All Hail the Emperor: Summoning My Way to Unrivaled Rule

The Age of Emperors for All Has Begun! Li Junlin transmigrates to a different world of Origin Martial Arts and becomes the emperor of the Great Tang. The sects are flourishing, the land is divided among warlords, and imperial authority is in decline. At this moment of crisis, Li Junlin awakens the Myriad Heavens Summoning System! He summons divine warriors to quell the rebellion and seize control of the throne! Three years later, the struggle for supremacy begins. The territories of all the transmigrated emperors are revealed, and a great war is about to erupt... (This blurb isn't doing the story justice. Please read the novel itself.)