The end is coming, I'm the villain

Doomsday.
This is a hopeless world, full of corpses, mutant creatures, poisonous plants and demons.
The human social system has completely changed, there is no axiom, no justice, only power and killing.
The strong can oppress the weak at will, the order in the world is completely disintegrated, and the law of the jungle becomes the first principle.
In this world, being weak is the original sin!
Some lucky people among human beings have awakened supernatural talents, become evolutionaries, a...