User blog comment:Xilinoc/Ch. 667 - BIGGER, LOUDER, STRONGER/@comment-1268838-20160324141036/@comment-11293956-20160324171813

The thing with that other person is that their zanpakuto manifested without them having an asauchi. If Byakuya is right and constant release isnt a thing, what do we consider the first version of Zangetsu? Definitely a head scratcher