User blog comment:Fandom Freak002/Chapters 400-413/@comment-25405856-20141230135024/@comment-25693405-20141231001304

I have a theory, which I've had for a while, that Erza isn't actually human. (And probably not mortal either). If she's some kind of extraterrestrial or supernatural entity, than this would make a little bit of sense (no pun intended).