Board Thread:Speculation House/@comment-25411051-20140918033238/@comment-4010415-20140918053431

Ren, probably. I'm pretty sure it's an aura thing, to be quite honest. I remember when people thought this scene with Ren was the very first time we saw aura used like that, and I had to keep pointing out that Cinder did the exact same thing in the very first episode.