Deep in the ruins where the neon lights can't shine, Lu Chen was chained to an abandoned altar - three days ago he was the youngest awakened person in the empire, but now he is judged to be a "source of pollution". The source energy in his body was running out of control, devouring his flesh and blood every second. In despair, a cold mechanical voice sounded in his head: [Should the hidden prosthetic body be activated if the host is near death? What he doesn't know is that on the thirty-seventh floor underground of the abandoned city, a certain sleeping ancient being is awakening... This is not the dusk of the abandoned city, but the blood before the dawn of the new order.