After reading for an entire day and night, he had only finished half of the Detailed Guide to Medicinal Materials.
With medicinal effects, a hair's breadth of error could lead a thousand miles astray. To avoid mistakes, he read very carefully, which slowed him down.
Besides, the book was thick.
Putting the book away, Tang Yan went to Clear Sky Peak's spirit herb garden and began tending the medicinal plants.
[Golden Spirit Seed: water with half a bowl of water and one drop of Spirit Liquid daily.]
Following the instructions his eldest senior brother Sun Long had given him, Tang Yan scooped out half a bowl of water, added a drop of Spirit Liquid, and poured it around the spirit herb's roots.
Then Tang Yan infused a strand of Spirit Power with Divine Soul Power, enveloped the entire golden spirit seed plant, and began sensing its medicinal properties.
Though the varieties of medicinal plants were as vast as a sea of mist, they could be classified by yin and yang, the five elements, the four energies, the five flavors, and so on.
Then, according to the strength of their properties, they could be combined into pills with different effects.
The four energies referred to cold, hot, warm, and cool.
There were further intricacies if one subdivided them, such as intensely hot, mildly hot, intensely cold, mildly cold, and so forth.
For instance, someone afflicted with fire poison could be treated with heat-clearing pills formulated from cold-natured medicinal ingredients.
The five flavors referred to pungent, sweet, sour, bitter, and salty.
Of course, these were broad categories. Further subdivisions included unusual flavors such as astringent and bland.
Medicinal plants of different "flavors" also had targeted effects on different symptoms.
After sensing it for only a short while, Tang Yan felt a slight