The story begins in the southeastern corner of Yanjie Continent, an ancient city surrounded by green mountains - Yunlan City. As night falls, the stars are twinkling, and the ancient clock in the center of the city rings leisurely, echoing in the quiet night. At this moment, in the most inconspicuous corner of Yunlan City, in a dilapidated stone house, a young man was sitting cross-legged alone, his eyes closed, and the weak energy fluctuations around him were faintly visible.