User blog comment:Xilinoc/Ch. 560 - Rages at Ringside/@comment-7079377-20131204201204/@comment-9096222-20131204230912

The rank doesn't matter, He said "Captain lvl", not "Captains", he judged them by reiatsu-something. I mean all current captains are High Captain lvl, so it's not like they are on Zaraki's lvl or anything, but they are low captain lvl...