Turned on, I can't even lie.

Sorry... On a serious note, I feel like he would be fascinated that someone could become one even without his or Eden's kind of upbringing, because he figured that people who have access to the city would prefer being there instead of hunting like them. I think he'd be a little envious that they can kill, unlike him, but otherwise he asks questions about the kill, why, and if they're alright.

He'd be turned on if the kills were neat because it indicates skill and capability. If messy, he would have no comment because it's to be expected, in his eyes.