It isn't just other species. ( And there's a bitter smile and a distant look in his eye. Physically, he is only twenty-five but actually, he'd been alive for centuries and had seen people at their best and worst. ) They can be cruel to each other too...

So if we go off this game it looks like, ( And he holds up a closed hand and will begin to count off points, ) Humans lie. Humans kill. Humans make mistakes.

( Considering how many clues have suggested that previous players of the game realized their mistakes and all. )

The Haas party made a mistake and they killed innocent creatures in their rage. But who lied in their party?