Although the restriction in this valley was not quite as Senior Qin had said—it did not truly require the full-force strike of a Profound Spirit cultivator—even if attacked by the people present, it would still take several months or longer of uninterrupted assaults to break.
This formation array was not powered by spirit stones. Instead, it absorbed the Heaven and Earth energy within the valley to operate. To break it, they would have to exhaust the formation's energy, which was exceedingly difficult. Only an extraordinarily terrifying attack could accomplish it.
Based on Qin Fengming's judgment, if all the cultivators joined forces to attack the formation, even if they went all out without pause, they would still need a very long time to exhaust the energy near the formation before they could break it.
If dozens or even hundreds of cultivators of such strength joined forces, breaking this formation would of course be no difficult matter. But gathering so many cultivators on Black Mist Island was utterly unrealistic.
Qin Fengming could simply have ignored them and refused to take out what he had obtained inside. But after his thoughts turned, he still magnanimously waved his hand and placed nearly a square of Crimson Soul Sand before them.
As for those spirit herbs, he would not take out even a single stalk.
"Th-this is Crimson Soul Sand! So the matter recorded in those ancient texts truly exists." The moment the sand appeared before them, the dozen or so cultivators present all trembled in expression. They stared intently at it and cried out in shock.
With such a quantity of Crimson Soul Sand, if this had happened in the past, even Qin Fengming would have been violently shaken to see it appear so suddenly.
But after only a moment, everyone discovered the impurities