User blog comment:Ncduru/Who is Anna?/@comment-7405046-20151203225043/@comment-7418318-20151204002824

If Zeref had ever managed to get the Eclipse Gate to work, why would he send his dead and revived as a Demon brother into the future, instead of going back in time to prevent him from dying in the first place?

That was the very reason why he invented the concept of the Eclipse Gate in the first place.