Crown of Corruption

Target takes 2D4 psychic damage at the beginning of their turn. They will then view all devilish enemies as allies, all allies as enemies, and anything of celestials or demonic influence are seen as favored enemies. They deal an extra 2d4 psychic damage when they hit an ally, and they deal 2d4 extra fire damage against celestials and 2d4 extra force damage against demons. If the target is incapacitated or killed, the Crown of Corruption creature takes a bonus attack action and can move 30 feet towards another creature. The Crown of Corruption creature can repeat its saving throw at the end of each of their turns.