On the barren land that was the Great Realm, a group of people, barely clothed, were busy at work. They quarried rocks, sharpened tools, and made plans for the few fertile soil scattered across the land.

Divided into groups of dozens, they scattered in all directions and began to explore the surrounding area.

At the edge of a fertile land, over 100 people were seated in a circle and engaged in a heated debate. Eventually, they elected seven individuals—five men and two women—and then unanimously chose a dignified-looking middle-aged man to serve as their leader.

With their leadership settled, these leaders reorganized the large group of idle people, assigning each a specific task. Hundreds of young men and women knelt before a makeshift stone platform and began praying for rain. Others used stone shovels to dig into the ground, creating large pits and then digging ditches to connect them. It appeared they were preparing to store water once the rain fell.

Sure enough, a heavy downpour began, though the sky remained dark red, and the full moon still hung high in the sky, giving the rain an...