User blog comment:Xilinoc/Ch. 569 (You've been hit by / You've been struck by / Senbonzakura~)/@comment-6916556-20140220021034/@comment-24282510-20140220045102

With BG9 and the fact that they seemed to have studied the 13 it could be that BG9 was made into what he is today since Son Feng shikai would seem to only work on tissue.