Lmao, Komamura's bankai got a one-shot from the most bad-ass anime villain ever.

That woman of a shunsui can step in and try to backstab at Aizen like a coward all day (he backstabbed Start proving once again that he's a woman)

The only one even close to his abilities would prob be Yama, the others would just end up like Komamura haha (well except for Kenpachi, cause Ken-chan is a beast!)

So as things stand now, Ichigo is going to need 2++ chapters and another 5 forms of hollow transformations just to muster the force required to defeat Aizen