User blog comment:IamJakuhoRaikoben/Chapter 497: The Winter Mage, Review./@comment-5672982-20160808195154

Technically looking at the match up, Gray should have the greatest advantage with his Ice Devil Slayer Powers. He can just eat all the ice that Invel produces, unless Invel happens to have yet another unknown "insert supernatural type" Ice Magic that just happens to be immune from being eaten by Gray.