Don’t watch these episodes to dodge the filler
Rin Okumura bears the curse of being Satan's illegitimate son. He decides to hide his origins and enrolls at the Exorcism Cram School, a training institute for exorcists located on the True Cross Academy grounds. During an attack by Amaimon, the King of Earth, his identity as the Son of Satan is revealed. His friends are terrified and start to distance themselves. Then someone steals the Left Eye of the Impure King that had been sealed away in the deepest part of the academy. Rin and the others find themselves in an unexpected crisis.
Kyoto Saga begins after episode 17 of the first season. Thus, episodes 18-25 are completely ignored.
Chronological Order:
BE 01x01-17; 02x01-12; OVA - Snake and Poison; OVA - Spy Game
Humans live in the world of Assiah, demons in Gehenna. The two dimensions are not meant to interfere with each other, but demons still possess creatures in Assiah in spite of this. The humans who can fight these demons are known as exorcists. Rin Okumura is a boy who bears the curse of being Satan's illegitimate son. His foster father sacrificed himself to save him from demons. To avenge his foster father's death as well as to prove himself, Rin decides to follow the path of an exorcist.
Chronological Order:
BE 01x01-18; The Movie; 01x19-25; OVA - Runaway Kuro
Anime filler
by JimmyVIP 2