Eternal memories. By searching the Little Red Book, I learned that the pure music of the Sha Po Lang episode is called Eternal Memories. "Slaying the Wolf" is an ancient novel written by Priest, the author of Jinjiang Literature City. It was serialized in Jinjiang Literature City on January 23, 2015. It tells the story of Gu Yun, the Marquis of Anding in Daliang, and the prince Chang Geng who was brought back from a small border town.