For an instant, it looks like they've won. The man has returned, they successfully killed the monster-

And then Parasraya strikes. "No!" Damn it all. He shoves his sword back in its sheath, but turns on Parasraya, reaching out to try to grab her by the arm. "Why!? We had a chance to show mercy, why wouldn't you?"

For an instant, he can completely understand every time the Doctor has flown into a full-on rage. "Preserving life is what we're here to do. Yes, we did want a repeat of Palitutu because saving this man's life is just as important as saving everyone else's. We don't get to pick and choose."