe intervened. The following morning, still at the crime scene, Joe and Barry discussed Barry's powers and Joe apologized, for not believing him and for also believing his father a murderer. Barry also promised not to reveal anything to Iris so as to keep her safe. Not long after, Barry visited his father in Iron Heights Prison, assuring him that he still believed in him, that he was incredibly proud to be his son. After that, with a lightning bolt symbol added to his suit, Barry ran through the streets of Central City, saving a man from crashing on his bicycle.

Early days and setbacks
Barry continued to save citizens throughout Central City, much to the frustration of Caitlin and Joe. At his day job with the CCPD, Barry investigated a strange robbery and murder scene wherein the surveillance footage showed one man, but evidence indicated that there were at least six present. He later made a casual remark that the perp's footprints were about the same size as those of Captain Singh's but was reprimanded for it by Joe, who reminded him not to tell Iris about his ability. Later, Barry went to Stagg Industries with Iris, where Simon Stagg was set to receive an award from Central City University. Iris was covering the event for her journalism assignment and needed Barry to help her with the scientific parts. At the event, the armed gunmen responsible for the scene Barry had just been investigating arrived and were in the process of stealing valuables when a security guard attempted to stop them. Just before they could shoot him, Barry saved him and went after the robbers, only to lose consciousness along the way. After his fainting, this prompted the S.T.A.R. Labs scientists to investigate Barry's recent weaknesses. After a run at a "Cisco'd" treadmill, it was discovered that Barry had acute hypoglycemia, a condition that Barry developed because of his sped-up metabolism and could be remedied by a more extensive meal plan. Joe then arrived at the lab and called him out for his unnecessary heroics. Because of this, Barry lost confidence in himself and, face to face with Danton Black, the meta-human that infiltrated the Stagg event, he realized that he did not have the ability to really go up against them. At this point, Iris was still trying to get Barry to tell her what was going on with him. Just when he had momentarily quit his association with Wells and the others, Iris revealed that her new journalism topic would be his alter-ego, who has been dubbed the "red streak" by citizens. Caitlin then called Barry back to S.T.A.R. Labs and told him of a way to defeat Black. Joe then arrived to convince Barry to go after him. Barry did and followed Danton to Stagg Industries, where he intended to kill Stagg once and for all. With a pep talk from those at the Lab, including Joe, Barry was able to isolate the real Danton from the hundreds of clones and put him down. When Danton momentarily regained consciousness, he attacked Barry only to miss and hit the window. Barry tried to save him from falling but Danton, not wanting to be saved, summoned up an extra hand to pull himself from Barry's grip and fell, much to Barry's disappointment. Later, Barry commended the group at the lab, who then fully supported Barry's city-saving, even Caitlin, and made amends with Joe.

Barry went to the movies with Iris when Cisco and Caitlin informed him of a car chase. Using his speed Barry quickly stopped the robber and returned before Iris knew he was gone. The next day Barry and Joe investigated the death of the Darbinyan crime family. Noting that as the victims were poisoned with gas they would have all died at the same time, yet some of them had time to move. This led to Barry realizing that they were dealing with another meta-human who could control gas. At S.T.A.R. Labs, Joe brought up the topic of finding a suitable prison for meta-humans. Wells and Cisco decided that the particle accelerator would be the best place to hold them until they could cure them of their powers. Caitlin, remembering the death of her fiancé Ronnie, froze in her spot. Seeing her distress, Barry offered for Caitlin to help him run tests on the poison gas they'd procured. At Barry's lab the two talked about Ronnie until the DNA results came back, revealing that the gas inside the victims also had someone else's DNA. Hearing of the murder of Theresa Howard on the police radio, Barry left despite Caitlin pleas. Arriving at the scene, Barry found himself too late and angrily chased after the meta-human. Before he could fight him, the man transformed into gas and forced Barry to inhale him. Rushing back to S.T.A.R. Labs, the team were able to painfully extract the gas with a needle. Despite being told to rest, Barry went to talk to Joe and confide in him about his inability to save the judge. He went on to mention his temptation to break his father out of jail, though Joe reasoned that his father would simply be a fugitive, and despite his abilities, Barry would never be able to save everyone. Later Barry apologized to Caitlin for worrying her, only for Caitlin to reveal that what he had said to her were the same last words Ronnie said before he died. Barry decided to help her overcome her fear of walking into the particle accelerator. After finding peace, she thanked Barry and the two embraced. Wells and Cisco soon called them up and revealed that a sedative was also found in the gas. Barry told Cisco to check if anyone was executed on the night of the particle accelerator, as the two chemicals were used when executing death-row inmates. They identified the meta-human to be Kyle Nimbus, a hit-man for the Darbinyan crime family; the family had turned on Nimbus, leading him to be arrested by Joe West and prosecuted by Judge Theresa Howard. Barry quickly suited up and headed to Iron Heights prison, saving Joe who was visiting Barry's father. Barry then went after The Mist, as Cisco proudly nicknamed him, defeating him by tiring him out (his fatigue would forced him to revert to his human form eventually). Barry later visited his father and confided in him that he missed his mother. Henry comforted him by telling him the story of how he learned to walk. Barry realized that to honor his mother he had to continue running, as he had always done.

Barry trained the speed of his mind by multitasking by playing a game of chess with Harrison Wells, a game of Operation with Caitlin, and a game of table tennis with Cisco. Barry defeated Cisco and Caitlin but made a mistake which caused him to lose against Wells. Soon after, they had an alert of a bank robbery, to which Barry responded to quickly. At the scene, Barry managed to unmask Leonard Snart, the leader of his crew. After a guard was shot, Barry quickly rushed him to St. Andrews Hospital and quickly returned to the scene for work. When Captain Singh noted that a guard said there were three robbers, Barry corrected him to four, though he quickly justified his reasoning as it had to have been a four-man job. After Singh sarcastically thanked Barry for his insight, Joe asked if Barry saw anything that could help the case, to which Barry told Joe he saw one of them unmasked. At the precinct, Barry quickly identified Snart and learned that Snart's father was a dirty cop. Later when Iris brought Barry coffee, Barry was told by Iris that she began a blog about The Streak. Barry attempted to convince her to stop with the blog as it only brings crazies and trolls, but failed. Barry was shocked when he saw Felicity in his lab at the police station. He caught up with Felicity and he learned Felicity listened to his entire conversation with Oliver on the rooftop. Barry showed Felicity his powers and brought her to S.T.A.R. Labs. When asked if they could trust Felicity, Barry told Cisco and Caitlin that she works with The Arrow, reassuring them. Barry showed his powers again, using the treadmill where Barry attempted to show off by running backwards, though he failed. When Barry brought Felicity to Jitters, he was invited by Iris to join her and Eddie at Trivia Night and to bring Felicity. When Iris asked why Barry wasn't dating Felicity who she claimed to be the perfect girl for him, Barry stated that they were only friends. At trivia night, Barry and Felicity answered a majority of questions correctly. Iris then pushed Barry to ask Felicity out again, assuming Felicity was very interested in Barry based on how she dressed. After Snart was spotted, Barry left and had Felicity cover for him, though she had no excuse that could work for him. Barry arrived in time to save Joe and a few others but due to the fact he was struck by the cold gun when saving Joe, he was slowed down and failed to save a security guard. Barry later was furious at Cisco for building the weapon which caused the death of a man. Barry felt betrayed as he was never notified of such weapon, and this meant he was unprepared. Barry quickly learned Cisco originally made the gun to be used on him, had he gone uncontrollable. After the team tracked Snart, Barry decided to take him on his own and turn off all communications. When Barry confronted Snart, Snart noted that Barry's weakness was his altruism; his need to always save others, rather than going after the villain. Snart froze the wheels of the train, causing it to derail as he fled. Barry, having no choice, managed to rescue all passengers though he was attacked by Snart. Before Snart could finish him, Barry was saved by Cisco, Caitlin, and Felicity. Back at S.T.A.R. Labs, Barry said his goodbyes to Felicity, though he later chased after her and hopped on her train. The two had a conversation about relationships before sharing a kiss.

Barry was hanging out with Cisco, Caitlin, Iris, and Eddie at a bar where he discovered that because of his high metabolism he could not get drunk. Suddenly an explosion was reported at a building Barry raced over to see a window washer about to fall, thinking of no other way to save him Barry asked Cisco and Caitlin how fast he would need to go to run up a building. They told him that if he moved at extremely fast speeds he would be fine but must maintain his speed on the way down or risk serious injury. Barry rescued the man but was seen by Iris; blurring his face so she wouldn't recognize him, he quickly left. Later as police investigated, Barry informed Joe that he could find no bomb casing. Searching through the files using his powers Barry found some information that pertained to the incident. Back at the police station Barry was told by Joe to give the military everything they had on the case. Barry handed the files over but, using his speed, managed to snatch one file from them. Joe told him to consult with the crew at S.T.A.R labs. At the lab Barry told them of what happened. Wells was familiar with Wade Eiling, the general leading the investigation. Wells explained that he worked with Wade to develop gene therapies for soldiers while Wells was more concerned over its benefit to civilians, only for him to sever their partnership when he found out Eiling's plans to develop mind reading abilities for interrogation purposes. Cisco went through the army's digital records where they discovered the culprit was a woman named Bette Sans Souci, a bomb specialist for the army. Barry found Bette at her last known address however when tried to take her in, contact with her caused his clothes to begin to detonate. Bette told Barry to get out of his clothes before they exploded which he did, just barely escaping the blast. Back at S.T.A.R. Labs Barry told a distraught Cisco about the suit and revealed to the others she was a meta-human. Joe came to him and asked Barry why he didn't tell him Iris saw him the other night. Barry told him she caught him off guard so Joe told him to tell Iris to stop blogging about him. Barry begged Iris to stop but she refused, claiming that he himself had wanted to know about the impossible since they were young. Barry noted that she wasn't even putting her name on it; Iris told Barry only to talk to her when he was ready to tell her the truth about why he was being so skeptical. Cisco and Caitlin called and told him that Bette was spotted at the location of the surgeon who experimented on her. Barry arrived just in time to save Bette from being captured. Back at S.T.A.R. Labs the others told Bette of how the Particle Accelerator explosion and how it changed her.As they examined her Caitlin discovered a tracked inside her graze wound when the army attacked her, leading Wade right to S.T.A.R. Labs. The others quickly got her out while Wells stalled Wade. Outside while testing her abilities, Bette asked Barry if the others had tried to help him find a cure. Barry told her how a friend once told him that the bolt struck him for a reason and now because of it he can help people. Joe called and told Barry that Iris put her name on her blog. Barry confronted her as the Flash and told her to stop writing about him. Iris revealed that to him that she was writing to help Barry prove that the impossible does exist. Barry arrived at S.T.A.R. Labs where the others revealed to him and Bette that curing her was at the moment impossible. Barry suggested that she join their team but the others pointed out that Bette's powers were to destructive and could put them all in danger, despite Barry pointing out she was the first meta-human they encountered who was not a criminal or a person who deliberately used their powers to hurt others. Back at his lab in the police station Barry met up with Joe. He told him that by visiting Iris as the Flash he found out that Iris was only writing about him to help. Barry pointed out that the only way to get Iris to stop was to tell her the truth claiming he told her everything only for Joe to reveal he knew Barry had feelings for Iris since he was a child and noted that Barry has not told Iris his feelings about her. Barry claimed it didn't matter since she was already dating Eddie but Joe told him that went fate wants something to happen, whether it be him getting hit by the bolt that gave him his powers or getting two people to fall in love, it works things out. Back at S.T.A.R. Labs the others told Barry that Bette had left without saying where she was going. When they finally found her about to engage Eiling and his men Barry rushed to her location before she could kill him. As Barry talked her out of killing Eiling, the general shot her killing her. As her body began to detonate the others told Barry to get her remains out of the city. Barry asked them how fast he would have to go to run on water. The team guessed about 650 miles per hour but told him he must escape the blast once he dropped her. Barry did and just barely managed to outrun the shock wave. Later as Eiling covered up the incident Barry expressed disappointment, as Eiling had killed Bette in cold blood right in front of him and yet they could do nothing to him. Caitlin tried to comfort him telling him that running on water put him in interesting "company". Back at Joe's house Barry told Iris about his situation with Bette without telling her the specific details and asked her one more time to stop writing about The Streak. Iris once again refused, forcing Barry to tell her that they should not talk to each other for a while.

Later Barry visited Iris once again as The Streak and tried to convince her to stop writing about him. However she ignored his request and instead tried to find out more about him. She then asked what she should call him with Barry claiming anything would be better than "The Streak". Their conversation was cut short when they heard sirens. Rushing to the crime Barry saved a kid who was about to be run over by the culprit. Cutting the criminal off, Barry discovered he was a meta-human when the man ripped the door off of the Humvee he had stolen and threw it at him. Barry dodged this and attacked the man, only for his skin to turn into a steel like substance, resulting in Barry injuring his hand and the man brutally back handing him. Beaten, Barry escaped but not before the criminal told him that he was "born to take a beating", a phrase that seemed familiar to him. Rushing back to S.T.A.R Labs, Barry passed out on the floor. Caitlin examined his injuries and told him he had various fractures, a concussion, and a bruised spleen, the injuries being so severe that Caitlin told him even with his healing abilities it would take a couple hours for him to recover. Barry then told them about the meta-human's abilities, and asked how he was supposed to fight a man made of steel. Dr. Wells and the team assured him that they would find a way. The next day Barry reported to the Central City Police Department, where he confirmed with Joe that the metal man was indeed a meta-human. Joe told Barry that he was putting him and Eddie on the case so that Barry could explain to Eddie what he saw. Barry then went to see the Central City District Attorney, who identified the "man of steel" as Tony Woodward. Barry recognized the name; Woodward was a former classmate of Barry and Iris’, who bullied Barry throughout his childhood. After the meeting, Barry and Eddie ran into Iris. Eddie asks Barry what’s going on between Iris and him, not knowing that Barry was avoiding Iris but Barry told him everything was fine.

At S.T.A.R. Labs, Barry was introduced to a girder dummy built by Cisco so Barry could learn the right speed to take down Tony Woodward. Barry was easily defeated and dislocated his shoulder in the process. Shortly after, he was called by Eddie who had found the missing Humvee. Barry responded and as he arrived, Eddie recommended that he should get a car. Eddie then asked what's happening between him and Iris again where Barry revealed they had a fight. Barry and Eddie then headed to Rusty Iron Ale Brewing Co. after suspecting he had dropped by there due to the kegs in the trunk. After questioning a few men at the brewery, one man ran, Barry and Eddie chasing him. Barry ran in front of the two, where the man punched Barry though it slowed him down enough for Eddie to take the man down. They then learn that Tony supposedly died in an accident, though they revealed to the man that he lived. Barry visited Iris at Jitters again where he told her that Tony is an example of why she should stop blogging about him. As the cops arrived, Barry ran off to Tony's hideout. Barry was easily defeated by Tony and rendered unconscious. After he was brought back to S.T.A.R. Labs, he was yelled at by Harrison Wells who reminded him that they were still finding a way to stop him. Barry was then told that they had found a way to stop Tony and that is to hit him at 837 mph. At the precinct, Barry and Eddie discussed being victims of bullying as kids, while blowing off steam using a punching bag. They were soon told that Iris was missing and the two quickly rushed to help. After learning a fire alarm went off at his old elementary school, Barry quickly realized that was where Tony and Iris were. Barry fought Tony but was once again defeated. Barry then ran away from the school, 5.3 miles exactly, then ran back towards the school, breaking the sound barrier and knocking Tony down. Barry then greeted an incarcerated Tony, revealing his identity and told him that the particle accelerator made them who they truly were.

After walking away from the makeshift prison, Barry celebrated as he had finally had his revenge on Tony. Barry then greeted Iris at Jitters and the two reconcile. When Iris told Barry more about "The Streak", she told him how he comes and goes in the blink of an eye, and Barry interrupted her saying he does it in "A Flash".

Barry went for an early morning coffee run at Jitters, though a trainee was working that morning. After a woman complained about it, Barry sped past and got everyone their coffee and left a large tip for the trainee. As he left Jitters, a man grabbed him and asked for his wallet. Barry laughed at the man, as he chose him out of everyone else in the city. Barry proceeded to take a majority of the man's clothes off and brought a police officer to him as he ran away. Barry later was called to a crime scene where a man was burned to death. Joe said Barry had to ID him though Eddie asked how Barry was going to do so with the man's face melted off. Barry then bragged about his "mad skills". Barry then brought the photo of the man to S.T.A.R. Labs, where they managed to ID the man as Casey Donahue. Shortly after, the man's ID was used at an electrical plant, which Barry quickly responded to. When Barry arrived, he encountered Farooq Gibran, a meta-human who has the ability to drain electricity. Barry made a few attempts to avoid his attacks though he was soon struck by Farooq. Barry later tried to run away, though to his surprise, he had lost his super speed. At S.T.A.R. Labs, they had tested him on the treadmill, though to everyone's surprise, Barry ran slow, even for a normal person. Barry warned Barry about the meta-human who siphoned his abilities and killed the man. Barry later bumped into William Tockman at the precinct, who had complimented him for his watch. At S.T.A.R. Labs, they managed to identify the meta-human who shortly arrived at the lab, demanding to see Harrison Wells. Wells shortly told Barry that they could try jump starting him to regain his speed which Barry quickly agrees to. When Farooq broke into the lab, Barry tried to talk sense into him but Farooq only struck Barry. Cisco managed to close the doors to hold Farooq off for a short while. Barry and Caitlin then went to the treadmill to jump start his powers. When Cisco turned the power back on, Caitlin was hesitant to follow through as she was afraid he would die. Barry told Caitlin that if she doesn't follow through they would all die. When Caitlin made an attempt to jump start Barry, they learned that it had failed. Barry and Caitlin then witnessed Tony get defeated by Farooq. Barry asked what he was doing outside of the prison where Tony reminded him he never steps away from a fight. Tony then told Barry and Caitlin to get out as Tony died. Barry was then furious at Wells, who had used Tony to buy some time. They then noticed that Barry's cells were still regenerating though Barry still didn't have his speed. Cisco and Caitlin then believed the reason he had yet to regain his speed was because it was mental and he didn't believe enough. When they made an attempt to escape the lab, they were attacked by Farooq. Wells then finally faced Farooq.

When Farooq attacked Wells, Barry finally believed enough to regain his speed and save Wells. Barry faced Farooq once more but this time he has connected to his powers and the energy overwhelmed Farooq, killing him. Barry then rushed to the precinct, worrying that something had happened to Iris. He was relieved when he saw her safe in Joe's arms. After they locked up Farooq's body, Caitlin noticed that Barry's cells were regenerating faster than before. Barry payed Eddie a visit at the hospital. After Iris left to grab a coffee, Barry briefly left and had a conversation with Iris as the Flash. Barry then told Iris he would never be late again and that Iris is worth being on time for. Barry then ran off and returned to Eddie's hospital room.

Barry arrived at a bank that Roy Bivolo was robbing, only to find everyone attacking each other. Barry managed to save a man from being shot just as everyone began to recover. When Joe and a few other police arrived at the scene, Barry suggested to Joe that the people were "whammied". At the precinct, Barry learned that Eddie finally believed the Flash's existence though he learned Eddie believes he's a menace. Barry proceeded to steal Captain Singh's lunch as he went to S.T.A.R. Labs to discuss the new meta-human. Shortly after, Iris called him out through her blog. Before Barry left, Caitlin told him not to get involved in Iris and Eddie's relationship as he would be responsible for their breakup. When Barry arrived at Jitters, he told Iris his name was Ralph. Barry was warned by Iris that Eddie was pushing to get him behind bars. Barry managed to get to the storage facility Roy was hiding at before Joe and two other police officers could be killed. Barry was then greeted by Oliver, who had arrived in time to injure a "whammied" police officer. Barry then raced to the barn Oliver, Felicity, and Diggle were hiding at. When he arrived, he bragged how he gave Oliver a half an hour head start, yet still beat him. Barry asked the three what they were doing in Central City where he learned they were investigating a homicide which possibly connected to Central City, due to the material of the boomerang used to kill. Barry suggested that the two teams should work together, though Oliver refused as he didn't want anymore people in on his secret. Barry then carried Felicity and took her to S.T.A.R. Labs as she volunteered to go help. Barry was later told by Harrison and Joe not to trust Oliver as they feared he was too dangerous. The following day, Barry met up with Oliver and Felicity at CC Jitters, where Barry learned that Oliver had helped get the name of the meta-human. Barry was then asked by Iris how he knew Oliver Queen. She then sarcastically said that Oliver's arms were twice the size of his and told him that Oliver was on her top 3 cheat list. Barry was then glad when Oliver decided to work along with him. The following day, Barry arrived late for the training, despite his speed. Barry was told by Oliver that he always ran in blind and he has a lot to learn. Barry was told to run a distance and run back where he'd get shot by an arrow where Barry told Oliver he wasn't going to be shot. Barry proved him wrong by catching the arrow though he was struck in the back by 2 bolts which Oliver had set up. At the precinct, Barry was told once again not to trust The Arrow, though Barry defended him, saying he's the reason they had Bivolo's name. Barry then decided to cut off the partnership and go after Roy himself. Barry was whammied by Roy but he believed there was no effect on him. Barry proceeded to bring up Ronnie in front of Caitlin. He later met up with Oliver where he told him that he believed Oliver was jealous of him. At the precinct, Barry lashed out at Captain Singh. Later on, Barry attacked Eddie and threw him out of Iris' car. As he was about to beat Eddie, Barry was hit by a trick Arrow from Oliver. Barry then pulled the rope from the arrow and dragged Oliver down an alley. When Oliver fired two arrows, Barry dodged them, believing Oliver had missed, though he failed to realize there was an electricity box behind him. Oliver then injected Barry with two thousand milligrams of horse tranquilizer, though his metabolism burned it all off. Barry then ran circles around Oliver and as Oliver used one of his arrows to get on the roof, Barry reached the roof first and knocked Oliver down. Barry then dodged a few hits from Oliver before punching him several times. Barry then caught two arrows which Oliver had set up to his motorbike. Barry was then shot in the leg with a flechette and then held by Oliver as Joe and Harrison arrived to reverse the effects from Bivolo. Barry and Oliver went on to take down Bivolo and look him in the prison in S.T.A.R. Labs. The following day at Jitters, Barry apologized to Oliver for his actions and his words, but was then told by Oliver that guys like them can never get the girl because of what they do. Barry visited Iris at Jitters though he learned Captain Singh has called the task force to bring him in. Iris proceeded to tell him she doesn't want to see him again after what he did to Eddie. Barry then ran off into the night.

Barry arrived in time to intercept two boomerangs from striking Oliver. Barry ran to the arrow-cave and performed the salmon ladder at super speed in front of Caitlin and Felicity. Barry then stated the salmon ladder made him hungry for sushi, which he quickly grabbed before rushing back. When Barry returned to the Arrowcave, he had blown his identity to Lyla Michaels, who he thought was Diggle's wife. Barry offered to help with the case, though Oliver told him that things are a lot different. Barry told Oliver that he had begun to approach cases more carefully rather than just running into them. Oliver then accepted his help and told Barry they needed to reassemble the boomerangs to which Barry did swiftly. Barry and Oliver visited Quentin Lance where Quentin had forgotten his name and believed it to be "Bart". Quentin also believed that Barry was hit by a bus, rather than lightning, though Barry corrected Quentin. Barry asked Quentin about Klaus Markos where he learned enough information to track Klaus down. Barry was later surprised that Oliver was part of the Bratva, where Oliver told him that he's no longer a member. At the Bratva's hideout, Barry managed to subdue the members before Oliver arrived. After Oliver tortured Klaus, Barry brought Klaus to the Starling City Police Department and cuffed him to a drawer. When Barry returned, he admitted that he should have listened to Harrison Wells and Joe West. When Oliver told him that Starling City isn't always sunny and that he had friends and family murdered, Barry interrupted Oliver, saying he watched his mother get murdered also. Barry then told Oliver that he doesn't use his own personal tragedies to torture whoever pissed him off. Oliver then made it clear to him if his way of dealing with criminals was too hard then Barry was not allowed to stay and help. When they believed they had tracked Digger Harkness, Barry and Oliver arrived at the warehouse, though they realized that they were played. When they returned, they found Lyla in critical condition where Barry rushed her to Starling General Hospital. After Oliver blamed himself, Barry reassured him it wasn't his fault. When Oliver told Barry that everything he had been through taken away his humanity, Barry told him his humanity is what got him through everything. Barry and Oliver arrived later arrived a the train station where they had tracked Digger. Digger told them that they can stop him, or 5 bombs from detonating. Barry left to defuse the bombs while Oliver dealt with Digger. When Barry arrived at the first bomb, the team quickly realized that the bombs are linked and if one is defused, the remaining will detonate. Cisco told Barry that he needed to cut all 5 wires at the same time though Barry reminded him he wasn't Multiplex. Barry then quickly grabbed Felicity, Caitlin, Roy, and Cisco to the other four bombs where the five of them managed to cut the wires simultaneously and stop the bombs from detonating. At the arrow-cave, Barry was surprised when he had a mannequin set up for a future team-up. When Oliver said he will still be calling the shots, Barry told him that they'll see about it. Barry and Oliver then went to a warehouse to settle once and for all, who would win in a fight. Before the dueled, Barry told Oliver that he could still inspire people, but as Oliver Queen. Barry managed to catch two arrows from Oliver before charging towards him and dodging multiple arrows.

Barry visited the West household for Christmas. When he set up the Christmas tree using his speed, he was told to remove what he had added as the only red suited man Joe wanted to see in the house was Kris Kringle. Iris shortly arrived with eggnog using her grandmother's famous recipe. Barry and Iris shortly exchange gifts where he gave Iris a replica of her mother's wedding band. Iris gave Barry a microscope which she thought was lame but Barry claimed he loved it. They were shortly interrupted by Eddie who joined them for tree trimming. Barry went to S.T.A.R. Labs where he brought the team gifts as well as Grandma Esther's eggnog. After an attack at Mercury Labs they discovered it was the work of the man in yellow. Barry quickly wanted to go after him but was told by Joe that the speedster took all the evidence and threatened to kill Iris. At the precinct, Barry had memories of the night as he looked upon his bulletin board. He was visited by Iris who had been calling his name multiple times. Iris told Barry that Eddie had asked her to move in and she said yes. She then asked if Barry had feelings for her as Eddie was under the influence that he liked her. Barry quickly denied the suggestion. As Iris left, Barry sulked to himself but moments later saw the man in yellow, the Reverse-Flash, watching him just across from the precinct. Barry chased after the Reverse-Flash and begging to know why he killed his mother, but the Reverse-Flash told him if he wanted to know he'd have to catch him. The two race down towards a stadium where they battled though Reverse-Flash quickly defeated Barry. Barry asked the Reverse-Flash who he really was but the man claimed Barry already knew who he was, that they had been fighting each other for years. As Barry tries to fight back the Reverse-Flash subdued him and told Barry it was his destiny to die at his hands, just like it was mother's. The following day, Barry told the team about what had happened. After Barry believed he couldn't catch him, Wells reminded that force fields are impervious to speed. Barry and Joe are visited by Tina McGee at the precinct who brought an unsigned warrant. Barry blackmailed Tina into giving them the tachyon prototype within the hour. Barry was then told by Barry that it's best for him to stay away while they capture the man in yellow. Barry argued that it's his fight though they still shut him down. Barry visited his father and told him that he had found the man who murdered Nora. When he apologized for failing to catch the man, his father reassured him that it wasn't his fault. Barry was then told to stop pursuing that man as everything that happened to Barry was influenced by the murder. His father noted that he had given up the chance to be with Iris because he was too consumed with what happened. His father then told Barry to not let the man take anymore from him. Barry then went to visit Iris and confess his feelings, leaving Iris in tears. Barry received a text from Caitlin that Reverse-Flash was attacking S.T.A.R. Labs. When Flash arrived he attacked the Reverse-Flash though was quickly defeated again. Before the Reverse-Flash can kill him however Flash is saved by a seemingly alive Ronnie who quickly fled shortly after. Back at the precinct, Barry and Joe recount the early days of Barry moving in. Joe claimed that Barry changed the atmosphere of the house and asked Barry to move back in. They then return to Joe's home for a Christmas gathering where he gave his best wishes to Eddie and Iris.

Upset he couldn't stop the Reverse-Flash in their last encounter, Barry trained harder. He had Cisco use a drone to fire ammunition at him, all of which he evaded. He then had Cisco fire a missile, which Barry successfully grabbed and threw towards the drone. Shortly after Snart re-emerged, Barry quickly realized Snart was setting a trap for the Flash. Barry vowed to take Snart down but Wells told Barry to set his priorities straight and focus on taking the Reverse-Flash down. Barry went to Joe and told him he was going to focus on the Reverse-Flash and left Snart to Wells and Cisco, much to Joe's dismay. At S.T.A.R.L.A.B.S., after Caitlin brought up how Ronnie brought her scuba diving, Barry realized Firestorm wasn't a word but indeed an acronym. After Leonard Snart and Mick Rory steal the Fire & Ice painting from the Ratahway's, many of the CCPD were injured and Barry admitted to Joe he should've listened and focused on the current situation. Wells apologized to Barry for pushing him to focus on the Reverse-Flash but Barry told Wells he made the decision on his own. After Snart and Rory made their public address to the Flash, Barry goes after them, making himself public for the first time. Though Snart and Rory get the upper hand at first, Barry realized in order to cancel the two's weapons out, he had to move slower. When Leonard told Barry he won this time, Barry responded that there won't be a next time. The following day, after Iris had moved out, Barry moved back in with Joe.

With the assistance of his team, Barry took down the Royal Flush Gang with ease. When he returned to S.T.A.R. Labs, the team took a group photo. After Wells was attacked by Hartley Rathaway, Barry went over to his mansion. When he noticed the shatter of the glass, he realized it couldn't have been a teenage prank. At his lab at CCPD, Barry demonstrated how Hartley likely used some sonic technology when he attacked Wells. After Eddie reported an attack on Rathaway Industries, Caitlin called Barry but Barry told Caitlin he already knew why she was calling. Barry quickly took down Rathaway, who told Barry he can hear Cisco, Caitlin, and Wells through the radio waves. After Wells admitted he knew the chance of failure of the particle accelerator, Barry told Wells he owed Caitlin and Cisco more than an apology, as they stuck around when everyone abandoned him. Later that night, Barry and Iris had a coffee at Jitters discussing how people they admire aren't who they seem to be. When Hartley broke out of the prison, Barry rushed to S.T.A.R. Labs though Hartley had left by then. When Hartley attacked the Keystone Cleveland Dam, Barry rushed over and arrived in time to save a woman who Hartley threw off. Hartley used the data on Barry's molecular scans to stop Barry once he was disarmed. Hartley was then stopped after the team hacked into the frequencies after the cars at the dam to send out waves powerful enough to stop Hartley. When Wells told Barry he wished to regain the trust of the team one day, Barry told him he already had.

Barry saved a couple from a burning car, Cisco told Barry he couldn't be mad for dirtying his suit, to which Barry asked when he could start calling it "his" suit. While Barry was investigating Clay Parker, he was greeted by his father. When Barry brought the DNA samples to S.T.A.R. Labs, they realized Shawna Baez was also involved. Barry and Caitlin discuss how they both don't have much of a social life where they were interrupted with a sighting of Shawna Baez and Clay Parker. Barry rushed to the scene and was shocked when he learned Shawna can teleport. He was shot at in the neck by Clay Parker but managed to stop the bullet, though the two escaped. Barry stopped by to help Iris with a report, though she already had plans with Eddie. Barry then decided to drop by a south-side dive bar with Caitlin to check if Shawna and Clay returned to old habits. After Caitlin had a few drinks, she walked up to the stage drunk and called Barry out to join her. The two then sang "Summer Nights" where Caitlin was shocked Barry could sing well. After their duet, Barry was greeted by Linda Park, who offered him her phone number. Barry then took Caitlin back to her apartment and put her to bed. The following day, Barry teased at Caitlin for what happened the night before. Barry was called and told that his father was beaten by Julius. Barry asked who attacked him and went after Julius. Barry broke Julius out and told him he wouldn't return him to prison, causing him to face more time if he didn't give him Clay and Shawna's next heist. After Barry was told they were in St. Louis, Barry decided to leave Julius out for beating his father. While chasing Clay and Shawna, Barry busts out all the lights in the tunnel they were in, disabling Shawna's teleportation abilities and locking her in a one way glass. Later, Barry decided to call Linda Park and asked her to go on a date. Barry gave Iris information on Clay Parker to use for a report for the Central City Picture News. He then picked Linda up and the two go for a date. That night, Barry went back to Iron Heights to check on his dad. When Henry began putting the pieces together that Barry was the Flash, Barry claimed he would've told his dad if he was the Flash. Barry was then told that the world is dangerous and told to be careful and that his father was proud of him for saving many lives.

Barry took Linda on a dinner date at a Mexican restaurant. While Linda went to wash her hands, Barry was notified of a robbery at a convenient store and quickly settled the robbery. The following day, Barry had another date with Linda but had to end the date early after Wells and Caitlin spotted Firestorm. Barry tried to stop Firestorm and told him they could help but Firestorm attacked Barry and flew off. Barry and Caitlin then tried a different approach, bring Martin Stein's wife along this time, which Martin finally agreed to get help. Linda called Barry to break up with him as she felt he didn't care enough in the relationship as he often ran off and made excuses. Linda told Barry that it's hard to date someone new when you aren't over someone and understood. Barry went to ask Iris why she told Linda she had feelings for her still and told Iris he no longer had feelings for her. At S.T.A.R. Labs, the team learn that Ronnie and Martin could go nuclear and level the entire city, unless the host body was killed. Barry went to offer Ronnie/Martin some pleasantries though Ronnie told Barry he overheard the conversation. Barry went to Central City Picture News and told Linda he was going to eat a ghost pepper if she didn't agree on another date. Barry took a bite after she believed he was bluffing and Linda agreed to go on another date and offered him some milk. Barry returned to S.T.A.R. Labs and the team decide to use a quantum splicer on them two separate but learn Martin had left already. Barry and Caitlin rush over to Martin and the two told Martin that they have a way to separate them. After the quantum splicer was placed, Firestorm reacting, believing they had failed, Barry grabbed Caitlin and ran off to safety as an explosion set off.

After they got to safety, Caitlin worried they were exposed to radiation, though Cisco informed them there were none. They went back and were pleased when they learned they successfully separated and took them back to S.T.A.R. Labs. Barry was contacted by Joe and was informed what he learned with Cisco the previous day. They brought the news to Wells who told them time travel is indeed possible. Barry then went to ask more about time travel with Martin Stein who suddenly had a panic attack when General Eiling attacked CC Jitters. Barry rushed over to stop Eiling but the latter used kinetic needles to stop Barry. They later learn that Martin and Ronnie are still connected. At his home, Barry asked how Joe knew whose blood sample to match and was told that Joe asked Cisco to match the sample with everyone who worked at S.T.A.R. Labs. Barry then told Joe to not worry as he was sure Wells had nothing to do with his mother's murder. After Martin was captured, the team track him down and Barry, along with Ronnie go to rescue Martin. Barry was hit with a weaponized phosphorous and began running in circles to burn it off. After Eiling had the upper hand, he prepared to kill Firestorm though Barry stopped Eiling in time and Barry returned to S.T.A.R. Labs with Firestorm. Later, Barry told Joe that when the time came, he wouldn't fail like he believed he had in the past and he would save his mother.

After Barry loses a USB drive containing information on various crime scenes and searches for it at S.T.A.R. Labs with little success, but his attention was quickly diverted when Cisco told him of a possible metahuman, Mari McCabe whom Cisco nicknames "Vixen". However Cisco also informs Barry that Mari was currently living in Detroit and not knowing what to expect Barry went to Oliver for help and the two headed to Detroit to confirm whether or not she is a threat. Flash and Arrow arrived at the house of Mari’s foster father Chuck but when she saw the vigilantes she immediately ran and they gave chase. Flash gave chase to Mari whose speed was just as fast as his and asked her to stop but she refused and displayed incredible strength caused Flash to fly back several blocks, but eventually resumed the chase with Arrow. Mari then displayed the ability to run up a building forcing Flash and Arrow to take the fight to the rooftops. Despite the combined efforts Mari continued to outrun Flash and dodge Arrow’s shots, even crushing his arrows with her bare hands. Mari also displayed the ability to camouflage but Arrow attempted to restrain her with a jettisoning arrow but she outran it, only to slip off the side of the building but then displayed the ability of flight which highly impressed Flash. As Mari attempted to fly away Arrow convinced her to come back as they just wanted to talk, though Flash wanted to handle the talking claiming to be better at it but Arrow simply reminded him he just puts meta-humans in the pipeline. However Mari shot down Flash and Arrow’s claim that she was a meta-human claiming that she wasn’t in Central City when the particle accelerator exploded, which Felicity was able to confirm. Though Flash was unconvinced Arrow offered their help to Mari to understand what she can do but she turned them down as she was uninterested and warned them that if they ever showed up at Chuck's house again, she’d kill them and flew off.

Ignoring Mari's warning Flash and Arrow returned later to her house, where they discovered she'd become a vigilante herself, and Arrow questioned her intentions to take on Detroit's criminals without training. However Mari convinced them to let her try things her way for a while and Arrow agreed and wished her luck as Flash reminded her they could still help if she needed them to. After Mari asked if they had an idea of a name for her Flash told her that Cisco had been calling her Vixen, and he quickly tried to cover up mentioning Cisco causing Arrow to ask if Barry and Felicity were separated at birth. Arrow also learned that Flash kissed her causing him to speed off in worry.

Barry took Linda bowling where they bumped into Iris and Eddie. The two join them but later, Eddie and Barry were called after a silent alarm went off at the Central City Morgue. Barry ran ahead and investigated the crime scene prior to returning as his CSI job and on his way, he noticed another Flash running beside him. After listening to a recording, they learned that it was Mark Mardon who attacked the Morgue. The following day, while Barry and Joe were discussing over a drive, they were attacked by Mark Mardon, though Barry got Joe to safety in time. Barry and Iris later went to CC Jitters where the latter told Barry that she suspects Wells had to do with Stagg's murder. Barry told Iris that Wells is a great man and she won't find such a story. Barry later told Cisco and Caitlin from what he heard from Iris but still denied the fact that Wells had involvement in Stagg's disappearance. After Mark attacked the precinct, Barry ran over in time to stop Mardon with the Wizard's Wand, though Mark escaped. The following day, Barry dropped by and conversed with Mason Bridge about Harrison Wells. Barry asked Mason what evidence he had on Wells and was told to read about it like everyone else. After Joe was kidnapped and held hostage by Mark Mardon, the latter called Iris to meet him at the waterfront. Barry went to help Iris. Linda stopped by the precinct to talk to Barry, though Barry told Linda there was something more important, though not what she thought was going on. At the waterfront, realizing the danger, Barry told Iris to get out and get to safety, though Iris confessed her love for Barry. The two share a kiss before Barry revealed his alter-ego to Iris. To stop Mark Mardon's wave from destroying the city, Barry ran back and forth the seawall to create a barrier of wind and doing so, he accidentally traveled back in time as he watched his past self run towards the morgue.

At the morgue, Barry was confused at what was going on, quickly solving everything. At S.T.A.R. Labs, Barry finished off everyone's sentences and Wells quickly realized that Barry had traveled back in time. Wells then warned Barry to not alter any events, big or small as it could cause a cataclysm. Ignoring Wells instructions, Barry tracked down Mark Mardon and brought him to the S.T.A.R. Labs particle accelerator prison. Wells told Barry that even though he may have saved many lives, time would find a way to repair itself. Barry ran as fast as he did previously in an attempt to go back once again, though to no success. At Central City Picture News, Linda told Barry that she knows he still had feelings for Iris and broke up with him, though wished him luck with Iris. Barry then told Mason he knew he suspected something wrong with Wells. Later that night, Barry and Cisco grab a drink but Barry ended up leaving Cisco with Lisa, unknown to him who she really is. The following day, Barry confessed his feelings to Iris, though to his surprise, she didn't feel the same way. After a report of Snart and the Santini crime family casino, Barry rushed over and held Lisa hostage. Snart told Barry to let her go as he told Barry he has Cisco hostage. After the two left, Barry returned to the labs as a CSI where he was punched by Eddie for trying to win Iris over earlier. The following day, Cisco showed up at S.T.A.R. Labs and quit, feeling guilt for revealing Barry's identity. Barry told Cisco that he shouldn't feel sorry but Cisco still felt the guilt. Barry and Caitlin later realize the casino wasn't the target but a way to trigger a money transfer. Barry chased after Leonard, Lisa, and Mick and captured Leonard. Barry told Leonard he could lock him up for good but Leonard told him then there would be no way of stopping his broadcast of him revealing Barry's identity. Barry told Leonard that if he was good as he claimed he is, he shouldn't need to kill. Barry then told Leonard if he hurt anyone close to him, he would go after him, no matter who Leonard told his secret to. At Jitters, Eddie apologized to Barry for hitting him and learned that Caitlin told Iris and Eddie about his "lightning psychosis". Barry later went to ask Wells about Stagg but before he could ask, he saw a report of Mason Bridge missing. He later called Joe and admitted that he was right about Wells.

Discovering Wells' true identity
Barry and Joe discuss over Wells and while Barry believed he could be the Reverse-Flash, Joe told Barry that the blood at the house didn't match his. Barry then rushed over to a terrorist attack by Axel Walker, who claimed himself as the Trickster. They learn that Axel is a copycat of James Jesse, who had killed 10 civilians and 2 cops prior and now facing life sentences at Iron Heights. Barry and Joe head over to Iron Heights where James Jesse told them Axel likely found his lair. On their way out, Barry stopped by his father's cell and told him he has gotten closer than he had before in investigating his mother's murder. Iris later called the Flash to ask for help for the investigation on Mason Bridge's disappearance. Axel then made an address that he had planted a bomb somewhere in Central City. When Barry couldn't find the bomb, Wells told him it was a trick but Barry refused to listen. As Barry kept looking, Wells theory was indeed correct as Axel broke James Jesse out and took Henry Allen hostage. Upset his father is held hostage and possibly killed, Joe was comforted by Barry and while the latter no longer trusted Wells, Joe told Barry it didn't matter why Wells was helping and the only thing that mattered was that he did. After they tracked down the Tricksters, Barry ran over but Axel planted a kinetic bomb so if Barry didn't run over 600 mph, the bomb would go off. Barry was told by Wells to phase through a wall but Barry refused to listen. Wells told Barry to feel the power and electricity and that he was now part of a speed force. Barry ran through a truck, getting the kinetic bomb off and returned to City Hall to give everyone an antidote. Barry then went to rescue his father before knives could drop on him. Barry then confirmed his father's prediction that he is indeed the Flash. At S.T.A.R. Labs, Henry thanked Wells for taking care of Barry, though Barry didn't seem to happy. The two share a hug before Henry was brought back to Iron Heights. At the precinct, Barry revealed his identity to Eddie and told Eddie to get Iris to stop looking in on Mason Bridge. Barry then described Wells' speech and deduced that he is indeed the Reverse-Flash.

Barry, Eddie, and Joe quickly took down a group of robbers and apprehended them. The following day, they went to Hudson University where Lindsay Kang was stung to death. Barry brought a sample back to S.T.A.R. Labs and they were soon joined by Felicity and Ray Palmer, though Barry told Felicity it wasn't the best time for a visit. At Jitters, Barry and Felicity were interrupted by Eddie and the three ended up making dinner plans between Eddie, Felicity, Barry, Ray, and Iris. Soon after, Bill Carlisle was attacked at Folston Tech but Barry was too late by the time he got there. He was then attacked by Brie Larvan's bee's and went unconscious. With a defibrillator Cisco built in, the team regained Barry's consciousness. Later that night at the dinner, Barry informed Felicity who Wells really is after Ray discussed how Wells was his personal hero. After things at dinner went downhill with Eddie and Iris, Barry was called back to S.T.A.R. Labs where they learned the bee's were all robotic. At Jitters, Felicity told Barry to inform Caitlin and Cisco about Wells, though Barry told Felicity it could backfire. Barry later told Iris to trust Eddie and that Eddie only wants to keep her in the light. The team later learned Brie went to her next target, Tina McGee and Barry went to Brie's hideout while Ray went to save Tina. Brie sent bee's to attack Barry but Felicity hacked into the software and shut the bee's down and restrained Brie. Barry rushed over to Cisco after he was stung by a bee and vibrated his hand to use as a defibrillator.

After Tina thanked Barry for the help, Barry asked what happened between her and Wells and learned one day Wells became a completely different person. Barry later called Caitlin and Cisco over and told them about why he and Joe had learned about Wells. When Caitlin was hesitant to believe them, Cisco told them he has had dreams of Wells murdering him.

Barry ran over to Coast City and returned to Central City with pizza. At Joe's house, they inform the rest of the team that Joe and Cisco are headed to Starling City to investigate Wells. Later, Eddie called Barry when there was a report of a male who was trying to sell jewelry which was stolen the night before. Barry rushed over but learned the man was a shape-shifting meta-human. When the team feared the meta-human could copy Barry's powers, they told him to keep his hands off him. When Caitlin went to Wells' mansion, Barry rushed over and took her away and told her not to tell Wells anything. Eddie and Barry went to contact Mrs. Bates though soon realize it was actually Hannibal Bates. After Hannibal framed Eddie, Barry ran Eddie out of the precinct and told him S.T.A.R. Labs could keep him off the grid until they cleared his name but Eddie told him to do it the right way and Barry returned him to the precinct. Barry later got a visit from Eddie and was told Captain Singh called in a favor. As Barry turned his back, Eddie, who actually was Hannibal, hit Barry and hid him. Barry was later found by Caitlin and they return to S.T.A.R. Labs. Caitlin presented Barry with a serum which could disable his shape-shifting abilities. They then got a ping from Barry's phone at the airport and Barry ran over. Barry quickly spotted Hannibal and the two quickly fought before Hannibal was shot with the serum. Barry later gave DA Cecille a full list of everyone Hannibal had impersonated. Later, Joe and Cisco presented with their discovery in Starling City, the corpse of the real Harrison Wells. Upon seeing this Barry realized that Tina's words about Wells being a different person were true as the "Wells" they knew was an impostor. While Cisco was looking through the schematics of S.T.A.R. Labs, they spotted a hidden room. As they entered the room, they saw the Reverse-Flash suit as well as an article from 2024 reporting the disappearance of the Flash.

They realized that "Wells" was from the future. Barry, Caitlin and Cisco were then greeted by Gideon who told Barry of his future. Barry, hoping to get some information out of it asked why Wells came to this timeline. Gideon revealed the grim, cold-hard truth; he came here to kill Barry. When they learn Wells was on his way, Barry quickly asked why he killed Nora Allen that night, where Gideon revealed that he did so out of anger after Barry escaped from him. When Wells was heading to the Time Vault, they quickly left. The team then help Cisco see his "dream" properly by constructing glasses that allowed lucid dreaming. At the precinct, Eddie asked Barry to ask Joe why he did not give his blessing for his proposal to Iris. Later, while Cisco was in his lucid dream, the team learned Wells' true identity, Eobard Thawne, who called them shortly after Cisco woke up. Eobard told him of a fire that just broke out and Barry rushed over. When Barry was unsure what to do, Eobard guided him to use his arms like a vacuum by rotating them fast enough. Later, Eobard told Barry that the only thing stopping him from achieving his goals, 9s himself. Barry later told Joe that they need to recreate the events that happened in Cisco's dream. At S.T.A.R. Labs, Cisco had rigged the force field so instead of keeping a speedster in, it kept them out, which Barry had tested. Later, when Eobard returned from his lecture, Eobard managed to enter the force-field. As he prepared to kill Cisco, Joe fired three bullets at him, though Barry stopped most of them. The final one Barry was unable to reach and Eobard was shot and killed. Barry was upset that Eobard would never be able to confess however, it turned out to be Hannibal Bates. They were then reminded by Eobard that he was always one step ahead. Barry told Eobard he could kill him if he'd just let his father out but Eobard told Barry he needed Barry alive. Cisco got a ping from Eobard's time vault and Barry ran over. Barry learned Eobard had camera's everywhere and had access to CCTV footage. Barry warned the team before running over to save Eddie and Iris. Eobard captured Eddie as Barry arrived. Barry told Iris everything was going to be ok and swore that he would bring Eddie home. As he ran off, Barry sent a static shock, much like he had when he was in a coma as Iris realized who the Flash really is.

Barry looked everywhere for Eddie but to no success. When Captain Singh asked where Eddie was, Barry and Joe told Eddie was taking personal time off. When the gold reserve was being attacked by Grodd, who had controlled Eiling, Barry ran over but was quickly stopped as Grodd "whammied" both Eiling and Barry. Back at S.T.A.R. Labs, the team was greeted by Iris, much to the team's shock. Barry explained to Iris that there had been many times he wanted to tell Iris his secret but learned that Joe was right. Barry and the CCPD later set a trap and capture Eiling. They locked him in the meta-human prison and learn he was controlled by Grodd. With the help of Iris, they learn of sewer workers going missing and Barry, Joe, and Cisco headed down to look for Grodd. Barry was whammied and knocked unconscious and Joe was kidnapped by Grodd. Later, Barry had Cisco build a tech so Grodd couldn't get into his head again. When Iris told Barry that he had been lying to her on the things that mattered most, Barry told Iris she had been lying about her feelings for him also. Barry cut himself off when he realized he couldn't have told Iris about the other timeline. Barry went 5.3 miles away from Grodd and ran toward him in an attempt for a super-sonic punch, though he had failed as Grodd cut his distance down. Grodd threw Barry on a train track and as Barry's tech broke, Grodd had gotten into Barry's mind once again. As a train went toward Barry, Iris told Barry that he could defeat Grodd and save Joe. Inspired by Iris' words, Barry got out of the tracks on time and as the train passed, challenged Grodd. As Grodd jumped toward him, Barry got out of the way and another train passed and hit Grodd. Barry saved Joe and freed Eiling from the meta-human prison. Barry later told Iris that it's the thought of her that always kept him going. Iris then told Barry that she did have feelings for Barry but Eddie is her boyfriend and missing. Barry then told Iris that he would do the best he could to bring him back.

After continuously searching, Barry told Iris he has yet to still find Eddie but promised he was trying his best. Barry was then called by Cisco who had learned Eobard had been using his wheelchair to absorb Barry's speed. When they learned the particle accelerator was turned on, they realize the reason they couldn't find Eddie and Eobard was because Eobard was holding Eddie hostage at S.T.A.R. Labs. When they opened the particle accelerator, Eobard escaped and Barry chased after him, though Eobard had gotten away. Later Barry apologized to Eddie for not finding him sooner. Barry said they needed to get the meta-humans out as even though they are dangerous, they don't deserve to die. Barry suggested they transfer them to the super-max on Lian Yu. Desperate, Barry looked to Leonard Snart to help transfer the meta-humans, under one condition, Barry erase all criminal records of him, though Joe was very disappointed Barry looked to such lengths. They had the meta-humans placed in a truck owned by Cisco's family and used the device from Eobard's wheelchair to disable the meta-humans powers temporarily. Once they reached the hangar, the meta-humans had escaped and began attacking Barry, Cisco, Caitlin, and Joe. They then learned it was Leonard who had sabotaged the truck and let the meta-humans escape. Leonard told Barry he had done so as they all now owe him and could be useful as a part of his Rogues Gallery. When Barry asked why he had spared him, Leonard told him he now owes him as well.

At S.T.A.R. Labs, Barry felt guilt having his plan failed and wondered how Oliver could do whatever it took to get what he needed. The particle accelerator then was fully charged and online. Eobard approached S.T.A.R. Labs and Barry ran out to face him. Eobard told Barry he couldn't stop him if he had tried as Eobard was always faster. Barry was then joined by Firestorm and Oliver. Barry and Eobard faced off as Oliver tried to get a clear shot at Eobard. Barry was thrown towards a S.T.A.R. Labs sign and as Eobard used his hands as a vacuum to blow Firestorm away, Barry ran over to grab Firestorm. Barry ran back and stopped Eobard before he could kill Oliver. Barry and Eobard fought on the roof of S.T.A.R. Labs and Eobard was thrown off S.T.A.R. Labs by Firestorm.Eobard was then shot by Oliver with another nanite arrow, disabling Eobard's speed and making him unconscious. Barry thanked Oliver and Firestorm for their help and looked over Eobard, finally taking down the man who murdered his mother. Barry ran off to Nanda Parbat and freed Oliver's friends. When Felicity asked to help save Starling City, Barry said he had a long overdue conversation with Eobard.

Barry asked why Eobard he murdered his mother, Eobard told him he hates him for something future Barry had done. He reveals that killing Nora was not his original intention, as he really went back 15 years to kill Barry when he was still a child. When Barry got his past self to safety, Thawne was so angry that he took it out on Nora by killing her. Eobard then told both of them could get what they want, Barry return to save his mother which would allow Eobard to return to his time. Barry presented this information to the team who all agreed he should do so. Barry asked Joe why he was so supportive and Joe told him though he had been a great son, he wants Barry growing up with his mother and his real father. Barry told his father he could save his mother but Henry told him it was to dangerous due to the repercussions of time travel. Iris told Barry she knew of a possible future of them being married in the future and joked she was never a fan of hyphenated names. Eobard explained how Barry was going to go back to the night his mother was murdered, he warned Barry that he could die if he didn't reach the right velocity. Later, Barry was informed that as well as dying, Barry could cause a singularity which could destroy earth and continue even after the earth is gone. Barry along with the rest of the team attended Ronnie and Caitlin's wedding before Barry prepared to save his mother. Barry said his goodbye's to his friends and foster family. Barry was then told he had 1:52 seconds otherwise a singularity would form. Eobard told Barry he holds both of their futures and then told him to run. As Barry ran, he saw the past, present, and future before traveling back to the night his mother was murdered. When Barry arrived to the night, Barry looked on as his future self battled Eobard. His future self then signaled him to stay back and Barry looked away as his future self rescued his younger self and Eobard murdered his mother. When Eobard had left, he went and told his mother that he and his father turned out to be ok. His mother looked at him, proud of her son, and Barry tells her goodbye, before she dies in front of him, her last words being "Goodbye, Barry".

Barry returned and broke Eobard's time machine. Eobard asked why he didn't save his mother and have everything he had wanted and Barry told Eobard he already has. Barry and Eobard battled though Eobard quickly has the upper hand. When Eobard told he was going to kill as his friends and family, Eddie shot himself and Eobard fell back. Cisco quickly realized that Eobard was being erased from existence and before Eobard vanished, Eobard told Barry he controlled his life all his life and wondered how he would go on without him. A singularity formed in the particle accelerator and the team rushed out. As they watched the singularity eat Central City, Barry told the team he had to try and stop it, even with little chance of success. Barry ran through Central City and jumped towards the singularity. As he stabilized the singularity, Firestorm flew toward the singularity and Barry watched as the two separate, causing the singularity to close. As Martin Stein plummeted to the ground, Barry caught him. When Caitlin arrived at their location and learned Ronnie didn't make it, Barry hugged Caitlin and looked toward the sky. For the next six months, Barry lived in solitude, blaming Eddie and Ronnie's deaths on himself.

Going solo
Eobard Thawne, as Harrison Wells left S.T.A.R. Labs to Barry in his will, yet six months after the issue with the singularity, Barry had still not dealt with the mail he'd been getting regarding the property.

Flash Day
Barry investigated the crime scene involving the death of Al Rothstein. Barry identified that Rothstein was strangled by someone large, though assured Joe that it wasn't Grodd. That night, Barry cleaned up Jitters from the destruction caused by the singularity. Iris arrived and joked Barry should be a contractor, as she noticed night after night, buildings had been rebuilt. Barry told Iris he wasn't going to his rally, though Iris told him he should just go as the citizens of Central City deserve to see the man who saved the city. Barry then told Iris that he wasn't the man who saved the city. After Iris left, Barry remembered it was Firestorm who closed the singularity, causing the death of Ronnie Raymond. The following day during his rally, Barry decided to show and accept the key to the city, much to the cities joy. As the key was handed over, Atom-Smasher threw a grill toward the mayor, though Barry got the mayor away in time. After Atom-Smasher grew, the Flash picked up and threw two propane tanks for Joe to shoot. After the tanks exploded, Atom-Smasher shrank and his mask unfolded. Barry and Joe noticed that he resembled Al Rothstein and Atom-Smasher fled. Later at the precinct, Greg Turk from Weathersby & Stone LLP gave Eobard's last will on a USB, stating it was meant for only him to view. Barry then had an alert of unauthorized entry in S.T.A.R. Labs, only to learn it was his team in the building. Barry told his team he didn't want them there, though he was told by Joe that he needed his friends. After Atom-Smasher was tracker, Barry ran out with his Flash suit, leaving the communication system behind. After landing a few hits on Atom-Smasher, the latter grew and strangled Barry with ease. After Cisco caused a distraction setting off the alarms, Barry managed to escape and run back to S.T.A.R. Labs, though he passed on soon after. When he woke up, Joe told Barry that he can't blame himself on the death of Eddie and Ronnie and that it was on the entire team. Barry then went to Caitlin to apologize for not saving Ronnie, though Caitlin told Barry it was her fault as at one point, Ronnie asked her to get away from Central City, though she refused. Barry and Caitlin then watched Eobard's last will, where he confessed to murdering Nora.

Barry and Caitlin return to S.T.A.R. Labs and the former told the team he realized that the only way to stop Atom-Smasher was as a team. Barry attracted Atom-Smasher with a Flash signal. Barry had Atom-Smasher chase him to a local plant, where the former trapped the latter in an enclosed room, forcing Atom-Smasher to absorb more radiation than he could. Barry asked Atom-Smasher why he wanted to kill him and Atom-Smasher told Barry a man named Zoom would've brought him home if he killed him. Later, Barry then greeted his father at Iron Heights and brought him to Joe West's home, where Henry was greeted with a surprise party. Barry pulled his father aside to discuss future plans, though his father told him they can't live a life together as he didn't want to get in the way of his son being a hero.

Meeting "Jay Garrick"
At S.T.A.R. Labs, Barry was told of his upgraded suit and the increased security, where they were interrupted by Jay Garrick who warned them on an oncoming danger in the form of the evil Speed Demon named Zoom. Barry was told by Jay that when the singularity formed, it created a breach between both their worlds. Barry was then told by Jay that he was the Flash of his world. Jay told the team that he lost his powers and Barry quickly asked Jay how he lost them. Barry then told the team to do tests on Jay, warning the latter if he could have more enemies if they learn what he said was false.

Barry later discussed with the team that nothing Jay said added up. Martin Stein then presented the team with the multiverse theory, telling them they need to find the breach and close it. Barry was later told by Caitlin that she ran a lie detector test while testing Jay and he passed it. Barry still reluctant to believe Jay, told Caitlin to continue running tests. Barry locked "Jay" in the meta-human prison and was told by the latter that he only wants to help, not harm. Barry was then told by Cisco about a fire and Barry ran off to extinguish it. Soon after he extinguished the fire, he was attacked by Eddie Slick. Barry went to tackle Eddie but Slick got away with his powers. The following day, Barry returned the scene as part of his job. Barry deduced that the fire was from an arsonist and was then greeted by Patty Spivot, who claimed to be a big fan of his due to his forensic reports. Patty told Barry she'd been trying to crack Joe's "no-code" and asked for any advice as she knew Barry grew up with Joe as his father. Barry told that it was unfortunate as he'd been trying to pick that since he was 11. Later, Barry told Patty he would try to put in a good word for her.

Joe told Barry that the Eddie Slick they have in custody is proven innocent. Joe asked if it was possible if the Slick that started the fire was from Earth Two. Despite evidence piecing together, Barry told the team he still refused to trust Jay. When Cisco said Jay was right about Zoom, Barry reminded Cisco that they don't even know anything about Zoom. After Barry told the team they need to be extra careful, Iris pulled him aside. Iris told Barry she knew he's only being extra-cautious was because of Eobard Thawne. Iris reminded Barry that not everyone is the same and he only was able to beat him because he trusted in others. After Eddie Slick took Patty Spivot hostage, Barry looked to Jay for help. Jay told the only way he could stop Slick was by hurling lightning at him, as lightning and sand creates glass. For an hour, Barry ran in circles and hurled lightning at a dummy, with Jay continuously telling him to go slower so he could direct the lightning accurately. Cisco and Martin Stein then reported the two on Slick's whereabouts. Barry then told Jay that they could distract Slick, with Jay, as Slick is unaware Jay lost his powers. The team return Jay Garrick's helmet and the two Flash's join hands before leaving to rescue Patty. While Jay distracted Slick, Barry saved Patty from a concussion bomb. When Slick grabbed "Jay" by the throat, Barry ran in circles around Slick and successfully hurled lightning toward Slick, turning him into glass and shattering. Later, Barry apologized to Jay for not trusting him because of a former mentor. Later, Martin Stein told the team that the most significant breach was in S.T.A.R. Labs but shortly after, Martin collapsed.

Snart family issues
While doing forensic work at the Central City Police Department, Barry was called by Iris, who was at Baldwin Tower investigating a real-estate scam. Barry told Iris to jump out the window as Barry ran over to catch her. As Barry got Iris to safety, Barry ran back to the tower and subdued the two men. At S.T.A.R. Labs, Barry and the team investigated the wormhole in the basement. Barry was told that they've tried sending objects in but they've all jumped back. Barry told the team Zoom may have been able to cross worlds due to him being a speedster and Barry may attempt to cross the breach. Unfortunately, Barry bounced back like the objects. The team deduced there's a hallway between the portals which continuously moves, therefore they need to create a "Speed cannon". Martin then told the team that they should all rest for the day. The following day at the grand-reopening of CC Jitters, Barry was shocked when he learned a beverage was named after him. Barry ran into Patty and they briefly conversed. Lisa Snart then bumped into the team, asking Cisco for the Flash's help as her brother was kidnapped. At S.T.A.R. Labs, the Flash asked Lisa why they should trust her due to them previously double-crossing them. When Cisco tracked Snart, the Flash told Lisa that they would see if she was lying and ran off. When Barry arrived, he found Snart, though he seemed fine. When Barry told Snart that his sister thinks he's kidnapped, Snart froze him. Barry was then introduced to Snart's father, as the two left. Cisco then used the thermal-threading he used on Barry's new suit to melt the ice. Barry returned to S.T.A.R. Labs and told Lisa that Leonard wasn't kidnapped and was doing work with their father. When the team asked why they should trust her for a final time, Lisa showed them a scar that was given to her by her father. Barry approached Leonard at a bar and asked why he was working with a man he despised. Barry was told things were complicated but Barry asked what was wrong so he could help. Barry told Snart that he may have a code of honor now but his father doesn't, leaving no choice but to stop the two. Snart reminded Barry that he could still reveal his secret and left Barry to pay for his bill. Later, Barry was told by Joe that lied about his wife as she never died. Barry assured Joe that it was for the best as Iris may have gone down the wrong path with Francine West, giving Leonard Snart as an example. Barry then told Joe that he should still tell Iris the truth. The following day, Barry, Joe, and Patty investigate a body that was decapitated. Patty asked if it could've been by a meta-human but Barry told her it wasn't. Barry then quickly discovered that Leonard is only working for his father as Lewis had planted thermite in Lisa. Barry contacted the team, who discover Lisa was indeed injected with thermite. When Barry and Caitlin search for the thermite with a magnet, Cisco told them to stop as the magnet cut set off the thermite. While Cisco told the team he would search for a way to extract the thermite, Barry told the team he should volunteer to replace Lewis Snart's new tech guy. Barry met with Leonard and told him of his plan. When their father arrived, Barry introduced himself as "Sam" and volunteered to join the team. To prove himself, Barry told Lewis that he helped his son steal the Khandaq Dynasty Diamond the previous year. Barry, Lewis, and Leonard arrive for a heist. When their ID's were failing, Barry told the security guards they should let them go before the managers start making complaints about the clogged toilets. When they arrived at the twenty-seventh floor, they find two security guards and Barry ran to subdue them as Leonard and Lewis argued. After Barry hacked into the security lock, Lewis fired a bullet at Barry, though Barry caught the bullet and faked being shot. Before Lewis and Leonard could get away, Barry intervened. Lewis told Leonard to fire his cold gun at him or Lisa dies. Barry told Lewis that the bomb was extracted by Lisa and Barry was then shocked when Leonard killed his father. As Leonard looked over his father, Barry took Leonard's cold gun, leaving him to be arrested. Barry payed a visit to Leonard at Iron Heights, telling him that he has good inside of him. As Barry left Iron Heights, he was told by Joe that the latter took his advice on told Iris of Francine. At Jitters, Barry ran into Patty yet again and was given her number. At S.T.A.R. Labs, the team learn Jay Garrick had completed the "speed cannon". Before he left, the team managed to convince him to stay until they defeat Zoom.

Finding a new Firestorm partner for Stein
Barry and the S.T.A.R. Labs team aided Martin Stein who had yet another reaction. After Cisco used the stabilizer Eobard used on his wheelchair, Barry was told the stabilizer would be transferred over to a power cane. Barry was then told by Caitlin that the latter found potential candidates that could be compatible with Stein. Barry then ran over to the two, quickly snatching blood samples from them for Caitlin to further examine if they are indeed compatible with Stein. Barry was later told by Patty Spivot of a "man-shark" sighting. When Patty asked if they could work on the case together, Barry told her he isn’t into meta-humans, though told her he would run tests on the shark tooth. Barry was then called back to S.T.A.R. Labs, where the debated with Caitlin who was more compatible for Stein. Barry pointed out Jefferson Jackson had the physical attributes and his alleles matched more than Henry Hewitt. Caitlin told Barry that Hewitt is a scientist and someone who was trying to make something for his life. Barry and Stein went to Jackson, telling him they're an agency collecting data on everyone affected by the particle accelerator. They were told that he doesn't like talking about the night as his life fell apart because of it. Barry gave him their number and asked him to think on it. When Barry and Stein returned to S.T.A.R. Labs, they found Hewitt. When Stein and Hewitt made an attempt to merge, they were unsuccessful. Jax later accepted his offer and arrived at S.T.A.R. Labs, where Barry revealed they couldn’t fix his knee. The team tell Jackson he could be a hero, though when they told him he’d need to merge with Stein, Jackson left. After Caitlin scolded Jackson for turning down being a hero, Barry told Caitlin that a decision like that can’t be made lightly. Later, Barry told Patty the "shark tooth" had human DNA. Barry was later told by Joe that he was aware of his feelings for Patty. Barry told Joe that she's great but not Iris. After Henry Hewitt went on a rampage, the team found his police record. After Jax accepted his destiny as Firestorm, Barry, Stein and Jax left to face off Henry Hewitt. They managed to evade his attacks until he became unstable and blew his fuse. Barry and Firestorm then brought Hewitt to the pipeline. The following day, the team said their goodbyes to Stein and Jax as the two left for Pittsburgh. Later that night, Barry ran off and watched Patty from a distance. When he was caught off guard, the man-shark grabbed him and told him Zoom wanted him dead. As Patty walked out, she shot the man-shark several times and the man-shark dropped Barry. The man-shark was suddenly shot by a hooded man. Barry chased after the man, who unveiled his hood and Barry was shocked seeing the face of Harrison Wells.

Meeting Earth Two Wells
Barry brought Harrison Wells of Earth Two to S.T.A.R. Labs. Barry asked if he had any evidence if he was from Earth Two and Wells presented the team with Caitlin's bag which Martin Stein threw into the portal. Cisco asked if he could be trusted and Barry told him that Wells saved his life. Barry proceeded to ask why and Wells told him it was to help him stop Zoom. Joe arrived and fired multiple bullets at Wells, though Barry caught them all. Barry pulled Joe aside, telling him that was Wells from Earth Two and not Eobard Thawne. Joe asked how Barry could even look at him and Barry told Joe that he had to resist the urge to kill him. Later, Barry took Cisco to Jitters, though the latter expected alcohol rather than coffee. The two were interrupted by Patty, who told the two she was right about King Shark. Barry was asked if he could help Patty with a police report but told her he was busy. After Patty left, Cisco asked why Barry hadn't asked her out yet. Barry asked Cisco when was the last time Cisco asked a girl for their number. Cisco made an attempt to ask Kendra Saunders out but was shut down. Cisco then had a vision of Dr. Light robbing Central City Bank and immediately reported to Barry. Barry asked how Cisco knew but Cisco told him to just hurry. When Barry arrived, Dr. Light used a blast of energy to escape. Barry managed to get a few civilians to safety, though Dr. Light escaped. Back at S.T.A.R. Labs, Wells told Barry that she was a small time thief on Earth Two. He suggested they capture her and use her as bait against Zoom. Jay barged in and told him that Wells is insane. He told Barry that though Dr. Light is a thief, she isn't a killer and can be reasoned with. At the CCPD precinct, Barry asked Patty on a date, which she agreed on. Later, the team tracked down Dr. Light. When Barry went to confront her, he told her they could protect her from Zoom. Dr. Light told him that no one could protect her from Zoom, she flashed a light at Barry. Barry told her for just a normal conversation and Dr. Light agreed. Dr. Light unmasked herself and Barry hesitated seeing Linda Park. After saying her name, a confused Dr. Light blinded Barry and fled. Fearing Dr. light may go after her Earth One doppelgänger, Barry told them they should look after her. After crashing into Caitlin and multiple objects, Jay and Caitlin told Barry to stay behind as they volunteered to look after Linda. Later, Barry went on with his date with Patty, wearing sunglasses with built in cameras for Cisco to guide him. Though he went on with the date smoothly, Patty eventually told Barry she knew he was blind. Barry told Patty that he had his pupils dilated prior and didn't want to cancel. After the date, the two kiss and Barry regained his sight, complimenting Patty's dress. The two were then called to report to Central City Picture News after Eric Larkin was killed by Dr. Light. At S.T.A.R. Labs, Jay apologized to Barry as he never thought Dr. Light would ever kill. After Wells argued with Jay, the two fought, though Barry stopped the two. After Barry told Wells he had retrieved Dr. Light's mask, Wells revealed to the team Cisco is indeed a meta-human, using his Next gen watch to prove so. Barry asked why Cisco never told them and Cisco told the team he was going to eventually. After failed attempts at using his powers to locate Dr. Light, Wells forced it on Cisco. Cisco told Barry Dr. Light was trying to leave town at the South Plaza Train Station. Barry left and confronted Dr. Light once more. After evacuating the train station, he asked how he is supposed to stop Dr. Light. Wells told him to confused Dr. Light by creating speed mirages. Barry told Wells he isn't able to but was told if he was able to travel through time, he should have no problem creating the after images. Barry went on and created speed mirages but Dr. Light sent a blast of light around her, knocking Barry away. Barry told him he couldn't do it but Jay told him he could. Barry went on to create the after images once more and knocked Dr. Light out. After locking Dr. Light up in the pipeline, Barry told them they should listen to Wells and use Linda as bait. A frustrated Jay told them once more they can't trust Wells as he has as many secrets as the one they knew. At Jitters, after Caitlin suggested Cisco should have a nickname, Barry suggested the name "Vibe".

First battle against Zoom
Barry asked Dr. Light for help to stop Zoom, though Light urged him not to, though she eventually agreed. Barry told the team of the trap while Harrison Wells told them he developed a serum that could dampen Zoom's speed. Barry and Joe were then called to the CCPD precinct. At the CCPD, Barry was told by Patty that Joe shut her down on a case and asked if it was because of their kiss, though Barry told her he never told him. After Dr. Light escaped, Barry rushed over to S.T.A.R. Labs but was too late. In fear of Dr. Light going after Earth One Linda again, Barry had Iris take Linda into her home. Barry and Joe then had an argument that they shouldn't go after Zoom just yet. Barry reminded Joe that he always said it's good to play offense rather than defense at times but Joe told him that was for football tryouts. At Iris' house, Barry suggested they use Linda to lure Zoom, though realizing what he was saying was wrong, Iris told him it was a good idea. At S.T.A.R. Labs, Barry greeted Linda. The S.T.A.R. Labs team took Linda on a practice run. After a few attempts, Linda eventually succeeded. When he went to hi-five Linda, the latter accidentally fired a blast of light to the former, though he managed to evade it. Later, Joe told Barry that Linda wasn't ready but Barry told him otherwise. Later that night, the Flash went to visit Linda. When Linda said she wasn't ready, the Flash told her she's one of the strongest woman he knew. When she asked what he based that on, he revealed his identity. The following day, Barry was asked by Patty if he could go out for dinner but Barry told her he had something else to take care of that night. At night, Barry and Linda faked a battle where the latter came victorious, though Zoom never showed. Later when Zoom eventually arrived and kidnapped Linda, Barry ran over. Zoom told him that he isn't the only one who fished with bait and proceeded to drop Linda off the roof of S.T.A.R. Labs. Barry ran down and slowed her fall down and caught her. Barry then ran around S.T.A.R. Labs in circles and hurled lightning at Zoom, though the latter caught the lightning and hurled it back at him. Barry then made an attempt a free fall fight for equal velocity though Zoom still came on top. Zoom proceeded to beat Barry and broke his spine. When Wells tried shooting Zoom with the speed dampening serum, Zoom caught it and used it against Barry. Zoom then dragged Barry to Central City Picture News and the CCPD, announcing their hero had been defeated. Barry was dragged back to S.T.A.R. Labs where Zoom shoved his claw like hands into Barry's abdomen, rendering Barry unconscious. When Barry woke up, he was told Linda left for Coast City. Barry then told the team he couldn't feel his legs.

Grodd returns
Barry began walking around with a cane. At one point, he made an attempt to walk without it but to no success. Barry asked how much longer until he should be recovered and Caitlin told him he was almost completely healed. When Wells told the team he was returning to his earth, Caitlin tried to stop him but Barry told her to let him be. When Cisco had a reminder of his date, Barry teased him. Barry then had a call from Patty, who offered to make him chicken soup for his "sickness". Barry went to test his speed on the treadmill. When he tried to push himself, he had flashbacks of being defeated by Zoom and soon collapsed. When Joe asked what was up, Barry told Joe that he couldn't get over being destroyed by Zoom. Barry then told Joe he felt as if the city no longer see's him as the man strong enough to protect them. Later, Joe alerted Barry and Cisco that Grodd had returned. The three chased after Caitlin but were too late. Barry felt guilty he couldn't do anything about it but Joe told him there was nothing he could do to help Caitlin. Later, when Barry ran on the treadmill again, he was greeted by his father, who was called by Iris. Barry caught up with his father and was told that it's good to slow down to get back where he wanted to be. They were then interrupted by Cisco, who had found where Grodd was hiding. When Cisco told Barry he had a plan, Wells revealed himself in Eobard's suit and Barry tackled him. Cisco quickly rushed over and reminded Barry that was a different person and Barry quickly apologized. Barry introduced Wells to his father and told him he would explain "Earth Two" to him later. While Cisco and Wells went looking for Caitlin, Barry was told by Henry he saw what happened against Zoom. He told him that though the city may not believe in him, he would get through it as he had himself when he was framed for Nora's murder. Barry was told that he needed to accept it and believe in himself to get through anything. Barry was also told that him believing his innocence when he was just a kid gave him all the hope he needed. When Wells and Caitlin returned to S.T.A.R. Labs, Wells suggested that they should send Grodd through a breach which would bring him the closest to home he could be. The team had Caitlin lure Grodd and as soon as Grodd caught her attention, Barry got her out of the way. Barry told Grodd that if he wanted Caitlin, he would have to catch him first and Barry ran toward the area of the breach. When Grodd caught up, Barry once again had flashbacks of being defeated by Zoom and was knocked down by Grodd. Barry was pinned down by Grodd with a single foot and was asked where Caitlin was. Caitlin revealed herself and told him they now understand what he wanted. Grodd released his foot off Barry and the team turned the speed canon on, opening the breach and Barry took Caitlin to safety. When Grodd resisted to go through, Barry ran around the city and "super sonic" punched him into the breach. At S.T.A.R. Labs, Barry asked if Cisco could reverse engineer the Eobard's Reverse-Flash ring so he wouldn't need to carry a bag around, in which Wells said he could help. At Joe's house, Barry, Joe, and Iris showed Henry photos of Barry growing up with them. When Joe told Barry Patty wasn't buying his "sick" story, Henry asked if Patty was his girlfriend. Barry told him that he would tell him about her on the way to the bus station. At the CCPD, Barry explained he was keeping secrets was because his father was in town and was afraid that Patty wouldn't have a good image of him, despite his conviction being overturned. Barry was told by Patty that she isn't that kind of person and told her he should've given her more credit but Patty told him he should've given himself more credit. Barry and Patty then share a kiss.

Vandal Savage
Determined to defeat Zoom, Barry continued to hone his speed. However he, quickly realized that he was not getting any faster, which Wells confirmed by pointing out that there were a number of reasons Zoom was more faster and stronger than Barry. Barry however concluded that they would just need to figure it out fast. He then went off to meet Patty. The next day Barry told Joe and Patty that a recent murder at the docks was committed by one man with the only evidence found being traces of a crystal that broke off the killers knives. Later at Jitters Cisco and Kendra were attacked by the same man. Barry quickly came to their aid and saved Cisco when the man threw a knife at him, which Barry stopped. This resulted in a grateful Cisco accidentally revealing Barry's identity to Kendra, much to Barry irritation. Later at S.T.A.R. Labs, Barry and the team determined that the man who attacked them was the same one who killed the others at the docks, with Barry noticing that the daggers were centuries old, and that the man kept referring to Kendra as a "priestess Chay-Ara", and seemed to know her despite Kendra claiming she grew up in Wisconsin and had never left the states. Knowing that the police could not protect Kendra, Barry decided to got to Oliver and his team for help in Star City. Barry proceeded to rescue Oliver, Thea, and Diggle from Damien Darhk and his soldiers from H.I.V.E. At the new Foundry, Kendra was introduced to the rest of the Arrow team. When Thea suggested a description of the mysterious man, Barry used his abilities to draw a sketch of the man. Felicity proceeded to use face recognition software to find a match. When she did she discovered that the only known photo taken of the man was from 1975 meaning that the man should at least be in his 80's. Oliver proceeded to question Kendra more. When his questioning started to get harsh Barry stepped in, only for Oliver to point out that by asking them to help protect Kendra, and by bringing her to Star City, Barry put all of them in possible danger. Felicity proceeded to calm him down and suggested they all go back to their home to relax and catch up.

At Oliver's loft, Barry and Felicity proceeded to catch up and tell each other about what changes had happened recently in their lives. Barry then proceeded to go to Oliver and apologize only for Oliver himself to apologize and tells him that he was glad Barry came to them for help as it showed real maturity, something Oliver claimed he lacked. Soon after Oliver made a toast about how great it was to see everyone again. Later Barry went to Cisco to reassure him that they would keep Kendra safe. Cisco proceeded to tell him that when he kissed Kendra he got a "vibe" of seeing her with wings like a bird with a suit to match. When Barry asked him why he didn't share this information sooner, Cisco told him it was because he thought it was unrelated until now and asked Barry not to tell her about his powers. Not wanting to risk damaging their relationship, Barry agreed to not say anything. Suddenly the man broke through the window of the loft. Barry quickly fetched Oliver's bow and arrows but the attacker began throwing knives at everyone, forcing Oliver to engage him while Barry protected everyone. Eventually Oliver managed to shoot two arrows into the man's shoulders but Thea impulsively shot the man in the chest and he fell off the balcony. To their surprise, however, the man was nowhere to be found. Back at the Foundry the group tried to find out more about the mysterious man, until Barry suggested they use Cisco's powers. Cisco proceeded to tell Kendra about his abilities and the vision he got of her. Suddenly Malcolm Merlyn and the League of Assassins appeared and revealed the man's name was Vandal Savage; an immortal who has lived over centuries. Malcolm told them they could not protect Kendra, but Barry told Malcolm he was wrong and they could. Later when Hawkman abducted Kendra, Green Arrow and Flash searched for her and found Hawkman, and the two engaged him. He proved capable of fighting them both. After working together they managed to subdue Hawkman and brought him back to the foundry where they questioned him, but he was only interested in Kendra who he also addressed as Chay-Ara. Upon being asked the man identified himself as Carter Hall but revealed that he was really the Egyptian Prince Khufu, and he and Chay-Ara were lovers who have reincarnated over the centuries after their deaths to find each other in each life. Carter also revealed that Savage has, for centuries, hunted down both Kendra and himself and has killed them 206 times, as their life-force is tethered to his, and every time he kills them, he becomes stronger with his immortality and healing reinforced. Barry was confident they could kill Vandal but Malcolm arrived again to inform them Savage has left and is now searching for the Staff of Horus, which will make him near impossible to defeat. Carter suggested that he be allowed to show Kendra how to activate her powers and memories.

Going to the top of a building Carter suggested Kendra jump off to unlock her potential. When she began to hesitate Carter pushed her only for Barry to save her. When he suggested she try again, Barry and Cisco refused. Oliver then pulled Barry aside and asked why he was acting the way he was, with Barry admitting that he felt the rules of how they stop evil keeps changing and how even with powers he still feels powerless. Oliver told Barry however that he had already done enough and after making a joke about Kendra giving him a "lift" back to Central City, they realized that's where the staff was located after remembering Kendra felt drawn to Central City, and came to the conclusion that both her and Carter are attracted to the items that destroy them, or are from their past. Felicity located the staff at a church in Central City. Oliver and Barry raced towards Central City to try and stop Savage, only for him to beat them to it. Oliver and Barry proceeded to try and take the staff away from Savage only for him to overpower them with the staffs power. Savage proceeded to blow the church up using the staff with Barry racing both him and Oliver to safety. Doubting Savage blew himself up the two considered the current situation a tie.

As Malcolm Merlyn arranged a meeting to negotiate with Savage along with Green Arrow and the Flash, while running to the meeting, Barry saw a transparent version of himself come out of a wormhole before dissipating, hinting he would travel back in time soon. Savage demanded Kendra and Carter, or Central and Star City would be annihilated. As Cisco developed gloves to take the Staff of Horus from Savage to kill him, Barry and Oliver go and free Kendra and Carter before Savage kills them. Kendra's powers don't work, leading to her and Carter's death, making Savage near impossible to hurt. Barry uses the Staff against him to little effect along with Oliver. Oliver tells Barry to run, as he's fast enough, before Savage takes the Staff and wipes out Central City with a magical blast, but not before Barry runs through a wormhole to allow him to re-live the last day. With encouragement from Oliver, Barry helps fix what went wrong before, allowing him and Green Arrow to vaporize Savage into ash with the Staff, destroying the weapon itself, and ending Savage for a time.

Reverse-Flash returns
While trying to find a way to defeat Zoom, a meta-human named Russel Glosson appears. Barry tries to stop him from stealing Vandervoort diamonds at the CCPD but Glosson gets away. Believing where he would appear next, Barry and the team go the the Central City Museum to stop him. He invites Patty to come with him and when Glosson shows up Barry tries to stop him but he drops a chandelier on top of Patty which causes to push her and get hit instead. He later visits her at her apartment who was upset at him believing he left her and after a small argument Barry leaves. He later discovers Glosson kidnaps Patty and goes after them. After an initial struggle Flash finally defeats him and saves Patty. While Flash was on patrol Cisco informed him of a runaway chemical truck but the Flash was unable to stop it as someone rigged it, and was set to collide with a building and destroy an entire city block. Fortunately the Flash found a spanner and literally unbolted all the tires, causing the truck to stop. However, the Flash was soon informed by Cisco that Turtle was dead and sped back to S.T.A.R. Labs, unaware he was being watched. At S.T.A.R. Labs Caitlin examined Turtle and deduced the cause of death was severe brain trauma and Jay noted it occurred the same night he was captured. Jay was quick to blame Harry but he denied any involvement as Barry went back to the precinct to follow up on the runaway truck case. While there however he was very shut off with Patty in regards to her leaving which she couldn't understand, but Barry simply stated that everyone he loves leaves eventually. Later Flash responded to a break in at Mercury Labs but was horrified to see the trespasser was a still alive the Reverse-Flash, though the Reverse-Flash was surprised to hear Barry call him by his real name and didn't seem to be aware of his death. Instead the Reverse-Flash simply told the Flash that he knew what time period he was from and that soon he would die, and the Reverse-Flash knocked him out and abducted Tina McGee. At S.T.A.R. Labs Harry surmised that Eobard is still alive because this is a younger version who hasn't yet traveled back in time to kill Nora, and travelling through the Speed Force protected him from timeline changes thus protecting him from Eddie's death thus leaving a timeline remnant of the Eobard who would eventually go back in time and kill Nora. While the team worked on finding Eobard, Barry talked to Caitlin about Tina's abduction but she revealed that Jay was dying of an illness caused by Zoom taking his speed, but believed the way to cure him was to replace his dying cells with healthy ones but there was only one way to achieve this; his Earth One doppelganger.

At the police station Patty asked Barry to look over the evidence from the truck incident which he agreed to but was distant with her, which Patty didn’t understand why he was doing so but he simply said that everyone he loves leaves him eventually. Much later Patty, after looking over old case files and after learning of Barry and Joe's connection to S.T.A.R. Labs, learned Barry was the Flash and confronted him about it. Barry played dumb but Patty desperately told him he didn't need to lie to her anymore, understanding why he didn't tell her, but begs him to be honest now and she'll stay. However, Barry, not wanting another person for Zoom to target or stand in the way of her own future, refused to admit he was the Flash causing Patty to walk away in tears.

Later when Cisco was harnessing his powers to find Zoom he saw a vision of Eobard murdering Tina and taking off back to the future, but Harry was unable to find any trace of a tachyon device being used. However, when Cisco said he saw a clock with the time 9:52pm Harry revealed it was currently 6:00pm, revealing that he can see the future and the team began searching for Tina. With a mere few minutes left almost 3 hours later Cisco finally found Eobard and Flash spend in after him, stopping him from killing Tina and destroying the tachyon machine. However, the Reverse-Flash simply said he'd find another way back to his time and challenged him to a race and both the Flash and the Reverse-Flash sped around the city, but the Reverse-Flash was faster. However, the Flash this time managed to intercept his paths and dragged him into a warehouse where he proceeded to brutally beat the Reverse-Flash out of vengeance, ignoring Joe's protests not to but eventually listened and locked him in the pipeline.

At S.T.A.R. Labs Barry decided to talk to him to get some answers but Harry immediately protested as Eobard would learn more about him and the more he would alter the timeline, but Barry argued that Eobard killed his mother but Harry reminded him that this Eobard hasn't done that yet and doesn’t know he’s the Flash and he needs to keep it that way. Joe argued however that Harry already stated that Nora was going to die no matter what but Harry elaborated that Nora's death isn't set in stone, but altering her death will cause changes which no one can predict. Against Harry's advice Barry confronted Eobard anyway, remaining in the shadows so Eobard didn't see his face, and asked Eobard why he despised him so much. Eobard explained that once he was obsessed with the Flash so much he wanted to be the Flash and spent years learning how he came to be, and replicated the reaction that gave Barry his powers. Unfortunately after travelling through time he learned that he was never going to be the Flash but was destined to be his greatest enemy. Following this he grew bitter with resentment towards the Flash, believing himself to be superior he dedicated his life towards killing his opposite as the "Reverse-Flash". However, Barry was disgusted to learn that Eobard murdered his mother, accidentally informing Eobard that he murders his mother in his future, because he couldn't be him but Eobard angrily claimed to have become better than him, that he is the one thing Barry will never stop.

However, their argument was interrupted when Caitlin informed him that Cisco had begun seizing uncontrollably, and despite getting him stable Cisco physically began to fade out of existence. As everyone was stunned and clueless Harry realized that Eobard’s capture ruptured the timeline and Cisco is being affected by the effects, and the only way to save him is to send Eobard back to the future. Barry however protested to sending away his archenemy enemy but Joe supported Harry and begged Barry to agree. Barry reluctantly listened but reminded them he destroyed the tachyon device but Harry told them that he and Eobard running around the inner ring of the accelerator in unison, will provide enough the speedsters with enough momentum to break the time barrier and allow Eobard to go home. In the pipeline Eobard was released as Harry talked to Flash, reminding him that this was Eobard’s origins story and there is nothing that can be done to stop it but now he can send him home and move on. However, the Flash argued that no matter how far he sends him he'll always be a part of his life. As the Flash and Reverse-Flash stood side-by-side at the entrance into the pipeline the Reverse-Flash vowed they'd meet again, and the Flash agreed but promised that every time he'll be ready for him and both sped off. After gaining enough momentum the two opened a portal into the future and the Flash hurled the Reverse-Flash into the portal and returned the Reverse-Flash to the future, and Cisco's life was saved. Shortly afterward Patty called Barry telling him there is a man with a gun on the train she's taking out of town but as the Flash arrived he found no one, except Patty claiming it to be a false alarm. Knowing she knew his secret and was leaving Barry finally stopped speaking with his altered voice and bid Patty farewell as she left for Midway City.

Going to Earth Two
Using Harry’s breach closing device Flash sped through Central City and used them to close the other 50 remaining breaches except the primary one in S.T.A.R. Labs. Afterward Barry, Cisco and Harry prepared for their journey to Earth Two giving their goodbyes to Joe, Iris, Caitlin and Jay and when ready, Jay activated the Speed Cannon and Barry sped himself with Cisco and Harry into it and ventured through the Multiverse. Within he saw numerous other Earths throughout the Multiverse itself and various individuals and objects through existence itself including an Connor Hawke/Green Arrow, parallel Barry Allen/The Flash, Kara Danvers/Supergirl, Grodd, Jonah Hex and a Legion ring. After arriving on Earth Two Barry and Cisco were in awe of how technologically advanced Earth Two is, but they were caught off guard when they ran into the Earth Two version of Henry Hewitt. Unlike Hewitt's Earth One counterpart this Henry was much more polite, much to Barry and Cisco's surprise. While in Wells' office Vibe attempted to use his goggles to find Zoom but the goggles wouldn't activate and Harry realized they were malfunctioning because the frequency is imbalanced, as Earth Two vibrates at a different frequency. However amidst their shock Barry saw his Earth Two doppelganger on TV being interviewed concerning an attack orchestrated by Zoom, trying assure everyone that "Detective West" has every cop searching for Zoom and promises to stop them. Knowing that he is still a CSI on Earth Two and Joe is still a cop also Earth One Barry speeds after Earth Two Barry and brings him to S.T.A.R. Labs who, understandably, is shocked to see Earth One Barry but becomes distracted when he sees Harry and admits how much of a fan he is. This also shocks Earth One Barry to see how much more geeky he is on Earth Two but Harry distracted Earth Two Barry while Earth One Barry uses a taser on him to knock him out. Switching his clothes with Earth Two Barry, Earth One Barry goes to the C.C.P.D. of Earth Two posing as Earth Two Barry.

At the precinct Barry saw that Captain Singh's doppelganger was a criminal and that Floyd Lawton/Deadshot's doppelganger was a police officer. This version was also nicknamed "Deadshot" but not for his perfect aim but rather for his poor aim though he claimed he had gotten better. More surprisingly Barry discovers that Iris's doppelganger is a police detective and realizes she is Detective West, but Barry is caught off guard when Iris sneaks him into the hallway and starts kissing him revealing she and Barry Two are married. With little choice Barry goes "home" with Iris to the Earth Two version of Joe's house where Iris tells him his mother left a message, much to Barry's shock. Barry calls Earth Two Nora and talks to him about the plane tickets to Atlantis "he" gave them and afterward Barry barely held back tears, as he and Iris went to Jitterbugs (the Earth Two CC Jitters). There Barry was shocked to see Earth Two Joe is a singer but after his performance when Barry talked to him, he coldly reminded him his name was Joseph not "Joe" and addresses him as "Bartholomew". Barry then quickly realizes that Barry Two's relationship with Joe is not what it is on Earth One. When Barry talks to Joseph further he coldly blames him for putting Iris' life on the line to further his own career, stating that Iris had to become a cop so they'd have enough money for his P.H.D., but Iris defended herself saying that writing for C.C.P.N. was boring and she loves being a cop. As they watched Joseph perform they were interrupted by the arrival of two metahuman criminals looking for Barry, but Barry was horrified to see they were the Earth Two versions of Caitlin and Ronnie. When Iris attempted to arrest them Caitlin tried to murder her but Barry tried to reason with Caitlin but she simply stated that she hated the name "Caitlin", that she is "Killer Frost" and attacks them. When Ronnie fires a fireball at Iris, Joseph pushes her out of the way and takes the hit. While Joseph and Iris are distracted Barry speeds Caitlin and Ronnie outside trying to reason with them but Caitlin attacks with her powers of cryogenesis and cryokinesis, then Ronnie flies after Barry as he speeds through the city. However, Barry finds a statue of Jay and uses the helmet of it to redirect a fireball onto Caitlin distracting Ronnie long enough to escape.

At S.T.A.R. Labs Harry reveals he's familiar with the two, "Killer Frost" and "Deathstorm", but scolds Barry for getting involved into the lives of Earth Two Iris and Earth Two Joe insisting they don't exist as far as they're concerned and that Jesse will be dead soon when Killer Frost and Deathstorm inform Zoom of his presence. However, Barry angrily insists Jesse has time and Iris and Joseph need him, insisting they are his family no matter the universe. Barry accompanies Earth Two Iris to the hospital as comforts her when Joseph passes away from his injuries and Barry and Cisco, using a weapon build to disable Killer Frost's power, choose to aid Iris as she and Lawton attempt to bring Caitlin and Ronnie in. The Flash hides in secret as Cisco, Iris and Lawton lure Caitlin and Ronnie about but is shocked to see Cisco's counterpart Cisco Ramon/Reverb who is one of Zoom's henchmen. As Cisco Two tried to tempt Cisco One into joining him Flash intervened and engaged Killer Frost, Reverb and Deathstorm all at once but was soon overpowered and knocked unconscious. The Flash was continually attacked by Reverb and Deathstorm until Zoom appeared and murdered them both for disobeying orders and kidnapped the Flash. Awakening in a cell opposite Jesse, Barry tried to assure her he'd get them out but Zoom appeared and scolded him for making promises he can't keep but promises Barry that his cell is the last place he'll ever see.

Barry kept looking for a way out of his cell with no luck and tried to keep Jesse hopeful that Harry will find them, after she expresses doubts and believes he only cares for himself, but Zoom returns to remind them Jesse only lives so he can kill her in front of Harry. Barry then notices a man in an iron mask in another cell tapping against the window but whereas Jesse believes he's insane, Barry suspects he may be trying to tell them something. After agreeing to work together Barry and Jesse discover the "iron mask" is using a 5-by-5 tap code and begin to decode the message. The message turns out to be "J-A-Y" as in "Jay Garrick" but when Barry tells him he's alive "iron mask" repeatedly smacks his head against the wall of his cell in frustration for reasons unclear. When iron mask attempts to tell them more Zoom returns and angrily reminds him not to speak again, then phases into Barry's cell and proceeds to brutally beat him in a fit of rage. Barry then realizes the answer is to phase through the wall but is unable to find the frequency necessary to do so.

Later Barry and Jesse are found by Harry, Cisco, Iris, Earth Two Caitlin and Earth Two Barry but whereas Caitlin is able to free Jesse, she is unable to freeze open Barry's cell which Harry confirms is because it's made of a form of carbine. Barry tells everyone to leave but his doppelgänger refuses and confronts him about all they’ve been through to get to him, all the things he's done, impossible things, because he had to prove to himself and Iris that he could, reminding Earth One Barry that he is the Flash. Motivated by Earth Two Barry's words Earth One Barry finally manages to phase through his cell only for Zoom to appear after Killer Frost tells them of their plan. Barry One pleads with Zoom to let everyone else go as Zoom only needs himself and Harry, and while Zoom acknowledges this, he makes no exceptions for everyone else and grabs Jesse. Before he can kill her Caitlin blasts him with her ice beams and everyone escapes except for Barry who refuses to leave without iron mask, but Harry insists there isn't enough time. Before leaving Barry promises to get iron mask which he accepts and Barry flees. At S.T.A.R. Labs Barry One urges Barry Two and Iris Two to find shelter and reminds Barry two that though he isn't a superhero like he is, he's still a hero. When Zoom approaches Flash manages to get Cisco and Jesse to Earth One but when he returns to Earth Two Zoom is waiting with Harry hostage who insists he close the breach. However, Harry has a dart and Flash distracts Zoom long enough for Harry to stab Zoom and the Flash speeds Harry back to Earth One and Jay closes the last breach. However, as the team is happy to see the last breach closing Zoom reappears and stabs Jay right through the chest, and drags him back to Earth Two leaving the team to believe him dead. After the horrific tragedy, Caitlin starts to deny Jay's death, not wanting another lover to pass away. Cisco then brings her upstairs. Barry then demands Wells to open up the breach again, only for Harry to tell him that he can't, as the device they used was strong enough to close and prevent any breach from opening, ever, telling them that they can't do anything now, as they are now safe. When Barry went upstairs, he talked to Cisco about how Caitlin was doing, and what this incident is going to do to her. Wells chimes in, telling them that it will be all right and not to tell anyone about their experience from Earth Two. They reluctantly agree.

Return of King Shark
After the incident, Barry went to his life as usual. Although secretly he wanted to tell about his adventures, feeling frustrated about his circumstances, wanting a distraction for him to ignore all of it. He started to act strange around his foster family, not wanting to play games with them. One day, a week later from their trip to Earth Two, two guests arrived, known to Team Flash, John Diggle and his wife. They notified the team of King Shark, believed to be dead. John notified them that he was in A.R.G.U.S. prison until recently where he escaped, intent on going after Barry. They also revealed that A.R.G.U.S. was keeping track of meta-humans, weaponizing them. John told Barry that they were going to take care of him but Barry obliged. Though Diggle insisted that A.R.G.U.S. recapture King Shark, Barry refused, as he was the last of Zoom's henchmen and was going to take care of him himself. They then worked together to try to stop King Shark. During the search, Joe called Barry, asking him to come over to help Wally with his engineering project. Though not wanting to go, due to the situation at hand, Barry accepts, much to Joe's surprise and delight. Barry then searches for King Shark, with the help of A.R.G.U.S, but in the end, they couldn't find the shark meta. Barry ran to John, telling him the results and asked him about Felicity, knowing that she was in the hospital after Dahrk's attack on Christmas, Diggle says she was okay, as she is a tough woman. John then remarked that he was like Oliver, "holding the world on his shoulders". However, it was during this conversation when King Shark attacked A.R.G.U.S. then ran off.

Sometime later, Samantha Clayton reported to the CCPD that her son is missing. 2 days later, Barry, who realized that this is Oliver's son (due to their conversation 2 months prior) told Samantha that she should talk with Oliver about this.

Revelations of Zoom
Following the confrontation with new speedster Trajectory, her reaction to Velocity 9 helped Barry and his allies realize that Jay Garrick was actually Zoom. Seeking a means of increasing his speed, Barry traveled back in time to the previous year to talk with Eobard Thawne/Harrison Wells, reasoning that his old mentor/enemy would know the secret of increasing speed if anyone did. Although his plan to simply pose as his past-self failed due to the intervention of a Time Wraith, Barry was able to trick Eobard into providing him with the information he needed by claiming that Eobard would return home in his time and he had left information about Eobard's real identity where his past-self would find it unless he was allowed to return to his own time. With Eobard's information, he and his S.T.A.R. Labs friends helped him build a new tachyon device. While testing this out, he accidentally opened a wormhole to another Earth and met Kara Danvers/Supergirl. She helped him get home after he helped her fight two of her enemies Livewire and Silver Banshee, but when he returned only a second had passed and nobody knew it. After the team discovered new revelations about Zoom's real history as Hunter Zolomon, Barry attempted to lure Zoom into a trap, but this backfired when Zoom escaped and captured Wally, forcing Barry to surrender his speed.

Powerless
Now deprived of his powers but with Central City still endangered by metahumans, Barry attempted to continue to act as a hero when Doctor Wells was abducted by Griffin Grey, but his subsequent beating made it clear that this plan was never going to work. Despite the team attempting to compromise by using a holographic recreation of the Flash to fight crime, after Zoom returned to attack Central City, Barry decided to go along with a risky plan of recreating the particle accelerator explosion on a smaller scale in the hope that it would restore his speed. Although this effort seemingly vaporized Barry, he was actually sent into the Speed Force itself, where his encounters with aspects of the Speed Force masquerading as Joe, his mother and himself helped him accept his mother's death and his identity as the Flash before he returned home, his powers restored and even increased.

Laurel's death
In April 2016, Barry traveled to Star City to attend the funeral of Laurel Lance, but was held up due to the encounter with Zoom, causing him to miss the funeral but arrived afterward to talk to Oliver at the grave-site. Upon asking Oliver if there was anything he could do for him, Oliver told him that he wished to be left alone, which Barry acknowledged and then sped off.

Return
With his powers back, Barry faces off against platoons of Earth Two meta-humans that Zoom unleashed upon Central City, with one of them being the doppelganger of a recently deceased friend, Laurel Lance. Barry takes it upon himself to fight her after she attacks Mercury Labs. Team Flash had manages to build a machine that will render all Earth Two beings unconscious. The device works and Earth Two Laurel is locked up. However Hunter kidnaps Henry and tells Barry that his inability to be selfish made him weak, and kills Henry in front of him. Henry's funeral is held shortly after that, with Barry wanting to take revenge on Zoom. However doing so made him emotionally uncontrollable, so he is locked up for some time. Wally later releases him, and Barry finds out that the team tried to take down Zoom on their own, with Joe taken. They realize they have no choice, so Barry (with the help of Cisco's vibes) arranges the race with Zoom. Zoom reveals he plans on destroying the Multiverse, leaving only Earth One behind, with a pulsar he built. Barry races against him, summoning Time Remnants to help him. Zoom is finally defeated and is taken away by Time Wraiths. Sometime after that, Team Flash returned to Earth Two and rescued the man in the iron mask, and his identity as it turns out was the actual Jay Garrick and Henry's Earth Three doppelgänger. They open up the Speed Cannon and send Harrison, Jesse, and Jay back to their worlds. That night, Barry and Iris declare their love for each other and kissed. Barry, too distraught after his father's death sped back to the past to the night his mother was killed to save her, shortly after his older self sped off with his 11 year old self he ran into the house and grabbed Eobard seconds before he stabbed Nora after which he knocked him out, thus drastically changing the timeline and causing his younger self to fade from existence to which he assured Nora that she was safe.

Flashpoint
After defeating Eobard, Barry took him to back to 2016 and used a abandoned building to lock up his nemesis in a specially designed cell to keep him from harming people. Barry sees that the timeline has changed, most noticeably being that his parents are alive and well. While his past self has lived happily with them all these years, this also left Iris never having grown close to or even really knowing Barry and Joe as an alcoholic with a strained relationship with Iris, and a new speedster vigilante as the Flash. After three months of bliss with his new life, and periodically bringing food to Eobard in secret, Barry finally works up the nerve to ask Iris on a date, which she agrees to. Soon after, the new Flash begins struggling against an evil speedster called the Rival. After narrowly saving the other Flash, Barry learns that his replacement is in fact Wally. Barry also starts to lose his memories of the first timeline, which Eobard theorizes is from Barry's reckless use of his powers in a timeline where he never actually obtained them.

Eventually, Barry reveals his true identity to Wally and Iris, the latter who is aiding Wally as the Flash. They go for help from Cisco, who is now an obnoxious and self-absorbed billionaire businessman. After convincing him to help them track down the Rival, Barry and Wally team up to battle the Rival. Though Barry defeats the Rival, Wally is mortally wounded. Realizing that the new timeline is worsening his friends, Barry releases Eobard to let him kill his mother. When he gets back to the reset timeline Barry discovers that the timeline wasn't reset right due to him learning that Iris and Joe haven't spoken to each other in months.

Post-Flashpoint
Barry eventually went to Felicity to explain some of the changes to the timeline; Joe and Iris haven't spoken due to Joe not telling her about her mother, Cisco is depressed due to Dante dying in a drunk driver accident, a new cynical co-worker, Julian, and to their horror, Sara being replaced with John Diggle Jr. Once finished, Felicity advises that Barry finds a way to make things right. While attempting to clear the air with Team Flash, he also learns that the distance between him and Cisco was also due to him not turning back time to save Dante. Suddenly, an alert went off, and Barry discovers that Edward Clariss was able to become the Rival again, and speaks with him for a bit before facing him in a close fight which ended when Barry managed to ram into him, casing him to flying across city blocks into the bay and out of sight. Iris later confronts Barry over what she learn from watching Barry and Edward talk, and demands the truth or their relationship won't have a chance. Barry apologizes, saying he's been trying to fix things, but now believes that there is only one way to do so, before racing off to try and time travel again before being stopped by Jay Garrick, who then speaks to him about how he can't just keep trying to use time travel to fix every mistake.

He then explains to the team how he created it then attempted to put things back the way they were, but with a few variations so far. While he finally tracked down the Rival, he was attacked and injured by a hooded figure calling himself "Alchemy", who explain some of his intentions before being attached by Clariss again and overwhelm the Flash, being to injured to fight back properly. He was about to be impaled when Cisco came to the rescue, and helped defeat the Rival, somewhat forgiving him in the process. He later learns that Iris and Joe have reconciled and he and Iris start dating.

Return of the Wells family
Later during a date with Iris, a breach was open in S.T.A.R. Labs, Wells came back with an unexpected surprise; a super-fast Jesse. Barry and the group goes to the speed lab to test Jesse. when Barry learns that Wally stepped into the street to try to get his speed. He screams at him for his careless idea. Later he and Wells talk about the mistakes that they made. Soon, he and Jesse team up to defeat Magenta. Later, he and Joe watch a security video of Clariss get killed by an invisible meta-human in Iron Heights.

Barry continues to train Jesse and teams up with her to battle Mirror Master and Top. He later greets H.R. Wells as he arrives on Earth One and says goodbye to Jesse and Harry Wells. Barry continues to try to create a more friendly relationship with Julian Albert, however, in return Julian only gives Barry the cold shoulder. However, he does manage to get put a the case of the "Monster" attacking Central City. During his investigation and subsequent battles as the Flash, he realizes that the "Monster" is nothing more than a hologram and then prevents Julian, who believed he was dealing with an adult criminal, from killing the young teenage boy who was responsible. Following this Julian begins to lighten up and goes out for a drink with Barry.

Savitar arrives
Unfortunately, life became more complicated when Alchemy returned to the spotlight and began calling out to Wally, forcing Barry to reveal Wally's Flashpoint life to the team, and to make matters worse, a mysterious meta human begins a killing spree using his unique vibration ability which allows his to appear as a shadow like creature. This also allows Barry to be fully returned to meta human investigation duties in the police department. Barry eventually confronts Shade after he attacked the park, but realized that the meta dubbed Shade was merely a pawn in Alchemy's game. Finally, Team Flash agrees to set a trap for Alchemy using Wally and Barry, Joe, and a team of SWAT officers attack Alchemy and his followers. Barry succeeds and the group temporarily defeats Alchemy however an unknown enemy launches an attacks, killing a swat officer and revealing to Barry that the enemy was indeed a speedster, but upon attempting to catch him he is thrown to the ground. In the midst of the confusion Wally is telepathically persuaded into touching Alchemy's Stone, which encases him in a cocoon of some kind. However, before Barry can do anything else the speedster slams him to into the wall. Barry questions the metallic looking enemy, "Who are you?!" The towering villain answers introducing himself as "Savitar, the god of speed".

Savitar quickly takes Barry from Joe and Wally and two battle each other outside of S.T.A.R Labs where Barry is nearly defeated by Savitar but Caitlin manages to save him with her ice powers but Savitar flees. When Caitlin's alter ego Killer Frost takes control of her, she goes on a rampage and kidnaps Julian. Barry and Cisco manage to capture here. The team is fractured when Caitlin reveals Flashpoint was the reason that Dante was killed. Iris explains that these events would of happened regardless of Flashpoint. The team gets Wally out of the cocoon and they discover that he has super speed. Barry manages to get Caitlin back to her old self. The team discovers that Wally is faster than Barry. Julian agrees to keep Caitlin out of trouble if Barry quits the CCPD, which Barry reluctantly agrees.

War against the Dominators
Team Flash received an alert on their satellite that a meteor was heading straight for downtown Central City. Barry went to investigate, but realized that it was not a meteor, but rather an alien spaceship which he later found out belonged to the Dominators. Barry got Oliver and Team Arrow's help along with the Legends, and Supergirl. They used an old S.T.A.R Labs hall as a base and battled the Dominators as they tried to kill all of the meta-humans on Earth as they thought they were a threat to their kind. Once Barry told everybody about Flashpoint after Cisco unfortunately found the message future Barry sent to Rip Hunter that Jax and Stein found on the Waverider, everyone besides Oliver, Kara, Felicity, Jax, and Stein didn't trust Barry as a result of Cisco's dumb actions. Once the president was captured by the Dominators the team selfishly and without having sympathy for Barry decided to go without him. Oliver thought this was a crazy idea and wouldn't go without Barry. The team decided to go without the two of them and Supergirl led them on a rescue mission to get the president. When they arrived at an old salt mine that the Dominators were using as a base the president was killed by a Dominator and everyone there was put under mind control. They went back to S.T.A.R. Labs and tried to kill Oliver and Barry. Oliver fought off all of the melee fighters as Barry fought off all of the super powered fighters. The two were surrounded by all of the mind controlled heroes and were saved by Wally as he used his super speed to take out all of the fighters. Barry later got Kara to chase him to the salt mine where he faced so she flew right through him and destroyed the mind control machine that whammied all of the heroes. After the event the team decided to forgive him for what he has done. Once they returned to S.T.A.R. Labs Sara, Ray, Thea, Diggle, and Oliver all got sucked up to the Dominators ship where they were all put into a shared hallucination where Oliver never got on the Queen's Gambit. While they were stuck in the Dominators ship Barry and Kara helped Wild Dog, Mister Terrific, and Ragman find a way to hack the Dominators tech. Barry and Kara double teamed Laura Washington, a scientist who stole a key piece they needed in order to hack the alien tech, and knocked her out getting the piece. Barry also saved Wild Dog from Washington. Once Oliver and company returned he along with Barry, Ray, and Sara met with Agent Smith, who revealed that the Dominators knew about Flashpoint and told him that Barry was The Flash. He also told them that the Dominators would leave Earth in peace if Barry turned himself over to them. Barry decided he would give himself up to the Dominators in order to save every met human's life along with millions of human lives. The team didn't allow him to do so and instead they all fought the Dominators. Barry and Kara raced around the world planting the device Lilly and Martin made that would put the Dominators in excrutiating pain on every Dominators on Earth. When Felicity activated the devices the Dominators were in extreme pain and once Firestorm transmutated the meta-bomb into water the Dominators retreated leaving Earth. After the heroes beat the Dominators Barry and Oliver went out for a drink talking about who would win in a fight and how the lives they live are far from normal.

Seeing a horrific future
With Savitar becoming a threat, Barry goes to Earth Three and recruits Jay Garrick's assistance in fighting the "god". In the process they recover the stone that Alchemy used, and uncover his true identity to be Julian Albert. To get the information they wanted out of Julian, The Flash reveals his identity to be Barry, as Julian did not trust someone in a mask. The team then hook Julian up to a mind machine where they force out Savitar's voice, which he says that one will betray them, and one will die. To make sure the stone does not go misused, Barry throws it deep into the Speed Force. After throwing the Philosopher's Stone into the Speed Force, which would presumably trap Savitar for good, the wormhole Barry created then exploded, enveloping him and sending him five months into the future. He sees his future self pleading to Savitar to spare Iris West. Savitar instead says "You lose, Barry". and plunges his gauntlet through Iris's chest, instantly killing her. Before Barry can fully comprehend the situation and ask his future self why Savitar's back, Jay Garrick pulls him back to the present. Returning to the present, Jay tells him that he must not think that the future he saw is the only future. He assures that the future is not set in stone. That night, the West-household party was in session, and Barry pulls Iris aside to present her gift, a new house, which Barry explains that they need a place of their own now.

Changing the future
After his visit to the future, Barry is plagued by nightmares of Iris' death and as a result soon becomes obsessed with finding a way to change it.

During early 2017 Barry continues to train Wally with these missions including putting out a fire and later a battle against the criminal Jared Morillo. This triggers a memory of his trip to the future which involved seeing a news story involving his apprehension of Morillo, also known as Plunder. Terrified of what catching Plunder may bring about Barry holds back, but Wally arrives on the scene and makes the arrest himself. However, the encounter makes Barry realize that he can't keep this secret from Iris any longer, and tells her the truth. With persuasion from Iris Barry also lets Team Flash (with the exception of Joe) in on the future vision. Barry and Cisco then vibe to the future and learn numerous future key events from the news show, and witness HR now present during the event (meaning the the future is changeable). Wally then informs the group that Plunder has escaped custody and the duo pursue him. The chase eventually ends with Wally apprehending the criminal and taking another step towards altering their future. Barry and Iris came home later on that day, to set up a party on the new hope they had, as well as to welcome Julian into the team. H.R Wells had also gave Barry and Iris a pet turtle named McSnurtle.

A few days later, Barry gets a text message from Oliver, who was talking to Captain Singh on the phone and had to give him a proof that he is Green Arrow. To help Oliver, Barry (as the Flash) ran to Singh's office and put a note on his computer screen that says "HE'S LEGIT".

The next few weeks would be Barry and the team training Wally, while trying to learn how to change the future and save Iris and Caitlin from their fates. While doing so they run into Gypsy from Earth Nineteen who tries to take back H.R. but is defeated and Clive Yorkin who is trying to kill Joe but is captured. Eventually, Barry steps up the training, believing Wally to be the key to saving Iris, as tests of Barry's current rate of acceleration since gaining his powers show that he cannot become fast enough by May to save Iris from Savitar where Wally may have a chance.

Gorilla City
Eventually, Jesse returns to alert the team that Harry was taken by Grodd to Gorilla City. Determined to save Harry and possibly further change the future headlines, Barry, Cisco, Caitlin and Julian travel there to rescue him, only to be captured. In a cell, they are confronted by Grodd who speaks through Harry and tells Barry that he needs him to kill Solovar in order to become the new leader of Gorilla City and prevent an attack on Central City. Barry accepts and after a few struggles, he wins but refuses to kill him and is sent back to the cells. However, Grodd would not honor his deal to free them as he reveals that he only wanted to use them to take over the city and lead an attack on Earth One. Luckily, after much thought, Barry manage to devise a method of tricking Grodd to release through an advanced method of playing dead through Caitlin's and his own powers, to escape back to Earth One with Harry in tow. Just when they though managed to stop Grodd's plan, they later learn from capturing a surprised Gypsy after her own equally surprising attack, that Grodd managed to capture and use her to bring his army to Earth One. Though Barry considered killing Grodd to end his threat once and for all, Iris and Harry convinced him that killing Grodd is not worth losing his humanity over. When Cisco managed to convince Gypsy to aid them, Flash, Kid Flash and Jessie Quick went to hold Grodd and his army long enough for the vibers to retrieve Solovar and have him defeat Grodd, making him leader of Gorilla City once again, even sparing Grodd and leaving him in Earth One's custody. At the loft, Barry proposes to Iris.

Savitar returns
The threat from Savitar wasn't over just yet that day both Wally and Barry were running to practice Wally's speed but then savitar came and attacked Wally. Wally fought back but in the end it was just another illusion of Savitar and Barry calmed him down Wally finally told Barry the truth. He told Barry that for the past week he had seen Savitar and that this was the first time it got physical. Barry was selfishly angry at Wally for keeping this a secret and told Wally that it wasn't physical but that Savitar was messing with his head. Believing that Savitar was using Wally like he did with Julian to spy on the rest of team flash he selfishly kicked wally out of the team not trusting him anymore. Desperate for answers he wanted to talk to Savitar through Julian like before much to his displeasure. Cisco later told him that he found a way to communicate with Savitar without the philosophers stone and so they went to interrogate Savitar. When the communication was set Savitar began gloating about himself only to be stopped by Barry telling him that they are the same. He also tried to threaten Savitar by telling him that were ever he's imprisoned he won't know what freedom is like again. However Savitar was not phase at all and merely told Barry that every step he and his team make only make his freedom more assured also hinting that not all of the philosophers stone was thrown into the speed force. Savitar then brought up Barry's parents and all the pain he suffered but told him he wouldn't survive what was coming angered Barry disconnected Savitar from Julian. Pressured by the fact that he may have to save Iris from Savitar Wally asked that Cisco show him what he showed Barry and Cisco used his powers to shown Wally Iris death. Wally soon realized the truth on why Barry really married Iris and he confirmed it saying that he married Iris in hopes that it could change the future he saw but also told Iris that he did it cause he truly loves her as well. After that Caitlin reveals that she had a piece of the philosophers stone in hopes that she could use it to get rid of her powers. Barry was angry at her and put the piece into the box wanting to put an end to Savitar he wanted to use Julian to talk to him so Cisco could track him down which displeased Julian once again. After having a brief exchange with Savitar Cisco began tracking him only to tell Barry that the device told him that Savitar was everywhere Cisco was going to use his powers to narrow it down while he was called by Irish to go back to the loft. When they meet Iris believed that Barry wanted to marry her because he truly loved her not just to protect her and now believes that their marriage is tainted and she doesn't want somebody to want to marry her eternally only to protect her. Once Iris said that word eternally Barry realized where Savitar was imprisoned. Cisco try to find Savitar and only saw white lighting Barry showed up and told him it wasn't lighting but speed force energy. It was then that they all realized that Savitar was imprisoned in the speed force by the future Barry Allen and by throwing the philosophers stone into the speed force they unintentionally gave him everything he needed to escape except the small piece that broke off. Jesse came running and told them Wally was acting weird they then realized that Wally took the small piece of the stone and planned to throw it into the speed force to stop Savitar not knowing that doing so would allow Savitar to escape. By the time Barry found Wally it was too late Barry could only watch as white tendrils of lighting took Wally into the speed force while Savitar escaped. Savitar soon told Barry his entire escape plan that Wally has taken his place in the speed force and saving him is now impossible. Barry enraged battled Saviar and although Savitar was still dominant the fight was more even. He told Savitar that he was going to kill him only for Savitar to tell him that if he had the strength to end his life he would have done it in the future. He also told barry that he had everything and deserved none of it he also promised Barry that he was going to destroy the city like he did in the future and when that happens Barry would treat him like a god. Barry had him in a headlock and told him to show his face but Savitar got out of it quickly and stabbed Barry. He wished to kill Barry but promised to wait long enough so he could see Iris die Barry then vibrated his hand to break from the blade that Savitar was using freeing himself while bringing pain to Savitar who escaped. Barry ran back to the others who quickly saved him he was questioned by Joe to know what happened to Wally and that they had to bring him back. Iris went to comfort Barry over what happened and he realized that she didn't have her wedding ring on. While the others went to learn what they could from the blade they removed from Barry Caitlin apologized about what happened and if she didn't have that piece of the stone then none of this would have happened. Although Barry realized that he himself is to blame as it was his own fears that caused this to happen.

Attack of the Music Meister
The Music Meister hypnotizes Supergirl and goes to Earth One to search "The Fastest Man Alive".

J'onn and Mon-El go to Earth One to speak with Team Flash. They explain Team Flash the situation. Barry and Wally are unable to defeat the Music Meister, who then sends Barry to the dream alongside Kara.

In the dream, nor Barry nor Kara can use their powers, and if they die there, they really die, as the Music Mester told them. They have the mission to pair Tommy Moran (Mon-El) with Millie Foss (Iris West). Millie's parents are Digsy Foss (Joe West) and an unnamed man (Martin Stein) who were a gay couple in contrast to Joe and Martin who have only been engaged with women. Tommy Moran was the son of Cutter Moran.

Discovering Savitar's identity
Barry confronts Abra Kadabra at a building who tells he knows as well as his attempt to save Iris from Savitar. He tries to catch Kadabra but escapes after Gypsy intervenes trying to capture him as well. Barry catches Kadabra at S.T.A.R. Labs is attacked but is given an offer to reveal Savitar's name if he lets him go. Later he escapes and almost gets away until Barry catches him once more. Before being taken away, Barry begs him to tell Savitar's name to save Iris but is shot down. He then realizes that enemies like Thawne, Savitar and Kadabra are always ahead of the team because they're from the future so he decides to go to the future.

Barry travels to 2024 in hopes of finding out who Savitar is but is immediately attacked by Mirror Master and Top when he arrives but manages to escape. Arriving at his abandoned apartment he runs into Cisco who lost his hands and powers after a fight with Killer Frost. Cisco then takes Barry around to the old members of Team Flash with Killer Frost the only one knowing who Savitar was but refused to tell. Seeing how much damage they've been done Barry decides to gather the team members back to S.T.A.R. Labs and fight crime again by stopping Mirror Master and Top with the assistance of Barry's older self and the criminals are soon apprehended. Barry is then given information about a physicist named Tracy Brand before returning to his time. Barry, Cisco and H.R. find Tracy hoping for her help until Killer Frost shows up trying to kill her but she is forced to retreat. Killer Frost then tries to kill Tracy again but is confronted by Barry and Cisco in which the latter fails to knock her down causing Barry to get hit by Killer Frost instead. Team Flash later confronts her again at a warehouse with Barry trying to talk sense into her but she perfectly repeats what he says at the exact same time due to Savitar telling her what would happen. Eventually she was defeated but was taken away by Savitar. At the West-household Barry and the West family talk about love which triggers something in Barry's mind. After a careful reflection of the conversations about Savitar, Barry realizes who he is. Calling Savitar out, he explains to him how he knows his identity through the following hints: that he's already lived it, the past, the present, the future and how he knows exactly how to use Team Flash's love against them - coming to the conclusion that Savitar was him. Honoring the correct deduction, Savitar steps out of his armor, stepping out to reveal a pale, scarred version of Barry.

Savitar goes on to point out that they're almost the same, but not quite. Barry then deduces that he's a time remnant. Savitar explains his birth happened because Barry "played god" in creating Flashpoint, in doing so, created a mysterious closed infinite loop resulting in Barry's creation of a time remnant, who was shunned by Team Flash and as a result of his pain, came to the conclusion the "God feels no pain" and strove to become one, attributing the existence of said loop to cause and effect, pointing out Post-Flashpoint Thawne's existence as an example after Barry threatened to kill himself to prevent Savitar's existence. Barry then tries to kill Savitar resulting in a fight between the speedsters which ended in an explosion. The former then brings the news of Savitar's identity to the team.

Changed future
Barry discovers H.R. was the one killed instead of Iris, but in doing so, Savitar does as well. Barry then calls out to Savitar in hopes of trying to save him believing there was still a part of him left as he reminisced a memory of the past which Savitar also remembers. Barry brings him to S.T.A.R. Labs hoping to help him but Savitar tried to kill everyone by blowing up the building with the Philosopher's Stone. Barry, Wally, Cisco, Gypsy and Jay Garrick who was finally freed confront Savitar and Killer Frost after Savitar's attempt to become a god fails. The speedsters chase after Savitar while Cisco and Gyspy took on Killer Frost. Jay and Wally are knocked down. Barry then arrives in time to see Caitlin regain control of herself and save Cisco from Savitar. Savitar tells Barry that before he is erased he will kill everyone Barry loves. Barry then phased into Savitar's suit and knocks him to the ground but Savitar says that "It's written and if you kill me you become me". Barry destroyed Savitar's armor and knocks him out. He threatened to kill his remnant but held back. His remnant charged toward him as Barry walked away but his remnant is shot by Iris and erased from existence shorty after. The team then had H.R's funeral. As Barry and Iris plan their wedding, a storm broke out. They figure out that someone needs to go into the speed force prison to balance it and so Barry voluntarily goes to as he felt he needs to atone for creating Flashpoint. He passed on the role of protector of Central City to Wally and told Iris to always keep running for him. Everyone watched as Barry entered the Speed Force with a manifestation of his mother and the Speed Force storm stopped.

Return from the Speed Force
Six months after Barry's disappearance, an armored Samurai threatens Central City to bring him the Flash or he would destroy it the next day. Cisco tracks down Caitlin working in a local bar, via his vibing ability, apparently free of her Killer Frost persona. The two both work on a Quark Sphere based off of Barry's DNA to trick the Speed Force into believing that he was still there. The next day they attempt to use the Speed Force bazooka to free Barry, but the system seemingly fails. Later, a portal opens in downtown Central City and Barry races out of it, running at five times his speed to Ivy Town, stopping in front of a car, bare naked, and then fainting. He is picked up by state police and quickly transported back to the CCPD. When Team Flash meet him, they realize that he is in a state of mental disorder, for being in the Speed Force for so long, similar to how Savitar went insane.

As their time begins to run out, and all attempts to bring Barry back to his normal-self fail. With no idea how to return Barry to his senses, Wally uses the Flash suit to fool the Samuroid but the attempt does not work, as it sees through the lie easily. Iris then allows the Samuroid to kidnap her in hopes Barry will arrive to save her. Joe then rushes to S.T.A.R. Labs and makes a final attempt to bring Barry to his senses, and go after and save Iris. The attempt succeeds and the Flash - adorned in the new suit Cisco had made - comes out of the building and runs after Iris (and running faster than he ever has before). The Samuroid flies out with Iris to outskirts of Central City, to where multiple windmills were located, and destroys one to block Barry's path. He isn't tricked, and runs up the collapsing windmill and jumps on the Samuroid. He then phases his hand through its wing and catches Iris, saving her and disabling the Samuroid. After it crashed to the ground, he pulled the mask of the enemy, and discovers that it was just a robot with its final message welcoming him back. Iris then called out his name noting that he came back to her which Barry told her he would always do no matter what and the two shared a passionate kiss. Later back at S.T.A.R. Labs Caitlin examined Barry and noted he was in amazingly perfect health with Barry noting he felt reborn and told everyone he didn’t remember his time in the Speed Force or even how he knew Iris was in trouble and thanked Cisco for bringing him back. Back at their loft Barry let Iris know he was proud of her for keeping everyone together as long as she could and that after coming out of the Speed Force he felt that all his guilt and sins had been washed away and that all he can see now is their future together. After sharing a kiss they both heard sirens and Barry went out to handle the crime promising he be back soon.

Over the next few weeks, Barry and the team encounter new meta-humans created on a bus in Ivy Town including Ramsey Deacon, Becky Sharpe, Ralph Dibny, The Weeper and Mina Chaytan while Barry deals with his problems with Iris due to being in the Speed Force for so long. The team also battles Amunet Black.

Meeting Clifford DeVoe
After finding out that the Samuroid and the meta-humans were created by Clifford DeVoe. He and Joe attempt to interrogate him and it seems that he is innocent. The team at first don't believe him and his investigation of the DeVoe's causes him to be suspended from the CCPD when Clifford and his wife Marlize accuse him of harassing him and puts a restraining order on him.

When Barry confront DeVoe before his lecture, Clifford confirms his suspicions and reveals that he knows that he is the Flash. He also reveals that he is a super intelligent meta-human who got his powers by the particle accelerator four years ago. After which he tells the team this and finally getting them to believe him with Cisco naming DeVoe The Thinker.

Wedding and Crisis on Earth-X
When the time came for Barry's wedding to Iris, the wedding was also attended by Oliver Queen, Felicity Smoak, Sara Lance, Jefferson Jax, Martin Stein, Mick Rory, Kara Danvers, and Kara's sister Alex (invited instead of Kara's expected plus-one Mon-El). Although the initial reception went well, during the actual wedding, the assembled heroes were attacked by a team of Nazi soldiers from Earth-X, the darkest world in the known multiverse, where Germany won the second World War. Putting the wedding on hold, Barry joined Oliver and Kara in confronting the leaders of this other world, who included Oliver and Kara's counterparts and a seemingly-reborn Eobard Thawne at a building where they stole a red prism. They had a brief fight before the Nazis escaped. Tracking the Nazis to a shipping depot, some of the heroes attacked but after some time they were defeated. After waking up, they learn the Nazis were seeking for Kara's heart to be transplanted into her Earth-X counterpart. Although briefly captured and held in a concentration camp, Barry, Oliver, Sara, Martin, Jax and Alex were rescued by the local resistance and captured the portal that would allow them to return home, but Stein was fatally wounded during the escape and died after returning to the Waverider. Rallying the three teams together, Oliver led the battle against Earth-X's forces, with Barry engaging Thawne in battle as other members of the team took on the common Nazi forces. Barry was able to defeat Thawne, but was unable to kill his enemy due to the temporal complexities of his existence, allowing Thawne to flee moments before the Nazis were defeated. As Kara, Alex and the Legends left, Barry impulsively brought John Diggle to a park so that Diggle could marry Barry to Iris, although Felicity interrupts Diggle's proclamation, asking that he also marry her to Oliver. Then both couples finally get married.

Framed and convicted
Around Christmas time, Barry and Iris examine their wedding gifts. Amongst them, barry finds a cutting knife with no name.

While out Christmas shopping, Barry is ambushed and kidnapped by DeVoe. He is held in DeVoe's lair within an inescapable energy prison, which DeVoe claimed was to teach Barry there are no happy endings. Barry tried to get DeVoe to divulge his plan but failed. DeVoe then left to respond to Joe at his house front door. When Marlize came around, Barry realized the DeVoes had a plan for his Speed Force energy and attempted to convince Marlize to turn against her husband, but she instead taunted that he couldn't hope to defeat the fastest mind alive, even if he's still human.

Once he was left alone, Barry figured out how to vibrate his body fast enough that it appeared invisible to the human eye. Once DeVoe returned and impulsively lowered the forcefield, Barry reveals himself and quickly moves faster than DeVoe could reengage the forcefield, taunting his enemy how for all his vast intellect that he's still human. Barry then attempted to apprehend DeVoe, only for the villain to teleport them high above the city, leaving Barry clinging to his chair. DeVoe then tried to attack him with his mechanical claws but Barry phased his body, causing DeVoe to damage his chair and crash in the water while Barry survived thanks to the flotation mode in the suit.

Barry then rejoined his friends and was introduced to Dominic Lanse, a telepathic bus meta. He told the team that DeVoe had a plan for his Speed Force energy and they needed to figure it out.

Later at the Christmas party at Joe's house, after Lanse joins their company, Barry gets an security alert from the loft and goes to turn off the alarm. Upon arriving, he receives a call from Lanse, who is revealed to be DeVoe, who had transferred his mind into Lanse's body after Amunet recaptured him. Barry pleaded DeVoe not to hurt his friends and family, to which the Thinker said he wouldn't. He then learned that DeVoe had left his original body in the loft, stabbed with the very cutting knife Barry had touched earlier. Hearing Singh knocking at the door, Barry's first instinct was to run, but for Iris's sake decided not to become a fugitive and thus allowed himself to be arrested.

Clearing his name
During Barry's appeal hearing, Ralph Dibny impersonates DeVoe and states in his name that he was unconscious when the police found him in Barry's apartment but was not actually dead; ultimately clearing Barry of all charges of murder and he is immediately released from Iron Heights Prison.

Despite the fact that he has been cleared of all charges of murder, Barry did not receive the warm welcome that he was expecting, as all his co-workers gave him a suspicious look; this is because they don't believe that was Clifford, due to the existence of meta-humans. David Singh does believe he is innocent, but has been ordered by Van Buren, the new mayor of Central City to suspend Barry from CCPD indefinitely (it is a polite way of saying that Barry is being fired from his job; albeit David does so reluctantly) until Barry can unambiguously prove his innocence. Barry is initially upset over the loss of his job; luckily, as Iris mentions, this gives him more time as the Flash to stop DeVoe and truly prove his innocence.

Ralph later gives Barry a job as a private investigator, as he knows what it's like to lose a job from CCPD (the difference between the two is that Ralph was fired for a crime he actually committed, while Barry was fired for a crime he didn't commit).

Flashtime
Barry, Vibe, Killer Frost and Jesse Quick head over to an A.R.G.U.S. facility where a woman by the name of Veronica Dale intends to blow up Central City with a nuclear bomb and they defeat her men but fail to stop the detonation. Barry uses his new ability where time is seemingly frozen completely after realizing they're too late. He points out to Jesse, who is moving with him that moving the bomb somewhere else would only speed up the reaction and the idea of traveling back in time is not a choice after all the problems Barry had caused by creating Flashpoint. They agreed they cannot stop and they are not enough to take everyone out of Central City. Barry then has the idea of calling Jay Garrick for help and sends Jesse to Earth Three to get him.

Barry planned to have Cisco send the bomb to another earth and grabs him to carry him in Flashtime, but the slow time means Cisco cannot open breaches. Then Barry goes to ask Harry for an idea, which is throwing the bomb into the Speed Force, which Harry believes to work. After Jesse and Jay came back, Jay was shocked of Barry's trick which Jay never got to do. Barry told Jay Harry's idea, which Jay strongly discouraged on the basis that every speedster could lose his speed and the Speed Force is a part of the multiverse.

After everything failed, Barry got desperate and grabbed Iris to say goodbye and apologize for his failure. He called her his lightning rod, which gave Iris the idea to take the device with Barry's DNA out of the Speed Force. After Iris explained Barry how he was released from the Speed Force, Barry ran fast to open a portal to the Speed Force, grabbed the device, got out from the Speed Force to go to the bomb and throws the device at the explosion. The chasing lightning rays followed the device and negated the explosion. Then Barry fainted and Joe went to see his health. An exhausted Barry then asked Joe if they were dead; Joe said "no", assuring Barry that the lightning had stopped the nuke.

Last bus metas
A vigilante who apparently could strip people from his powers was the next metahuman. He was called Matthew Kim. When Joe and Iris went to talk to him, Matthew held Iris at scalpel-point. When Barry went to stop him, Matthew accidentally switched the power between Barry and Iris. As a result, Iris became The Flash for a while.

At last, Matthew gave Barry back his powers by stripping them from Iris. Matthew agreed to be protected by Team Flash.

Barry and Ralph sometime later managed to find Janet Petty and imprison her in S.T.A.R. Labs, to avoid DeVoe from grabbing her.

Barry, Cisco, Caitlin and Ralph were prepared to capture Edwin Gauss on an emerging portal of a pocket dimension, he fell back to his portal for he was surprised of Team Flash. After they took Gauss in for his protection against DeVoe, DeVoe and his wife then sabotaged S.T.A.R. Labs while Barry, Cisco, and Caitlin went to DeVoe's lair via Gauss' pocket dimension. Iris battled against Marlize while DeVoe headed to the Pipeline to take the powers of the remaining bus-metas. Ralph crossed paths with DeVoe, now in Gauss' body, in the Pipeline and the two battled each other. At last, Ralph managed to gain the upper hand and defeat DeVoe by using the sonic scepter. Ralph later apprehended him with Barry, Cisco, and Caitlin returning from DeVoe's lair. Barry looked at Ralph with a smile and congratulated him but DeVoe, using Killg%re's powers removed the power-dampening cuffs, and finally took over Ralph's body. Barry, Cisco, and Caitlin tried to stop him but he was now very powerful. Before escaping, DeVoe mockingly thanked Barry for Ralph's body.

After Ralph's demise, Barry developed PTSD that made him weak against DeVoe and other enemies. Team Flash asked Leo Snart (Earth-X Leonard Snart) for help to transfer Neil Borman to A.R.G.U.S. for his protection against DeVoe. As they were heading to A.R.G.U.S., they were attacked by DeVoe, who was willing to capture Borman from them. But Barry believing he could defeat DeVoe, used the sonic scepter to try to knock him out. But it was useless because he had Ralph's body, which only elasticized when the sonic waves passed him. DeVoe mocked Barry by saying, "Right, Rookie." in Ralph's voice, which made Barry fall to his knees. But in the middle of the battle, Siren-X, Laurel Lance of Earth-X, who was being captured by Citizen Cold before he was transported to Earth One, interfered. Siren-X used her sonic scream to knock out both Barry and Leonard and even DeVoe. DeVoe eventually escaped while Siren-X brought Borman, Caitlin, and Joe to Central City Police Department, where she held them hostage. Barry, disappointed he failed to protect Ralph, was comforted by Leonard, who convinced Barry to accept his pain and face grief, made him better. Barry and Leonard headed to CCPD while Siren-X was seen to be forcing Borman to take off his power-dampening suit to spread radiation was interrupted right in time. Barry tried to stop Siren-X but he was struck by her sonic waves, pushing him backwards easily even Snart. When he was down, Barry again was haunted by his friend's death, while Siren-X continued to scream at Borman to make the radiation spread faster. After a lots of convincing words from Snart, Barry finally stood up and ran against Siren-X, knocking her out. Team Flash successfully transported Borman to A.R.G.U.S. with Snart going back to Earth-X with an apprehended Siren-X. Barry and Iris then headed to Sharon Finkel, where Barry opened up his feelings about Ralph's death.

After getting over Ralph's death, Barry and Team Flash teams up with Gypsy to try to end DeVoe's plan but he still overpowered them by almost ending Gypsy's life that was stopped by his wife, Marlize and they escaped together with the parts of the Enlightenment.

Barry woke up in the middle of the night and noticed that Iris wasn’t in bed. He went out to the living room to her Iris working on a new article to expose the DeVoes of who they are.

The team later gathered at STAR Labs, where Caitlin goes over DeVoe's tech. He planned on using the stolen satellites to reduce the intelligence of everyone on Earth. Harry tried offering advice, bit he is unable to think of an intelligent plan.

Caitlin then realized that they had been tackling the problem of DeVoe all wrong. She reveald that they need a metahuman that's immune to DeVoe's powers and the only one that met thone standards was Amunet Black. While Initially hesitant, Caitlin was able to convince the rest of Team Flash to let Amunet help out.

Barry and Caitlin went to Amunet's hideout where they're greeted by Norvak. He told the pair that Amunet had not been heard from in quite some time so they re unaware of her whereabouts.

The group hatched a plan to find Amunet and they started it by finding out her real name.

Meanwhile Barry pulled Iris aside and told her to exercise caution when writing the article on Devoe.

When Joe and Caitlin arrived at a bodega that Amunet allegedly worked at they were attacked by her. Fortunately rushed in, stopping her from using her powers. Barry then revealed to her that they need her help to stop the Enlightment. Reluctantly She agreed to help out and they took her back to STAR Labs.

At STAR Labs Amunet questioned Barry on why he was still wearing his uniform and revealed she already knew The Flash's real identity from when Barry was incarcerated at Iron Heights. Amunet told the team that in order to defeat DeVoe, she needed more of her metal shards, which were recently stolen. Barry sped off to find more shards of Amunet's storage lockers. Barry, Caitlin, and Amunet arrived at her storage location to try and find the person who took the shards. After a quick test, the group found out that t was  Norvok who stole the shards and he and his cronies had left the boxing gym.

Barry and Iris conriuned to talk about Iris article again. Iris tried convincing Barry to let her release it to the public, but Barry is still hesitant due to the risk.

Eventually Amulet and Caitlin managed to deduce Norvoks location. As he was making a deal with thugs over the stolen metal in some dark alleyway Barry sped to the  location but is soon joined by Amunet, who tried killing Norvok . Barry managed to save Norvok  from Amunet's shards, but  Norvok then begins to attack them. Unfortunately manages to poison Barry with his venom. When Iris notices Barry's vitals going through the roof, she reminds Barry that he has to phase through the venom before it kills him which he does manage to do.

Caitlin and Joe stop the thugs from making away with the shards and Amunet uses them to form a mask around Norvok . She nearly kills him, but instead decides to cut off the snake in his eye. With her new shards, Amunet ditches the team and leaves.

Before leaving however, Amunet does gives Caitlin a concussive grenade made of Amunet's shards, which should help them take down Clifford DeVoe.

The team met back up at STAR Labs and Harry had an idea. He explaind that Clifford hadnt launched the satellites yet because he doesn't have help from his wife.

As the team starts to disperse, Barry told Iris to go ahead and publish her expose about the DeVoes. Later that night Barry and Iris were sleeping when Iris phone started buzzing with several notifications. Her expose has allowed people to come forward with their sightings of DeVoe, helping prove Team Flash's case.

Stopping The Enlightment
Barry, Iris, and Cisco worked on coming up with a plan on stopping DeVoe. Barry admitted that he was not fast enough yet to run into DeVoe's pocket dimension however Cisco pointed out that if they split up, they might have a better chance at stopping DeVoe. Eventually Cisco got around DeVoe' hack and the team found out that the metahuman DeVoe is after is Fallout. Knowing that Fallout was still in ARGUS custody, Barry ran to Star City and brung back John Diggle, who accessed ARGUS files to find out somebody posing at him checked in six hours ago.

realizing that DeVoe is after Fallout, Cisco told the others that they only have twelve hours before DeVoe's "Enlightenment" began

After taking Diggle back to Star City Cisco revealed that DeVoe was using Fallout's nuclear energy to power the satellites as a part of the Enlightenment and doing some further digging found out that DeVoe was holding six ARGUS agents hostage.

Cisco and Caitlin would later come up with an idea on how to stop DeVoe: they had to enter Flashtime with Barry to assist him in rescuing the hostages in time and stop DeVoe. Barry tried convincing them not to join Flashtime with him, but they show the science behind their theory and he eventually with hesitation and reluctance agreeed to train them on how to move about in Flashtime.

The three began training and on the first time, Cisco was unable to use his powers while in flashtime.

While Barry tried to train Cisco and Caitlin in Flashtime. They also began working on trying to come up with scenarios on how to save the hostages. While Ciscos was able to use his powers this time Caitlin was not able to power up the cold gun. She fell out of Flashtime and knocked herself out.

Barry and Cisco took Caitlin to the med bay where she woke up and assured them she was fine, but Barry not wanting to risk losing his friends told Caitlin and Cisco that he refused to keep training them.

While trying to run through scenarios himself Cisco walked in and confronted Barry about continuing to train them. The two end up arguing about the death of Ralph with Barry claiming Ralphs death was on him as he pushed Ralph into becoming a hero which he believed lead to him being killed by DeVoe. Cisco however also pointed out that he was just as responsible as he freed Barry from the Speed Force which not only gave Ralph his powers but also started the whole situation and told Barry he didn’t do all that just so Barry could try to stop DeVoe all by himself. Barry admitsted he couldn’t do it by himself but told Cisco that everyone he tried to train ended up worse then when they when they met them. Cisco Howver told Barry that Ralph himself was made a better person because of Barry and that they can stop DeVoe if they worked together which Barry agreeded and decided to resume their training.

Iris and Wells the came in to tell the group that they found Marlize at her home in England. Barry gave Iris the last breaching device to get to England to retrieve Marlize.

At the ARGUS facility, Fallout apparently combusted, releasing all of his radiation which DeVoe channeled. DeVoe shrank the chamber and went into into his pocket dimension when Barry, Cisco, and Caitlin arrive.

They entered Flashtime and managed to rescue all of the hostages as Barry rusheed through the pocket dimension after DeVoe. DeVoe released his satellites but Barry used an explosive to destroy one of the satellites.

DeVoe then began lecturing Barry on the Enlightenment and warned Barry that love might be his downfall. DeVoe escaped into another pocket dimension.

Barry, Cisco, and Caitlin rushed back to S.T.A.R. Labs, where they found out that DeVoe had compromised the facilities satellite to use in place of the one Barry exploded. DeVoe used Kilgore's powers to hack the STAR Labs systems and take the Enlightenment online.

Cecile and Joe arrived at STAR Labs as Cecile was in labor but they were unable to make it to the hospital in time. Caitlin assured them that she would deliver the baby.

Cisco told Barry that DeVoe stole the remaining Dark Force matter that was being stored at STAR Labs. As the two were talking about what to do Iris walked in with Marlize.

Marlize explained how they should be able to stop DeVoe by entering his mind and finding the goodness he had left in him. Marlize explained that they need to find a way to transfer Barry's consciousness into DeVoe's and says that they'll have to use Cecile's powers for it to work.

In the training track, Marlize set Barry into DeVoe's chair and placed a power-expanding device on Cecile's head. They explained that using Cecile's power with DeVoe's chair, Cecile simply needed to find DeVoe's brain wavelengths and the chair will transport Barry into DeVoe's consciousness.

The experiment worked and Barry was transported into DeVoe's consciousness at the same exact time the bus was exposed to dark matter.

Marlize explained that Barry needed to find their house and Barry sped over there. He found the home completely empty however and the communications between Team Flash and Barry started going on the fritz as Cecile started having contractions.

Marlize revealed that if Cecile has the baby, she'll lose her powers which will trap Barry in DeVoe's consciousness forever.

Barry rushed to the picnic where Clifford and Marlize had their first dance and after he arrived, he was approached by Ralph Dibny who was revealed to still be alive and also walking around in DeVoe's consciousness. After hugging his friend who he thought dead Barry relayed back to Team Flash that Ralph was still alive.

Barry explained their situation to Dibny, who admitted that he had not seen a good DeVoe, only the evil version of DeVoe floating in his chair. The two were approached by DeVoe, but Barry managed to take Ralph and flee.

Barry and Ralph arrived at Oxford, where the good version of DeVoe was. However they found him slumped over in a chair, having been killed by the evil DeVoe.

Losing all hope Ralph tried to convince Barry to leave DeVoe's consciousness and spend whatever time he ha left with his family. Barry refused to leave however and thought of another idea. Remembering that Marlize told Barry that if the good DeVoe transported through DeVoe's nexus, they'd be able to take control Barry realized DeVoe had been keeping Ralph alive because if Ralph died, DeVoe would lose control.

Multiples copies of DeVoe converged on Barry and Ralph and they all began fighting their way to freedom. However the copies seem to overpower them Barry seemed defeated but after a quick pep talk by Ralph, they managed to make quick work of the copies of DeVoe when  more clones show up stop him and Ralph from escaping but he is unsuccessful as Barry and Ralph escape into the Nexus.

Barry woke up in the pocket dimension and DeVoe realized he was defeated. DeVoe then collapsed to the floor and Ralph took his body back.

Marlize was able to shut down the satellites to stop  the Enlightenment and the power turned back on across Central City. Iris double checked to make sure there is no longer any dark energy in Central City, confirming they defeated DeVoe.

Marlize transported the team back to STAR Labs as Cecile announced that her water just broke and the team moved her into the med bay. As the team left the main room, DeVoe's chair lights.

Caitlin began Cecile's delivery.

The team rendezvoused in the main room and DeVoe reappeared as a hologram. Marlize however said goodbye to her husband and destroyed his chair, killing DeVoe for good. With DeVoe dead, his satellites began falling out of orbit, which alerts STAR Labs.

Barry sped out to try and stop the satellites from crashing into Central City. The satellites began crashing into the city, but Barry, Ralph, and Cisco are able to save the citizens from major harm.

The last remaining satellite piece was crashing into Earth but Barry used his sonic punch to disintegrate it, but time reversed as he was about to make contact and as Barry sped up to punch it again, but this time the mystery speedster joined him to help out. They break the satellite together and she disappeared.

returning to STAR Labs Barry found out that Cecile had given birth to a girl.

Marlize gave Cisco technology to reverse the effects Wells had suffered, but it did not work entirely. Although he had some intelligence restored, Wells was not super intelligent like he used to be. Wells made the realization he needed to go back to his own Earth and spend more time with Jessie. He hugged Team Flash and traveled back home.

The team then went to the West household to celebrate the new baby. Wally also showed up and surprised the group and talked about defeating a time demon with the Legends.

Suddenly the girl Barry had met at his and Iris wedding showed up and lets herself in. In front of the entire group, she revealed her name was Nora and she's the daughter of Barry and Iris from the future and admits she's made a huge mistake.

Elseworlds
One day, Barry found himself in an A.R.G.U.S. bunker, training with Diggle at hand to hand combat. Thinking that he's still in Central City, he asked Dig what he's doing there, in which he replayed that he's "Kicking his butt". Thinking that he's in the bunker, Barry asked if they redecorated it. Dig, being confused because of the question, said that he's been to A.R.G.U.S. a million times and he doesn't understand the question. When he said that, he called Barry "Oliver", which made Barry question Diggle's actions. He then proceed to beat him in the fight, and because of that (and the fact that Dig called him "Oliver"), he realized that Dig thinks he's Oliver Queen and that he also got his fighting skills. He also realized that he's now the Green Arrow, which made him surprised and happy.

Barry pulled out his shirt to find all of Oliver's tattoos and scars on him. Knowing that S.T.A.R. Labs will be able to help him, He said to Dig that he needs to call there because of some "important Green Arrow business". Suddenly however, Dig got an alert that the Bertinellis are fighting the Bratva over an old Ricardo Diaz's weapons cache in the Glades. He asked for Barry's help (by again calling him "Oliver"), but due to him not having his speed or any fight training, he said that he's not feeling it. Dig tried to convince him by saying that the other A.R.G.U.S. agents are on another mission and will not be able to make it in time, which worked. He then handed him the Green Arrow suit, but Barry didn't know how to put this on and asked for help.

At the weapons cache, Barry tried to shoot an incendiary arrow at the criminals, but accidently shot a grappling hook arrow instead. He proceed to beat them using Oliver's fighting skills, but had a little problem with it due to him not having any training. One guy almost shot him, but luckily Diggle got him in time. Excited that he beat all the criminals, he almost let the driver get away. But luckly got reminded what to do by Dig, and shot exploding arrows at the truck. When it was all over, Barry realized that there is another guy sneeking behind Dig, ready to hit him. He shouted in order to alert Dig, which was too late. Luckly, Oliver (who was dressed up as "The Flash" and got Barry's speed due to them switching lives) sped the two away. Barry then said that he's really glad to see him, as Diggle threw up (as he usually does when a speedster run with him). He then complimented Oliver's suit, why was in fact his.

Various events

 * In the future, Barry has a museum built in his honor.
 * In another unspecified time, presumably erased, Flash teams up with Atom, Captain Cold and White Canary against an unknown metallic creature.
 * At another unspecified point in time, presumably erased, Barry is arrested and sent to Iron Heights for an unknown crime, and appears to be talking either to Jay Garrick or his father while in prison.
 * For reasons unknown he created Gideon, an artificial intelligence, and became the founding member of an unknown but revered group.
 * Barry also eventually becomes director of the CSI division of the Central City Police Department.
 * According to Abra Kadabra, future Barry fought him and they both have had several encounters that left Kadabra with a bitter hatred of him.
 * Eobard Thawne's younger self began to the travel to the 21st century to fight future Flash and he became his arch-enemy. The two speedsters would then fight each other in various different times, with neither of them managing to defeat the other and described their fights as spanning over the course of centuries, implying that Flash may have also fought Reverse-Flash in his own time as well. Barry also preserved Eobard's time ventures to not ruin the timeline.
 * According to Eobard, Barry's speed in the future is unlimited and Eobard also says that the Flash is experienced and a veteran hero.
 * At some point, Barry will have a daughter who he named after his mother.

Crisis in 2024
Around midnight on April 25, in the year 2024, the Flash battled the Reverse-Flash with Green Arrow, the Atom and Hawkgirl in the streets of Central City causing the most destruction the city had ever seen. The fight also somehow caused the sky to turn a deep crimson color. Their fight caused several trucks to start leaking their contents onto the streets, and caused power outages spread over 20 blocks throughout the city. The Reverse-Flash and the Flash then started battling over two overturned tanker trucks, and the lightning emitted from them caused the oil from one of them to ignite. While surrounded by smoke, both speedsters had a very heated conversation on an unknown matter, then the two sped off leaving Green Arrow, the Atom and Hawkgirl behind. The two then continued their fight up and down an unknown avenue, and then vanished without a trace.

However, unbeknownst to everyone, they both traveled back in time to March 18 in the year 2000, with the Flash arriving shortly after the Reverse-Flash had arrived, and followed his arch-foe to the Allen house and the two fought around Nora. During the fight, the Flash saw his younger-self from 2015 during his first trip into the past and signaled his younger-self not to interfere, presumably because of Flashpoint effects. The Flash then continued to fight his enemy before taking his 11 year old self out of the house and transported him 20 blocks away before vanishing, presumably traveling to another point in time. However, as revealed by his daughter from the future, Barry is still missing 25 years after vanishing in the crisis in 2024.

Contacting Rip Hunter in 2056
"A war is coming, Captain Hunter. And at some point, you're going to be called back to Central City to fight it. So you need to know while you and your team have been in the temporal zone, I made a choice that affected the timeline. As you know, whenever you alter the past, those changes affect the present and get compounded in the future. When you return, you will be in a new timeline I created where everyone's past and everyone's future has been affected, including yours. When you come back, don't trust anything or anyone, not even me."

- Future Barry's message to Rip Hunter

At some point in 2056, a 67 year old Barry contacted former Time Master Rip Hunter, leader of the Legends and told him that a war is coming, but made him promise not to tell the rest of his team.

2016 Barry, along with Oliver Queen were told the secret by Jefferson Jackson and Martin Stein warning Rip of Barry's changing of the timeline and how it has affected every person in some way, that he should not trust anyone, including the Flash and the Legends as they may not be the people he used to know. The secret was later revealed to the rest of the Legends, Team Flash and Team Arrow.

Team Flash later found out that this message was warning the heroes from to past to not trust in Savitar, because Savitar is a younger self of 2056 Barry. Because Savitar was erased from existence and his future were also erased too, it's possible that this message alongside this Barry is also erased too.

Savitar
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Origins
Savitar's existence is the result of a causal loop in which he has no beginning or end but only an endless series of events that lead to his creation. Beginning in a post-Flashpoint timeline after Iris West's death by Savitar, Barry Allen at some point in 2020 created time remnants to help stop Savitar. However, Savitar slaughters most of them but spared only one time remnant to live as this time remnant was to become Savitar at some point in the future. After his creation, the time remnant was shunned by Team Flash because he was an aberration and not the real Barry. Alone and overwhelmed by his painful memories, he became desperate to end his pain eventually coming to a realization that "God" feels no pain and he eventually decided to become one himself. At some point, the time remnant found the Philosopher's Stone and made himself a mechanical suit of armor, both of which became a part of his power, and he eventually named himself Savitar, the "God of Speed". Worshipped and revered for his power, Savitar had a cult founded around him. Savitar spread his legend throughout the multiverse and across time. With the lie of his power being the first speedster to ever be granted power to the Speed Force, he eventually became the fastest out of all of them, challenging other powerful speedsters who threatened his power to battle, before taking over their Earths. Before each encounter, Savitar would use the Philosopher's Stone's power to possess a person to use a medium under the "Alchemy" alias, to prepare for arrival, by creating meta-humans for him to command.

Imprisoned in the Speed Force
Desiring revenge on the Flash for shunning him, Savitar traveled to 2020 where the two fought, during which the Flash created time remnants, including Savitar's own younger self. Savitar killed all of the time remnants but spared his younger self, so that he would eventually become him, thus continuing the loop of his existence. To his surprise, however, the Flash was eventually able to defeat Savitar by imprisoning him inside the Speed Force, during which Savitar was stuck in a time loop in which he relived the most painful moment of his life, driving him further into insanity, thus wanting him to destroy his original self's life even further.

Preparation for freedom from the Speed Force
While he was imprisoned in the Speed Force, Savitar sensed a dramatic shift in the timeline that resulted from the past version of Barry from 2016 creating the Flashpoint timeline. Realizing that he could use the situation to his advantage, Savitar waited until the timeline was restored to a similar previous form and began to enact his plan. After the Flashpoint timeline had been erased, he telepathically appeared to Julian Albert in the form of the man's deceased sister Emma, telling Julian of the Philosopher's Stone which could bring Emma back. Julian spent years searching for the Philosopher's Stone and funded an exhibition in India in 2012 and found the container the object was sealed within. After Julian opened the container, Savitar was released and possessed Julian, killing the other members of the exhibition. While Julian tried to escape Savitar by fleeing to America, he continually possessed Julian, and his host unwillingly became the newest version of Alchemy. For the next few years, Savitar (as Alchemy) sought out followers for his cult, seeking to slay a younger, less powerful version of the Flash. He also somehow became aware of all the meta-humans from the Flashpoint timeline which unintentionally provided him the means for his return. Under his Alchemy guise, Savitar began seeking out individuals who were meta-humans in Flashpoint and restored these individuals' memories and extorted them into finding him. Once they did, Savitar promised to restore their power in exchange for their loyalty. He did this to "Shade" and Clive Yorkin. Savitar then sought out Frankie Kane, a teenage girl with dissociative identity disorder due to the restored Flashpoint memories, persuading Frankie to find him. Once Frankie did, Alchemy offered to restore these powers in exchange for services. While Frankie was reluctant, the alternate personality Magenta agreed and Alchemy restored these powers. Savitar then communicated with Edward Clariss and restored the man's Flashpoint life and memories as a speedster known as The Rival, and told where to find him. Once Clariss arrived, Alchemy was begged upon to make the visions stop, but Alchemy asked if Clariss really wanted the visions to stop, or if Edward wanted them to come true and to have speed once more. Clariss confessed wanting the speed and Alchemy promised to restore this power, in exchange for loyalty. He used the Philosopher's Stone on Clariss, and Clariss became The Rival once more. Alchemy observed as The Rival fought The Flash, which ended in a draw, though the Flash was unaware Alchemy was watching the two speedsters. Later when Flash confronted The Rival at the Prescott Sawmill, Alchemy attacked the Flash. Upon being asked what he wanted, he claimed to be helping people achieve their potential because he was preparing the world. The Rival then fought the Flash again, but the Rival was defeated by the combined power of the Flash and Cisco Ramon. When Clariss was incarcerated in Iron Heights Prison, Savitar scolded Clariss for failure and Clariss begged for a second chance, but Savitar appeared inside his cell and attacked Edward. After tossing Clariss around, he struck a fatal blow that killed Clariss before hitting the ground. Alchemy was later confronted by Magenta, being angry that Frankie continued to resurface, as Alchemy had promised freedom from Frankie and the girl's foster father. Alchemy told Magenta that if she wanted Frankie gone, Magenta would have to show who was in control, and this led to Magenta almost destroying a hospital full of innocent people to get revenge on Frankie's foster father. However, Frankie was talked out of this by the Flash and left Central City as a result. Alchemy then sought out restore Wally West's Flashpoint memories and meta-human powers. Knowing Barry would do all to prevent Wally from finding him, he sent Shade as a distraction, while he communicated with Wally and urged to seek him out. When Wally locked himself in the Pipeline, Savitar began torturing the youth to persuade him, but to no avail. When Shade was captured, Savitar simply began torturing Wally more intensely until the youth eventually sought him out.

First encounter with the Flash
In an effort to lure Alchemy into a trap, Team Flash and a CCPD strike team followed secretly as Wally approached Alchemy about the visions of the Flashpoint timeline. Wally stalled Alchemy long enough to allow the police and the Flash to storm the hideout. Alchemy and his cohorts were subsequently surrounded and shackled. Flash triumphantly stood before Alchemy and went to unmask him. However, just as the Flash was about to do so, an earthquake shook the hideout and suddenly a small blip of light began racing around the hideout, killing all of the cops and freeing Alchemy's followers. Realizing the blip of light was a speedster, the Flash attempted to pursue, but the speed was far beyond anything, and Flash was brought down instead. As Wally became trapped in a cocoon-like container, the mysterious speedster pinned the Flash to a wall, revealing itself to be clad entirely in metallic armour. As the Flash finally beheld the armored foe, Savitar responded that he was the god of speed. Savitar then produced a long curved blade from his gauntlet and prepared to finish off the Flash. Luckily, the Flash was saved at the last second by Joe West's timely intervention by managing to shake off the cult followers, and opened fire on Savitar even though Joe couldn't actually see the speedster. The bullets, however, deflected harmlessly off Savitar's armor. Ignoring the interruption, Savitar raced out of the lair with Flash in hand and proceeded to drag, pummel and throw his opponent all across Central City like a rag-doll, by somehow using his speed to open up dimensional breaches to various locations around Central City, finally coming to a stop at the waterfront, whereupon Savitar began to savagely beat down his quarry. As the Flash lay broken and bleeding at his feet, Savitar declared the Flash to be beneath him and announced that he (Savitar) was the future while his original self was the past. Having said this, he grabbed the Flash by the throat and prepared to once again skewer the speedster with his gauntlet-blade. Before he could do so, however, the Flash was saved by Vibe and Caitlin Snow's sudden arrival, with the latter's ice-powers freezing Savitar in place, revealing him but inadvertently harming the Flash too. The ice, though, did not last long, and Savitar soon burst out of his ice-prison and sped off.

Later, Savitar sought out Julian while Julian was in the hospital. Julian told Savitar to stay away but Savitar confronted him anyway, telling his host that only together could his return be achieved. Savitar then possessed Julian and at the C.C.P.D. retrieved the Alchemy outfit to continue his plan.

Fighting the Flashes
With Julian resuming the Alchemy persona, Savitar prepared once again to target the Flash. He ordered Alchemy to use a specially-designed building in Central City to refract the energies from the Philosopher's Stone and bestow powers on all the meta-humans in Central City from the Flashpoint timeline at once. Their efforts were interrupted once again by the arrival of two Flashes; Barry having joined forces with Jay Garrick. Before the two Flashes could do anything to Alchemy, Savitar appeared out of nowhere. While Alchemy dealt with Barry, Savitar squared off against Garrick. Savitar completely outmatched Jay, viciously pummeling and and beating down the elder speedster all across Central City, finally coming to a stop in an alley. The metallic speedster angrily pointed out that it wasn't Garrick's fight, and unsheathed his gauntlet blade to kill the Earth Three veteran speedster. Garrick was saved, however, when Barry sealed the Philosopher's Stone back in its chest, causing Savitar to disappear into thin air. Looking to continue the fight, Savitar chose to bide his time in order to figure out a way back. He began telepathically manipulating Cisco using Dante Ramon's likeness and memory to convince Cisco that the Philosopher's Stone could bring Dante back to life. Entranced by the Philosopher's Stone's power, Cisco opened the chest, releasing Savitar once again just as Barry arrived in Cisco's lab. Savitar then seized Barry to the S.T.A.R. Labs' speed lab, whereupon he began to mercilessly beat up the Earth One speedster yet again. As he did so, he was stalled by Wally's sudden arrival, but was merely seized by the throat by Savitar and thrown across the room into Barry. As the two speedsters lay defeated on the ground, Savitar unsheathed both of his wrist blades and moved to kill both speedsters. However, this was prevented at the last second when Caitlin convinced Cisco to accept Dante's death and close the chest containing the Philosopher's Stone, sealing Savitar away again. Fuming from his latest defeat and Alchemy's constant failures, Savitar suddenly felt Julian's consciousness connected to the Philosopher's Stone, established a psychic connection through Julian and found himself face-to-face with Team Flash. He berated the group for not bowing to him, only to be derided for his claims to be a god. Seeking to rattle Team Flash, Savitar revealed intimate knowledge of each of the group's members as well as a chilling warning about their future; one would betray them, one would die and one would suffer a fate worse than death. Barry demanded to know who Savitar really was and what he wanted, to which Savitar responded that he wanted to take back everything that the Flash had taken from him, before he would destroy his original self. Confused, Barry angrily asked why Savitar didn't follow through with his threats right away, before realizing that without the Philosopher's Stone, he literally couldn't. Enraged, Savitar revealed the reason for his vendetta; that it was in fact a future version of his original self who had trapped him "in eternity" and vowed that he would rise again. Disconcerted, Barry disconnected Julian from Savitar.

Escaping the Speed Force
Having regained possession of most of the Philosopher's Stone after being thrown into the Speed Force by his original self, Savitar put the next phase of his escape plan into action. He began telepathically haunting Wally to wear down, which came to a head while the Flash and Kid Flash were out on a run, and one of Kid Flash's hallucinations actually attacked him. Desperate for answers, Team Flash opened up a line of communication to Savitar through Julian once more. Savitar sardonically greeted Barry's comrades but Barry quickly rebuffed him when Barry argued that they were essentially the same, claiming that to him, Barry was the villain of their story. He revealed yet more intimate knowledge of the team such as Cisco being as powerful as Reverb and H.R. Wells surviving his future rampage. Team Flash interrogated Savitar extensively about his plans and his past but got only cryptic answers and half-statements in response; Barry questioned about their feud's origin but Savitar arrogantly derided both Eobard Thawne/Reverse-Flash and Hunter Zolomon/Zoom, claiming that he was the Flash's ultimate foe. He did however reveal that he had taken back the Philosopher's Stone and declared that no matter what they did, they could not stop his return. As he rose to his feet, Savitar reaffirmed his intention to escape, kill Iris and destroy his original self, mockingly bringing up Barry's deceased parents. Fed up, Barry disconnected Julian from Savitar. Satisfied that almost everything was in place, Savitar focused on getting the broken piece of the Philosopher's Stone. He telepathically linked to Wally once again by taking Francine West's form this time to torment, and pressured Wally into stealing the piece of the Philosopher's Stone. Kid Flash stole the piece from S.T.A.R. Labs and raced to an abandoned factory and manically tried to open a portal to the Speed Force, but was held back by the power of the Philosopher's Stone. Savitar mocked Kid Flash's efforts, reminding Kid Flash that he would eventually kill everyone West loved. Infuriated by Savitar's words, Kid Flash successfully opened a Speed Force portal and threw the piece of the Philosopher's Stone into the portal. As the Flash arrived on the scene, tendrils of white lightning seized and pulled Kid Flash into the Speed Force, while breaking its hold on Savitar, bursting out of the portal roaring in triumph. Pacing around the Flash, Savitar revealed his full escape plan and declared that saving Wally was now impossible. Enraged, the Flash charged Savitar and chased him into an alley. Though the Flash angrily promised to kill him, Savitar mocked these threats, reminding him that Barry was the hero who would never take a life, and was unworthy of the life he had been given, vowing to destroy Central City like he did in the future. This time, though Savitar remained dominant, the fight was more even-sided, with both speedsters landing solid blows on the other, culminating in the Flash seizing Savitar in a headlock, demanding he show his face. Savitar instead pivoted out of it and stabbed the Flash through the shoulder with his gauntlet-blade, shattering his clavicle. Stating his intent to kill the Flash, Savitar promised to let his original self live long enough to watch Iris die. The Flash unexpectedly struck back by slicing off Savitar's blade with a vibrating hand. Roaring with anger, Savitar raced away. Savitar remained silent and out of sight for the time being, while Team Flash frantically searched for a way to rescue Wally from the Speed Force, in order to work on repairing his damaged armor. When he finished, he stepped back and observed from afar as Barry went back into the Speed Force to free Wally from Savitar's former prison. While doing so, he suddenly felt the lost piece of his armor being reactivated and homing in on him. Racing to the piece, he found himself confronted by Jesse Quick. He knew that Jesse would come for him, reprimanding Quick for claiming of not being afraid of him. Angered, Quick recklessly attacked with a lightning bolt, but Savitar inexplicably absorbed the bolt and fired right back at Quick, sending Jesse flying several feet. Savitar demanded the return of his severed gauntlet-blade and began telekinetically summoning the piece to him, which Quick clung on to and too was dragged towards him. Thinking quickly, H.R. instructed Quick to find and attack a weak spot in Savitar's armor. As Savitar seized Jesse by the neck and held before him, he declared that he had plans for the Earth Two speedster, his arrogance blinding him to the fact that Quick was still holding his gauntlet-blade. Retorting that Quick had plans too, Quick viciously plunged the blade into Savitar's shoulder through a gap in his armor. Bellowing in agony, Savitar dropped Jesse and raced away. Realizing that Savitar could feel pain, H.R. later informed Team Flash that Savitar was not a God after all but an armoured man with super speed.

Identity revealed
Savitar steered clear of Team Flash while recuperating from the various injuries dealt to him. When this was over, he sensed Killer Frost's resurgence and went to meet in a forest on Central City's outskirts. When they met up, Savitar greeted amicably and promised that he would ensure that Caitlin would never return, though Killer Frost was hesitant to believe him. To gain trust, Savitar knelt down, removed his armor and revealed his true identity. Anticipating that his younger self would try to build the Speed Force trap sooner than was destined, Savitar ordered Killer Frost to find and kill Tracy Brand, the physicist who would go on to build the trap technology in the first place, though Killer Frost was thwarted by the Flash and Vibe. When Killer Frost returned to him, having failed, Savitar chastised Killer Frost for not living up to the title and mused aloud if there was still a part of Caitlin having an influence, but Killer Frost quickly rebuffed him. Rethinking his plan, Savitar next ordered to kidnap Cecile Horton (Joe's girlfriend) in order to force Team Flash's hand and trade Tracy. Knowing what the team would try to do instead, Savitar warned Killer Frost ahead of time of what Barry would say to try and sway Caitlin back, as well as the trap that the group planned. When the team managed to subdue Killer Frost anyway, Savitar sped in as Vibe was taking a blood sample and swatted Vibe away. Proclaiming that his ascension is almost complete, Savitar concluded with a reminder to Barry that before long, the Flash would fall. Having said this, Savitar picked up Killer Frost and raced away. With this latest encounter, Savitar knew it wouldn't be long before the Flash figured out his true identity and raced to meet the Flash on the outskirts of Central City as Barry searched for him. Standing before his enemy, Barry figured out who Savitar really was; that his ability to flawlessly predict Team Flash's moves, his intimate knowledge of its members, were all because he had already lived this all himself. Declaring his relief, Savitar knelt down, removed his armor and revealed himself as none other than a future version of his nemesis with a pale and scarred face. Grinning ghoulishly at his younger self, Savitar reiterated his frequently-repeated quip, that he was the Future Flash. Savitar paced around his younger self with a ghoulish smile on his face as he laid everything out in the open; that he was a time remnant created by the Flash's future self in the 2020s whom Savitar had allowed to live before being sealed away, comparing himself to Barry's first time remnant used against Zoom. The time remnant was rejected and shunned by Barry's family and friends as a "fake", leaving him bitter and broken. Desperate to make the pain go away, the time remnant was driven insane and strove to become a god, for which he went back in time to reinvent himself as the "original speedster", creating a perpetual cause and effect temporal loop. All that was left to complete the loop again is for Iris to die and a second element that Savitar didn't reveal. Barry threatened to kill himself, but Savitar was undaunted, citing the Reverse-Flash's survival despite Eddie Thawne's sacrifice as an example of how such action would be futile, and declaring his ascension nearly complete. Enraged, his younger self charged Savitar and attempted to kill him, but was stopped by Savitar's self-operating armor, which engaged the Flash in a brief struggle. As the Flash punched the armor away, Savitar sped back into his armor and began charging up for a lightning attack, as his original self did the same. The two fired massive bolts of lightning at each other which caused a huge explosion, hurling the speedsters away from each other and allowing Savitar to escape. While preparing for his next move, Savitar was inexplicably stripped of all his memories as a result of Team Flash accidentally wiping all of Barry's memories, causing him to randomly attack Killer Frost when his enforcer tried to talk to him. He remained in seclusion for a time until Team Flash undid the damage by restoring Barry's memories and Savitar's by extension.

Killing "Iris"
Savitar remained in his hideout in an abandoned warehouse and passed the time by repairing his suit of armor. As he was doing so, Killer Frost approached him, admiring the armor and remarking on them teaming up like they used to as Barry and Caitlin, though Savitar was quick to remind his enforcer that neither of them were who they used to be. Killer Frost pressed Savitar about his motivations for killing Iris, to which Savitar reiterated that Iris had to die otherwise he would never exist. Unconvinced, Killer Frost spoke of his upbringing with Iris, citing it as possibly deterring him from ultimately killing Iris. Rising to his feet with an expression and voice full of rage and pain, Savitar coldly recounted being created as a disposable asset of his original self, nothing more than a cheap copy to be thrown away when no longer needed. He reasoned that if none of Team Flash cared about him, he shouldn't care about any of them. Disturbed, Savitar asked Killer Frost to reiterate the commitment to the cause and re-prepare herself for her own actions. Suddenly, Savitar was hit by a fresh wave of new memories in which the Flash met with Leonard Snart/Captain Cold in the past to steal a power source from A.R.G.U.S. for Tracy's weapon. When Killer Frost inquired about it, Savitar waved it off as irrelevant and decided to let them take it, declaring a speed-gun to be no match for him.

As he prepared for the final confrontation, Savitar's plan was thrown off briefly when he suddenly realized that he did not know where Iris was since his younger self had not been told either. Determined to get things back on track, Savitar disguised himself in his old Flash uniform and raced into S.T.A.R. Labs were he met Cisco, H.R. and Tracey. He told the group of obtaining the Dominator power source, and asked where Iris was. Without thinking, H.R. let slip that Iris has been on Earth Two, realizing his mistake too late as Savitar turned to face them, revealing his scarred face and his true identity. As the team looked on in horror, H.R. could only choke out a single word before Savitar raced off to Earth Two. As Joe, Wally and Harry Wells stood ready, Savitar burst out of the breach in the S.T.A.R. Labs of Earth Two in full armor. Immediately, Kid Flash charged him and landed a number of blows against the armored speedster, before Savitar threw Kid Flash against the ceiling, caught him while falling, and brutally broke his leg with one stomp, tossing the young speedster aside. As Joe and Harry fired, Savitar silently exited his armor and appeared behind Joe, Harry and Iris. Looking into Savitar's maddened eyes, Joe attempted to reason with Savitar by apologizing for disregarding him in the future, referring to him as Barry. Unmoved, Savitar angrily stated that Barry was not his name. Iris promised to go with him and begged him not to kill the others, though Savitar claimed that he would only do so after they all watched Iris die. Joe begged Iris not to go but Savitar interrupted, remarking that Iris had accepted this fate and that Joe should do the same. As Harry brandished a hidden gun, Savitar grabbed Iris and raced back to Earth One. He then chained up Iris in his lair and made a few adjustments to his suit, until H.R. used Savitar's blade piece to find Iris, tied up. The blade flew from H.R.'s hand and fixed itself back to his suit, to which Savitar saw H.R. and Iris running towards the exit, ordering Killer Frost to get Iris. Savitar brought the individual he believed to be Iris to Infantino Street, where the Flash as well as Joe and Tracy were lying in wait. Savitar challenged Flash to try and be a "hero", and dropped Iris to the ground. When he did, the Flash went and used the Speed Force bazooka on him. After avoiding a few shots, Savitar let himself be hit, making everyone believe for a moment that it was going to work. Savitar then burst free of the energy and revealed that he had the Philosopher's Stone, which was made of "calcified" Speed Force energy that shielded him from the trap, taunting Barry over having given the stone to him when they initially discarded it into the Speed Force. Savitar then grabbed Iris and told the Flash that his future self had sentenced him to an eternity of hell, so Savitar was giving him the same, proclaiming that he was finally free of the original Barry, before bringing out the spear from his armor. Barry tried to run to him and stop Savitar, but he quickly stabbed Iris through the back, before speeding away, leaving the Flash to cradle Iris's dying body in his arms, quickly to be revealed to actually be H.R. who had taken the fall.

Ceasing to exist
After stealing the Speed Force bazooka, Savitar raced and found Killer Frost preparing to finish off Vibe, and ordered Killer Frost not to as he needed Vibe for the next phase of his plan. At that moment, Savitar was hit by fresh memories of Iris alive, and in horror realized that he had been tricked and had instead killed H.R., which would in turn change the future to one in which Savitar was never created. Enraged, Savitar pointed out that Vibe's own future had now changed too. Upon returning to his lair in Mount Buccelato with Killer Frost and Vibe, Savitar ordered Vibe to convert the Speed Force bazooka into an interdimensional quantum splicer, which he would use in combination with a Speed Force portal to fragment himself throughout all of time, making it impossible for the upcoming paradox to erase him from existence, thus allowing him to exist and rule as a god in every moment of time from the Big Bang to the end of the world. All he needed was for Tracy to build the Speed Force bazooka earlier than was intended, which was why he allowed the Team Flash members to live. When Vibe refused to help him, Savitar threatened to kill Killer Frost by taunting Vibe with the revelation that Julian had developed a cure for Caitlin, leaving Vibe with no choice, and relented. While he waited for Vibe to finish, Savitar flashed a new memory of his younger self waiting for him in a warehouse. Realizing that this would give him the opportunity he needed, Savitar met with Barry. Barry implored Savitar to let him save him, citing a fond memory of their parents to get through to Savitar. Savitar allowed Barry to lead him back to S.T.A.R. Labs. Once there, he was confronted by Team Flash being highly reluctant to help him, especially Tracy. Barry and Iris took Savitar aside where Savitar questioned the two over what kind of life he would have if they saved him, though they could not give any definitive answers. Savitar also remembered a certain device being used on future nemesis of the Flash while touring S.T.A.R. Labs. Eventually, Savitar decided he could not endure living in a world where nobody treated him like Barry. Giving up on redemption, Savitar took the Philosopher's Stone into the basement to be set to overload. As Barry and Wally got everyone out, the Philosopher's Stone exploded and obliterated the interior of the complex, giving Savitar the chance to escape. He returned to his lair as Vibe completed the interdimensional quantum splicer, and ordered Killer Frost to kill, but Vibe was saved by Gypsy at the last second. Declaring what just happened unimportant, Savitar picked up the interdimensional quantum splicer and left to enact his master plan. Knowing that the Speed Force would try to kill him because of the paradox, Savitar went to a park on Central City's outskirts with Killer Frost and the Speed Force cannon in hand. Savitar opened a Speed Force portal filled with bursts of orange lightning and explained to Killer Frost that the reason he had brought his enforcer along was because of how the Speed Force dealt with speedsters who mess with time. As Savitar expected, the Speed Force unleashed the Black Flash out of the portal. Killer Frost fired off several shots at the Black Flash but missed. As the spectral speedster raced to them and lunged at Savitar, Killer Frost fired again, hitting and shattering the Black Flash. With the Speed Force's enforcer out of the way, Savitar stood in front of the portal and ordered Killer Frost to shoot him with the interdimensional quantum splicer, where multiple versions of himself formed in a line leading into the Speed Force, appearing to work. Suddenly as the beam turned red, the clones disappeared and Savitar became whole again as the beam from the interdimensional quantum splicer instead went straight through him and into the Speed Force portal instead. As they looked on, Jay burst out of the portal and swatted Savitar away. Horrified, Savitar turned to see Team Flash's powered members, Vibe revealing that the Speed Force bazooka had been turned into a skeleton key which freed Jay from Savitar's prison. Seething with rage that he had been tricked, Savitar raced away with both Flashes and Kid Flash in close pursuit, while Vibe and Gypsy took on Killer Frost. Realizing he could not outrun the trio for long, Savitar first tried to block their path by chopping down a pair of trees, which failed. He then leapt high into the air and turned and fired a bolt of lightning at the three speedsters, which knocked them all down. Savitar returned to Killer Frost just in time to see Vibe standing over, victorious. Swatting Gypsy away, he seized Vibe by the throat and prepared to kill Vibe with a vibrating hand (similar to how the Reverse-Flash killed Cisco in an erased timeline and to how Zoom killed Reverb on Earth Two). At that moment, Caitlin turned on Savitar and blasted him away. Rising to his feet, Savitar reprimanded Caitlin, before bringing down Barry trying to flank Savitar. Admitting that his time was almost up, Savitar declared that he would take down Barry with him by killing Barry's foster family. As his back was turned, Barry defiantly charged Savitar and phased into the suit of armor, expelling the time remnant out of the armor. As he lay on the ground, Barry taunted Savitar. Amazed and confused, Savitar attacked without his armor, but was no match for Barry, and ended up on his knees. As Barry stood before Savitar with his gauntlet-blade drawn, Savitar in despair dared Barry to finish him off, believing that if Barry killed him, Savitar would still exist. It was all for naught, however; Barry, instead, spared Savitar, destroyed the suit of armor and laid out his aghast opponent with a vicious speed punch. As Barry walked back towards his friends, Savitar rose to his feet again and charged at Barry roaring with rage, determined to take him down with him one way or the other, but only to end up being shot in the back by Iris, instantly killing him. As his body lay lifeless, the paradox had caught up and completely erased Savitar from existence.

Legacy
Despite his defeat, Savitar's actions still had an impact on Team Flash. With him gone, Barry was forced to take Savitar's place in the Speed Force which causes Clifford DeVoe to plan to get Team Flash to free Barry, which causes the creation of new Meta-humans on a bus.

Even though DeVoe stated that Savitar was one of the many "children" that The Flash had faced, the professor stated that their powers are not compared to the Thinker's own power of limitless thought, thus viewing himself superior to Savitar.

Sometime before 2032, Savitar's suit of Armor were displayed within the Hall of Villains in the Flash Museum along with other memorabilia from past villains that the Flash and his team had fought and defeated.

Erased future
In a timeline that Savitar succeeded in killing Iris, his loop of existence continue and the Flash and him will also continue in war. At some point after Iris's death, Savitar is sought out by Wally for revenge for Iris's death, but Savitar defeated Wally, which left Wally with a shattered spine. Through unknown means, he also caused Wally to become catatonic and would remain so by 2024. At some point in the future, Savitar was trapped again in the Speed Force.

Savitar was regarded as one of the Flash's greatest enemies (even more than the Eobard Thawne/Reverse-Flash, Hunter Zolomon/Zoom and Clifford DeVoe/The Thinker) by Abra Kadabra and was always somewhat jealous of Savitar as he was the only one who ever truly broke Barry.
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Rewritten reality
The Legion of Doom used the Spear of Destiny to create a alternate reality. In this reality, Barry somehow became the Flash and also an ally of Green Arrow and possible from other heroes. However, at some point before 2017, Barry had been killed by Damien Darhk and his mask and symbol were kept in a trophy case alongside the other heroes and vigilantes that Darhk had killed.

Possible future
In a possible future that Eobard Thawne hails from, Barry as the Flash, is one of the several heroes remembered in the era called "Age of Heroes".

Erased future
According to Abra Kadabra's timeline, Savitar is regarded as one of the Flash's greatest enemies alongside Reverse-Flash, Zoom and the Thinker.

Even though DeVoe stated that Savitar was one of the many "children" that the Flash had faced, the professor stated that their powers are not compared to the Thinker's own power of limitless thought, thus (arrogantly) viewing himself superior to Savitar.

Personality
"They thought I was trying to cover for my father. But what I saw that night was real. As real as the man that ripped down that metal door with his bare hands. That's why I look into cases like this. The ones nobody believes are possible. Maybe if I can just make sense of one, I might be able to find out who really killed my mother. And free my dad."
 * -|As a civilian=

- Barry on his motivations

Barry is described as someone who complements Felicity Smoak's intellect level, both when it comes to forensics, as she claims it's not her strong suit, and science in general. He is also someone who is regularly late as he missed a train and cab all to get to Queen Consolidated's warehouse, and missed the last train back to Central City. He is also considered a comic geek.

Much like Oliver Queen, Barry has a strong sense of justice, due to the fact he knows his father is innocent of a crime he was convicted of. He joins the forensics department to both learn how to investigate crimes, and study cases with unexplained elements, to prove his personal account of his mother's murder true, and ultimately, free his father. Barry is very intelligent, like Felicity, he is socially awkward, as he sometimes gets nervous and babbles.

Barry has good morals; for example, he does not like to lie about who he really is, like when he first met, Oliver, Felicity and Quentin Lance, and told them he was a forensic scientist, this was only because he knew they wouldn't take him very seriously if they knew he was only an assistant forensic scientist (at the time) when Oliver confronted him, after he found out who Barry really is, he did not try to deny it, but explained the reason why he did it.

Barry has a lot of respect for the vigilante known as the Arrow, when he found out that Oliver/the Arrow are the same person he is amazed, he also saved his life after he was injured by Cyrus Gold and consequently poisoned, despite the fact that he barely knew Oliver at the time, he also keeps his secret. Despite his respect for Oliver, Barry is not above standing up to him, like when he pointed out that Oliver was being a jerk to Felicity, though he said this in a respectable way.

Additionally, as said several times by Joe West and seen many times throughout the series, once Barry makes up his mind about something, makes a decision or sets his mind to something, it is impossible for anyone to talk him out of it, including Joe, Iris West and even his father, Henry Allen.

"Every kid dreams of being a superhero. Having powers. Saving people. But no kid thinks about what it's like when you're a hero and you're not saving people. Truth is...Not much else changes."
 * -|As the Flash=

- Barry on becoming a superhero



When Barry first discovered his new-found powers, he wanted to help people, like when he first tried to stop Clyde Mardon, someone unintentionally got killed because of his actions, and he lost his confidence, however, after getting advice from Oliver Queen, he regained his confidence, as his skills as a superhero improves, Barry becomes more and more confident.

Barry's sense of Justice has gotten stronger to the point of using his new-found powers not only to help people, but to also fight other meta-humans who would use their new-found powers for evil intentions. Including the meta-human who murdered his mother.

Barry is very stubborn and (apparently) isn't likely to learn from his flaws until experiencing them first hand, as seen during his training with Oliver, this prompted Oliver to show Barry a potential consequence of not surveying his surroundings before charging at an enemy by shooting him with two remote controlled crossbows.

However, this is proven to be untrue; as Barry is more than capable of learning from his mistakes, even if he does not experience them first hand; despite his stubbornness.

Despite his pride, unlike Oliver; Barry is not above apologizing or admitting when he is wrong, even if he doesn't like to do it in the first place.

Despite his dislike of crime and meta-humans who use their powers for evil intentions, killing and torturing his enemies is a line that Barry would never cross, as he criticized Oliver for torturing Klaus Markos to gain the location of Digger Harkness. He even stated that he does not use his bad experiences as an excuse to torture people in general who makes him angry.

Barry is selfless and honorable; for example, when he found out that his good friend Eddie Thawne was going to ask Iris to marry him, Barry did not try to stop this engagement, despite recently discovering future events; that Iris will become his wife, instead of Eddie's. Also, he pushed Patty Spivot away partly because he didn't want her to sacrifice her dream of being in CSI for him.

However, after Eddie sacrificed himself so that his descendant Eobard would have never been born and Ronnie Raymond had done the same so Central City could be saved, Barry's personality became slightly darker; he became more reclusive, distant and cold to his friends, as he broke up Team Flash and went the "Lone Wolf". He also began to doubt himself as a superhero as he couldn't have saved Eddie and Ronnie and even considered not going to Central City's Flash Day, but after being motivated by Iris, he decided to go and reunite Team Flash. Even with this, he still remains somewhat guarded, especially after being brutally beaten by Zoom, he became even more so, even in his love life, as shown with Patty to point that he let her go for her own safety and happiness.

Barry became less trustful of people, when Hunter Zolomon (posing as "Jay Garrick") claimed that Earth One was in danger by another speedster called Zoom, Barry did not believe it, even though most of his friends did, but this was mostly due to the fact that Jay reminded him of Eobard Thawne, he eventually overcame his suspicions and allowed Jay to train him to defeat Sand Demon, however, Barry's suspicions of "Jay" ultimately turned out to be correct, as he was later revealed to be the supervillain Zoom.

Barry began to show less concern for his enemies' well-being as he lured Atom Smasher into a chamber that gave him an overload of nuclear energy, which killed him, and solidified Sand Demon which again kills him, however, Barry probably didn't expect it would kill them. His killing of Atom Smasher was due to his strong belief he would harm others. However, he did apologize to Atom Smasher before he died as he felt guilt, care and remorse, while he felt none for Sand Demon's death; this is likely because the latter villain was a homicidal maniac who did nothing to try to avoid the death of innocents. Finally, he was willing to kill a reanimated and mindless Tony Woodward, but felt it as a mercy killing and said that despite them being enemies, he still wanted Tony to be at rest, while Tony was also already dead to begin with and his corpse was simply reanimated, meaning that he was not actually killing him.

However, when faced with the notion of having to kill Solovar in an effort to prevent them from invading Earth One, Caitlin asked him if he was willing to take a life, meaning that he may have not truly viewed himself as having killed his enemies since he did not kill them directly. He was even tempted to try and kill Grodd due to the threat he constantly posed towards Central City and his allies, while Iris and Harry convinced him to not risk losing his humanity to achieve victory. While fighting Savitar, he threatened to kill him after Wally West was trapped in the Speed Force and even attempted to kill him with a chokehold when he revealed himself as a future version of Barry. He was even tempted to kill himself to stop Savitar's creation, but relented when he was reminded of Eobard Thawne still being in existence despite the suicide of his past relative, Eddie Thawne. When stealing salvaged technology from the Dominators, he was prepared to kill King Shark, who was guarding it, using Leonard Snart's Cold Gun, until he was told that there was another way.

Barry is a forgiving individual, as after Eobard was erased from existence, it took him months before he finally forgave the latter for murdering his mother, and framing his father for his crime. He stated that no matter how much he hated Eobard, he couldn't bare hating him anymore. However, this hatred was apparently rekindled when Eobard's time remnant appeared, enough that Barry came close to beating him to death. Barry showed great outrage and disgust at learning that their antagonistic relationship in the future and Eobard's own hatred of Barry was because Eobard was jealous of the Flash and wanted to become better than him. After being forced to release Eobard from captivity, they both stated that they hated each other, with Barry being bitter at having Eobard murder his mother in the past to restore the timeline.

Despite his honorable ways and proclivity for pacifism in the face of deadly and often ruthless and sociopathic enemies, Barry does harbor some very disturbing and homicidal feelings towards some of his enemies in particular. These two being Zoom and the Reverse-Flash, due to their parts in the deaths of his father and mother respectively. After the capture of Eobard Thawne in the particle accelerator on the first occasion, Barry expressed an unhinged and blood-thirsty desire to kill him, even spitting with rage when he voiced this overwhelming need of his. This is in almost direct opposition to his normally restrained and merciful attitude towards his enemies. His desire to kill Hunter Zolomon may even be greater, due to how thoroughly Hunter had deceived Barry and his friends, and how Hunter tortured Barry by kidnapping his father and then stabbing him through the chest with a vibrating hand. All the while this death took place in the same room where, approximately 16 years prior, Barry's mother was murdered by Eobard. This replication of his mother's murder with his father profoundly affected Barry, and awakened a need for cold-blooded vengeance in him that he has never felt before, having had the pain of losing both parents in the same way, each to a deranged speedster, compound one another, tearing him apart emotionally.

Because of all the tragedy Barry had suffered and being unable to cope with it, he made a trip back in time, saving his mother, reforming the current timeline. Despite him seemingly recovering, Barry seemed to be trying to kill the Rival after he impaled Wally West in the back. The only thing stopping him from doing so was his memories fading away.

Once Barry realized how big a mistake he made once seeing Wally injured, he attempted to correct the time, yet was only somewhat successful. When Jay Garrick intervened in his attempts to correct the damaged timeline, he taught Barry that time travel must not be abused, and he must learn to live with his mistakes, instead always trying to undo them.

Although Barry does have guilt and remorse for his actions, especially if they have unintentionally hurt the people he cares about, at the same time, arguably Barry's greatest fault is his guilt for actions he believes that could have been stopped. Due to this, he has tried rectifying his mistakes by time travel, but has actually ended up causing even bigger problems than what he initially sought out to prevent. The most major example being the creation of Flashpoint, which drew in not only Savitar, but the Dominators as well.

Barry's heroic and peaceful nature hid a more complex and powerful set of emotions that he does not fully express but has always harbored on a subconscious level. While as both a civilian and the Flash or when pushed over the edge by enemies, Barry has been known to act on nearly 14 years of repressed anger and emotional stress. These emotions were obvious after being exposed to Roy Bivolo, voicing unfounded contempt for others unusual in Barry's usually calm nature and respectful attitude such as snapping at Joe for imprisoning and criminalising his father, speaking down at David Singh for his constant barking/disrespect and condescendingly voicing jealousy for the Arrow. Barry admits that after being cured that although it was Bivolo's doing, he did mean some of the things he said during his fight with Oliver.

After having sacrificed himself to and then six months later is released from the Speed Force, Barry's personality has changed drastically, though retaining some of his traits prior to being imprisoned in the Speed Force, he seems to be free from his tragic past as he moved on from his mistakes and parents' deaths and seemingly more happier than ever. While initially suffering from dementia or schizophasia, he seemed to recover from this state after hearing Iris was kidnapped by a Samuroid and later came to her rescue.

Due to his bad experiences with Eobard Thawne and Hunter Zolomon respectively, Barry is not fooled at all by an individual's ability to appear kind-natured, he suspected that Clifford DeVoe was a meta-human (after the Council of Wells informed him that the latter was the mastermind behind the bus meta-humans) despite the fact that he did not have a criminal record, his suspicions of Clifford increased when he and his wife Marlize lied to his superior officer David Singh, claiming that he was harassing Clifford (when in truth, he was only conducting the necessary investigation) even when every member of Team Flash believed that he was innocent - Barry's suspicions were proven to be correct yet again; regarding Clifford.

After Barry was framed by Clifford and Marlize for murder, he refused to reveal his identity as the Flash to the entire court (even though it could have exonerated him) this was because Barry knows full well, that it his superhero identity is revealed to the public, every single one of his enemies would not only come after him, but also the people he cares about.

Barry has displayed a greater sense of responsibility when it comes to his powers, immediately shooting down Jessie's idea to use time travel to stop a nuclear bomb, remembering from experience how dangerous and damaging it can be for everyone. Also he is more willing to be reasonable to turning down certain decisions, like accepting that Harry's idea to throw the nuclear bomb into the Speed Force was too risky to it, every speedsters throughout existence and existence itself.


 * -|As Green Arrow=


 * -|Flash of 2024=

In the supposed timeline that Eobard Thawne hails from, the Flash's history was very different. Having a simple childhood of growing up with his parents, Barry did not have to face the emotional stresses from the current timeline. Despite this, his sense of duty remained the same. He also still ended up with his childhood crush/best friend Iris, even getting married. His biggest change in becoming a superhero was that Barry gained his powers in the year 2020, when Tess Morgan and Harrison Wells successfully activated the S.T.A.R. Labs particle accelerator for the first time. According to Eobard and Gideon, in the future Barry became a veteran hero and a founding memory of a unknown but revered group. He also became the director of the CSI division of CCPD. He is respected by his nemesis, rivaling the Reverse-Flash at his prime in both speed and cunning. Despite their contrasting natures and Eobard's outspoken distain of him, the future speedster admits to wondering just which one of them was truly right.

In the future in which Iris dies, 2024-Barry's struggles left him in utter despair and isolation from others, due to the love of his life being killed by Savitar 7 years prior, which caused him to neglect everyone important in his life. Having already avenged Iris by imprisoning Savitar, the future Barry had no motivation left to continue his super heroics, resigning from it completely and spent most of his time in S.T.A.R. Labs, particularly in the time vault, looking at photos of Iris and him. After meeting his younger-self, he was reinvigorated with hope, becoming the Flash again and bringing his team back together. This future was later erased when Savitar killed H.R. instead of Iris.

Barry's time remnant, Savitar, possessed his original self's morals and value but also his painful memories and darkness within, as evidenced when infiltrating Team Flash by pretending to want to pay for his sins. However, after the death of Iris West, Savitar was shunned for being an aberration as he was not the true Barry, just someone to be disposed of. Broken and utterly alone, he wanted his pain to end but eventually came to the realization that "God" feels no pain; thus causing to aspire to be one in order to escape his torment but becoming a twisted individual as a result of this aspiration.
 * -|As Savitar=

Since then, Savitar had a developed a god-complex to the point that he demands that all other bow down and worship him because of it. He was also arrogant to the point of being delusional as that the only thing that required him to become a god was to make enough people believe in him as one. To those who do view him as a god such as his cult of followers, Savitar seemed appreciative of them enough to aid them in time of need. Savitar is also egotistical, as he reveled in his status as the fastest speedster in the multiverse but at the same time he had a measure of insecurity related to other powerful speedsters to the point that he supposedly challenged so that they could no longer pose a threat to his power.

Savitar was also ruthless in his actions to the point of cruelty, as evidenced by his murders of the CCPD officers and his treatment of the members of Team Flash. Savitar's treatment as an aberration had caused him to hate them for abandoning him; which caused him to become who is now in the first place. Savitar, in particular, hated his original-self, going so far as to state that Barry is the villain; he initially never sought conflict with Barry but was the only one to ever truly lose anything as a result of their conflict with one another. Savitar also feels that his original-self had everything yet deserved none of it, indicating that on some level he desired his original self's life for himself.

While not wearing his suit of armor, Savitar is shown to have a somewhat calm demeanor and even shown to make jokes, albeit in an attempt to mock his opponents. One example of such is when Barry discovered his true identity, Savitar made a comment about, how it's almost like looking in a mirror, and that how he had outgrown Red (his former suit's color). Another such example is when Caitlin points out that his suit really makes him look like a God, who responded with a smile and said to dress for the job you want.

In spite of his hatred for his original-self, Savitar does seem to have a degree of empathy left inside him. He empathizes with Barry for all the suffering Barry has endured so far from losing his parents. Additionally, he showed empathy toward killing Iris, due to memories of love he has for her but ultimately chose to try and kill her to ensure his own existence. Additionally, Savitar firmly states he has always been with Barry from the very beginning, as he refers to himself as Barry's own worst enemy and his innermost demon; something Barry admits to being true.

Powers and abilities
"I've spent my whole life searching for the impossible, never imagining that I would become the impossible."

- Barry Allen to Oliver Queen

Powers

 * Speed Force connection/Meta-human physiology: Barry's powers come from a connection to the Speed Force, gained when struck by dark matter lightning and exposed to various chemicals. This altered and supercharged his DNA, cells, and neurotransmitters, augmenting his physiology. With his bones, joints, and tissue all enhanced, he obtained a lean-muscular frame well-beyond peak human condition to easily handle the rigors of his powers. This includes resisting high-level friction, inertia, air pressure, reduced oxygen, vectors and kinetic impact. After regaining his powers from inside the Speed Force, his connection to and understanding of it increased considerably. With a new-found instinctual control and efficiency, Barry can perform more advanced abilities and improved his natural performance for much longer unhindered. After six months in the Speed Force, all Barry's capacities developed to exceedingly potent levels, reaching the highest known performance.
 * Accelerated healing factor: Barry's molecules move at accelerated rates, mending damage far quicker and more efficiently than normal humans. Without treatment, most damage heals in hours if not minutes with no lingering signs. Even normally permanent damage, like paraplegia, is completely repaired in days. His body can break down food more efficiently than a regular human and, as a result, expels very little waste products that he can exhale through his skin. He recovers from in seconds if not is immune to any illness or contaminant. He even has a greater resilience to radiation, only suffering minor burns. 2,000 milligrams of horse tranquilizer only momentarily slowed him down until his body burned through it. This also enhances his vitality, drastically reducing his aging process while extending his health and longevity; in a potential 2024, Barry looked exactly the same as when first became the Flash.
 * Bodily vibration: Barry can vibrate his body for various effects. This can mask his form from being clearly perceived or distort his vocal cords to disguise his voice. His vibrations can forcibly expel any toxins in him. He can also generate enough heat to recover and stay thermally insulated from extreme cold. Offensively, he can vibrate his limbs to seamlessly grind through highly solid targets, which he can use to harm or kill a person, as he was tempted to do to Zoom and the Reverse-Flash. Alternatively, he can use this as a weapon by passing his punch through a person's body, incapacitating them as he did against Solovar. During his final fight against Savitar, Barry's efficiency could simultaneously shift the time remnant out of his armor and encase himself in it. He can also pass through one target while simultaneously making harmless contact with another.
 * Intangibility: By vibrating his molecules at the frequency of air, Barry can physically pass through solid matter, even highly complex matter like carbine while in a universe of a different vibrational nature. He do this with multiple targets, saving an entire moving train and hundreds of passengers. He can also harmlessly pass through living individuals as he did to escape Atom Smasher's grasp.
 * Invisibility: Barry can vibrate his body so fast that that he can no longer be perceived by the human eye. When Clifford DeVoe trapped Barry in a force-field prison that prevented the latter from phasing through it, Barry did this in order to "trick" Clifford DeVoe into releasing him.
 * Seismokinesis: By vibrating at varying frequencies and with different levels of force, Barry can create small tremors to induce extreme amounts of jolt on any target he touches, even disrupt the inter-molecular bonds and cause it to shatter. This can lead to many effects such as molecular combustion upon physical contact with the target. His vibrations can even shatter targets into fragments, as he did to Savitar's armor once inside it.
 * Electrokinesis: Barry can produce yellow electricity, his Speed Force energy, from his body. It is commonly seen when running. While mostly used to boost his speed to higher levels, it can be used in other ways. The intensity of it can interfere with the surrounding electronics and overwhelm electric-absorption, as seen from Blackout. He can focus the energy into specific body parts to produce a strong static shock on contact with the target. Taught by Hunter Zolomon, Barry can harness this electricity to repeatedly hurl lightning bolts to stun or repel enemies, and also electrify a surface. Barry can also absorb electricity from other sources, giving simultaneously giving him an extra boost when running or throwing lightning.
 * Speed Force sharing: Barry can expand his Speed Force aura to protect others he carries while moving at super speed. Taught by Jay Garrick, Barry can siphon the speed energy from another speedster to bolster his own speed. After escaping from the Speed Force, gaining a greater a understanding of his power, he can use it in more passive means. By touching others, he can share his energy, letting them move, think, and heal as fast as himself, as this let Jesse recover immediately from a coma. By channeling enough energy, he can share his speed with others, letting them independently move as fast as speedsters without exhausting or affecting their own powers, until they burn through the borrowed energy. Barry is currently the only speedster known able to do this, attributing this spending five months in the Speed Force.
 * Superhuman strength: Barry's physical strength has been heightened beyond peak human capacities, greatly belying his slim built, allowing him to be able to carry multiple people at once while speeding away with them. When charging his momentum, he could smash through machinery with his bare hands or send opponents flying through the air without first running. He can even stop a moving car unaided.
 * Superhuman durability: Barry possesses inhuman resilience, most commonly seen from being unaffected by momentum build-up. He can take attacks and exertion, even survive impacts that would easily kill normal humans. While not invulnerable nor immune to pain, he withstood powerful lightning bolts, concussive shock waves, sonic blasts and inhumanly strong strikes, only being momentarily stunned. After regaining his powers, his resilience increased, quickly rebounding from zombie-Girder's blows, who previously seriously injured him in a single blow. Barry can also remain almost unharmed when falling from certain heights that would easily kill a normal person. During the Earth-X invasion, Barry blocked bullets with his arm and took no damage.
 * Superhuman mental process: Barry's powers also make his system and thought processing able to take in and retain information just as fast and efficiently. Even while using his raw speed, he can clearly think, react to events, and perform actions long before normal humans can perceive them. This lets him learn in a small fraction of the normal time, able to read and familiarize himself with Earth Two science within seconds. After six months in the Speed Force, Barry's brain activity became over five times faster than it had been previously.
 * Superhuman perceptions: Barry's senses are also enhanced. This allows Barry to perceive the world as if it is nearly frozen. He can see and hear normally, even while moving at speeds faster than sound, where this would normally be impossible. Barry became able to easily perceive the attacks of other powerful speedsters. This heightened alertness enables him to instantly read and adapt to the situation. His perception of time, however, seems to vary by his emotional state, as in one instance, when he was waiting to check out from work, he described it as feeling as if it were hours away, while in real time it was merely minutes.
 * Superhuman speed: Barry can move at such vast speeds; Eobard Thawne claims Barry's speed is potentially unlimited. He can run across vertical structures and ceilings, over stretching seas, effortlessly catch speeding projectiles, complete his various daily activities in seconds, and even casual walking can go unnoticed by normal people. While reaching Mach 3.3 on his own and later Mach 13.2 from tachyons, since increasing his Speed Force connection and ability to store-up its energy, Barry has grown tremendously faster. Even when weakened in the Flashpoint timeline, he was able to decisively beat the Rival. After six months trapped in the Speed Force, his speed reached levels far exceeding all other known super-fast beings, even going too fast for fellow speedster Wally to follow and only Reverse-Flash able to keep up.
 * Superhuman agility: Barry has demonstrated flawless coordination, equilibrium and dexterity. He can change direction with immediate sharp turns without sliding or losing balance and instantly stop running on the spot. He can jump and run along falling debris and launch himself tremendous distances without build-up.
 * Superhuman reflexes: Barry's reaction time is augmented to superhuman levels, allowing him to react to danger and events far faster than normal humans. When shot in the neck on his blindside, Barry caught the bullet and minimized the damage before it could fully penetrate his skin. He also became able to easily react to the attacks of other speedsters.
 * Superhuman momentum: Barry can generate great amounts of physical force through kinetic energy, simulating superhuman strength, even in a stationary position. Even little exertions from this build-up can generate tremendous, able to knock a person out. He can propel himself to jump tremendous heights and distances. He can also create substantial frictional force with any object he touches, and exert enough force to hurl people into the air. This seemingly negates the weight of his target, able to move about as if targets are frozen, even in mid-air. This also lets him propel and manipulate the targets' flight path, including launched bullet with no loss of force and hurl them through a powerful barrier, followed by a person. He can completely remove the physical force from massive tidal waves, stabilize a giant singularity, or dispel F3 tornadoes by running around them. He can also snap his fingers to ignite flammable gas with the friction. After escaping the Speed Force, Barry can generate enough force to break down the natural durability of a target, as he effortlessly shattered his way out of his meta-human cell.
 * Aerokinesis: Barry can use his speed to generate air flows on various levels and for various effects. He can create vortexes to suffocate people or extinguish fires by forming it around them. He can create large and strong tornadoes, able to repel massive targets. Alternatively, he can use this skill to propel himself through the air as a pseudo-form of flying. Later, Iris taught Barry, from her own experience as a speedster, to use this build-up to gather and direct enough water into a tidal wave capable to disperse a giant fire cyclone of over 6000 degrees Fahrenheit. With enough momentum, he can generate a powerful sonic boom through his punch able to destroy a crashing satellite.
 * Interdimensional travel: Barry can move fast enough to break open portals between dimensions, allowing him to travel to different universes. If desired, Barry can also bring others with him as he did with Harry and Cisco to Earth Two. While originally he could not consciously control this, as his first solo use was done by accident and required assistance to return home, after greatly increasing his Speed Force connection, he can break open portals of his own accord and consciously chose his destination, even into the Speed Force itself.
 * Speed mirages: Barry can generate illusions of himself to make it appear as if he in many places at once, when in reality he is simply bouncing back and forth too fast for the human mind to perceive the difference. He can create dozens of after-images, allowing him to disorientate his enemies and then catch them off guard.
 * Temporal dilution: By generating enough energy, Barry can move so fast that time essentially slows down relative to him, to a complete standstill. However, he must continuously concentrate on this action as losing such focus will gradually speed back up again before ultimately returning to its original flow. He can pull others into this state, however, non-speedsters will quickly tire from it as their bodies aren't accustomed to moving at such great speeds. Other speedsters can also remain unaffected by this even provided they retain enough stamina to expand their Speed Force energy. Also, while running around the Earth in the opposite direction at Mach 7, they can generate enough centrifugal force to slow the Earth's rotation and time itself.
 * Time travel: Barry's speed can breach the temporal barriers, letting him enter different points in time. While originally only accessed by accident when under extreme stress, Barry learned to use it at will and arrive at a destination with pinpoint accuracy. He can do this in one of two ways; either enter timelines independent from himself and unaffected by his travels or perform a time do-over, wherein he "merges" with his temporal counterpart to be fully immerse in the timeline. Regardless of the changes he makes, Barry's powers allow him to retain all memories of the previous timeline in addition to the new timeline and differentiate between them. Even if Barry is not responsible for the time alterations, he can still remain somewhat unaffected by it; as he remembers that John Diggle and Lyla Michaels had a daughter instead of a son in the original timeline.
 * Time remnant construct: Barry is able to "create" a time remnant by traveling back to moments before his current-self time travels, hailing from a future that no longer exists. This allows Barry to be two places at once, enabling him to interact with the world for two separate actions simultaneously. If desired, Barry can create dozens of time remnants at once.
 * Superhuman stamina: Barry can handle the stresses of extreme racing without noticeable distress, letting him function much longer than normal humans unhindered. His enhanced stamina is due to his augmented physiology, which builds up little to no lactic acid or fatigue toxins. Even after running from coast to coast of the country to pick up a pizza, Barry remained unfazed from the prolonged running. However, while his stamina is greater than most speedsters, Barry's reserves are not inexhaustible. Extreme and extended uses of his more advanced powers will eventually drain him.

Alternate future powers

 * Invisibility: Due to Savitar being imprisoned in the Speed Force and the Philosopher's Stone, he was unable to be perceived by anyone who was not also connected to the Speed Force. Cisco Ramon was able to see him in one of his vibes, due to Savitar having already escaped from the Speed Force. However, after the rest of the Philosopher's Stone was thrown in the Speed Force which then led to him being freed from the Speed Force, Savitar was no longer invisible to Team Flash, as evidenced when he showed up on Team Flash's surveillance camera.
 * Energy absorption: Using his suit, Savitar was able to absorb copious amounts of energy and redirect it from his suit, as white energy. This was demonstrated when Jesse Quick threw a lightning bolt at him, and Savitar merely absorbed it and redirected it back at her.
 * Philosopher's Stone connection: As Savitar in a potential future, Barry traveled back in time to locate the Philosopher's Stone, a powerful artifact made of calcified Speed Force energy, and established a connection to the Philosopher's Stone.
 * Speedster weapons immunity: The Philosopher's Stone, while connected to Savitar, immunized him from weapons that could affect speedsters who drew power from the Speed Force. While wielding it, Savitar was protected from being trapped in the Speed Force itself. The Stone also protected him from being re-imprisoned in the Speed Force a second time.
 * Possession: Once establishing a strong enough connection to a person's mind, Savitar was able to completely overshadow their actions, turning them into his unwitting pawn, and possess them, as he did with Julian Albert to turn him into "Alchemy", and enabling them to wield the power of the Philosopher's Stone.
 * Telepathy: With his connection to the Philosopher's Stone, Savitar was able to manipulate others' minds. He could telepathically communicate with them and project illusions that only they could see. This power could still be used even while sealed away in the box. However, it was considerably weakened, as he could only prey on a person's insecurities, such as creating illusions of their lost loved ones, to con them into releasing him.
 * Power bestowal through recognition: The Philosopher's Stone could even return the powers of individuals who had been wielding them during the Flashpoint timeline. While in Flashpoint, he was unaware of some meta-humans, like Magenta and Shade, but somehow gained knowledge of them. It would appear that the Stone bestows meta-human powers to those who had powers in alternate timelines.

Abilities

 * Artistic: Barry is a proficient sketch artist, able to accurately draw a picture of Vandal Savage's face.
 * Cooking: Barry is skilled in cooking, having made fancy meals for himself and Iris.
 * Dancing: Barry is a talented dancer, especially in ballroom and tap, as seen in Music Meister's movie musical reality.
 * Singing: While quite modest about this skill and not always a fan of performing, Barry is an excellent singer. His karaoke performance at a bar attracted the attention of Linda Park. Barry was also able to pass as a lounge singer in Music Meister's reality.
 * Genius-level intellect/Expert tactician/Leader: A keen-minded individual, from a young age, Barry quickly displayed a natural understanding and quick capacity to learn, making it hard for his foster-father Joe to help him with his homework by age 12. Barry is able to remember everything he experiences with perfect recall. When he saw the Reverse-Flash for the first time in 14 years, he immediately recognized him as his mother's killer, despite being only 11 years old at the time. With this, he can remember key factors that are otherwise overlooked to better handle situations. Barry's knowledge and skill in chemistry is very advanced, as seen when he was terrified at how certain dangerous chemicals were stored at a lab at Queen Consolidated. He was able to cure Oliver Queen using only a small amount of rat poison and consequently dosed with a blood coagulant. He also created a compressible micro-fabric green domino mask for Oliver to conceal his identity more effectively without affecting Oliver's sight and aim. Barry's knowledge on physics possibly ranks among the best on Earth One and Two as he was able to apply a new-found science and figure out how to close the various breaches between worlds. As a CSI, Barry is a highly skilled forensics examiner. From a single glance of the crime scene, he can quickly determine much of the events that transpired. Barry has repeatedly been able to quickly analyze any given data and quickly form accurate theories on the given situation. With the Arrow, Barry correctly determined the Arrow's training background from his green attire, and that the Arrow has at least one accomplice. When the rest of Team Flash still remained clueless to the true identity of Savitar, Barry managed to put everything together from the various things the evil speedster said, ultimately concluding that he was in fact a rogue time remnant of himself. While investigating Clifford DeVoe, Barry could gather information and correctly deduce how he operates. Additionally, something he learned from Oliver, Barry is able to analyze environments and predict every inch of it. Barry is also very well-read, greatly impressing the award-winning Professor Martin Stein. After Eobard Thawne was defeated, Barry was able to keep his team together and lead it well. Even more, Eobard (as Harrison Wells) made him the new owner of S.T.A.R. Labs. He is also a quick study and sharp memory, as after reading through the various Earth Two advances in physics, he instantly began making effective use of this knowledge. Barry can communicate with the 5x5 tap code which he did with Jay Garrick on Earth Two when the latter had a mask on preventing him from talking. After receiving the speed equation from Eobard Thawne, Barry gained great intelligence about the Speed Force and it's usage. After regaining his connection to the Speed Force, Barry gained an even greater understanding of it's nature. Furthermore, he knows how to nullify another speedster's power as he did to Eobard for three months, which he may have learned from Zoom's prison. Further tutelage by Jay Garrick of Earth Three also gave him greater knowledge of the lore, history, and legends of the Speed Force.
 * Computer specialist: Barry is adept with computers, as he was the only one who could write an algorithm to find Livewire that monitored the electrical manipulations to the network that her powers cause.
 * Expert engineer: Barry has very advanced skill in technology. He was skilled enough to recreate from memory a variation of the earpieces used against Hartley Rathaway to help himself and Supergirl confront the sonic-powered Silver Banshee. He was also able to build a prison from which the Reverse-Flash couldn't escape. In one possible future, Barry creates Gideon, a very sophisticated artificial intelligence unit with a system so complicated that even Cisco had no idea of how it works. Barry is very skilled with crafting and building, having spent weeks personally repairing Central City after the damage caused by the singularity of Eobard Thawne. He was also able to build a carbine cell to imprison Eobard.
 * Bilingual: In addition to English, after 6 months in the Speed Force, Barry subconsciously learned a strange language he would scribble in at all opportunities when he came out. However, he didn't know what that meant after returning to his normal-self.
 * Skilled deceiver: Despite sometimes being awkward at certain times, Barry can be deceiving. When he went back in time to find a way to get faster, he kept acting like his past-self around everyone and even when he was busted by Eobard Thawne, Barry made the latter believe he was able to achieve his goal mission of returning to his own time, when in truth, he had actually been erased from existence.
 * Expert combatant: While not having much training in unarmed combat, Barry's Superhuman speed, agility and reflexes, combined with his intelligence, makes him a formidable opponent. He was able to fight on par with Oliver Queen, despite the latter being much more experienced in unarmed combat than Barry. However, through his various battles, Barry continued to improve his combat skills, becoming a highly proficient combatant in his own right; as he decisively defeated fellow speedsters like Hunter Zolomon and Edward Clariss even while weakened by Flashpoint. Barry was also able to hold his own against the then-faster Savitar, countering and landing some effective blows. Barry was also able to take out two A.R.G.U.S. agents without his powers. A defining show of Barry's improved skill was him defeating Reverse-Flash during the Earth-X invasion, who in 2015 repeatedly pummeled Barry, however, it should be noted that Barry was not as fast as him at the time.

Alternate reality abilities
After having his entire past and identity swapped with Oliver Queen, Barry obtained all of Oliver's skills as a vigilante.
 * Peak of human physical condition: Barry is in excellent shape, sporting a well-muscled built. He is resilient enough endure superspeed punches from Oliver as The Flash. His body is also well-conditioned to effectively dislocate joints and reattach them to slip through confines.
 * Acrobatics: Barry is capable of scaling buildings, and running from rooftop to rooftop with ease. He is maneuverable and graceful, able to pursue and outrun a target in various types of terrains with no wasted motion or loss of time. His skills allow him to fluidly dodge and attack from different directions and perform intricate flips without losing balance.
 * Master combatant/Martial artist: Barry is an extremely formidable fighter. He can effectively change his battle tactics and attack patterns to suit the situation at a fast rate, allowing him to take on and defeat multiple fighters of advanced fighting prowess.
 * Master archer: Barry's archery skill can precisely hit targets from great distances. He can shoot objects off of people without harming them and retain his accuracy even whilst he was in rapid movement. He can also anticipate an enemy projectile to block it with an arrow and fire multiple arrows at once.

Alternate future abilities

 * Master tactician/Manipulator: In his avatar as Alchemy, Savitar convinced Edward Clariss and other reborn meta-humans to become agents of his will. He was also able to advise and keep in line the rebellious Magenta. As Alchemy, he spoke to his cult members, leading them together to believe that he is a deity. Barry himself manipulated Julian Albert and later Cisco Ramon to release him, using their own feelings against them. He was also able to trick Team Flash into getting the Philosopher's Stone into the Speed Force and get Wally West to take his place as a prisoner of the Speed Force to free himself.

Weaknesses

 * Cold temperatures: Because speed is produced by a build-up of heat in the target's atoms, Barry is vulnerable to extreme cold temperatures. Under these conditions, Barry's speed will be greatly reduced. Also, direct exposure to such cold will temporarily stunt his healing capacities. However, since learning to regulate his body temperature with a build up of energy, he has a much higher resilience to cold.
 * Force fields: Barry has a much greater difficulty phasing through force fields.
 * Hyper-metabolism: While moving at accelerated speeds, Barry burns calories much faster than a normal person. While breaking down food far more efficiently, it requires him to consume large amounts of nutrients. Continued usage of his speed while deprived renders him disoriented and weak before ultimately passing out from low blood glucose. Also, he is unaffected by sedatives as he burns through them too quickly to have any affect. He also cannot experience a buzz as even 500 proof alcohol only intoxicated him for a few seconds. After naturally increasing his connection to the Speed Force, his performance noticeably increased, requiring much less nourishment in-between his meta exploits.
 * Kinetic energy absorption: Because Barry's abilities are derived from movement, the removal of the kinetic energy he builds up will leave him in a state of temporary paralysis. However, if he can build back up enough kinetic energy within himself, the effect can be negated instantly.
 * Power-dampening tech: Initially, Barry's powers can be weakened, even neutralized, by specially designed tech that affects his resonance field. Later, after spending six months inside the Speed Force, Barry's massive build-up of Speed Force energy made his powers highly resilient to such tech, as he instantly smash his way free of a cell in the pipeline. However, certain meta-powers and more advanced tech can still weaken him, as an upgraded B.O.O.T. slowed him down considerably. It is very likely that if he had spent more time in the Speed Force, Barry become completely immune to such tech, even ones that are very advanced.
 * Time alterations: While Barry's speed can break through the temporal barrier, it is not without drawbacks. In addition to potentially causing unforeseeable, damaging changes to the timeline, such reckless actions can alert the Time Wraiths. These temporal guardians become instinctively drawn to the careless speedster, driven to capture him and draw the person into the Speed Force. Also, using his powers in a timeline where he didn't actually acquire them will gradually deplete them and make him lose his memories of the timeline where he gained his powers.
 * Cicada's dagger: Cicida's dagger has the power to disable and negate the superhuman powers of all meta-humans or extraterrestrials, rendering them mortal.

Former weaknesses

 * Electricity absorption: Barry's unique biology causes his body to produce massive amounts of electricity, which charges his molecules to allow for his accelerated movements. Should Barry be drained of this electrical energy, he will lose his powers. However, as this power is genetically coded into his DNA, he can potentially regain his speed by using more electricity to jump-start it. Once his powers have been "jump-started", his powers will become stronger than they'd previously been, and such attempts to drain the electricity that his body produces are more likely overload the source than disable his speed.

Alternate future weaknesses

 * Philosopher's Stone connection: At some point, the future Barry known as Savitar was defeated by the original Barry when the Philosopher's Stone was sealed away in its box. Savitar could only maintain his presence in the world while the Philosopher's Stone was in contact with the world outside of its containment vessel. However, after Savitar escaped the Speed Force, the Stone ceased being a problem.

Equipment

 * The Flash suit: Barry wears a protective suit as the Flash, to hide his identity when fighting crime, it was designed by Cisco Ramon. The suit is made out of a reinforced tri-polymer and is heat and abrasive resistant, organically designed to replace firefighter turnouts. It was re-purposed to help protect Barry from the vigor's of his speed and survive certain environments. It was also upgraded with various features including sensors to track Barry's vitals, location, power output, speed level, and to stay in contact with S.T.A.R. Labs.
 * Flash ring: Given to him by his future daughter, Nora West-Allen, Barry now utilizes a ring to store and summon his Flash suit. The ring also bears a lightning bolt symbol on it; similar to that sported on Barry's Flash suit.

Former equipment

 * Tachyon unit: After traveling back in time, Barry convinced Eobard Thawne to give him the knowledge of how to produce a Tachyon unit, amplifying his ability to absorb the Speed Force into his system. When using his speed while wearing the device, it also gives Barry the extra benefit of lowering his calorie burning rate to a normal level, allowing him to keep moving longer without drawback. However when Earth Two Harrison Wells later "miniaturized" the device to fit securely beneath the Flash emblem on the suit's chest by using the Speed Force transmitter, this device became useless.
 * Speed Force transmitter: While testing the tachyon unit, Barry felt some limitations to the machine despite its benefits. Because of this, Harry redesigned the Speed Force transmitter to transfer the tachyons directly into Barry. With its smaller design, it can be concealed under the Flash suit's chest emblem. It also retains all the tachyon unit's benefits with the addition of letting Barry act with less movement restriction and without being weighted-down. It was presumably destroyed when Harrison attempted to restore Barry's powers. Due to his Speed Force connection being enhanced, Barry was able to beat Zoom without it.
 * Voice filter: After Barry temporarily lost his powers he became unable to naturally disguise his voice. To compensate while talking to Wally West, he was given a voice filter similar to Oliver Queen's. It's unknown whether the device was removed from his suit after he regained his powers, or if it's still inside the suit in case Barry loses his powers again.

Alternate reality equipment

 * Green Arrow suit: After swapping bodies with Oliver Queen, Barry wore the Green Arrow suit during his time as Oliver.

Alternate future equipment

 * Savitar getting out of his armor.pngArmor: Upon gaining his remarkable speed, Savitar also gained a full-bodied suit of armor that is massive in size and demon-like in form and generated white lightning when he used his speed. . The armor was later temporarily worn by present Barry when he phased into it and beat down Savitar, nearly taking his life. He destroyed the suit from the inside to prove to Savitar that he is nothing like him. Acting as a mechanized battle-suit, it opened from the backside. It possessed a thick, retractable spike mounted on each wrist and seemingly was able to disguise his voice. While in the suit, Savitar's normal yellow lightning turned white.
 * Cold resistance: The armor protected him from Caitlin Snow freezing him solid, as he was able to instantly burst out of it unfazed and ran away.
 * Hidden blades: Savitar's armor possesses retractable blades in its wrists as melee weapons.
 * Armor retraction: Should any part of his armor be broken off, it can immediately be drawn back to him from any distance, to the point where any broken off pieces can be telekinetically summoned back to the rest of the suit if it is close enough.
 * Voice filtering: Savitar is able to disguise his voice so as to not be identified as a megalomaniacal version of his past self. It is unknown if this filter is exclusive to the armor, as the same voice was used when he spoke through the people he possessed.
 * Advanced durability: The armor itself is extremely resilient and enormous durability, enough that Joe West's bullets and shots from the Mercury Labs Energy Rifle ricocheted off him harmlessly. He also takes nearly no damage when The Flash or Wally West attacked him, although he was shown to feel pain when The Flash severed his arm blade with his vibrating hand and Jesse Quick stabbed the armor with the severed arm blade. However, as his suit has been shown to be removable, it's possible that was a reaction to discomfort. So far, he has only been damaged by weapons made from its own material.
 * Advanced strength: The armor's size, mechanized parts and material give it great strength, allowing him to effortlessly lift, drag and send people flying through the air with one hand. Even when his briefly lost his memories and, therefore, forgot his powers along with the original Barry, he retained his strength due to his suit, allowing him to lift Caitlin Snow against a wall with one hand. While operating without Savitar being inside it, the suit managed to throw Barry several feet and briefly pin him down with its foot before the speedster forced it off him.
 * Mental connection: To a certain degree, the armor can move and attack on its own, should Savitar be attacked out of his suit, though it is unable to use his speed.
 * Philosopher's Stone: Barry went back in time and discovered this artifact long ago, using it to hire new meta-humans, and also to further enhance his power. He used this artifact up to the point of being defeated and trapped in the Speed Force within it by his original self until he was able to use it to escape his imprisonment. Barry was able to use the stone preventing from the Speed Force bazooka from trapping him in the Speed Force again. The stone was later destroyed.

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Trivia

 * Barry idolized Dr. "Harrison Wells" so much he paid for his autograph and read his autobiography twice.
 * According to Barry's Facebook profile, one of his favorite songs is Lady Gaga's "Poker Face".
 * Barry's favorite pizza is pepperoni, olive & jalapeño.
 * As a child, his favorite food was macaroni and cheese.
 * Barry's favorite candy bar is a "Chocolate Nougat", which he made a molecular structure of in the 6th grade.
 * Barry wanted to be an astronaut growing up, according to Joe.
 * Barry and Cisco Ramon have watched Star Trek II: The Wrath of Khan together multiple times. At the end, Cisco always says to Barry, "I have been and always shall be your friend".
 * He enjoys musicals.
 * Barry's driver's license in says that his height is 6'2". However, it's mentioned in  that his height is 6'1".
 * According to Iris, Barry was a huge fan of Dragon Ball Z in high school and was even a member of the anime club.
 * Barry was also part of the science, astronomy, yearbook, and Key Club.
 * One of Barry's favorite shows is Game of Thrones.
 * Barry's favorite dessert is two scoops of cookie dough ice cream with extra sprinkles from the Mason Family Ice Cream Shop in Happy Harbor, Rhode Island. Barry's parents often took him to this shop when he was a kid.
 * As of, Barry has been late to work 72 times.
 * reveals that Barry doesn't believe in magic and that he and Wally possess the ability of speed talking.
 * Barry is the first character to discover that Oliver is the Arrow (or Green Arrow) in his first appearance. Other characters are Carter Hall, Connor Hawke, Grant Wilson and Nate Heywood.
 * Despite his aversion towards intense violence and killing due to past experiences with his mother and with the Arrow, Barry has occasionally had to kill his enemies due to not having any others options to safely contain them at the time. His victims include Al Rothstein of Earth Two, Eddie Slick of Earth Two, and Griffin Grey. Though, as noted by Hunter Zolomon, Barry has never deliberately killed anyone with another choice unlike Oliver. In addition, during the final battle in the Crisis on Earth-X crossover, Barry has Eobard Thawne/Reverse-Flash pinned against a wall, threatening to phase his hand through the latter's chest. Thawne urges Barry to kill him, but then says,"Oh, I forgot, Barry Allen is above killing." As Thawne expected, Barry did not kill him in this instance, and instead simply instructs him to "get out of here".
 * Barry is right-handed.
 * In The Legion of Doom's rewritten reality, Barry was killed by Damien Darhk or Eobard Thawne or one of his two hitwomen, Amaya Jiwe and Sara Lance. His suit's emblem and headpiece were put on display in a cabinet in Damien's office, along with the masks of several other vigilantes.
 * Barry has appeared in almost every series within the Arrowverse at least once, including Supergirl, which takes place on Earth Thirty-Eight. The only show where Barry does not appear is the retroactively added Constantine.
 * The only other character to achieve this is Cisco.
 * Technically, Kara has also achieved this, though her appearances on Arrow and Legends of Tomorrow are due to crossover events. However, she was not present for the web series Vixen, leaving her one series behind Barry and Cisco.
 * Barry had four love interests, as listed in order: Iris West, Felicity Smoak, Linda Park and Patty Spivot. Additionally, Stacy Conwell, Caitlin Snow and Becky Sharpe have all expressed fondness for him. Barry also kissed Earth Two Iris several times while pretending to be his Earth Two counterpart, mostly to not blow his cover.
 * Barry's favorite color might be red, as in the Season 1 episode, Henry states to Barry "You always did look good in red", and as it is also the color of his suit. Furthermore, before Iris knew Barry was The Flash, she asked him, in his Flash persona, what his favorite color was, but then quickly assumed it was red due to the color of his suit.
 * Barry is currently one of the two main/lead characters to have been to five different known Earths; Earth One (where he lives), Earth Two, Earth Three, Earth Thirty-Eight, and Earth-X. The other individual to achieve this is Cisco, having visited all of the same Earths Barry has. Cisco has additionally traveled to Earth Nineteen on at least two occasions.
 * According to Cisco Ramon, there is no prison that can hold Barry; this implies that power-dampening tech has no effect on Barry's powers; due to him spending six months inside the Speed Force. However, the upgraded B.O.O.T. was shown to still be able to slow him down considerably.
 * Barry is portrayed as an only child in most versions of the Flash story, including the Arrowverse. In some comic book storylines, it's revealed Barry has a twin brother, who was said to have been stillborn. However, the doctor who had delivered the boys had been covering his tracks as there was a baby born to the Thawnes the same day as the Allen twins. That baby was strangled by its umbilical cord and the doctor was too intoxicated to save it. Instead, he took the second Allen child and gave him to the Thawnes, lying to Henry and Nora that Barry's twin died. Malcolm Thawne would later become the villainous speedster, Cobalt Blue.
 * It is worth noting here that Eddie Thawne, Eobard’s ancestor, was seen wearing a necklace similar to Cobalt Blue’s when his body was sucked into the Singularity.
 * The idea of an original timeline where Barry became the Flash in 2020 rather than 2014 is a continuity error created by Thawne. In the season 1 episode, Thawne tells Harrison that he and his wife Tess successfully activated the particle accelerator in 2020 but in , a time remnant of Eobard is shown meeting Harry, Cisco and Caitlin for the first time. Harry and Martin Stein even point out that this is how he found out about everyone and knew who to hire to build the particle accelerator.
 * Barry and Iris got married on November 28, 2017.
 * When Barry lost his memory in, he inquired whether he went by "Bart" instead of "Barry". Also, in , Quentin Lance mistakenly called Barry "Bart Allen". These are possible references to the DC comics character Impulse, who is Barry and Iris' grandson in the DC comics.
 * Barry's middle name, Henry, most likely comes from his father's first name.

Behind the scenes

 * In the DC comics, Barry Allen was the second hero to be known as the "Flash". He primarily operated during the so-called "Silver Age" and "Bronze Age" of comics, before sacrificing himself during a crisis to save his universe. In the current Prime Earth continuity, Barry Allen is once again the main Flash, although other characters, like Wally West, have recently returned.
 * Barry is also a founding member of the JLA, Justice League of America.
 * Barry tends to be late for everything, a homage to the fact that in the DC comics Barry would be late for everything to keep his identity as the Flash a secret, though in the shared multiverse it's just because he is unlucky.
 * The original DC comic book version of Barry Allen has blond hair and blue eyes, whereas the Barry Allen in Arrowverse has dark brown hair and hazel eyes.
 * In the DC multiverse Barry Allen is the second person to take up the superhero mantle of the Flash, after Jay Garrick.
 * Just like his DC comic book version, Barry has a hyper-accelerated metabolism and must regularly take in a very high caloric intake to avoid losing energy and passing out. To remedy this, Cisco Ramon creates a very calorie-dense series of protein bars for Barry to eat in order to avoid hypoglycemia, apart from these he also eats about 30 meals of Big Belly Burger and large pizzas.
 * Despite Barry's Flash suit being red, when he runs at high velocity speeds, the electricity that radiates off of him is actually yellow not red, another homage to the DC comic book Barry Allen.
 * In the DC comics, Barry got his powers by being struck by normal lightning and having unknown chemicals falling on top of him. In the shared multiverse, Barry gets his powers from the particle accelerator enhanced lightning and being knocked into a wall of unknown chemicals, having them fall onto him.
 * Both Barry Allen and Eobard Thawne, aside from wearing masks, conceal their identities by vibrating the molecules of their faces. This is very similar to how Jay Garrick, the original Flash, hid his identity whenever his helmet fell off during The Golden Age of Comic Books (1938-1957).
 * The Streak is a name from DC Animated Universe in which the Justice League entered an alternate earth and discovered a group of superheroes known as the Justice Guild. Among them, one is named The Streak, who also utilized superspeed.
 * Like in the DC comics, according to Eobard; Barry will get to the point where he can move as fast as he wants and his speed is unlimited.
 * In the DC comics, Barry Allen is the fastest out of all the Flashes, rivaled only by his nephew, Wally West/Kid Flash.
 * In the DC comics, Barry uses a cosmic treadmill to travel through time, unlike in the show where he can travel through time without such equipment.
 * In the DC comics, Barry is immune to telepathy.
 * The dynamic Barry shares with Oliver Queen/Arrow/Green Arrow is similar to the one shared by Superman and Batman; a light-hearted super-powered hero and a brooding, more serious hero who uses gadgets.
 * In the mobile game version of Injustice: Gods Among Us, the 2.6 update introduced a card based on Grant Gustin's portrayal of The Flash, referred to as "Metahuman Flash". Despite the model being based on the season 2 suit (with a white circle), the passive and super move icons still uses the season 1 version (with a red background). Additionally, the second special attack is named, and his super move's description is "Run, Barry, run!".
 * He is also playable in Injustice 2 Mobile as "Multiverse Flash". One of his passives is "S.T.A.R. Labs", which allows him to dodge Tech class specials. A blurry figure with yellow and purple lightning can also be seen accompanying him in high speed while he does so.
 * Barry's skill in singing is a nod to his actor, Grant Gustin's role as Sebastian Smythe in the musically-centered series, Glee, as well as his role of Baby John on Broadway's revival of West Side Story.
 * In The Flash/Supergirl crossover episode,, Cat uses "The Blur" as The Flash's identity, even though Barry pitched the name The Flash. This is a reference to Smallville, another DC television show that appeared on CW detailing the life of Clark Kent before he becomes Superman. When he starts using his super speed to conceal his identity whilst fighting crime, he appears to be nothing more than a moving blur, a fact that Jimmy Olsen captures on camera, leading to the name.
 * In a deleted scene from, Cisco described Barry as his best friend. Cisco also implies this in.
 * In 2014, the Flash is the third DC-owned character to have its own television broadcasted show on The CW, following Smallville and Arrow.
 * The Flash ' s portrayal of Savitar is an amalgamation of the DC Comics' Savitar and the Future Flash. In the comics, Future Flash travels back in time to kill his younger self, for he blames himself for the death of Wally West twenty years into the future. Future Flash wears a metallic silver suit that is covered with several glowing cyan etches and he emits white lightning. Similarly, The Flash portrays this version of Future Flash traveling through time to ruin his younger self's life by killing Iris West, and then his loved ones, and finally Barry himself, in order to continue the causal loop of existence and punish Team Flash for their treatment to him as an aberration.