User blog comment:Xilinoc/Ch. 581 - THE HERO 2/@comment-24113610-20140521141000/@comment-24754636-20140521142310

I see parallels to Aizen's invasion: the captains will come close to losing, Urahara & Ganju's groups show up to help, then the captains use abilities they've kept hidden so far, and Ichigo wins the final battle.

Don't forget there are 3 Sternritter we've not seen yet, 3 whose epithet we don't know yet (Pepe, Shaz & Col. Sanders) and we haven't seen what BG9's letter K stands for...