In what was originally supposed to be the Numinous Sky Hall, a giant divine weapon stood erected inside, its eight giant wheels interlocked like before. They didn't have any mechanical bearings. However, with marvelous ingenuity, when the eight wheels were in operation, they could continuously imprint runes of creation onto the object that was being created in the center of the wheels.
On the eight wheels, there were incredibly complex runes of creation. As the wheels operated, the runes lit up brightly, and the power of creation surged from the eight wheels.
From the structure of the Jade Capital City, it looked like there were thousands of heavenly furnaces in the city. Those furnaces had pipes made from divine metal, and those pipes were covered with transmission runes, which allowed them to transport the energy in the furnaces to the eight wheels.