>>40577429It's called cultivation. What you call people is several different humanoid species in competition with one another.
Before the last great cataclysm 12Kya, there were over a dozen different humanoid types on Earth. Much more distinct than what we have now, and even that has changed significantly over the eons.
The death cults, and their adherents need to be removed for whatever is left to progress. This world is a prison farm for slaves made to look like an amusement park or battlefield depending on how much money you cycle through.