Advance

Fortress

fortress_advancein_game/common/advances/1_building_unlocks.txt:948

The Fortress is the most advanced defensive structure, created by military engineers to withhold the power of the most advanced artillery. They are complex compounds, made of interconnected bastions and casemates, which are designed to maximize the defensive firepower.

Requires

Long Rifle HuntingAdvancerequires

Advance tree

Levée en Masse
Long Rifle Hunting
Fortress
Ordnance Surveys then 2 more

Definitionin_game/common/advances/1_building_unlocks.txt:948

949age = age_6_revolutions

950requires = long_rifle

951unlock_building = fortress

953ai_weight = {

953add = 2

}