If a boss summons monsters, the monsters will be charmed and will follow Isaac out of the room.It is possible for Hush to spawn, despite Delirium not transforming into Hush during its boss battle.Unlike Mega Blast, this item can be charged with a single Lil' Battery.When this happens, the upper door appears to have friendly particles. Sometimes bosses don't spawn because of grid entities getting in the way.Changes the appearance of the current room so it looks like a different chapter.Upon use, spawns Delirium in a form of a friendly boss for the current room.