User blog comment:Miskos3/Fairy Tail Chapters 532 & 533, Review/@comment-7070784-20170422053208/@comment-21119641-20170422142527

Of course Igneel told Natsu to not open the book.

Lucy explicitly said there was information about Natsu in there, what if anyone opened it back in Tartaros only to get confused while there was already a lot of mess happening around?