C55 Another Magical Effect of the Scanning Function

The common currency used between mortals was coppers, silver coins, and gold coins forged by the Empire. The exchange rate was 1: 10.

However, the Demon Pet Master did not eat this set at all!

The Demon Pet Master had an exclusive currency set by the empire... That's right, it was a soul crystal!

Soul crystals were a type of crystal ore that contained a deep energy. After being mined