User blog comment:Miskos3/Fairy Tail 525: Why Did the Emperor Never Love His Child?, Review/@comment-86.70.179.136-20170309161350/@comment-97.104.204.83-20170309171954

Edit:On second thought I don't think this arc will end similar to the Tenrou Island and I think Mavis will be killed off near the end of the arc. I think Mavis will give Natsu Fairy Heart as his new lifespan so Natsu can survive after Zeref dies but at the cost of Mavis's life.