Unus is the given name for the collective group of the Iratus. They do not have a home planet, instead inhabiting the planets of other species' and their own ships.
The Iratus are a group of beings that are known for their cruelty and lack of mercy. They are the most feared beings in the universe.
A constant reoccurring theme throughout the World of Immensum; the Iratus and what they are capable of.