Devil King

also know as Chaos is a mysteries being who lives in unknown world. He is also the ruler of hell.

Personality
Devil king is calm, collected, and reasoned demeanor when not in combat, speaking in an even tone even to his enemies. He watches over his minions with a light hand, a trait influenced by his time with the demon military when he was forced to fight against his will and came to hate his superiors. Even against traitors and those who neglect their duties to him, Chaos is hesitant to punish their disobedience. He also has still inlove with Miya Ōtsutsuki, so, the reason why she turn her to his Devil Queen.

Abilities
According to Reika, Devil king is equal in power with her Mother.

Quote

 * (To Miya Ōtsutsuki) At the end of the dream... even chaos tears itself apart!