The Dyson Sphere War was one of the few relatively famous story battles in Stellaris.
Although Stellaris had next to no plot, and its gameplay was entirely random rather than following a storyline, the developers had still put together a story in an official trailer to promote a new DLC.
It told of a major war that erupted between the Human Federation and the Xindari Triumvirate over an abandoned Dyson Sphere in an unclaimed system.
The war ended in victory for the Human Federation, while the Xindari Federation lost almost its entire fleet, triggering a domestic machine intelligence uprising that brought about its destruction.
This battle also established the Human Federation as a true power. Although the United Nations of Earth had been founded long before, it was only after the Dyson Sphere War that the Human Federation formally became the dominant power in that region of space. None of the petty powers around it dared stand in its way again.
Since the Grand Curator had already mentioned this abandoned Dyson Sphere, the two nations would probably come to blows soon.
Still, Xi Yan kept feeling that this was much earlier than the timeline he remembered.
Buried memories suddenly came back to haunt him. Xi Yan abruptly recalled that he had previously reminded Bai Fengfeng, the United Nations of Earth's Grand Marshal, to explore the map thoroughly. Who knew? He might discover a Dyson Sphere...
Oh no, the butterfly effect was kicking in!
He had a strong feeling that the Dyson Sphere War had been brought forward considerably. But that was fine. In the standard storyline, the United Nations of Earth ultimately won a pyrrhic victory—but in this life, Xi Yan was here!
They were fellow humans, after all. In this life, the Interstellar Human Military Junta could back the