Fang Chen had been a cultivator for a little over a year now, and he had never even heard anyone talk about mid-grade spirit stones, let alone see one.5

The spirit stones that were widespread were the low-grade ones, and they were the ones used to settle transactions in markets.0

And even when it came to dial cultivation, Golden Core cultivators only used low-grade spirit stones.9

Initially, Fang Chen hadn’t known much about mid-grade spirit stones, but he had been flipping through Mirror of the Universe a few days ago when he came across an introduction to them. That was when he learned that the difference between mid-grade and low-grade spirit stones wasn’t merely about the amount of spiritual energy they contained. It could be said that they were entirely different cultivation resources!0

Mid-grade spirit stones contained denser and purer spiritual energy, providing a much stronger effect on cultivation level advancement than low-grade spirit...1