During the Tianqi period of the Ming Dynasty, Liaodong was at war. Civilian Yuan Chonghuan (pseudonym) was defending the city of Ningyuan with an arrow falling from an enemy tower. When he was about to die, he awakened to the city god's edict and became the only human agent of the city god of Ningyuan. He was granted the guardianship authority of "the city wall is indestructible and the divine power is inexhaustible". He entered Taoism with literature, used gods to forge cannons, used a mortal body to control the earth's veins, dispatched dark soldiers, led thunder to break formations, and reconstructed the Ping Liao epic in the cracks of real history. The main plot revolves around the astonishing confidence of the "Five Years of Ping Liao" - on the surface it is the rise of military wizards, but in fact it involves the triple crisis of the loosening of the ancient seal, the decline of the Ming Dynasty's dragon energy, and the collapse of the city god system; and the imperial edict that ultimately delayed his death by 3,600 swords was actually written long before he was born...