User blog comment:Omega natsu2/Chapter 356: Tartarus arc - Prologue, Predictions./@comment-23817943-20131010124632

FT: Zeref is not a human(because he is E.N.D.) FT: The next chapter will be full of mysteries. It will be designed such that we can go back to it from time to time as more chapters are released. Similar to Rave Master Ch. 0 - Knights of Kingdom

Will think for my third one....