When you meet Uncle Yin Ling when catching ghosts, you can get Uncle Yin Ling’s broken silver by killing the monster. You can take ten pieces of silver and go to the pawn shop to exchange them for special items. Special items are divided into: small ring’s. Tanghu Lu, Zeng Shushu’s unnamed book, Zhang Xiaofan’s recipe book, Wild Dog Taoist’s Umbrella, You Ji’s Veil, these quest items are used for cross-fertilization