Black Vault
Black Vaults are vaults within Deathwatch Watch Fortresses, that contain arsenals of masterpiece artefacts fashioned by the Imperium's greatest smiths and artificers. These Vaults are protected by Deathwatch Adeptus Astartes known as Castellans of the Black Vaults.[1]
Sources
- 1: Codex: Deathwatch (9th Edition), pg. 37 - Warlord Traits