User blog comment:Godisme/Hear.Fear.Here/@comment-5306073-20120720131838

i think its a bit naiive to believe its grimjoww. the three arancars before hand didnt improve significantly from the arrancar arc. my best guess its probably one of the royal gaurds, especially since it came from the garganta. could it actually possibly be isshin? his gestsuga was very strong. i think that a lot of people are forgetting that although aizen lost his powers there is still a way he could regain them like ichigo did. and the hoygyoko (however u spell it) has the power to do so.