Spin off of Four exorcist of the apocalypse Seraph Astor is the long lost son of Draven Astor and the half brother of Einar and Azrael. He is the same age as Jericho, and would reveal Draven had an unknown partner around same time Livia was in relationship with another man and had Jericho. However Draven didn't know he existed. Story takes place with Seraph as a 17year old and he's a D1 athlete and a senior in high school. He is the best basketball player in his high school and meets up with a recruiter, that would give him the best opportunity of his life. He would then get into an accident which would change his life forever.