User blog comment:Xilinoc/Ch. 565 (Mangapanda is run by lazy barnacles)/@comment-5847836-20140125014044/@comment-24282510-20140125014647

It was stated a few chapters ago that hollow power (not attack power ) or their essence rather is like poison to qunicys. It does not stop the Quincy powers from working but it will completly kill the Quincy over time this could be days, weeks, etc or quickly we don't know.