I see. [So it's not something vital, the key; it makes sense that it was placed, rather than innate. He doesn't feel anything different, though.]

[(Yet.)]

One last question, ah... See, I'm not much of a fighter. [He motions to his empty sleeve with his remaining hand. (He knows his way around a fight, though - saying 'I'm not a fighter' is a lie - but without portals... Who knows?)] And I'm not one to believe the insides of people's hearts are exactly benign.