Xiheng has a secret. She has known that she is different since she was born in Jiuhuang. When she was not born, there was always a voice telling her to avenge her parents. Then she naturally came to Xuanxu and lived there for more than two thousand years. By chance, she met the former Immortal Lord who also came to Xuanxu - now a fallen immortal. Someone once warned her not to get close to this Immortal Lord. Xi Heng also knew that he was dangerous and tried to stay away from him as much as possible, but things always happened unexpectedly.
Her last memory was of Qingqiu being submerged by the Tianhe River. She knew that she had made a big mistake that could never be undone. Only death could atone for her sin. When her consciousness faded, she thought, "Immortal Lord, I only hope that you and I will never see each other again in this life..."