User blog comment:FairyRaven/Fairy Tail Chapter 356: Tartarus arc - Prologue, Review and Commentary/@comment-112.205.14.225-20131019122531

E.N.D is Jiemma former GM of ST.. As seen during the time when Sting and Rogue loss to Natsu.. Jiemma's evil aura scared the people.. it's the biggest possibility yet...