User blog comment:Xilinoc/Ch. 543 - Letters/@comment-5657895-20130626140553/@comment-4484409-20130626173003

With the whole Royd defeating defeating Kenpachi thing, I think that maybe the real Yhwach defeated Kenpachi and then had Royd imitate him while he went to go talk to Aizen. Then while Royd was there he made fun of Kenpachi when Yamamoto came forth.