All humanity suddenly plunges into a high-altitude desperate situation, with tens of billions of human beings trapped in cable cars suspended a hundred meters in the air. Each person has only a one-square-meter narrow foothold, with a bottomless abyss of ten thousand zhang below, and the cable cars patrol the wilderness at a constant speed day and night. Every day there is only one brief landing permission to search for survival supplies, resist mutated monsters, and seize evacuation points, implementing the most cruel loot-and-retreat survival rule. He is decisive in killing: when I level up once more and select the offensive talent, it will be just right to use you to test my edge. Rule abilities continuously awaken, high-altitude desperate combat, reaching the peak of the old world.