User blog comment:Miskos3/Episode 275: Fairy Tail Zerø: An Eternal Adventure, Review/@comment-3441749-20160313052805/@comment-25062343-20160313105338

Well in the avatar arc Gray is Spoiler: . . . . . . . . . . . . a "villain" I think they might adapt Ice Trail...Gray hanging out in Avatar HQ just casually thinking about before he got into Fairy Tail