Maybe for you humans, but I'm different! I don't gain anything from killing that I wouldn't get from just waiting it out.

[ He is, after all, well over 1,000 years old, so clearly he doesn't have a problem with waiting. ]

Even if you're gonna be cynical about it, I'll pinky promise you anyway. [ He holds his right hand out, pinky extended. ] Cut it off yourself if I break it! I won't use the hammer for anything, except maybe to prop my door closed at night.