Master Uses Me as Nourishment? I Searched All over the Sect's Villains

Female protagonist: Shen Zhiwei, cute and sweet on the outside, but extremely pragmatic and ruthless on the inside. In his previous life, he was a fallen second-generation high-level cultivator who was well versed in the survival laws of Gou Dao. His spiritual roots were judged to be useless and his aptitudes were extremely poor. Male Master: Xie Wuyuan, the ruthless Taoist at the pinnacle of the world, a thousand-year-old Yinbi, the backer of the entire sect, treats all living beings as stupid dogs, and is used to treating his disciples as pills, nutrients, and chess pieces. World view: Blood Evil Sect - a sect with all members being villains. There is no morality in the sect. Backstabbing, scheming, and betraying teammates are the norm in life, and they believe in the law of the jungle. Opponent: Su Qingyao, a woman who travels through books, carries a strategy system, and her target is the strategy master Xie Wuyuan. According to the original plot, the Blood Evil Sect will eventually be completely destroyed by the heroine of the system.