C59 The Silver Coins of Judas
"It's a copy of the Judas Silver Coin, made by the Ingrid Black Tower Mage Association. It's 3.5 cm in diameter, 0.17 cm in thickness, made of pure silver, with a side image of Judas painted on the front, a crucifix on the back, able to summon a large number of Kamaitachi …"
After Zhou Heng finished his analysis, he clenched the silver coin in his hand