Duchy capital building

The Theodosian Walls

+15% Levy Size+15% Holding Taxes+10/month Tax+5 Fort Level+7 moretheodosian_walls_01

The Theodosian Walls were built during the reign of Emperor Theodosius II in the early 5th century, but they still remain some of the most formidable fortifications built by human hands.

Effects

Each de jure county of the duchy

Levy Size+15%
Holding Taxes+15%

Province

Tax+10/month
Fort Level+5
Garrison Size+100%
Danger-20

County

Development Growth+0.4/month
Development Growth+20%
Levy Size+30%
Holding Taxes+30%
Hostile Raid Time+50%

Key: theodosian_walls_01
Cost: 3,000 gold
Construction: 2,190 days (6 yrs)
Garrison: 1000

Source: game/common/buildings/00_special_buildings.txt, game/common/holdings/00_holdings.txt, game/common/script_values/00_building_values.txt and the English localisation, Crusader Kings III 1.20.0.3.