User blog comment:Dispelling Mage/Chapter: Fairy Heart (451) - Review/@comment-5303512-20150908064337/@comment-25395791-20150909130734

Or it could be that the movie is, in a way, foreshadowing that, maybe? : / Also, we don't know how E.N.D. looks like. It's possible that it could turn Natsu into a demonic Dragon or something. :P Stuff above are just my thoughts so yeah. :P