Because he was preparing to appoint Jiang Xue as the heir to the throne at the right time, even though she was a woman. However, the problem was that Jiang Xue was not a complete woman, but it was said there was a way to resolve this. As a result, Jiang Xue became possessed by the soul of an ancient witch, so this matter was delayed.
Jiang Shang felt that he was unavoidably responsible for his daughter's death. Because when Jiang Xue came to talk to him, Jiang Shang's tone was not good. He asked Jiang Xue, "Are you human? I understand your allegiance to the Demon Emperor Lanling, but do you really want to watch the Demon Emperor destroy all of humanity?"
Jiang Shang was questioning Jiang Xue's stance, feeling that she had, to some extent, betrayed humanity.
Jiang Xue did not argue back but used the most intense means to prove herself. Proving she was loyal to the Demon Emperor Lanling and to the Human Kingdom, she sought a way to save the Human Kingdom by sacrificing her life.
