User blog comment:FairyRaven/Fairy Tail Chapter 465: 400 Years, Review and Commentary/@comment-27337151-20151207141623

So it means that if Natsu dies, then the book perishes as well? Or maybe the only way to kill Natsu is to destroy the book. Also, if Zeref dies, then Natsu dies and the the book is detroyed as well or if the book is detroyed then natsu is destroyed then Zeref is destroyed? Its damn confusing.