Rise of the Frontier: From Border Guard to Ruler of All

After transmigrating, the protagonist rises amid the fires of war on the frontier, first making his mark defending a city, then winning fame in a single battle. Summoned to the capital and ennobled, he enters court and puts his wits to work in political struggles before being sent away to build up his strength.

He later carves out a domain of his own, develops the economy, and trains a private army, becoming a warlord who joins the contest for supremacy. As he vies for control of the realm, he first takes the emperor hostage, then unifies north and south. In the end, he ushers in a golden age, reforms the system, and expands the borders. See how the protagonist forges a legendary empire amid the upheavals of the age.