User blog comment:AldenHeathcliffe/Chapter 551: The Burnt Offerings/@comment-10630156-20131003080937/@comment-5657895-20131003143720

I dunno is Yoruichi and Isshin will get there so quickly, especially since the Soul Society has been swapped with the Schatten Bereich.

I think it's most likely Ukitake will save Toshiro and drive off Buzz B and Cang Du with his Shikai ability.