you have a fair vishion but you cant stop aizen im sure he showed you his zanpacto you wont stop him your not strong enuff to stop him you havent even gotten me to use my sword at this point you wont stand a chance
& i plan to keep itsakkuren: i see you still have your control
it is a little known fact that once he gets powered up his one seems to fall off as if itis made of paper, but he is head strongthe 0 espada but there are 10 of you i would asume it went from 1-10
I am yet to find out, but it is usually an aspect that grows, such as rage, or lustwhat is his aspect of death