The Legend of the Witcher

(Not a cool novel, no system, the protagonist is not invincible, a drama novel) A sudden heavy snowfall caused the village to run out of food. When Xiao Zhu walked out of the village, he found that the whole world had changed. Warcraft had become the master of the world, and human territory had been invaded... Xiao Zhu explored the truth of the lost world along the way, met many partners, and also learned that there was a grand academy in the far west that trained mysterious demon hunters...