Supreme Spirit Stone Mine?

Not only was Gu Liangyuan surprised, but even Li Xingyi, who was in a perilous situation, was taken aback.

Spirit stones are not created out of thin air. They are either buried deep underground or hidden within mountains, formed over millennia by the convergence of spiritual energy.

A Supreme Spirit Stone Mine, as the name suggests, is a mine capable of producing supreme-grade spirit stones.