User blog comment:Miskos3/Fairy Tail 527: Emotion, Review/@comment-24277053-20170317003410

So the only way the two strongest Spriggen can be defeated is to kill themselves after seeing their loved ones at the last moment. It is pretty much the same thing, just replace Erza with Mavis. Though I am cool with that, they are so powerful, no one can beat them, more so August.

Was confused for a moment, I thought August turned into a little kid, well Zeref may never know of his existence, but at least Mavis knows something.

So yup Natsu and Zeref, they have to fight, no one can interrupt, I guess we are headed towards the end here, Mavis has some plan I wonder what it is. Though I think Acnologia is going to mess everything up, I am pretty sure the next chapter title refers to Acnologia.