Mo Tianxing, the Demon Lord who would destroy the world, was tainted by karmic fire after committing too much slaughter. When his ascension failed, he was stranded in the mortal realm for five thousand years. Disguised as an ordinary security guard, he punishes evil and promotes good, gradually extinguishing the karmic fire. But he unexpectedly takes in Tian Tian, the holy maiden of a demonic sect, and gets swept into a conspiracy surrounding the spiritual qi revival, becoming the driving force behind a global era of immortal cultivation...
