‘Fairy Tail' Episode 531 Spoilers: Zeref's Neo Eclipse A Drawback To Ravines Of Time

FAIRY TAIL Manga 530: Neo Eclipse 

Much has been said about Zeref’s motive in episode 530. However, the most acceptable reason on why he needs to get hold of the Neo Eclipse is to restart the time. Also, it seems that Anna wants to use neo eclipse as well to delete Acnologia.