User blog comment:B214/Volume 21 info & spoilers/@comment-26285797-20160218050953

So we finally see all the Longinus introduced into the series and their BBs! Couldn't be happier. Wonder what Issei's role in all of this is. I'm guessing that DxD mode will definitely come into play, but what about Vali. I'm incredibly interested in seeing the power that he awakens.