A strange and mysterious experience carried modern agent Du Yunlan from the low-dimensional world he knew into a high-dimensional, uncanny space. After surviving countless brushes with death and finally returning, he was stunned to discover that while only an instant had passed in that space, thousands of years had gone by here. Human civilization, once technologically advanced, had long since been destroyed in internal wars, with barely a trace left behind. “It's fine. I'm familiar with thousands of years of human history, and I know physics, chemistry, biology, and all sorts of other subjects. At worst, I'll lead the survivors in rebuilding civilization...” “What? Human civilization already exists here? What? People can live forever, turn stones into gold, move mountains and overturn seas, and fly on swords? This... this isn't scientific!”
