Heart Soul Wood, Fierce Essence Stone, Fire God Crystal...
Looking at the names of the precious materials appearing atop the restriction on the high platform, Qin Fengming's heart trembled violently. Every one of these materials was exceedingly precious. Just as the Mahayana Existence had said, they were also materials that only Profound Tier cultivators could use.
"These materials..." Looking at the dozens of material names appearing on the restriction barrier, Qin Fengming's eyes suddenly widened. He abruptly realized that all these materials primarily contained immense soul energy.
A Mahayana Existence had suddenly begun searching for materials containing soul energy, and in unlimited quantities at that. This made Qin Fengming suddenly feel that something difficult to explain had surged into being.
Among precious items containing soul energy, Soul Stones could be said to be the most suitable.
However, Soul Stones were truly far too rare in the Cultivation World. Their scarcity was such that even the exceedingly rare heavenly treasures and earthly treasures were far inferior by comparison.
When True Person Yiyang and Fairy Yaoxi's souls had seen the few Soul Stones Qin Fengming took out, they had immediately revealed delighted expressions and asked for them. This alone was enough to show that even Mahayana Existence possessed very few Soul Stones.
Qin Fengming could also determine that although Soul Stones could allow cultivators to rapidly recover their soul energy, they were no longer suitable for refining soul-type magic treasures.
This Mahayana Existence was collecting so many materials containing soul energy naturally to refine treasures.
These materials were also precisely what Qin Fengming had always been most concerned with collecting. His Treasure Refining Ghost Refining Art could refine any material containing soul energy.
The exclamations in the cavern continued for more than a dozen breaths before gradually subsiding.
"Very well, fellow Daoists.