User blog comment:IamJakuhoRaikoben/Chapter 452: The Prelude to the Final Battle, Review./@comment-26389992-20150914221641/@comment-7418318-20150914221916

I think Gajeel might well be the one to go up against Ajeel (nope, not due to the name).

With his ability to turn his skin into metal, he seems the best choice against something as corroding as sand. Human skin would be gone in a flash if Ajeel knows how to use his sand even half-way right.