These three materials were highly effective for refining tribulation-crossing treasures. The most precious among them was the Nine-Lights Divine Mud, which possessed formidable restorative properties and was one of the finest materials for refining treasures to withstand tribulations.
As Han Changming knew, there was a strange beast in the cultivation world called the Nine Roar Beast, which fed on metallic ores. After a seventh-rank Nine Roar Beast devoured vast quantities of metal ore, it could produce a material such as Nine-Lights Divine Mud. Treasures refined from this material were highly effective at resisting lightning tribulations.
"Nine-Lights Divine Mud? That's a seventh-rank material. Even Body Integration Cultivators would covet it! You think you can trade for Nine-Lights Divine Mud with just a few top-grade pills?"
Ouyang Ling said with a frown.
The other Void Refinement cultivators said nothing, but displeasure showed on their faces as well.
Fairy Yuexi wanted to trade for a tribulation material like Nine-Lights Divine Mud and thought she could fob them off with top-grade pills. Did she take them for fools?
Fairy Yuexi picked up a green porcelain bottle and said, "There are two top-grade Ren Water Jade Ganoderma Pills inside. After ordinary cultivators take them, their aptitude can be further improved. Their cultivation speed will rival that of cultivators with heavenly spiritual roots and far surpass that of dual spiritual-root cultivators."
Under normal circumstances, Void Refinement cultivators faced a Grand Heavenly Tribulation every three thousand-odd years. Most Void Refinement cultivators had to survive five Grand Heavenly Tribulations before they had a chance to advance to the Body Integration Realm. It was not that they absolutely had to undergo five such tribulations, but that most Void Refinement cultivators had ordinary aptitude and cultivated too slowly, forcing them to endure several more Grand Heavenly Tribulations.
Each Grand Heavenly