User blog comment:Xilinoc/Ch. 680 - THE END 2/@comment-11293956-20160630202005/@comment-3185063-20160705221728

I'm kinda expecting reinforcements still down in Soul Society to be launched up to Wahrwelt by Kukaku's cannon.

Namely, Izuru, Sajin, Tetsuzaemon (wherever those two are, that is), Fullbringers, possibly Mayuri's zombies and maybe even Kukaku herself.

Barro's probably gonna get himself Auswahlened, which is gonna leave a lot of bird bones everywhere.