User blog comment:Xilinoc/Ch. 670 - The Perfect Crimson/@comment-7606564-20160414153031/@comment-7606564-20160414160956

I went and looked em up. Senkei, and Shukei: Hakuteiken Have we seen either of these since the beginning of the series? Can byakuya pull out some new awesome bankai attack that's a step above these two?