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Adeptus Terra

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Symbol of the Adeptus Terra

The Adeptus Terra, also known as the Priesthood of Earth, is the central organisation of the Imperium, to which most of the Imperium's other official departments and organisations belong. Only the Ecclesiarchy, Adeptus Mechanicus,[1] and the Inquisition are not formally a part of the Adeptus Terra, while the Space Marines are only loosely affiliated[1].


Organisation of the Imperial government.[1]

The Adeptus Terra is an umbrella organisation, and not really an organisation in itself, as each of its divisions functions largely autonomously. The most powerful individual in the Adeptus Terra (and if not in theory, then in practice, the entire Imperium) is the Master of the Administratum.[1]

Membership to any of the various agencies of the Adeptus Terra is coveted by many of the commoners of the Imperium seeking to obtain a better life for both themselves and their families as even low-level membership comes with it exclusive privileges not given to normal Imperial citizens.[2] At the same time the Priesthood is viewed with a large amount of fear and suspicion by the Imperial populace, who pray it will never infringe upon their lives or their worlds. The gaze of the Adeptus Terra often carries with it the chance of being swept up in endless wars or liquidated in pogroms instituted by overly zealous bureaucrats.[3]


The following are all formally part of the Adeptus Terra[1]



Modern Imperial Organizations
Adeptus Terra Adeptus Administratum (Adeptus AstartesDepartmento MunitorumAstra MilitarumOrdo TempestusImperial FleetImperial NavyMerchant FleetPraeses MercaturaNavis NobiliteOfficio AssassinorumEstate ImperiumTemplars PsykologisOfficio SabatorumOfficio MedicaeOfficio AgricultaeOfficio LogisticarumDepartmento ExactaAstra CartographicaLogis StrategosDepartmento ColoniaDepartmento ProcessiumDepartmento of Final ConsiderationDepartmento ContagioDepartmento GradioQuestio LogisticusRogue TradersImperial Commanders) • Adeptus Astra Telepathica (Sisters of SilenceLeague of Black ShipsScholastica Psykana) • Adeptus AstronomicaAdeptus ArbitesAdeptus CustodesQuestor Imperialis (House Guard) • Adeptus FidiciusSynopticon
Adeptus Mechanicus Cult MechanicusCollegia TitanicaLegiones SkitariiQuestor Mechanicus (House Guard) • Centurio OrdinatusOrdo ReductorLegio CyberneticaAuxilia MyrmidonPrefecture MagisteriumBasilikon AstraDivisio LinguisticaExploratorSect Missionarius MechanicusCollegiate ExtremisAstynomia
Adeptus Ministorum Holy SynodAdepta Sororitas (Sisters of Battle) • Schola ProgeniumMissionarius GalaxiaCreed TemporalFrateris Militia
Inquisition Ordo MalleusOrdo HereticusOrdo XenosOrdo Minoris