The System Gave Me a Butcher Knife, and the Ten-Day Demon God Bloodbathed the World

[Only my own method + behind-the-scenes flow + invincible crushing + transformation of all members + ultimate killing] In this physics world that firmly believes in science, I am the only extraordinary bug! Li Mingfeng was brutally murdered by a rich second generation and died with hatred. However, he was accidentally bound to the "Killing Demon God System" and became the only evil ghost in the world! From then on, the laws of physics failed, and Newton's coffin plates could no longer hold it! [Burma Northern Park]: He tore up warlords with his own hands, turned thousands of victims into vengeful undead, and staged a night walk of a hundred ghosts! [Japanese Dark Web]: He crawled along the network cable and skinned and cramped the perverts who took pleasure in killing each other! [Pacific Ocean]: He squeezed the nuclear reactor with one hand and blew up the billionaire's "Life Extension Ark" into fireworks on the sea! When a zombie craze broke out in San Francisco, when the Wall Street stock market was wiped out by the "Cyber Hell", when the five-star general watched the nuclear bomb being swallowed by him... The whole world was trembling: "It turns out that there really is a god three feet above the head!" Li Mingfeng sat on the throne of the mountain of corpses and sea of bones, overlooking all living beings: "Don't worry, the trial has just begun. Who is next?"