Defensive Building

Outpost

Offers extensive line of sight and detects units stealth or disguises. Can be upgraded with weaponry and fortifications. Attacks while garrisoned.

Available for 14 civilizations

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

Researches

Patch History

Season Five Update

All defensive building’s attack radiuses are now made visible to any player when selected.

Help text updated to reflect that bonus applies to advancing Ages as well.

Fixed an issue where Outpost emplacements were affected.

Server-Side Patch 5.1.148

Build time decreased from 45 seconds to 40.

Costs
100
1:00
Garrison

Can garrison up to 5 units

750975 Hitpoints
05 Fire Armor
50 Ranged Armor
Line of Sight13.333TILES

Technology Upgrades

Slow-Burning Defenses

Age III

Defensive Technology

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

Costs
3:45
Unique

Handcannon Slits

Age II

Weapon Emplacement

Add defensive handcannon slits to this structure and increases garrison arrow range by +1. Only one weapon emplacement can be added.

Costs
25
50
0:30

Extra Materials

Age III

Tower & Outpost Technology

Towers and Keeps repair nearby walls and gates for +20 health per second.

Costs
200
75
0:45
Unique

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

Fortify Outpost

Age II

Defensive Emplacement

Add +1000 health and +5 fire armor to this Outpost.

Costs
100
0:30

Cannon Emplacement

Age IV

Weapon Emplacement

Add a defensive cannon emplacement to this structure.

Costs
125
375
1:00

Arrowslits

Age II

Weapon Emplacement

Add defensive arrowslits to this structure and increase garrison arrow range by +1. Only one weapon emplacement can be added.

Costs
25
50
0:30

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

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.