The Liao and Tang Dynasties Fought for Hegemony, and Li Shimin Became My Prisoner

The protagonist travels through the leader of the Yelv tribe of the Khitan tribe at the end of the Sui Dynasty, integrates the Khitan tribe, unifies the Khitan, captures Liaodong, destroys Goguryeo, destroys the Turks, Xue Yantuo, unifies the northern grasslands, competes with the heroes of the Central Plains at the end of the Sui Dynasty, defeats Li Shimin, and finally settles in the Central Plains