Survive the Mist: If I Show Any Mercy, I Lose

[Infinite Realms + Dual Systems + Survival + Power Fantasy + Lone Wolf + No Saintly Heroics + Villain + Ruthless and Decisive] He transmigrates into a world shrouded in mist, only to find himself bound to a Killing System. Every player he kills earns him a treasure chest. To get more chests, Geng Feng decides to kill by any means necessary. Naturally cold-hearted, Geng Feng never lets his guard down around others. He trusts only himself! Overwhelming strength, devious schemes, backstabbing, selfishness, exploitation... That is Geng Feng, a selfish man with emotional detachment.