The Duel Ground of the Gods

That day, the blood-red sky split open, and the huge meteorite "Hammer of God" hung overhead. Humanity was divided into two factions - the "savior faction" who dreamed of using technology to defeat the sky, and the "death faction" who waited for the end in despair. Chen Yan belongs to the latter. He just wants to smoke his last cigarette before the end of the world. However, when the blue light engulfed everything and he woke up again, he was already in a dark red wasteland filled with the smell of blood. A cold system voice sounded in my mind: [Welcome to the Civilization Screening Trial Ground. The gods are seated and the killing... Begins. This is the duel ground for the chosen ones. The contestants come from different eras and different dimensions - primitive people holding stone axes, the famous Alexander the Great, and even two-dimensional characters who stepped out of two dimensions and obtained 3D bodies. Everyone here has only one goal: to fight each other and please the audience of advanced civilizations who call themselves "gods". Chen Yan's talent is a seemingly absurd ability - [Five Yuan Survival: You can exchange items with a total value of less than 500 Yuan from the original world every day] A bottle of water, a pack of cigarettes, and a book... An introduction to physics that no one cares about. But it was this unexpectedly exchanged book that brought the last words of female scientist Su Wanning: "It is not a natural disaster, it is man-made... The universe is not what we imagined. Please remain skeptical, please remain angry." Anger ignited in his chest. Relying on a system that allows him to extract one of his skills every time he kills an enemy, Chen Yan has gradually become the most dazzling "variable" in the eyes of the gods from a person waiting to die in the apocalypse. From struggling to survive to forming a god-killing army across time and space...