Zheng Fa observed the growth of the spirit plants.
Spirit plants are different from ordinary plants—this point he had discovered at the nursing home.
For example, the Evergreen Talisman can promote the growth of ordinary plants, maturing them overnight, and shorten the cultivation time to an extreme.
But it was useless for the spirit peas he cultivated—Zheng Fa guessed that this was because they contained spiritual energy within them, and had a kind of "resistance" to Spirit Talismans.
To put it more simply, the effect of the Spirit Talisman was being interfered with by the spiritual energy within them.
He guessed that probably some sects also have secret techniques that can speed up the maturity of certain spirit plants.
But like this golden bell, which directly caused the entire medicine garden's spirit plants and spirit beasts to grow rapidly—let alone Zheng Fa, even Zhang had never heard of such a thing.
