Gu Qingfeng traveled through time and became a jailer of the Demon Suppression Division, and unexpectedly awakened the special system of "becoming stronger when attacked by demons". He used the Demon-Suppressing Division as a treasured place for training, and used demon attacks to unlock skills such as copper-skinned iron bones, phantom vision, etc., And quickly advanced from the body-tempering realm. Adhering to the original intention of slaying demons and defending the Tao, he slayed demons and solved crises along the way. He continued to grow in the process of protecting the peace of the world, and wrote a passionate and inspiring legend of slaying demons.