Batman: Arkham Asailum

Man, I need better friends, don't I? After killing a group of demons and getting squashed under a giant one's foot, Sai was left at the scene of the incident by the DMC gang and brought to Arkham Asylum, JUST before Joker launches his master plan. So, Sai will have to find a way off Arkham, stop the Joker's evil plans and outsmart Batman to avoid getting into even deeper trouble.