It is difficult to find in the wilderness. Even if it exists, it has already been obtained by countless cultivators, with many uses, and its value similarly requires hundreds of thousands of Lower-Grade Spirit Stones.
Profound Yellow Spirit Soil is the same, a Spiritual Object that countless Spirit Plant Masters dream of acquiring. If it weren't for his good luck, he would never have obtained it.
There's also the Golden Essence, the Heart of Earth Fire.
Golden Essence is only born in spirit veins above Third Grade, and such places are often territories of strong cultivators and demon beasts. How easy is it to access?
The Heart of Earth Fire, Nanming Li Fire, is the Spiritual Fire that many Alchemy Masters dream of acquiring.
