Weird Invasion: How Did I Become the Destroyer?

[Weird invasion + city + no system + decisive killing + online IQ] "dying" Li Ming looked at the strange thick fog that stretched for three thousand miles behind him, with huge black shadows flashing through it from time to time. "If you want to survive, you can only use the deepest despair before death to anchor yourself." Li Ming stepped on the waves of the East China Sea and walked towards Xiaori Island. "But it is only natural that fathers should repay their debts to their children, and our ancestors really need an apology." Countless little tricksters flew towards Li Ming like moths, but even the waves under his feet couldn't shake him. Live broadcasts from all over the world are gathered here, which makes people sigh. "They were pretty good when I was little. They were the first ones to eat nuclear bombs, and now they are also the first ones to be killed by strange things." Rule 1They cannot be killed—— On the streets where the neon lights are extinguished, shadows crawl out of human eyes. Rule 2Only they can fight them—— I cut open the gray mist on my chest and swallowed the first "same kind". Rule 3Perception is communication—— After my death, any mention of my name or image became the most terrifying taboo. [Rule 4] All realms of mystery will eventually devour reality, and no pollution can be removed—— When [Death Progress 95/100] popped up on my phone, the entire city was covered in mist.