User blog comment:IamJakuhoRaikoben/Chapter 400: Wings of Hope, Review./@comment-24744901-20140913215346/@comment-3290324-20140914001716

Gray's powered up, but I seriously doubt he has the power to even make Acnologia break a sweat. And whether his abilities are tailored to Demons or not, I don't see him having the juice to off E.N.D.