User blog comment:LightningKing/Fairy Tail Chapter 436 Review Memoirs/@comment-76.121.234.236-20150519031216/@comment-5044865-20150519044457

Not really. The chapter says that god Ankhseram is the god of both life and death. In my understanding, Zeref might have recieve the "bad" side of Ankhseram's magic which is death/curse (since all he does is to kill somebody so far).