There were seven spirit medicines listed on this page of the Pill Formula.
But Xu Chuan recognized only two: hundred-year-old yellow reishi essence and fifty-year-old green poria.
He had never even heard of the others, let alone known their medicinal properties or the attributes of their vital energy.
"Young friend Yiming."
"What can I do for you, Daoist San Shu?"
"Does your Zhou Household have any reference books on spirit herbs? My knowledge is shallow, and there are several herbs I don't recognize. Could you fetch a book for me to study?"
"Well..."
The youth outside the door hesitated, astonishment showing on his face.
Judging by Xu Chuan's appearance, he looked like someone who had cultivated for twenty or thirty years. Since he was skilled in Pill Dao, surely he regularly studied all manner of spirit herbs.
Yet he couldn't even recognize all the herbs?
Still, he was an apothecary who had passed the Zhou Household's assessment. Unable to decide for himself, Zhou Yiming said, "All right, I'll go ask for you."
He ran off to find the Zhou Household apothecary responsible for the medicinal theory assessment.
"Uncle, that Daoist San Shu is truly strange. He can't even recognize all the spirit herbs in the Pill Formula, and he wants to borrow our reference books. Should we lend them to him?"
"Oh?"
The Zhou Household apothecary was surprised as well.
His assessment had covered the fundamentals, primarily changes in medicinal properties, so he had selected only ordinary herbs.
"Daoist San Shu is the most proficient in medicinal transformations among the four who came this time... Just lend him the clan's Compendium of Spirit Herbs."
"Yes, Uncle."
Before long, Zhou Yiming borrowed the Compendium of Spirit Herbs from the Zhou Household's library and handed it to Xu Chuan.
Xu Chuan had