The entire conference hall fell completely silent, and all of the journalists were too stunned to even speak.

The Cathayan Underworld had made its move! This was the first plan that the Cathayan Underworld had initiated since its long-awaited return to the world stage, and it was clear that this was one of its trump cards. With that in mind, all of them were extremely eager to hear what Qin Changxin had to say next.

Qin Changxin was naturally also aware that this was one of their sharpest figurative swords.

He took a moment to sweep his gaze across the room before continuing, "The Zhu Rong plan stems from ancient Cathayan legends. During the next 20 years, the Cathayan Underworld is going to survey all of the major cities and build advanced underworld experimentation stations in the cities it deems to be suitable."

He turned around and swept a hand through the air, conjuring up a Yin energy screen within the room.

The screen depicted a circle that was split up into nine layers, and at its center was the universe. This was clearly a dynamic picture, and it wasn't difficult for an Abyssal Prefect to record it, then display it using Yin energy. Furthermore, this image was very familiar to all of the underworld emissaries present.

It was the vastly renowned "Archimedes Yin Rune Wheel."

All of the current known Yin runes stemmed from that wheel, and each layer contained close to 100 Yin runes. These Yin runes combined and interacted with one another in different ways, forming the next layer of Yin runes, which could be individual runes or combinations of multiple runes. All of these...