There's something else I've been wondering about...

Ever since we got here, they've been going on about this challenge and how it's supposed to prove the worthy warriors, haven't they? But there's no guarantee that we'll be left with only nine people. And even then, it could be difficult for them to coerce the people left behind. Those who survive aren't even necessarily going to be those who have killed - in fact, based on what we've seen so far, they may just be those who are fortunate enough not to be murdered first.

But... are we sure that we need nine people remaining, or twenty-one dead?