The reason why Qiu Shan treated Si Teng badly was because Si Teng had betrayed him. Qiu Shan used Si Teng to expand his reputation, but Si Teng betrayed him at the critical moment and exposed his plan. This caused Qiu Shan's reputation in Xuan Gate to be damaged, and he bore a grudge against Si Teng. In addition, Qiu Shan also deliberately let Shao Yan Kuan get close to Si Teng and make Si Teng fall in love with him. Then, when Si Teng was at his weakest, he killed her with his own hands. Thus, Qiu Shan's bad behavior towards Si Teng could be attributed to betrayal and revenge.
There were many reasons why Qiu Shan treated Si Teng so badly. First of all, Qiu Shan was a person who pursued fame and fortune. He used Si Teng's mutation to expand his reputation and did not allow Si Teng to have his own feelings. He tortured Si Teng in all sorts of ways and even designed a scheme to make Si Teng change back to her original form to scare off her lover. Qiu Shan hated both demons and Si Teng. He used Si Teng to kill his own kind to establish his image as a demon hunter. In addition, Qiu Shan also used Shao Yan Kuan to deceive Si Teng, and personally killed Si Teng when she was at her weakest. Qiu Shan's actions could be said to be out of selfishness and obsession. His attitude towards Si Teng was filled with cruelty and malice. Therefore, the reason why Qiu Shan treated Si Teng so badly was his personal motivation and psychological state.
Qiu Shan had done many cruel things to Si Teng. He used Si Teng to expand his reputation and taught her how to kill her own kind. Qiu Shan abused Si Teng, did not allow her to have her own feelings, and used Shao Yan Kuan to deceive Si Teng. Qiu Shan had even caused Si Teng to be killed by Bai Ying, who had planned to eliminate Si Teng in the end.
The reason Qiu Shan killed Si Teng was because Si Teng betrayed him. Qiu Shan had raised Si Teng for many years, but Si Teng did not express his gratitude to him. Instead, he betrayed him. Qiu Shan couldn't tolerate betrayal, especially from the Fowl Tribe. In addition, Qiu Shan also killed another part of Si Teng's Bai Ying, because Bai Ying was involved in the betrayal.
The reason why Qiu Shan tortured Si Teng was because he thought Si Teng was a monster. He looked down on monsters, and at the same time, he needed monsters to help him achieve his goals. Qiu Shan used Si Teng to expand his reputation and weaken her strength and self-confidence by abusing and controlling her. He didn't allow Si Teng to have her own feelings, and even plotted to make Si Teng change back to her original form to scare off her lover. Qiu Shan thought that Si Teng was a scourge. He vented his hatred on Si Teng, ignoring her emotions. Although Qiu Shan had raised Si Teng, he had abused and mutilated her. Qiu Shan's actions showed that he had an extremely contradictory attitude towards Si Teng, using her and detesting her.
The reason Qiu Shan killed Si Teng was because Si Teng betrayed him. Qiu Shan had raised Si Teng for many years, but Si Teng did not express his gratitude to him. Instead, he betrayed him. Qiu Shan couldn't tolerate betrayal, especially from the Fowl Tribe. In addition, Qiu Shan also killed another part of Si Teng's Bai Ying, because Bai Ying was involved in the betrayal.
The reason Qiu Shan killed Si Teng was because Si Teng betrayed him. Qiu Shan had raised Si Teng for many years, but Si Teng did not express his gratitude to him. Instead, he betrayed him. Qiu Shan couldn't tolerate betrayal, especially from the Fowl Tribe. In addition, Qiu Shan also killed another part of Si Teng's Bai Ying, because Bai Ying was involved in the act of betrayal.
The reason Qiu Shan killed Si Teng was because Si Teng betrayed him. Qiu Shan had raised Si Teng for many years, but Si Teng did not express his gratitude to him. Instead, he betrayed him. Qiu Shan couldn't tolerate betrayal, especially from the Fowl Tribe. In addition, Qiu Shan also killed another part of Si Teng's Bai Ying, because Bai Ying was involved in the act of betrayal.
The reason Qiu Shan killed Si Teng was because Si Teng betrayed him. Qiu Shan had raised Si Teng for many years, but Si Teng did not express his gratitude to him. Instead, he betrayed him. Qiu Shan couldn't tolerate betrayal, especially from the Fowl Tribe. In addition, Qiu Shan also killed another part of Si Teng's Bai Ying, because Bai Ying was involved in the betrayal.
Qiu Shan and Si Teng reached a reconciliation in the play. Although the details of the reconciliation were not explicitly described in the play, it could be inferred that Qiu Shan and Si Teng had reached a reconciliation in the play. Qiu Shan was once very cruel to Si Teng, but in the development of the plot, after Qiu Shan saw Si Teng's growth and his act of saving people, he was shocked and suspicious of Si Teng. However, after Qiu Shan's arrival, Bai Ying took Si Teng and escaped, and the two of them fought against Qiu Shan together. Although the details of the settlement were not clearly described, it could be inferred that Qiu Shan and Si Teng had reached a settlement in the play.
Qiu Shan and Si Teng reached a reconciliation in the play. Although the details of the reconciliation were not explicitly described in the play, it could be inferred that Qiu Shan and Si Teng had reached a reconciliation in the play.