The Sick World of Gods

Everything happened so suddenly. When everyone was still immersed in their dreams, the black fog was already rolling in. Then came one monster after another. People wanted to escape, but found that the way out had been blocked by an invisible dome. "Monster...! Run away!" "..." "We call them genetic civilization!" "Genetic civilization?" "Yes, this is more like an arena of civilizations. Each civilization has its own unique countdown." "Then... What is our countdown?"