Guangchengzi came to Mount Kunlun, took Yuanshi Tianzun as master, and studied the Chan arts at Yuxu Palace. Once the Investiture List had been settled, Yuanshi gathered his disciples and sent them down the mountain to help Jiang Ziya and Western Qi.
Guangchengzi left his own seat at his master's order, went with his fellows into the Shang–Zhou war, and took part in meeting the enemy, breaking formations or escorting the Zhou army. When the great war ended, Yuanshi recalled his followers and Guangchengzi left the field.