User blog comment:IamJakuhoRaikoben/Chapter 470: The Hybrid Theory, Review./@comment-6401212-20160125204856/@comment-27281341-20160126125727

Nobody stands a chance against Acnologia. August: Huge no. Dude was scared shitless just by Acno's magic power. Should a fight happen between the 2, i expect Acnologia (human form) to no dif him. Zeref: No. Just no. Zeref ain't giving any trouble to Acnologia on his own. Ofc Acnocan't kill him, but he can surely dismember him like it's no man's business. Zeref is the guy who needed an entire army of millions of mages, millions, with 12 of them being more powerful than Hades, some of them by a long shot, only to stand a single chance against Acnologia. He was scared shitless when he sensed Acno during the Sirius Island arc. Oh, and he needs, according to Mavis, an infinite source of magic to kill Acno. Yeah, now that i think of it, Zeref is just as nothing to Acno as, say Romeo,is to Natsu. Maybe it's even worse for Zeref.