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World 11 Has begun (Feb 1 2019)
Note: RoB wiki is currently trying to catch up with the World-11 game changes.


Border Cairn

From Ring of Brodgar
Border Cairn
Hafen-Border Cairn.png
Vital statistics
Size 3 x 3
Skill(s) Required Hearth Magic,Yeomanry and Lawspeaking
Object(s) Required Cloth x5, Block of Wood x15, Stone x30
Repaired With Stone
Can be Lifted No


Hit Points ?
"?" is not a number.
Soak Value N/A
"N/A" is not a number.
Go to Objects
Icon keyboard.pngGovernment > Realm Management > Border Cairn


Realm Object similar to Village Banners which extend the Realm's claim in a square shape making a 450x450 around it.. The Border Cairn drain 10 authority per in-game day and become active after 2 RL hours it build. Once constructed, the realm's authority cap will increase by 5,000.

How to Acquire

Border Cairn must be placed on a flat 3x3 area, at least 3 tiles away from other structures, and can be built only on realm's territory.