User blog comment:Xilinoc/Ch. 655 - THE MIRACLE/@comment-27106822-20151211073753

Well going by Sternritter M's power I think the best man to fight him would be Hirako Shinji because of the power of his zanpakuto (invertion) since the more damage Gerard takes the bigger and stronger he gets then the more he will succumb to Sakanade's power of invertion by disorienting him