The Fall of Xiangyang" is a mission in Age of Empires IV where players take command of the Mongol Empire as they lay siege to the heavily fortified city of Xiangyang. Set during the Song dynasty, this mission challenges players to utilize Mongol military strategies and their famed mobility to overcome the city's formidable defenses, eventually breaching its walls and securing a decisive victory in the Mongol conquest of China. The mission emphasizes strategic use of siege weapons, resource management, and efficient army coordination to outmaneuver the Song defenders.