At the end of the Five Dynasties and the beginning of the Song Dynasty, Yanyun's homeland fell to Khitan, the Hexi Corridor was torn apart, and the various departments of the Party were separatist and in chaos.
Feng Yu was reborn in Lingzhou and was deeply involved in the internal struggle among the forces of the army.
He used strategies to check and balance Song and Liao, divide the parties, and firmly control the foundation of Hexi; he concentrated on training his troops, sent his troops north to regain Yanyun, started in the northwest, competed in the Central Plains in troubled times, and rewritten the established world structure in the early Song Dynasty.
