User blog comment:Miskos3/Fairy Tail Chapter 483: Seven Stars, Review/@comment-4507125-20160426174015/@comment-4829046-20160426190931

Actually he has never said that he personally wanted to take out Acno. That's just how things turned out. Natsu's progress just happened to link with the plot the parent Dragons had going on at the time. Zeref wasn't the one that came up with that plan even though he was the major player.