Taoist Priest, Please Go Slowly

Li Ji, whose courtesy name is Scimitar and whose nickname is Dadan Layman. Since time traveling, he has become a wandering Taoist, traveling to two provinces and fourteen prefectures in the Great Feng Dynasty. Wherever there are monsters, he can be found. All because he has a system that requires on-time monthly repayments. "One hundred-year-old snake demon gall bladder can be used as monthly payment!" "There is still money left after the settlement this month. Do you want to try your luck?" … "We cultivators should keep our word. If we say we want to dig out its guts, we must dig out its guts. We can't wait even a moment!" As the saying goes, once you enter the system, it is as deep as the sea. In the 23rd year of Yongqing, there is a historian's record: After the immortal finished speaking, he held his inner bladder and left from west to east, and has been missing since then...