User blog comment:IamJakuhoRaikoben/Chapter 362: Natsu vs. Jackal, Review./@comment-122.52.143.112-20131130011641/@comment-122.52.143.112-20131130013853

E.N.D. might be the potential uber-powerful character. After all, he/she was the most powerful Demon as stated that Igneel couldn't destroy such a powerful adversary and leading one of the strongest Dark Guilds in the Balam Alliance which is Tartarus.