"Constantly." Perhaps saying that he wasn't worried at all would be a lot more comforting, but he's not about to lie on something like this. He's pretty confident that he can handle anything thrown at him, but not disillusioned that it wasn't a concern.

At the mention of being vulnerable, Sam crosses his arms and gives a small shake of his head to indicate 'no'. "No, fighting doesn't. Just being a Mage makes you a bigger target is all. Seems like you know a fair share about Demons from your own realm, Marcel. Still I'd caution not to let yourself get manipulated by them; nothing good ever comes of it."