User blog comment:IamJakuhoRaikoben/Chapter 414: Drops of Flame, Review./@comment-5288632-20150105185630/@comment-7418318-20150106122056

I highly doubt Natsu would leave FT. With Igneel gone, they are all that he has left.

He might go chase after Acnologia in the spur of the moment, but he absolutely won't sneak away in the middle of the night (figuratively speaking).