User blog comment:Omega natsu2/Fairy Tail Zero: Night of Embarking, Review./@comment-3075024-20140914185320/@comment-7418318-20140915081730

Considering Hades' turning rubble into Demons, Zeref turning a magical flute into Lullaby and the stuff from the KotSS arc, that is a possibility, though I doubt MDM meant it like that.