User blog comment:Xilinoc/Ch. 679 - THE END/@comment-24726378-20160624004719/@comment-24726378-20160624011738

he could just be acting that way because of the almighty and that if he does at traitorous, yhwach will know immediatley. So maybe he is using this cover to slowly test uryu's strength and throw subtle hints to uryu on how to beat yhwach.