In the age of ancient many different races were struggling to survive day-to-day with few grains of food. They lived in a world full of living breathing catastrophes that they must fight for the resources of the land. But at the end of their suffering, their greed was far stronger than their demands for peace. They forge weapons, strengthen their fortresses, and instead of monsters they face the other races
[System: The third past catastrophic event that leads to the end of the world
[Warring nations]: Monsters, calamities, villains none of those exist in this story. There were no such problems with hunting and death by hunting monsters wasn't that many of a casualty. War, that's what lead this world to rot as it became polluted by the growing power that survive for thousands of years