After the 108 Stars of Destiny came together in what is called the Grand Assembly, Guo Sheng, together with Lü Fang, is appointed as the guardian of Liangshan's central camp. That means they are personal bodyguards of Song Jiang. Guo Sheng participates in the campaigns against the Liao invaders and rebel forces in Song territory following amnesty by Emperor Huizong for Liangshan.