User blog comment:Xilinoc/Ch. 667 - BIGGER, LOUDER, STRONGER/@comment-5657895-20160324152413/@comment-24769684-20160325035656

I think Kenpachi getting injured was a result of the force transferred by striking Gerard's sword, kinda like a normal person punching a wall

Also Lille destroyed the Captain Commander and would likely have annihilated other captains if Nanao hadn't had a sword specifically designed to counteract him