The Underworld God had indeed stored some precious treasures inside the White Bone Ring. He had specially prepared these treasures so that when he revived in the future, he could quickly restore his cultivation.
The Underworld God turned his gaze toward the enormous Dark Crystal in the great hall. As long as he could absorb and refine all the dark magic power within this Dark Crystal, he would be able to rapidly raise his cultivation to the peak of the Saint Domain.
If an ordinary Undead Magician wanted to absorb and refine all the magic power within this Dark Crystal, they would likely need several years to accomplish it.
But the Underworld God was different. For him, there were dozens of methods that could absorb and refine all the magic power within this Dark Crystal in one to three months.
After pondering for a while, the Underworld God ultimately chose the fastest and most domineering method: an undead magic called Body Refining Rebirth.
This undead magic, Body Refining Rebirth, had been created by the Underworld God himself after he modified the method used to refine liches.
In truth, Body Refining Rebirth had effects similar to refining a lich. Both turned living people into undead, allowing them to gain the formidable power of the undead.
However, the greatest difference between the two was that although Body Refining Rebirth also refined a living person into undead, it preserved the person's five senses. They would not become numb and emotionless like a lich, like a walking corpse.
The Underworld God planned to use this Dark Crystal as one of the many materials for his Body Refining Rebirth. In just one month, the Body Refining Rebirth would be complete, and his cultivation would successfully reach the peak of the Saint Domain.
"This place is