User blog comment:FairyRaven/Fairy Tail Chapter 399: Wings of Despair, Review and Commentary/@comment-24744901-20140909173558

Hmmm....Seeing Acnologia sort of makes me think that END might not appear in this arc, Zeref might find the book, after Mard geer is beaten and probably will postpone him until a set time. After all Acnologia isn't going come and then go for no reason.