Re: The Battle So Far ... Missing Bankai (Chapter 358 and beyond)
Well, thanks to my boy Hitsugaya having more powers up his sleeve, captain-level fighters still may have more higher powers beyond bankai (that's something to think about). I believe Aizen's confident because he did his homework on Gotei 13, and what his people are capable of (that, and fact he may have some VL's chillin' until he needs them). I believe Aizen's bankai will be insanely powerful since his shikai is on bankai tier.