This way, not only can we reduce the loss of food, but also filter out the real warriors suitable for the apocalypse. Moreover, under absolute pressure, some people may even naturally awaken.
Tens of thousands fighting each other might seem too cruel, but it's a method for the city to remove the chaff. The survivors may number only a few thousand, or even fewer, but they are the ones who have truly experienced slaughter and despair. It's like some kind of forced growth method, transforming a boy or girl who considers themselves ordinary into a cold-blooded warrior!
