Also she gets killed by a financial capitalist in the end. She was winning the games with her strength and the intelligence with the sacrifices of her comrades, but the capitalist breaks the "rule of law" and "fair competition" to kill her. He doesn't get punished but rewarded with advancement to the next round.

Having this sequence of actions happen to the North Korean character isn't coincidental. The whole show is a giant critique of capitalism but there's layers and layers of it until the end.