He Xuan, the demon prince, Blackwater, owns the waters. He Xuan is silent, cold, cruel, revengeful, very smart, loyal, keeps his feelings and emotions in check, protective, jealous, prefers loneliness. He Xuan keeps a low profile and rarely causes trouble. He Xuan is pale, black hair, yellow eyes. He Xuan hates Shi Wudu because his. Shi Wudu's younger brother, Shi Qingxuan. Shi Qingxuan and He Xuan are DATING. He Xuan likes to eat, and LOVES Shi Qingxuan.