This archive tracks four layers. A record present in 1 of them (M41) is silent in the rest, and says so.
The Horus HeresyM30–M31
[RECORD LOST]
No record for this location in The Horus Heresy.
Position in this era: [RECORD LOST].
Age of the ImperiumM32–M40
[RECORD LOST]
No record for this location in Age of the Imperium.
Position in this era: [RECORD LOST].
The 41st Millenniumpre-Rift
imperium
Adeptus Mechanicus explorator ship at the Chaeroneia blockade
An explorator ship of the Adeptus Mechanicus. In 999.M41 she carries Archmagos Saphentis's mission to reclaim the returned Forge World of Chaeroneia, joins Inquisitor Nyxos's blockade claiming jurisdiction over the planet, and is placed under Rear Admiral Horstgeld's command for a joint mission with the Inquisition.
Position: Borosis System (Chaeroneia) Adeptus Mechanicus explorator ship of Archmagos Saphentis's mission to reclaim Chaeroneia, placed under Rear Admiral Horstgeld Cited in Dark Adeptus
Era Indomituspost-Rift
[RECORD LOST]
No record for this location in Era Indomitus.
Position in this era: [RECORD LOST].
Position
A mobile record: it carries a position timeline rather than a fixed point. The archive places it in 1 of the four eras (M41); each era section above carries that era's entry.
Books set here
1 title in the reading tracker touches this record. Titles link out to the tracker.
Every fact in this record, and where it came from. Editorial derivations say so.
identitymedium
wh40k.lexicanum.com/wiki/Alaric: No Lexicanum page of her own (a Lexicanum full-text search for 'Exemplar' returns only unrelated uses of the word: Fists Exemplar, Diocletian Exemplar, The Sanguinor: Exemplar of the Host). Read directly in a browser on 2026-10-03: 'the Adeptus Mechanicus explorator ship Exemplar joins the Imperial blockade claiming complete jurisdiction over the planet'; https://wh40k.lexicanum.com/wiki/Saphentis: 'The Exemplar was placed under Rear Admiral Horstgeld's command'; https://wh40k.lexicanum.com/wiki/Nyxos: 'the explorator Mechanicus ship Exemplar'. NAME-COLLISION CHECK: no index record uses the id or label, and no other vessel of the name appears in the search.
positionshigh
m41, the Borosis System (Chaeroneia): Lexicanum Alaric and Saphentis (above), and Antigonus: the survivors 'were later picked up by the Adeptus Mechanicus ship Exemplar in orbit', where Antigonus was quarantined and tested by Magos Thurgild.
classmedium
explorator ship, per Lexicanum Alaric and Nyxos; no hull class is published, so no archetype beyond the generic ship schematic is set.
erashigh
m41 only, the novel's era (999.M41). Allegiance 'imperium' (Adeptus Mechanicus).