The cavern was very quiet,
so quiet that the clear echo of Xu Yuan's footsteps in his black-gold soft cloud boots on the ground could be heard distinctly.
But the cavern was also very noisy,
as within the honeycomb-like dense network of formation pattern chambers on the walls of the cave, thousands of fierce ghosts were emitting shrill and pitiful wails at this moment.
Filtered through the formation, they blended into a continuous drone like that of mosquitoes or flies.
Sweeping his gaze over the scene, Xu Yuan slowly withdrew his gaze.
In the chambers, the mysterious formation patterns were continuously extracting something from the ethereal bodies of the fierce ghosts, and these trapped ghost bodies were fading at a rate visible to the naked eye.
Breeding...
In some worlds, ghosts represent a horror devoid of any hope to humans, but in this world where the human race can transcend, these fierce ghosts are bred like livestock.
