Under Lin Fan's restraint, the wars of the Warhammer universe had been thoroughly brought to a halt.
The various races could finally catch their breath amid the slaughter and join hands to repair their shattered world.
Yet the War in Heaven, the Horus Heresy, and Tzeentch's unscrupulous methods in the final battle had left eternal scars upon the Milky Way. Beyond the Milky Way lay only void, while the galaxy itself was riddled with wounds.
Limited space would inevitably bring war. To solve the problem of living space, Lin Fan decided to use his identity as Subjective One to carve out a new home for all living beings in Warhammer.
Using his thoughts, he created a gateway to the world of Arknights and chose the Primarchs Magnus and Leman Russ as the pioneers of exploration.
The two passed through the gateway and arrived in Terra, the setting of Arknights. They explored this world with curiosity, but also discovered that a trace of Chaos energy they had brought over during their crossing had affected this world's peace.
To resolve this issue and find a way to reopen the gateway, the two decided to join Rhodes Island.
Their first mission was to deal with an incident involving Chaos Originium zombies on Columbia's border. The two were immensely powerful and practically crushed every zombie infected by Chaos Originium.
Magnus decided to solve the Chaos Originium problem in a faster way. He performed a ritual, attempting to use psychic power to absorb all the Chaos energy that had spread across the continent.
But he unexpectedly arrived in the spiritual realm inhabited by Demons. His memories and thoughts lit the first spark within that primitive spiritual space.
The entire space began transforming toward the Warp, while the Demons became the Chaos daemon armies Magnus knew