Extinction doomsday + unlimited supplies + lone wolf + killing without batting an eye + mutation evolution
A sudden heavy snowfall turned on the ice mode on the planet, and the sudden drop in temperature directly took away more than 80% of the life on the planet! But ice, snow and low temperature are just the prelude to the beginning of the Ice Age. The real terror that humans have to face are the wild beasts running wild on the road of evolution.
The backlash of climate and environment, the rewriting of ecological status, in this land of ice and snow, are humans who are forced to return to the primitive era doomed to destruction...
