User blog comment:Scarletwind/Chapter 254. Thoughts, opinions, theories./@comment-205.188.116.66-20111008171405/@comment-3061966-20111008172905

Well, we really don't know why he's on break from brewing chaos, but I wouldn't be surprised if he becomes the enemy. At the start of this manga, many thought Zeref would be the final villain, but now not so much. But, who knows.