User blog comment:Godisme/Swords of Origin/@comment-957629-20130116180013/@comment-5398287-20130116233801

Well, they are fairly far underground. They might be at the same level as Aizen, since he's in the deepest level of the prison.

But damn it, God, there's no point in having them fight if they're both going to die! Though Aizen slaughtering everyone to the finale of William Tell Overture would be amusing.