Also known by his style name Song Xizhou, he is the Great-Grandfather of Song Zhanjin. He is a hero who abandoned the pen to take up arms defending the nation and was sacrificed on the battlefield over forty years ago. After being gravely wounded, he fell into a slumber within the spatial boundary until Lin Wanjun awakened him. He serves as the guardian of the mysterious space that chose Lin Wanjun as its new master.
