[On the one hand, that's an absolutely clever move on Beastslayer's part and he looks more than impressed by the stealth displayed. He can appreciate that more than anything. On the other hand...]

...Beastslayer had to kill everyone in order to save his own people. Even if he didn't want to, he had to in order to do what was right. Right? [He's starting to pick up on the moral of the story here and he's not sure if he's interpreting it right. Or if he wants to.] He led the rescued into battle to defeat their enemies.