User blog comment:FairyRaven/Fairy Tail Chapter 398: The Final Duels, Review and Commentary/@comment-24277053-20140901125157/@comment-77.194.131.11-20140901131105

we seen all Tempesta's attacks, so he was useless, and Mashima certainly planned to cure FT mages before face activation, so even if they lose their powers, someone with a mysterious power ( blondie ) will have the strenghth to search for the one magic and give the magic back to mages for the final battle against E.N.D.