I, Guo Jing, the King of Song, Am Attacking You, Dayuan.

The protagonist travels to Guo Jing, the eagle shooter. After Guo Jing opens the bag of tips and learns that he will continue to go south to destroy the Song Dynasty, Guo Jing changes the original storyline and convinces his mother to pretend not to know the secret of the bag, and continues to lead the Mongolian army south to destroy the Jin. He then takes advantage of the Mongolian Khan's struggle to obtain the land of the Central Plains, and is named the King of Zhennan by Temujin. Later, he joined forces with Torre to compete for the position of Great Khan of Mongolia, gradually consuming Mongolia's strength, and finally helped Torre to eliminate the civil strife, leaving Torre to rely on Guo Jing to gain a foothold in Mongolia. In order to strengthen his strength, Guo Jing returned to the Central Plains to train his troops. Then Torre died, and Guo Jing returned to Mongolia to help Torre's son Mengge succeed to the throne. Later, he was forced to surrender to the Southern Song Dynasty and continued to train troops in the Southern Song Dynasty. Unexpectedly, Meng Ge took the opportunity to send troops to sneak attack the Central Plains. Guo Jing lost all the Central Plains that he had managed for ten years. He had to lead the newly trained Southern Song army to the north to confront Meng Ge on the Huaihe River. At the same time, he sent troops to Dali, dispatched troops from the Sichuan Basin, provoked civil strife among Wokuotai and other subordinates, defeated each Khan position one by one, and annexed various Mongolian tribes. Establish a unified empire that transcends the Tang Dynasty and the later Ming and Qing Dynasties.