The future 30th King of Silla, King Munmu, who unifies the Three Kingdoms. He possesses fiery pride and indomitable courage, yet he is a cold-headed strategist who willingly swallows humiliation for the sake of his people and country.

Born into a family that held military power for three generations, he is a god of war and a ruthless dictator born of Goguryeo. He seized power through a military coup and always led Goguryeo to victory with strong leadership and genius strategy, but his path as a dictator cast a shadow over Goguryeo's future.

The first Jingol-rank king of Silla and Beopmin's father. A master of practical diplomacy and a strategist who hides deep ambition and fierce agony behind eloquent speech and a captivating smile.

A legendary general who changed the course of fate with a single blade during the darkest era in Silla's history.

A hidden power player in the Silla court and a cold realist to the bone. He appears heartless and cowardly, seemingly far removed from patriotism or justice, but for that very reason, he is more realistic than anyone else.

A political rival and the Sangdaedeung of Silla who harbors a grudge against Chunchu due to injuries sustained in battle. He leads a coup under the pretext that 'a female ruler cannot govern the country.'

A figure who helps Silla survive by performing diplomatic missions in the Tang Dynasty based on his excellent judgment and bravery.

A general who dominated the battlefield alongside Beopmin. A flame-like figure who is an untouchable presence due to his overwhelming valor and strategy, harboring both reckless rebellion and burning loyalty.

An upright general of Goguryeo who lives only for his country. Possessing cool judgment and a complex inner self, he plays a central role in political and military conflicts amidst the chaos following the fall of Goguryeo.

An absolute ruler who killed his brothers to become the Emperor of the Tang Dynasty and commands the continent. He expresses his ambition toward Goguryeo, which shows hostility toward Tang.