Isstvan III

planet · dead 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
chaos
Site of the Isstvan atrocities

The Warmaster's purge. Horus virus-bombed his own legions to burn out every warrior who would not follow him, then bombarded the survivors holding the Choral City for three months.

Age of the ImperiumM32–M40
[RECORD LOST]
No record for this location in Age of the Imperium.
The 41st Millenniumpre-Rift
none
Dead world; interdicted

Uninhabited and shunned. Twelve billion people lived here before the Heresy.

Era Indomituspost-Rift
noneImperium Sanctus
Dead world; interdicted

Nothing has changed and nothing is likely to.

Position

Map frame: 640, 440 in the archive's 0–1000 disk space (core at 500, 500).
Distance from the core: 152 units ≈ 16.2k light years, north-east of the galactic core.
Height above the disk plane: 2.6 units — invented thin-disk jitter, deterministic per record. No published source gives any location a z coordinate.
System: Isstvan System — also here: Isstvan V

Books set here

5 titles in the reading tracker touch this record, 2 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.