Work in Progress: The Knights Templar and House of Lancaster civilizations aren't fully updated and miss stats, abilities and upgrades.
Explorer will continue to be updated over the next few weeks for both old and new civs.
Defensive Building

Keep

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

Available for 15 civilizations

This unit is available for the below civilizations. Click on a civilization to see more detailed information, including specific bonuses and upgrades.

Abbasid Dynasty Ayyubids Byzantines Chinese Delhi Sultanate English French House of Lancaster Holy Roman Empire Jeanne d'Arc Malians Order of the Dragon Ottomans Rus Zhu Xi's Legacy

Produces

Battering Ram
Counterweight Trebuchet
Crossbowman
Handcannoneer
Horseman
Mangonel
Scout
Spearman
Springald
Villager
Bombard
Longbowman
Man-at-Arms
Knight
Ribauldequin
Earl's Guard

Researches

Boiling Oil
Springald Emplacement
Slate and Stone Construction
Mangonel Emplacement
Extra Materials
Village Fortresses
Network of Citadels
Cannon Emplacement
Reinforced Defenses
Slow-Burning Defenses
Enlistment Incentives
Great Bombard Emplacement

Patch History

Season Seven Update

Keeps now cost 10% less stone to build.

Influence range increased by 1 tile.

Patch 9.2.628

Keeps are now selected with Select All Military Buildings to make Jeanne d’Arc’s Companions easier to train.

Costs
900
3:00
Garrison

Can garrison up to 15 units

50006500 Hitpoints
36* 30 Ranged Attack
611 Fire Armor
50 Ranged Armor
Damage24DPS 20
Attack Speed0.5S
Range8TILES
Line of Sight9.111TILES

Technology Upgrades

Village Fortresses

Age III

Keep Technology

Keeps act like Town Centers, including unit production, population capacity, and technology.

Costs
6:00
Unique

Slow-Burning Defenses

Age III

Defensive Technology

Increase the fire armor of Stone Wall Towers, Keeps, and Outposts by +10.

Costs
3:45
Unique

Mangonel Emplacement

Age III

Weapon Emplacement

Add a defensive mangonel emplacement to this structure.

Costs
75
200
0:30
Unique

Springald Emplacement

Age III

Weapon Emplacement

Add a defensive springald emplacement to this structure.

Costs
50
125
0:30

Medical Centers

Age III

Defensive Technology

Town Centers and Keeps heal nearby units for +2 health every 1 second.

Costs
100
250
1:00
Unique

Incendiary Arrows

Age IV

Ranged Technology

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

Costs
500
1000
1:30

Cannon Emplacement

Age IV

Weapon Emplacement

Add a defensive cannon emplacement to this structure.

Costs
125
375
1:00

Boiling Oil

Age III

Defensive Technology

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

Costs
500
200
1:30

Court Architects

Age III

Building Technology

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

Costs
700
300
1:30

Slate and Stone Construction

Age III

Building Technology

All buildings gain +5 fire armor.

Costs
250
100
1:00

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