Forum:Hollowficaion 101 years ago

So I was wondering... Anyone knows or at least have a theory on how exactly Aizen Hollowfied Shinji and others? He didn´t had Hougyoku at that time so how could he do that? I am not sure if it was answered in manga or not. Ergroilnin 15:11, September 12, 2009 (UTC)