At the source of Chinese civilization, there is an unknown "Contract of Heaven". Whenever a unified dynasty is established and reaches the peak of its national power, culture, and spirit, its "national soul" will awaken. By then, the ruling core of the dynasty will learn the truth about the world: Our world is like a bubble floating in a dark universe, and the universe is filled with predatory civilizations called "Locusts of the Void."
In order to protect the surface world, a semi-independent space-time rift called the "Great Wall of All Realms"* was constructed. It is not a physical wall, but a multi-layered defensive space supported by the "national soul" energy of the prosperous dynasties of past dynasties. The flow of time is different from the surface world.
It went on like this for thousands of years, until modern society...
