After dealing with these matters, Zhao Fu went to the place where yin soldiers were transformed. He still decided to place the site for cultivating soul beasts here, because keeping it in the Netherworld would be too unsafe—it could easily be discovered and destroyed, rendering all their efforts futile.
Zhao Fu also intended to expand the conversion site somewhat so it could gather even more yin energy. As for how to do that, he had already thought of a method.
In the previous ruins, Zhao Fu and the others had slain a Stone Dragon and obtained a Yin Vein Pearl. This pearl could not only provide vast amounts of yin energy, but also turn the conversion site into a treasured land rich in yin energy.
The power of a yin vein was exceedingly great. The Demon Horn Empire had become so powerful by relying on that single demon vein. Though this yin vein could not compare to it, it could still produce formidable effects.
Arriving at the center of the yin land, Zhao Fu crouched down and pressed the Yin Vein Pearl into the ground. The pearl emitted a powerful radiance as an invisible force spread outward.
Roar!
An enormous dragon's cry rang through all directions. A vast torrent of yin energy shot into the heavens, yin clouds surged toward this place, and a howling yin wind rose. An icy force shook the surroundings, making people's hairs stand on end.
The phantom of a colossal yin dragon appeared. It had gray scales, gray dragon horns, and gray dragon eyes as it coiled around the conversion site.
Boom!
After the yin dragon appeared, the conversion site seemed to come alive, erupting with a powerful yin force that spread in every direction. The ground swiftly turned gray and filled with dense yin