Put simply, before exchanging for Rule Crystals, you first had to meet the qualifications for exchange. In other words, only after spending Contribution Points up to one hundred points would you have the right to exchange for Rule Crystals.
Every Natural Material Treasure inside this Bronze Cauldron had a prerequisite. Once you met it, you could exchange for them at will.
As for this kind of exchange rule, how to put it—it would motivate the Dao Fusion Realm cultivators present to kill Black Demons with great strength, all to obtain the Natural Material Treasures they needed.
But had the Bronze Cauldron not appeared here at this moment precisely to let the Dao Fusion Realm cultivators increase their strength a little?
By setting such a threshold, it was tantamount to making the possibility of immediately increasing their strength vanish outright.
The spirituality of this Bronze Cauldron always displayed very strange, contrary behavior. No one knew whether its spirituality had been tainted by the Heart Strange Realm, or was being influenced by the Black Demons.
Or perhaps it was the Bronze Cauldron itself that, in its heart of hearts, did not want to give these Natural Material Treasures to the Dao Fusion Realm and Sky Opening Realm cultivators present.
After all, these supreme treasures had been prepared for the descendants of the Devouring Origin Clan, to let them make a comeback like a fallen mountain rising again.
Chen Fei moved his gaze away from the Rule Crystals and looked over the other Tier 6 spirit materials.
In truth, Chen Fei had most of the Tier 6 spirit materials on him, after all, he had killed so many Dao Fusion Realm cultivators.
In a place like the Black Stone Domain, Tier 7 Spirit Materials were hard to find, but most Tier 6 spirit