Ultima Segmentum
The Ultima Segmentum is home to many worlds as it is the most vast segmentum in the Imperium. It contains the Ultramarines empire of Ultramar. The Segmentum Naval Base is Kar Duniash.
It has seen attacks by two seperate Tyranid Hive Fleets, Hive Fleet Behemoth and Hive Fleet Kraken. It also contains the Storm of the Emperor's Wrath, a warp-real space convergence, much like the Eye of Terror but on a smaller scale. It also contains the Maelstrom, another warp-real space convergence point, which is used by various traitors as a hiding place and a launch platform for raids.
It contains many notable planets, including:
It also contains various alien worlds, including:
The world of Gorkamorka or Angelis is located to the North East of the segmentum, within a region of space known as the Ghost Stars. These are not formally part of the Imperium, but can be classed as being part of Ultima Segmentum due to their proxity to it.
Other Segmentums
- Segmentum Tempestus - South West
- Segmentum Solar - West
- Segmentum Obscurus - North West
- Segmentum Pacificus - Far West
