Reborn in the Three Kingdoms, Cultivating Guan Yu to Invincibility in Another World

[Transmigration + System + Shu Han General Guan Yu + High Tech + Superpowers + Cultivation]

Qin Yu: After an accident, he transmigrates to the Three Kingdoms era and becomes Guan Yu, who has just slain Yan Liang and Wen Chou and is serving in Cao Cao's camp while remaining loyal to the Han. Though shocked, he quickly accepts reality and uses the “Martial Saint's Campaign System” to strengthen himself. With his knowledge of history and the System's scanning ability, he maneuvers more easily under Cao Cao, crosses five passes and defeats six generals, and reunites with Liu Bei and Zhang Fei. He earns Liu Bei's trust and Zhuge Liang's close attention, and becomes the de facto administrator of Jingzhou.

As rifts to other worlds multiply, low-level superpowered beings and monsters appear in large numbers, attacking the borders of all three powers. With the System's help, Guan Yu redeems high-tech weapons, cultivation techniques, and more, then forms a special force called the Demon Suppression Bureau. Its members include elite soldiers, people with an initial grasp of inner strength or resistance to superpowers, and a small number of unusual talents recruited from among the common people. They are equipped with specialized weapons to fight these threats.

The invasion from other worlds makes the legitimacy of the Han and the struggle for supremacy among the Three Kingdoms meaningless. Through his immense achievements in fighting foreign threats, his formidable strength, and his technological resources, Guan Yu becomes the actual leader of Huaxia, while Liu Bei serves as its spiritual symbol. Zhuge Liang oversees domestic affairs and technological development. Centered on Shu Han, they unite the ancient martial arts clans and cultivation sects willing to cooperate, mostly those of modest influence, to establish the “Huaxia Guardians Alliance.” They eliminate or conquer the stubborn remnants of Cao Wei, hostile major cultivation sects, and agents of the otherworldly forces.