User blog comment:Onic14/God Slayer Magic: Made to slay Zeref/@comment-24039725-20150403135845

Well I dunno Zancrow gotta pretty much one shotted by Zeref so I really don't have it in me to believe that God Slayer Magic could do anything against Zeref it's pretty been established that the Demons were made to kill Zeref  which is actually incredibly long winded if he did  make magic for that what would be the point of the demons?