Warhammer: The Lost Primarch

Time setting: The 42nd millennium. After the Great Rift tore the galaxy apart, the Imperium of Man is in its darkest hour, and the Emperor's power is steadily waning.

Setting: The story begins aboard an abandoned space station on the edge of the Eye of Terror, then spans several iconic locations in the Warhammer Universe, including the Imperial Palace on Terra and the Forge World of Mars.

Basic background: The protagonist transmigrates into the Twenty-First Primarch, secretly created by the Emperor and designed as the ultimate weapon against Chaos. But an accident sent him to the real world. Now he has returned to the Warhammer Universe with modern knowledge.

Synopsis

Sudden Awakening: Lin Ye, a game designer, transmigrates into the Warhammer World while testing his new game. He finds himself aboard an unfamiliar space station, in a body transformed into a three-meter-tall super-soldier.

Primarch Identity: Lin Ye gradually discovers that he has the abilities of a Primarch, and awakens psychic powers during a battle against Chaos Space Marines.

Mysterious Guidance: He receives a psychic message from the Golden Throne, directing him to the Imperial Palace on Terra to seek the truth.

Encounter with the Imperium: Inquisitor Aileen Wayne discovers him and takes him back to the Inquisition. Genetic testing confirms that he is a Primarch, but some senior officials question the result.

The Mystery of His Origins: A Fabricator-General of Mars reveals that Lin Ye is the Twenty-First Primarch, "the Watcher," secretly created by the Emperor and designed as the ultimate weapon against Chaos.

Journey to Terra: Lin Ye heads to the Imperial Palace on Terra to meet the Emperor. On the way, he faces interference from the forces of Chaos, revealing Horus