User blog comment:Water Dragon Slayer Shawn/Theory on why Gajeel and Natsu couldn't pass Freed's barrier./@comment-173.2.196.229-20141228051939/@comment-90.211.159.237-20150327235306

Sorry to say but I think E.N.D is not Natsu but the return of all the Dragons (the bad ones that is) or is a Demon which has the same power as all of Zerefs demons. My last thought of what E.N.D could be is, Zerefs other side, as we have all seen Zeref doesn't look all that bad but what if E.N.D is the Darkest part of Zeref that was sealed away in that book, which could be why he took it with him before Gray could destroy it. Either that or its the equivalent to 100 nuclear warheads with 100 megaton worth of power each which totals up to 10,000, which is what it would take to eradicate the human without a trace. Well probably a handful of survivors.