After Signing up for the Demon Suppression Division for 30 Years, You Will Be Invincible When You Leave the Mountain.

This is a troubled world where demons are rampant and human lives are in vain. The Zhou Dynasty seemed prosperous, but in fact it suffered from internal and external troubles. Treacherous ministers are in power in the court, demon gates are rampant in the rivers and lakes, and beyond the borders, there are also the Northern Barbarian demon tribes who are eyeing them. Su Changqing traveled through time and became the humblest "corpse collector" of the Demon Division of Dazhou Town. The yin and evil energy here is so strong that ordinary people will die if they touch it, and they will not survive more than three years. Facing a certain death situation at the beginning of "evil energy entering the body", Su Changqing unexpectedly awakened **Illustrated System of All Things**!