Duchy capital building

Royal Reserves

+15 Popular Opinion+30% Development Growth+1.4/month Taxroyal_forest_01

A royal forest is a valuable source of wealth, allowing you to override the law of the land in a province, strip rights from the locals, and then sell them back. Needless to say, the hunting is also excellent.

Levels

Level	Cost	Time	Levies	Garrison	Main effects
1. Royal Forests	485 gold	1825 d	—	—	+5 Popular Opinion, +10% Development Growth, …
2. Vast Crown Forests	725 gold	1825 d	—	—	+10 Popular Opinion, +20% Development Growth, …
3. Crownswood Courts	1,100 gold	1825 d	—	—	+15 Popular Opinion, +30% Development Growth, …

Level 1: Royal Forests

Each de jure county of the duchy

Popular Opinion+5
Development Growth+10%

Province

Tax+0.8/month

Key: royal_forest_01
Cost: 485 gold
Construction: 1,825 days (5 yrs)
Needs: castle, city or temple level 1
Innovation: Manorialism

Level 2: Vast Crown Forests

Each de jure county of the duchy

Popular Opinion+10
Development Growth+20%

Province

Tax+1.1/month

Key: royal_forest_02
Cost: 725 gold
Construction: 1,825 days (5 yrs)
Needs: castle, city or temple level 1
Innovation: Windmills

Level 3: Crownswood Courts

Each de jure county of the duchy

Popular Opinion+15
Development Growth+30%

Province

Tax+1.4/month

Key: royal_forest_03
Cost: 1,100 gold
Construction: 1,825 days (5 yrs)
Needs: castle, city or temple level 1
Innovation: Cranes

Source: game/common/buildings/00_duchy_capital_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.