[quote=@Letter Bee]
Shouldn't he also take revenge on the one who convinced Aster that becoming a mutated False Angel was a good idea?
[/quote]

When he finds that out, I'd very much imagine he would. He is going to be much more of a darker character. Calculating, manipulative and solely reliant on himself. He also has nothing to lose, given the recent events that preceded him where his father and the Mafia are concerned.