# Chapter 153-154: A Free Windfall, Completing the Pill Formula
On this page of the pill formula, there were seven kinds of spirit herbs.
But Wentian only recognized two of them: hundred-year Yellow Zhi Essence and fifty-year Green Poria.
As for the rest, he had never even heard of them, let alone knew their medicinal properties or what kind of origin qi attributes they possessed.
"Little Friend Yiming."
"What instructions does Daoist Sanshu have?"
"Does your Zhou family have any spirit herb classics? This poor Daoist's knowledge is shallow. There are several spirit herbs I do not recognize. Could you help me fetch some for study?"
"This…"
The youth outside the door hesitated somewhat, and his face was even filled with astonishment.
No matter how he looked at Wentian's appearance, he seemed like someone who had cultivated for twenty or thirty years. Since he was skilled in alchemy, he should have researched various spirit herbs regularly.
