User blog comment:IamJakuhoRaikoben/Chapter 500: Fire and Ice, Review./@comment-84.197.227.90-20160906172625

I don't really see how the Gray vs Natsu thing will work out properly.

Gray has known Natsu for most his life, he knows Natsu was a kid as well when they met, he knows his "value life and friendship"-personality, he knows Natsu is a good person and not some demon.

It would make no sense for Gray to suddenly blame natsu for everything that happened to his parents, teacher and so on.

In fact, all of FT and even all of Fiore should relish Natsu being END, as END was created with the purpose of killing Zeref, just like all demons, except that Natsu has kindness in him whereas the others did not.

It would be stupid if Natsu would suddenly get an awakening of sorts with a 180 degrees turn in regard to personality. After all, FT isn't the type of guild to suddenly turn on their own member and treat him as a villain.

So there wouldn't be a legit way for Natsu to suddenly go evil. At most Irene may "enchant" him with a different personality or the "Keys of Zeref" that Hades collected are revealed to actually be "Keys of END", but such things would only be temporary and will be broken by Nakama magic as with all things in this story.

Anyway, no need for Gray (or anyone else) to actually wish harm on Natsu simply because he's END.