The Witcher’s Legend

(Not a wish-fulfillment story; no System; the protagonist is not invincible; plot-driven fiction)

A sudden heavy snowfall leaves the village without food. When Xiao Zhu steps outside the village, he discovers that the whole world has changed: monsters now rule the world, and human lands have been overrun...

As Xiao Zhu searches for the truth behind the world's disappearance, he meets many companions and learns that far to the west stands a vast academy where mysterious demon hunters are trained...