Board Thread:Speculation House/@comment-4830106-20131108040231/@comment-4830106-20131112014858

Well, she does have an Aura, so she presumably has a soul as well. That rules out (or discredits) the Grimm possessed/demon theory, IMO. However, I'm thinking she might have discovered an artifact or tome or something that gives her tremendous power, at the cost of morals. Not entirely unlike Moonslice.

Now that I think of it, Adam's mask glows in a similar way Cinder's clothes and eyes do. If there was a connection between Moonslice and whatever power Cinder has...