I bagged one!
My right front wagon wheel hit a big rock and went all wonky, and a thrall wandered over to help. Too bad he didn't warn me he was there; I swerved right into him as I avoided a boulder on the OTHER side. He ended up with a stump. I applied a tourniquet and knocked the thrall out -- didn't know my backhand was so hefty! -- then awaited Master Terran's decision. Agreeing that a one-legged thrall is useless, he gave me his quiva to dispatch the thrall. I sliced stumpy's neck side to side -- and then Master finished off the gurgling, shaking, slowly expiring boy by snapping his neck.
Sooo... maybe that's half a kill for Master, half for me... *G*