User blog comment:Mamerge/What if Natsu is END? And Silver is Future Gray?/@comment-1177821-20140411033916/@comment-24734283-20140411052451

What if the Keys were in truth the keys to E.N.D? and Franmalth found the keys with Hades.

PS last week's chapter should have been the end of part 2 and tomorrows chapter should have been part 3 (sorry off topic)