角色描述：

This is a story of a man named Gu Feng, who was the illegitimate son of a noble family. He was adopted by Duan Hai and was willing to do anything to achieve his goals. He was not hesitant to imprison his real father in order to maintain his position, and he also used his lover Xue Yan to try to eliminate Gu Yan, who was a powerful figure. Later, he practiced evil martial arts and was possessed, turning into a demon without a gender. He even raped Xue Yan and killed her after she gave birth to their son. Finally, he kidnapped Duan Fei's son and forced Duan Fei into a deadly battle, but he was ultimately defeated by Duan Fei's powerful martial arts skills.