Cultivating Immortals and Picking up Scraps

I received a strange private order on a rainy day, and the errand fee was equivalent to a week's salary. When it was delivered, I found that the delivery address was a cemetery and the consignor's phone number was empty. There were two moldy elixirs in the carton along with half a copy of "Miscellaneous Chapters of Hungry Ghost Dao Qi Techniques", with the postscript: "Dispose of it yourself." Chu He sneered: "A new trick to defraud?"