In the wake of the apocalypse, survivors huddle in a mechanical city called Echeng, relying on a mysterious virtual universe for energy. All remnants of civilization are thrown into a struggle for dominance in this otherworldly realm! Players can enhance themselves with virtual items, collecting historical heroes from various eras: Three Kingdoms, Sui and Tang Dynasties, Chu and Han Contention, Rome, Sparta, Ancient Egypt. Legendary armies like the Wei Wuzhao, Tiger and Leopard Cavalry, Xuanjia Army, Yue Family Army, and Mongol cavalry clash with Spartan hoplites, Crusaders, Roman legions, and Macedonian phalanxes for world domination! Centuries later, civilizations clash in the virtual universe, with 99% perishing. Yet, the high mortality rate doesn't deter newcomers, who still dream of conquering the stars and bravely enter this new world...