[Stale threats are all he's got. He's already done everything he can bar killing Tyki (which wouldn't work anyway because he'd just come back, and oh, how many times has he wished that weren't so?) and to all appearances none of it seems to have worked. All he can do is fling the same old stuff at him and hope that some of it sticks.
He grunts in exasperation, glaring.] Lucky for you I have someone else to watch over him right now. Which means I have the rest of the day to watch out for you and make sure you don't get up to anything. So take care, Tyki. One step out of line...