Rin continues his journey through the past, this time following his foster dad Shiro’s early Exorcist career while he dealt ...

It's kind of notable to see Lucifer and his fellow divinities swearing fealty to Satan so readily, but it's a mundane scene. And the moment when Mephisto Pheles refuses to swear fealty is thrown away.

The last episode of Blue Exorcist Season 4 Part 2 saw Rin and Mephisto observe Shiro and Yuri attending Rick’s wedding, ...