Abe no Seimei

Abe no Seimei is the most powerful exorcist mentioned in the series. The Miko's enchanted guardian is said to be Abe no Seimei; however, Sayo's enchanted guardian, Kuzunoha, recognizes Rokuro's as her son, and Hijirimaru says that Abe no Seimei is still alive in Magano.

Powers and Abilities
He is an Exorcist without equal and created twelve powerful shikigami which are used by the Twelve Heavenly Commanders.

Trivia

 * He is based on the historical onmyōji of the same name.