Thousands of Years Later

Immortal cultivator "Wuchen" was accidentally awakened and found that his cultivation had been sealed. Then he found himself in a "fantasy world with no spiritual energy, paralyzed civilization, and rampant monsters" and was accidentally bound to a weird "mysterious system"! With his cultivation level blocked and bound to a strange system, can he, who used to slay demons and beasts, continue to write a new chapter in the wasteland...