User blog comment:CoolJazzman/Stern Ritter count/@comment-6800355-20130627174053/@comment-11051098-20130627202810

Cang Du came up against Hitsugaya and stole his Bankai, and used it against him when Yamamoto released his Bankai, witnessing Daiguren Hyôrinmaru's ice wings evaporating from the heat.

I think Rukia's attacked was someone else, someone we haven't seen yet. Or someone we saw in the latest chapter, but can't point out because he didn't see him until now.