User blog comment:IamJakuhoRaikoben/Chapter 373: Life or Death?, Review./@comment-5303512-20140301213856/@comment-5233713-20140302044218

I really like your theory, maybe it has something to do with the shadow that controled Rogue in the GMG.

And you somehow made me remember something if the castle is were Zeref's demons live then Obra should get involved, maybe he got himself a new puppet...