Who did Yan Liuyuan save?

According to Qi Dian's inquiry, Yan Liuyuan came from the first sequence in the novel Night Nomenclature, and Ren Xiaoli was finally saved by Yan Liuyuan in Night Nomenclature. Ren Xiaoli is the protagonist in the first sequence. After fighting against zero, he turned into the will of the world and eliminated the influence of nuclear war on the world. In order to save Ren Xiaoli, Yan Liuyuan collected his soul and turned it into dust. Chen Qing is the protagonist in The Naming of the Night. He has super computing power and a chessboard with taboos. The seedling is actually Yang Xiaojin. She is Ren Xiaoli's lover and an important role in the first sequence. She stayed with Chen Qing until they finally reunited and became gods.