User blog comment:Xilinoc/Ch. 670 - The Perfect Crimson/@comment-1268838-20160414204946/@comment-11446176-20160415042124

Well, that he's been fighting the top echelon of the quincy each time that happened (Faux Ychwach, Self Proclaimed Strongest Gremmy, and two elite ritters who happened to be soul king body parts), and still survived, could probably point to him being THAT strong.

Plus, the fact he becomes stronger each time he loses makes him even stronger from hereon out