User blog comment:Miskos3/Episode 275: Fairy Tail Zerø: An Eternal Adventure, Review/@comment-24277053-20160312133042/@comment-97.104.196.55-20160312151402

https://mangahelpers.com/forum/threads/zera-revived-by-zeref.3003198/ For anyone who reads the manga or anyone who doesn't like to be spoiled read at your own risk because this theory has spoilers from the main manga.