Board Thread:General Discussion/@comment-4976518-20140808063123/@comment-33012516-20180421160059

Yyp wrote: Sirjayko34 wrote: What if Aizen's bankai has some sort of activation requirements? That would explain why he was never able to activate it, another theory I have is that maybe when fused with the hogoyoku, it turned him into something more hollow than soul reaper and thus he no longer had a bankai. Not sure where you are getting this stuff about him not being able to activate it from. You're trying to justify something that was never suggested to be the case.

Aizen's shikai had activation requirements so why not his bankai too? Besides it just a theory, calm down