"How do we trade for this soul crystal?" Jiang Chen asked eagerly.
The shopkeeper pondered for a moment and held up three fingers. "Three Nether Coins, or other rare materials of equal value."
Nether Coins were the universal currency of the Underworld, minted by the Nether Dynasty. They contained a dense concentration of Nether Qi and offered some benefits for cultivation. But since Jiang Chen had just arrived, he naturally possessed no such currency.
Chapter 322