User blog comment:IamJakuhoRaikoben/Chapter 288: Wendy vs. Chelia, Review./@comment-4829046-20120622162439

Now that you guys mentioned it, I also noticed how Zeref's magic is the same black tone so maybe he is the ultimate God Slayer as well as the ultimate Dragon Slayer, I mean c'mon he HAS lived for 400+ years, he could have learnt quite a handful of lost magics.