Eliza Harmon


 * For the The Flash episode, see Trajectory.

"Eliza's not here right now. My name is Trajectory."

- Trajectory to Team Flash

Eliza Harmon, self-nicknamed Trajectory, was a scientist at Mercury Labs who gained the ability of super speed by reverse-engineering the Velocity 9 formula initially created by Caitlin Snow and Harrison Wells.

Biography
Eliza worked at Mercury Labs, where she worked alongside Caitlin Snow for a while. After Caitlin left, she had trouble reformatting the extra-cellular matrix for Velocity 9, so she called Eliza for assistance, only giving her a limited number of components so as to not reveal what she was working on. Eliza helped to properly sort out the formula. Eventually, she discovered the true nature of the formula and, in desperation to speed up progress in her research, was able to reverse-engineer it for her own use.

Antics as Trajectory
Several weeks later, she created a suit to protect her identity, calling herself Trajectory. Having grown schizophrenic from frequent Velocity 9 use, Eliza often argued with Trajectory, she began by robbing everyone within a 6 mile radius of a night club. Eliza was approached by Caitlin and detective Joe West and questioned for any information on the Velocity 9. Eliza though claimed to have destroyed the original serum they worked on. Not long after Trajectory convinced Eliza they needed more, she broke in to S.T.A.R. Labs, requesting that they make her some more Velocity 9. She stole a gun, threatening Jesse's life, before they produced some for her. She used some on Jesse to make sure that it wasn't laced with sedatives, before leaving.



With the extra serum, she began running back and forth across a bridge, causing it to crumble, but not before The Flash could save everyone, despite her attempts to stop him. He was able to jump across the gap, tackling her to the ground. He pleaded with her to see reason, but she refused and injected herself with more pure Velocity 9. She began running, but as her cells had degenerated too much, her lightning turned blue and she dissolved into nothing while screaming, leaving only her suit.

Personality
While originally a very kind and friendly person willing to help others, she was also an insecure perfectionist. Growing desperate to make progress in her work led her to use Velocity 9, which ultimately resulted in her developing a split personality. Her second personality, Trajectory, is a thrill-seeking psychopath who cares for nobody's wellbeing and proving herself the best. Trajectory also continually manipulated Eliza into giving into her urge to dose herself with Velocity and most often succeeded. Her amoral and selfish nature made her willing to put others in danger for her own gain, holding people at gun point, injecting Jesse with a fatal dose of Velocity, or tried to collapse a bridge with people still on it.

Powers

 * Velocity 9 enhancement: After injecting herself with Velocity 9, Eliza gained the powers of a speedster.
 * Superhuman speed: Eliza's mobility becomes able to run at speeds up to between Mach 2.2 and 3.3. This allowed her to initially move much faster than the Flash, until he exceeded his previous limits. After taking an excessive dose of Velocity 9, Eliza's speed increased tremendously, albeit it wore out her body much quicker.
 * Superhuman reflexes: Eliza's increased speed also augments her reaction time, allowing her to react to danger and events far faster than a normal human.
 * Superhuman agility: Eliza was incredibly agile, able to change direction immediately. Allowing her to make sharp turns on city streets while moving at super speed, without sliding or losing her balance.
 * Superhuman endurance: Eliza's body can handle the stresses of superhuman racing without noticeable distress, and her body's enhanced stamina allows her to function much longer than a normal human without getting tired or weak. Eliza was able to recover from attacks and exertion much quicker than normal humans.
 * Accelerated perception: Eliza's speed also extends to her senses and mental capacities, able to take in information and process it just as fast. This allowed Eliza to see the world as if it is in slow motion, which combined with her physical speed lets her think, perform actions, and react to events, long before a normal human around him could even perceive them.
 * Extreme force generation: Through Eliza's ability to accelerate her movements, she can generate extreme momentum and physical force, allowing her to overpower regular humans with little to no effort, as evidenced by the fact that she threw Joe West and the Flash several feet. B y running back and forth on a bridge with great intensity, she induced a tremor with enough jolt and friction that nearly caused it to collapse.
 * Electrokinesis: Like all speedsters, Eliza was able to generate electricity from her body, which was yellow in color. After she took an overdose of Velocity 9, it turned her electricity blue.

Abilities

 * High-level intellect: Eliza was an exceptionally bright scientist, able to reproduce the Velocity 9 formula, even though Caitlin Snow only told her 3 of the 8 components of V-9.

Weaknesses

 * Velocity 9: Velocity 9 does give Eliza the power of super speed, but as she uses it too many times, it brought her some undesirable side-effects.
 * Dissociative identity disorder: The side effects of V-9 psychologically split Eliza's personality and separated her mind in two; herself and her alter ego; Trajectory, hungry for entertainment and power.
 * Cellular deterioration: As Eliza used the formula too many times, the cells of her body began to degenerate, ultimately causing her body to dissolve into nothing.

Equipment

 * Trajectory suit: Eliza wore a suit as her supervillainess alter-ego, Trajectory, to hide her identity from her victims. It is unknown what materials it is made out of.
 * Trajectory Mask: Eliza wore a mask as her supervillainess alter-ego Trajectory, to hide her identity from her victims. It is unknown what materials it is made out of.

Trivia

 * In the DC comics, Eliza Harmon instead of being a supervillain is the superhero known as Trajectory, and a big fan of the Flash since she was saved by Impulse as a child. She got her power by the Everyman Project created by Lex Luthor, the same project that gave Hannibal Bates his shapeshifting's power in the DC comics. Also in the DC comics, Eliza needed to take a potion named Sharp to slow down her speed back to normal. She was eventually killed when Luthor used his remote control of the artificial superhuman gene to deactivate her powers during a fight with Blockbuster, giving his team a martyr and eliminating the rebellious element Eliza represented.
 * Eliza is the first and currently the only female speedster to appear in the Arrowverse. She is also the only evil speedster that isn´t the main antagonist of any season in The Flash.

Behind the scenes

 * In the DC comics, Eliza is a superhero. However, in the Arrowverse, she is a supervillain.