The Legend of the Demon Hunter

(Not a cool story, no system, the protagonist is not invincible, a plot novel) A sudden heavy snowfall cut off the food supply in the village. When Xiao Zhu walked out of the village, he found that the whole world had changed. Warcraft became the masters of the world, and human territory was invaded... Xiao Zhu explored the truth of the world's loss along the way, met many partners, and learned that in the far west, there was a grand academy that trained mysterious demon hunters...