C74 Yin Cao and the Underworld

"Host, there are yin and yang in all things in the world. Since there is a yang, there should naturally be a netherworld as well." The system's voice sounded.

If Wei Yuanmao had comprehended something, then it seemed that the system's ambition was not small. He remembered that there was no underworld in this game, where Divine Level Emperors were located