Since they've reached the Heaven-Reaching Tower of God, Ren tells Ren and Gu that he'd like to share a few things with them. He doesn't know when the tower was built, but he does know that those who cultivate within it are able to advance quickly in their cultivation. Ren explains that guardians are sometimes called "soul guardians" because they have the closest connection to the gods. In other words, they are the ones who have the most intimate knowledge of the universe. Ren tells the story of a brother and sister who climbed the tower of god and developed a technique for cultivating within themselves. The elder brother traveled a long way to establish a clan in another part of the world, and the younger sister was separated from her brother. Eventually, the elder brother's clan was discovered and killed. Ren compares Ren to his ancestor, who was the heir to the extreme yang. When Ren was a blue carp, his ancestor healed him, his enemy, and then he became Ren's follower. He fought many demon lords fiercely, but eventually he was stabbed and killed by his disciple, Lingtian