User blog comment:Stone Roger/Natsu and Zeref have somekind of relation?/@comment-94.13.186.122-20150102210251

Maybe Natsu is E.N.D because remember way back when in the fighting festival arc Natsu could not get past the barrier but nobody knows why the only rule was if you were over 80 you could not get past so maybe natsu was frozen in time making him over 80 proving he could be E.N.D or something