In the last years of "Dayin", the world fell apart, princes rose up, and wars continued frequently. The once powerful dynasty was divided into several separatist forces, attacking each other, and the people were in dire straits. In this boundless beacon, there is a name, like a cold light in the dark night, which once briefly illuminated certain corners, but was repeatedly swallowed up by deeper darkness. Gongyin. No one knows his name, and few care about his place of origin. People only remember the first time he appeared in front of the world. At that time, he was still young. His armor was covered with blood and mud, but his eyes were as sharp as an eagle. He held a spear and charged back and forth among the thousands of troops. He actually stabilized the defense line that was about to collapse. From that day on, the word "Gongyin" was gradually connected with the word "Changsheng". But at that time, no one expected what kind of whirlpool of fate lurked under the glory of "constant victory"...