Board Thread:Questions and Answers/@comment-10797017-20130618215950/@comment-10797017-20130628131232

Sternritter M wrote: Kubo did make flashbacks to when Unohana met Kenpachi the first time, and when Sasakibe mastered his Bankai and fought Yamamoto with it. So I think you're right, more flashbacks will probably come.

Out of the oldest captains, we still have, as you mentioned, Kyôraku and Ukitake, whom which we don't really know much about.

Im thinking before the fights start we might get a flashback about how the war started from Kyoraku and Ukitake. Then all the old captains should be revealed.