The Imperium had more important matters to deal with.
As for these soldiers, they would remain here and handle the Imperium's investigation.
As for the mortal soldiers, beyond their shock, they were also considering how the Imperium would react.
After all, so many Chapters had arrived at once. Probably no one in the entire Imperium would be able to sleep soundly.
Moreover, to the Imperium—or rather, to those humans—the Astartes were no different from other xenos. They had already transcended the category of humanity. Some Astartes did not even consider themselves human, and the threat the Astartes had posed during the Horus Heresy had left the Imperium perpetually living under the shadow of Space Marines.
So, amid such conflicting contradictions, if someone were to tell a few High Lords that at least a dozen Astartes Chapters, along with their fleets, had entered Terra without any orders or formal clearance, what would the Imperium think?
Their first reaction would certainly be that a second Horus Heresy might have erupted, and that those Chapters had already reached the heart of the Imperium. Their next step would be to seize Terra.
And for the human nobles, their response would inevitably be to oppose those Chapters.
Thus, in the eyes of the Imperium, these Chapters were all invisible rebels.
Just as the soldiers had anticipated.
The appearance of so many Chapters, all at the same checkpoint, already suggested that the Imperium faced the risk of civil war. Before long, someone reported this intelligence up the chain. The Departmento Munitorum and other organizations under the High Lords swiftly informed the High Lords themselves. At that very moment, the subordinates of those uninformed High Lords also realized that these people had most likely come for the nobles.
Because everyone involved in the persecution of Space Marines