for one
Aizen didn't use his Bankai, he used his Shikai
the release of kyokasuigetsu was complete hypnosis, meaning that he only has to released it once .
he never said Bankai before releasing it.
As of now, I officially quit CR. I will nuke myself in 2 days..~_hinamori_
why d0 u guys hate aizen?he is the m0st p0werful shinigami n0w..better then zaraki kenpachi[but if zaraki kenpachi had a shikai and bankai,he wud hav w0n aizen..]