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
Imperial system defence ship
A system defence ship guarding the mining world of Chiaro, under Captain Sythero with First Officer Gideon Brindle, beside its sister ship the Ultrix. The novel opens aboard her (Deathwatch).
Position: Chiaro System (Chiaro) System defence ship assigned to protect the mining world of Chiaro Cited in Deathwatch
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.
identityhigh
wh40k.lexicanum.com/wiki/Ventria (read directly in a browser on 2026-10-03): 'an Imperial System Defence Ship assigned to protect the Mining World of Chiaro'; known crew Sythero (Captain), Gideon Brindle (First Officer), Korren and Hayter (bridge officers), Ormond Greeves (weapons tech), all cited to Deathwatch (Novel) Act 1 ch. 1. https://wh40k.lexicanum.com/wiki/Ultrix: the other defence ship of Chiaro, under Captain Mendel (ch. 1). NAME-COLLISION CHECK: no index record uses the name.
book-joinmedium
VISITED for Deathwatch: Act 1 ch. 1 is set among its bridge and gun crews (Lexicanum Ventria, Sythero, Gideon_Brindle, Korren, Hayter, Ormond_Greeves, all ch. 1). That the chapter is set ABOARD her is read from five crew pages citing it, not a quoted line.
positionshigh
m41, at Chiaro, the world it is assigned to protect (Lexicanum Ventria). No hull class is published, so no archetype is claimed.
erasmedium
m41 only, the era the shelf files Deathwatch in. Allegiance imperium.