"Are you a cultivator? How come you don't even recognize the grade of spirit stones?"

"I've been following my master in the mountains to refine medicine, so I don't know much about the basic knowledge of cultivators."

"These colorful ones are called spirit crystals, which are spirit stones with attributes. They're artificial, refined by those cultivators who can't break through to the next level. Spirit crystals are considered superior-grade spirit stones."

"Those white and transparent ones are mined from spirit stone mines. The most transparent ones are near-perfect spirit stones, and the deeper the color, the lower the grade."