Defensive Building

Keep

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

Researches

Patch History

Patch 10.0.576

Keeps now cost 10% less stone to build.

Influence range increased by 1 tile.

Patch 7.1.113

Cannon Emplacement range reduced from 10 to 9.5.

Boiling Oil range reduced from 2 to 1.5.

Boiling Oil damage area changed from a 2.5×1.5 rectangle to a 1 radius circle.

Stone cost increased from 800 to 900.

Costs
810
3:00
Garrison

Can garrison up to 15 units

50006500 Hitpoints
36*42 30 Ranged Attack
6 Fire Armor
50 Ranged Armor
Damage24DPS 28 20
Attack Speed0.5S
Range8TILES
Line of Sight9.111TILES

Technology Upgrades

Springald Emplacement

Age III

Weapon Emplacement

Add a defensive springald emplacement to this structure.

Costs
50
125
0:30

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 IV

Building Technology

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

Costs
700
300
1:30

Age of Empires IV© Microsoft Corporation. AoE4World.com was created under Microsoft's "Game Content Usage Rules" using assets from Age of Empires IV , and it is not endorsed by or affiliated with Microsoft.