Ten thousand years ago, a cataclysm on the Starfall Continent changed a planet that had enjoyed peace for millennia. Countless races went extinct, while the demon race and the fiend race rapidly rose to become the planet's two dominant races. The human race and all the others could only eke out an existence between them. One careless move meant certain annihilation. Ten thousand years passed in the blink of an eye. Geniuses emerged from every race, yet the human race continued to decline, simply because it had no powerful protectors. Anyone could slaughter and plunder on human territory, and humanity had sunk to the very bottom of the food chain.
At this moment, Long Yi, a young man from Earth, quietly arrived in this world with a System. He was accompanied by a terrifying group of humans: players from the Fourth Calamity!