Not an immortal pill that only immortals and gods could refine, but a remedy for illnesses that even ordinary people of the human race could use!
Shennong Arc: The Struggle of the Medicine Dao
The old man stroked his beard and sighed. "There are countless plants in this world. Alas, I am old and no longer able to explore their mysteries."
"Plants possess spirits, and good and evil are hard to distinguish. If one mistakenly eats something poisonous..."
Before he could finish, Shennong had already slung a medicine basket over his back and headed toward the mountains.
Once that figure vanished at the end of the mountain path, golden light radiated from the old man's body, revealing Pharmacist Bodhisattva's true form.
"Xuandu's Golden Pill Dao?" Pharmacist gazed at the sea of clouds and smiled. "Let us see what kind of Dao this fool who tastes a hundred herbs can carve out."
The pill furnace atop Buzhou Mountain had gathered a thin layer of dust.
Xuandu calculated with his fingers, and turmoil suddenly rose between his brows. Three years had passed without a sight of him, yet the most diligent seeker of the Dao among the human race had vanished without a trace.
When he descended upon the tribe atop the clouds, the sight before him enraged him even more—the tribespeople had abandoned their pill cauldrons for medicine hoes, and tales of Shennong tasting a hundred herbs were spreading throughout the land.
"Western Teachings!" The jade talisman in Xuandu's sleeve shattered, and the Exquisite Pagoda of Heaven and Earth within Eight Sceneries Palace trembled in response.
Dao De Tianzun opened his divine eyes, and the Kunlun Mirror reflected the scene of Pharmacist and Shennong discussing the Dao. The lotus seats of the Two Sages of the West were currently glowing faintly