User blog comment:FairyRaven/Fairy Tail Chapter 371: Tartarus Arc, Part 2: Song Of The Heavenly Dragon, Review and Commentary/@comment-5303512-20140214102756

With all this going on this begs to be in question, Where is E.N.D!?! With his guild being attacked he should at least make an appearance soon.

I have my own theory of E.N.D but I will make a blog on it later.