He lifted his eyebrows. "I expect you not to want to be murdered, and if you think I can't and won't eventually do it, should you present any inclination to act like a predator in a closed environment, you're sadly mistaken. I keep coming back. You? You've got how many regenerations? You can't kill me, "Master," He sneers. "I certainly can kill you, so either behave yourself or." He shrugged, pulled the gun and the trigger in one fluid motion, bullet just grazing the outside of his arm. "Die. Repeatedly and slowly."
He wasn't joking. He wasn't kidding. He wasn't bluffing. He could, and would, damn well do it. He didn't want to. He'd rather protect the timeline, but forced? Oh hell yeah.