User blog comment:Miskos3/Fairy Tail 512: Sting, the White Shadow Dragon, Review/@comment-130.105.140.154-20161130081519/@comment-29874610-20161130203252

Hmm, I thought that only the fact that E.N.D was the creator of Tartaros was false. But maybe you're right, and END wasn't the one who brought up curses. Though I still think that it may be true. Didn't Zeref himself say that Natsu was the one who created the curses? I don't really remember..

But the thing is, that my theory may still stand true. We don't know what happened after Zeref created END. Natsu clearly doesn't remember it, and it might well be something important lying in those memories. And yea, I know that Natsu wants to kill Zeref because he is an Etherious, not because he's END. Still though, it does seem like the transformation messes with his head. So I actually think he'll go evil soon.