Yeah, and some endings make it clear said shard is so powerful that it can hold back the entire Imperium's armada, and you can enslave it or as an iconoclast you can even help Nomos superimpose himself on it and literally become it. Thus granting the entire region of space a benevolent deity to watch over it. A bunch of endings can have the climax be that the Lord Captain secedes from the empire, and creates his own splinter faction in the Koronus Sector.
You can also, unbelievably, straight up destroy the shard. Which shouldn't be possible.