Resisting Body Snatchers: I Build a Technological Immortal Dynasty in the Lower Realm

Lu Chen, a cultivator from the Upper Realm, is branded a "good-for-nothing" and banished to the lower realm. At the lowest point in his life, a remnant soul from a world of future technology tries to possess him. Instead, he devours its soul and activates a System, embarking on a path where "technology is immortal arts forgotten by the world" and rising like a wildfire.