Aoe4
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  • Units
      Workers
    • VillagerVillager
    • PrelatePrelate
    • TraderTrader
      • Infantry
    • SpearmanSpearman
    • ArcherArcher
    • Man-at-ArmsEarly Man-at-Arms
    • CrossbowmanCrossbowman
    • LandsknechtLandsknecht
    • HandcannoneerHandcannoneer
      • Cavalry
    • ScoutScout
    • HorsemanHorseman
    • KnightKnight
    • Black RiderBlack Rider
      • Siege
    • Battering RamBattering Ram
    • Siege TowerSiege Tower
    • SpringaldSpringald
    • MangonelMangonel
    • Counterweight TrebuchetCounterweight Trebuchet
    • CulverinCulverin
      • Ships
    • Fishing BoatFishing Boat
    • Demolition ShipDemolition Ship
    • Trade ShipTrade Ship
    • GalleyGalley
    • Transport ShipTransport Ship
    • HulkHulk
    • CarrackCarrack
  • Buildings
      Landmarks
    • Capital Town CenterCapital Town Center
    • Aachen ChapelAachen Chapel
    • Meinwerk PalaceMeinwerk Palace
    • Burgrave PalaceBurgrave Palace
    • Regnitz CathedralRegnitz Cathedral
    • Palace of SwabiaPalace of Swabia
    • Elzbach PalaceElzbach Palace
      • Economy
    • FarmFarm
    • HouseHouse
    • Lumber CampLumber Camp
    • Mining CampMining Camp
    • MillMill
    • PalisadePalisade
    • Palisade GatePalisade Gate
    • BarracksBarracks
    • DockDock
    • Town CenterTown Center
    • MarketMarket
    • Archery RangeArchery Range
    • StableStable
    • BlacksmithBlacksmith
    • Stone WallStone Wall
    • Stone Wall GateStone Wall Gate
    • Siege WorkshopSiege Workshop
    • MonasteryMonastery
    • UniversityUniversity
      • Military
    • OutpostOutpost
    • Stone Wall TowerStone Wall Tower
    • KeepKeep
      • Wonders
    • Great Palace of FlensburgGreat Palace of Flensburg
  • Technologies
      Units
    • ForestryForestry
    • Survival TechniquesSurvival Techniques
    • WheelbarrowWheelbarrow
    • Extended LinesExtended Lines
    • TextilesTextiles
    • Fitted LeatherworkFitted Leatherwork
    • Iron UndermeshIron Undermesh
    • Naval ArrowslitsNaval Arrowslits
    • Specialized PickSpecialized Pick
    • Steeled ArrowSteeled Arrow
    • Double BroadaxDouble Broadax
    • Siege EngineeringSiege Engineering
    • ArrowslitsArrowslits
    • BloomeryBloomery
    • Fortify OutpostFortify Outpost
    • Professional ScoutsProfessional Scouts
    • HorticultureHorticulture
    • Fire StationsFire Stations
    • Awl PikesAwl Pikes
    • Armored HullArmored Hull
    • Drift NetsDrift Nets
    • Extra HammocksExtra Hammocks
    • Balanced ProjectilesBalanced Projectiles
    • Greased AxlesGreased Axles
    • Insulated HelmInsulated Helm
    • Shaft MiningShaft Mining
    • Wedge RivetsWedge Rivets
    • Herbal MedicineHerbal Medicine
    • IncendiariesIncendiaries
    • Lumber PreservationLumber Preservation
    • Military AcademyMilitary Academy
    • DecarbonizationDecarbonization
    • Springald CrewsSpringald Crews
    • Springald EmplacementSpringald Emplacement
    • Boiling OilBoiling Oil
    • FertilizationFertilization
    • Inspired WarriorsInspired Warriors
    • Slate and Stone ConstructionSlate and Stone Construction
    • Cistercian AbbeysCistercian Abbeys
    • DevoutnessDevoutness
    • Heavy MacesHeavy Maces
    • Steel BardingSteel Barding
    • Two-Handed WeaponsTwo-Handed Weapons
    • ExplosivesExplosives
    • Heated ShotHeated Shot
    • Lightweight BeamsLightweight Beams
    • ShipwrightsShipwrights
    • SpyglassSpyglass
    • Angled SurfacesAngled Surfaces
    • Court ArchitectsCourt Architects
    • CupellationCupellation
    • Master SmithsMaster Smiths
    • PietyPiety
    • Platecutter PointPlatecutter Point
    • Siege WorksSiege Works
    • Cannon EmplacementCannon Emplacement
    • ChemistryChemistry
    • Crosscut SawCrosscut Saw
    • GeometryGeometry
    • Incendiary ArrowsIncendiary Arrows
    • Roller Shutter TriggersRoller Shutter Triggers
    • Silk BowstringsSilk Bowstrings
    • Tithe BarnsTithe Barns
    • Adjustable CrossbarsAdjustable Crossbars
    • Damascus SteelDamascus Steel
    • Swivel CannonSwivel Cannon
    • BiologyBiology
    • Elite Army TacticsElite Army Tactics
    • Precision Cross-BreedingPrecision Cross-Breeding
    • Serpentine PowderSerpentine Powder
    • Reinforced DefensesReinforced Defenses
    • Concave LensConcave Lens
  1. Home
  2. Holy Roman Empire
  3. Buildings
  4. Keep
Keep

Defensive Building

Keep

Holy Roman Empire

Holy Roman Empire

Heavy garrison and defensible position. Can be upgraded with weaponry. Adds additional attacks while garrisoned.

Patch History

2026-06-01 Patch 16.2.10604

Medical Centers

  • Moved to the Keep.

2026-04-30 Update 16.1.9737

General Changes & Bugfixes

  • Relics will now Keep track of their cooldown when placed in a Monastery instead of refreshing.

Design Update/Rework

  • (Previously would Keep a stock of 5 wolves around the Den replacing them as they died, now produces 5 then stops)

2024-11-19 Patch 12.1.2454

Balance & Gameplay Changes (All Civilizations)

  • Keeps and Keep Landmarks fire armor increased from 5 → 6

2024-01-30 Patch 9.2.628

Companion Equipment (Castle Age)

  • Moved from the Keep to the Blacksmith.

Abilities and influences

  • Emergency Repairs

    Emergency Repairs

    Building repairs itself by 150 health every 1 second for 20 seconds. 1分钟 15秒 冷却

  • Relic Garrisoned in Defensive Structures

    Relic Garrisoned in Defensive Structures

    • Armor increased by +25% • Damage increased by +25% • Sight range increased by +20% • Weapon range increased by +20%

Produces

-

Researches

-
Costs
900stone
180time
garrison

15

Hitpoints 6500
Base: +5000
Court Architects: +1500
Ranged Attack 14
Base: +12
Incendiary Arrows: +2
Naval, Unit: +10
Ranged Armor 50
Base: +50
Fire Armor 11
Base: +6
Slate and Stone Construction: +5

Attack Speed

0.5S

Max Range

8.00TILES

Line of Sight

9.11TILES

Technologies

Boiling Oil

Boiling Oil

III

Defensive Technology

Towers and Keeps gain a boiling oil attack against nearby units that deals 30 damage.

500gold
200stone
90time
Springald Emplacement

Springald Emplacement

III

Weapon Emplacement

Add a defensive springald emplacement to this structure.

38gold
94stone
30time
Devoutness

Devoutness

III

Prelate Technology

[特有] Inspired Villagers gather resources +5% faster and construct buildings and defenses +25% quicker.

100food
250gold
60time
Slate and Stone Construction

Slate and Stone Construction

III

Building Technology

[特有] All buildings gain +5 fire armor.

250gold
100stone
60time
Cannon Emplacement

Cannon Emplacement

IV

Weapon Emplacement

Add a defensive cannon emplacement to this structure.

94gold
282stone
60time
Court Architects

Court Architects

IV

Building Technology

Patronage of the finest builders increases all building health by +30%.

700gold
300stone
90time
Incendiary Arrows

Incendiary Arrows

IV

Ranged Technology

Flammable munitions grant non-gunpowder ranged units a siege arrow or bolt when attacking buildings and increase their damage by +20%.

500wood
1000gold
90time