User blog comment:GotMilk5101520/How will the Tartarus Arc Part 4 will end?/@comment-25111584-20140710204348/@comment-7418318-20140710223503

But on the other hand right now they don't need to defeat E.N.D., they "only" need to defeat Mard, since he seems to be the only one who knows how to revive E.N.D. other than Zeref himself obviously, so if they take out Mard, the Tartaros Master is at least contained for the time being.