I Have Become a Ruthless Person, Even If I Don't Want to Become a Saint, It Will Be Difficult

[Fantasy + ruthless people + cool writing + decisive killing + I don't eat beef + pushing all the way] "Wen Wuyou, you must lose to my cousin in this Wuji Sect trial, do you hear me? If my cousin loses this opportunity to enter the Wuji Sect, I will never have anything to do with you in the future!" Snap—— After a slap. "What, you killed my cousin with one move?" ... "Wen Wuyou, come with me to the Demonic Pure Realm. This saint can guarantee your safety. Maybe the Demonic Ancestor will personally train you!" —— After one sword strike. "What, you killed all the maids of this saint with one sword?" ... "Wen Wuyou, the five spiritual veins of metal, wood, water, fire, and earth... The waste spiritual veins." Bang—— After cracking. "What, the useless spirit pulse, at the age of fifteen, can actually practice to the sixth level of Fusion Yang Realm?" Wen Wuyou accidentally traveled to Tianyuan Continent and awakened the ruthless system. From then on, I started on the road of not eating beef... (The introduction is too weak, please move to the text.)