[Fenris puts his arm out to prevent Merrill from going further. He may not like her, but they were still, technically, on the same side, and as the warrior, it was his job to remain on the front line. Plus, he really doesn't want her to get possessed. He'd have to kill her and then Hawke would bitch and wine forever.]

If you would like me to do so, I will have no problem with that.

[His tattoos glow brighter, and he steps closer, his eyes only narrowing as Cole switches forms. ]

So you have already possessed someone. Wonderful. I have seen enough.

[He hasn't paid any attention to what Cole has said, and now he's just lurching forward. He doesn't know how much damage he can do to a demon with just his lyrium, but he is very okay with learning.]