Nocturne

planet · death world · Ultima Segmentum
rank I
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Record by era

This archive tracks four layers. A record present in 3 of them (HH, M41, IND) is silent in the rest, and says so.

The Horus HeresyM30–M31
imperium
Homeworld of Vulkan and the XVIII Legion

A volcanic world locked with its oversized moon Prometheus, torn apart every fifteen years when the two draw close. Vulkan's body was carried home to it after Isstvan.

Age of the ImperiumM32–M40
[RECORD LOST]
No record for this location in Age of the Imperium.
The 41st Millenniumpre-Rift
imperium
Salamanders homeworld

Seven cities, endless forges, and a population that shelters underground for the Time of Trial. The Chapter's fortress-monastery is on Prometheus, not the planet.

Era Indomituspost-Rift
imperiumImperium Sanctus
Salamanders homeworld

Held, and still hammering out weapons for a war that now runs on both sides of the Rift.

Position

Map frame: 628, 700 in the archive's 0–1000 disk space (core at 500, 500).
Distance from the core: 237 units ≈ 25.3k light years, south-east of the galactic core.
Height above the disk plane: 1.6 units — invented thin-disk jitter, deterministic per record. No published source gives any location a z coordinate.
System: Nocturne System — also here: Prometheus

Books set here

8 titles in the reading tracker touch this record, 7 of them as a primary location. Titles link out to the tracker.

Provenance

Every fact in this record, and where it came from. Editorial derivations say so.