Yang An transmigrates into a world of demons and monsters. During a time when the dynasty is crumbling and the world is in chaos, evil creatures run rampant. In this world, ordinary people are like lambs to the slaughter, struggling to survive, and Yang An is no exception. The reason for this is that everything in this world has been tainted by filth. Anyone who steps into cultivation, whether immortal, god, demon, or monster, will pay a great price, which has caused the distortion and abnormality of this world. Fortunately, he discovers that he possesses the ability to completely purify all tainted things, eliminating all costs. Cultivation techniques, spells, pills, treasures, puppets... When he masters a spell called the "Lighting Lamp Method," he discovers that when he lights a fire, evil creatures are frightened and demons avoid him. Thus... a strange idea...