User blog comment:Paul.rea/Teen Wolf News 041114/@comment-141.222.122.47-20140415190713/@comment-13965604-20140415195455

It was explained. When Sheriff got back in town he talked about Stiles MRI being exactly the same as Claudia's, which is impossible. The Nogitsune was just using Claudia's illness to manipulate them and cause them pain.

What still gets me is that Stiles aluminum baseball bat magnetically reacted in the power plant after the whole Kira situation.