Castellan of the Black Vault
Castellans of the Black Vaults are Deathwatch Adeptus Astartes, that are charged with defending Watch Fortresses' Black Vaults.[1a]
These Black Vaults contain arsenals of the Deathwatch, that are masterpiece artefacts fashioned by the Imperium's greatest smiths and artificers. The Castellans who guard the Vaults are not afraid to make use of them against the Deathwatch's foes, when called upon to do so[1a]. In missions with certain classes of extremis threat rating, the Castellans of the Black Vaults may also grant an exceptional artefact to a veteran Deathwatch warrior of proven skill, in the eradication of Xenos.[1b]
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