Galena serves as one of the primary antagonists of the story mode of Jump Force. She a is an ally of Kane's and possibly a member of the Venoms. From her quote and what little information is known, Galena appears to be a wicked and cruel woman who likes to punish people and inflict pain on them. She sees Prometheus as the power that could enable her to rule as a god.

Jump Force (Video Game)
When the real world collides with many of the Shōnen Jump universes, humanity is invaded by the "Venoms", an army of mind-controlled villains led by Kane and Galena. In order to fight back, many heroes are recruited to join the "Jump Force" under the leadership of Director Glover and his A.I. partner Navigator. But a suspicious figure is using both the Jump Force and the Venoms as an attempt to gain a mysterious artifact and merge all worlds into one.[4]