Malcolm Merlyn used Brion's device as part of his core plan related to The Undertaking. However, after he was done with Brion, Malcolm killed him and his colleagues, so they could not reveal any information to anyone, even though Markov begged for his life.
Behind the scenes
- In the DC comics, Brion Markov is Geo-Force, a superhero with geo-kinetic abilities who was also prince of Markovia. He has a half-sister named Terra, who was an ally of Deathstroke.
- The Markov family is mentioned in the episode "".