Ling yun tells his brother that he has finally found his way back to the mainland. He tells him that he is stronger than before, and that he should not think that he can leave the island easily today. He warns him to be careful, because he is still in the spirit-gathering realm. He also warns him not to think he can escape anytime. He says that he will help him stop the bleeding. When he asks why he came back alone, he is told that it is because of a grievance between him and his younger brother. He asks his son-in-law to do him a favor by reviving the family's business with his daughter, and he promises to do so. He then tells him about the brand pill, a spirit-cultivation pill that the family uses. The original recipe is delicate, but now it contains one more impurity: crack, a colorless and odorless substance that comes from the "ghostly swamp" in the east. It is difficult for the ordinary person to detect this impurity, but once someone stops taking the pill, the soul will dissipate and eventually lead to death