Enma Daioh

Enma Daioh is a character in manga and anime series of Shaman King. He is the greatest of the Four Kings of Hell, and the gurdian of the Spirit of Earth.

Reincarnation of Hao
When Asakura Hao reincarnated the first time, he was forced to face Enma Daioh.

Invading Hell
When Lady Sati and Team "Myooh" invaded Hell to steal the four remaining Great Elemenental Spirits, Sati faced off with Enma Daioh in order to get to the Spirit of Earth