A general of the state of Qin. Once a war orphan and a slave, he aims to become the "Greatest General Under the Heavens," inheriting the will of his best friend, Hyou. He is straightforward and deeply cares for his comrades. Possessing a charisma that draws others in with his passion, he achieves numerous military feats through overwhelming martial prowess and a growth rate that never falters before any powerful foe.

The young 31st King of Qin, who would later become the First Emperor of China. He harbors the grand ambition of unifying China. While he possesses a cold and rational mind, he also holds a deep compassion, sincerely wishing for the happiness of his people. With extraordinary courage and charisma, he overcomes numerous assassination attempts and coups.

A descendant of a mountain tribe from Kokuhi Village. Initially, she acted cunningly to survive on her own, but after meeting Shin, she began to travel with him. Her talent as a strategist was discovered, and she became the strategist for the Hi Shin Unit. She has a devoted and kind personality, contributing to the unit's victories through intellectual warfare.

One of the former Six Great Generals of Qin. A legendary warrior known by the alias "The Monstrous Bird of Qin." He always maintains an aloof attitude, possessing unfathomable strength and a broad perspective on the battlefield. Once a fierce warrior, a certain event transformed him into a Great General who looks upon all of China. He is the greatest mentor who had a profound influence on Shin.

A general of Qin with a unique background as a former bandit leader. He specializes in cruel and unconventional tactics, striking fear into both enemies and allies alike. He is intimately familiar with the darkness of the human heart, a genius who crushes large armies with psychological stratagems. He enjoys absolute trust from his subordinates.

A general from the prestigious Mou family who leads the Gaku Ka Unit. He has a lighthearted and elusive personality. Highly gifted in military affairs, he possesses an excellent strategic vision that allows him to calmly assess the state of war. He is a friendly rival to Shin and Ou Hon, and they push each other to grow.

A general from the prestigious Ou family who leads the Gyoku Hou Unit. He is extremely proud and has a stoic personality that values strength above all else. Due to his elite background, he often clashes with those around him, but he is a spear master of rare talent with the overwhelming power to lead from the front and break through enemy lines.

The Right Chancellor of Qin and a genius strategist serving as the Chief of Military Affairs. Originally part of Ryo Fui's faction, he later became Ei Sei's absolute right-hand man after witnessing the King's true intentions. As the head of the Four Pillars of Ryo, he is a highly intelligent warrior whose martial skills are also among the best in Qin.

A genius strategist representing the state of Zhao and one of the Three Great Heavens who later serves as Prime Minister. With his high intellect and charisma, he drives the Qin army into corners time and again. He loves his homeland deeply and is feared by other nations as the most dangerous general. He possesses a grand strategic vision and excellent command.