The key was that there were many Immortals in the heaven. The number of celestial soldiers and celestial generals was close to 200 billion, which showed how many Immortals there were in the eight desolate universe. Besides, it would take time to mine, so part of the resources in the heaven were really scarce.
The alloy universe was different. Many resources could be directly mined in the open. Most importantly, the resources here were rich and varied. Many precious and rare resources could be found.
This was the resource universe, the biggest difference from ordinary universes. This was the first time celestial Empress had encountered such a universe. She was like a little woman in charge, a trillion falling from the sky all of a sudden. She was extremely excited, and at the same time, she immediately held onto it tightly, not letting go.