User blog comment:IamJakuhoRaikoben/Chapter 450: Alone in all the World, Review./@comment-5268982-20150901161817/@comment-5268982-20150902193348

I'm pretty confident he will be an omnipotent being and an actual character at that.. as for Natsu, maybe meanwhile Lucy, Gray & co will be fighting him as E.N.D., sort of like how Igneel vs. Acnologia, Twin Dragons vs. Jiemma and Mard Geer vs. Natsu and Gray was going on at the same time.