User blog comment:IamJakuhoRaikoben/Chapter 413: The Book of E.N.D, Review./@comment-2214433-20141222172054/@comment-25334245-20141223000906

Honestly, I have not liked how either Natsu or Gray were acting in this arc, but I have to agree with Nick that Gray should have asked Natsu - he is not the only one that promised his father, and either way the book would have been taken care of.