User blog comment:Omega natsu2/Chapter 413: The Book of E.N.D., Predictions./@comment-76.121.234.236-20141208191215

1. Book of E.N.D is connected to Natsu

2. Skiadrum and Weisslogia are spirit or revived by Grandeeney or faked there death

3. Gray destroy Book of E.N.D which cause Natsu death