Strengthening the foundation and nurturing the origin—this pill contained the qi of the five elements. Cultivators with the vast majority of pulse manifestations could refine it for cultivation.
Unless they possessed those exceptionally rare pulse manifestations.
The scorching pill entered his stomach, and Xu Yan immediately circulated the Eight-Nine Profound Art to refine it. Streams of gentle five-element Mystic Qi spread through his limbs and bones.
"The medicinal potency truly is weak. This mid-to-upper-grade Origin Nurturing Pill does not even possess one-tenth the potency of a supreme-grade Dragon Breath Pill."
Fortunately, this pill contained very little pill toxin.
Xu Yan swallowed five Origin Nurturing Pills in succession. The five-element Mystic Qi within him surged like a rushing river, endlessly scouring the Primordial Spirit Vein before finally crashing against the Heavenly Threshold Pass.
Boom!
Breaking through barriers by force—the Dragon Breath Pill was best suited for Xu Yan to refine and use for Pulse Opening. Yet this pill was too precious. Many of its ingredients had already been lost to history, making it impossible to refine now. Later, he would have to see whether there were any lower-grade substitute pills. Even if he no longer needed Pulse Opening pills in the future, he could still refine them and sell them.
After cultivating for half an hour, he had only loosened the Heavenly Threshold Pass three times.
That towering pass blocking the seventh level of his Dao-body spirit vein looked as though it might collapse at any moment, yet it was extraordinarily tenacious.
"Phew—"
Exhaling a breath of turbid air, Xu Yan opened his eyes. Outside, stars dotted the sky.
He took out the Wanxiang Edict and studied it on his own for a while longer.
This book was a rubbing of the Wanxiang Edict passed down through the Gongsun Clan. Xu