At the end of the Northern Song Dynasty, thirty years before the Jingkang Disgrace, Jianghu forces and court corruption formed a double oppression, and the northern nomads were eyeing it. The undercurrent of martial arts in the Central Plains is surging, the Khitan tribe is re-emerging, and Dali's national destiny is gradually declining, forming the prototype of a three-party competition. The conflict between the old age of a hero and the values of the new generation, the collision between the traditional chivalrous spirit and the desire for power, the tear between the idealistic concept of governing the country and the real politics. The strategic deployment of the three brothers in the wolf's lair metaphors the division of the future power structure through the changes in light and shadow of the fire. Duan Yu demonstrated the improved version of the Six Meridians Divine Sword, and Xu Zhu revealed the Xiaoyao sect's secret military techniques, laying the technical foundation for subsequent military operations.