Did Qin Shuang kill the unknown in the world? Why was he killed because of his high martial arts? Was he assassinated by Qin Shuang?

Unknown was not killed by Qin Shuang, but was fascinated by the ecstasy of Qin Shuang's brokeback.

The specific process is:

The bear thought he had been completely obedient after taking the medicine, but he didn't swallow it completely, so he lied to the bear. Later, Qin Shuang pretended to kill Unknown. In fact, Qin Shuang charmed the unknown with a brokeback ecstasy, killed all the soldiers around him, made a fake head, and dedicated his life to the hero.

"Wind and Cloud Dominate the World" is a fantasy martial arts drama adapted from the comic book "Wind and Cloud", directed by Xu Jinliang and starring Chiu Man-Cheuk, Peter Ho, Angel, Wu Chenjun, Hong Tao actress born in 1969 and Sonny Chiba. The TV series tells a series of love and hate between Bu Jingyun and Nie Feng for the revenge of their parents and for the peace of Wulin.