This archive tracks four layers. A record present in 2 of them (M41, IND) is silent in the rest, and says so.
The Horus HeresyM30–M31
[RECORD LOST]
No record for this location in The Horus Heresy.
Age of the ImperiumM32–M40
[RECORD LOST]
No record for this location in Age of the Imperium.
The 41st Millenniumpre-Rift
imperium
Ice world, and a recruiting ground
A world that lost its sun to an ork asteroid and kept going underground. The regiments it sends out are the Guard's cold-weather specialists and are treated as expendable accordingly.
Era Indomituspost-Rift
imperium
[RECORD LOST]
[RECORD LOST]
Nothing survives in the archive for Era Indomitus.
Position
Map frame: 740, 452 in the archive's 0–1000 disk space (core at 500, 500).
Distance from the core: 245 units ≈ 26k light years, east of the galactic core.
Height above the disk plane: -0.5 units — invented thin-disk jitter, deterministic per record. No published source gives any location a z coordinate.
System: Valhalla System
Books set here
2 titles in the reading tracker touch this record. Titles link out to the tracker.
Every fact in this record, and where it came from. Editorial derivations say so.
segmentumhigh
wh40k.lexicanum.com/wiki/Valhalla infobox Segmentum = Ultima Segmentum; Class = 'Civilised World, Ice World'; lead — 'famous as the home world of the Valhallan Ice Warriors regiments'
gposlow
derived: Ultima Segmentum, no sector published. Placed in the Ultima interior. Carries no book as a primary — it is the regiment's home in half the Cain corpus and the setting of none of it — and is here because those books' visited links need somewhere real to point