Anti-X means anti-killing, which is a new network term due to the development of the Internet.

The origin of ancient "anti-killing";

Zhou Li Local Officials Turn People: "Whoever kills people who oppose murder will make the country an enemy."

Zheng Xuan's note: "Objection, reply; Kill again. "

Jia's Gong Yanshu: "It is said that a man was killed, and his descendants will kill him again."

Liu Tang Zongyuan refutes the enemy: "If there are anti-killers, the country will make enemies", and the relatives and friends hate each other, so that peace can be achieved? "

Modern "anti-killing" has two meanings, one is to kill for revenge. Second, the game language, which mainly appears in the game, refers to the act of killing an enemy who is ready to kill himself under his own residual blood or unfavorable circumstances.