 During a case in which Gizmo nearly detonates a nuclear device, Robin uses the ring to which Djinn is bound to grant her the use of her full powers to avert the crisis, and returns it afterwards, refusing to assume mastery over her.This earns him Djinn's trust, which gradually begins to turn into a mutual romantic attraction.However, what Damian does not tell his teammates is that a deep cellar of the Titans' headquarters, a former juvenile detention facility, serves him as a secret dungeon to lock away the most dangerous criminals he captures for good, including Deathstroke, Gizmo, Brother Blood, Black Mask, and Atomic Skull.