
Effect · every source
How to increase Stationed Heavy Infantry Toughness in CK3
8 sources raise Stationed Heavy Infantry Toughness and 1 lowers it in the game files of patch 1.20.0.3.
stationed_heavy_infantry_toughness_multIn Crusader Kings III, 8 sources raise Stationed Heavy Infantry Toughness and 1 source lower it. Biggest raises: Barracks +70%, Crown Smithies +60%, Watchtowers +28%, Crown Smithies +25% and Crown Smithies +25%. It goes down with Barracks -70%. Patch 1.20.0.3, from the modifiers of traits, perks, traditions, buildings and the rest of game/common.
The biggest boosts
+70%BarracksBuilding · Province
+60%Crown SmithiesBuilding · Province
+28%WatchtowersBuilding · Province
What raises Stationed Heavy Infantry Toughness (8)
Buildings (8)

Barracks+70%
Province
Levels 3–8: +20% to +70% (6 levels give it)
barracks· game/common/buildings/00_standard_military_buildings.txt
Crown Smithies+60%
Province
Levels 1–3: +30% to +60% (3 levels give it)
blacksmiths· game/common/buildings/00_duchy_capital_buildings.txt
Watchtowers+28%
Province
Levels 1–8: +10% to +28% (8 levels give it)
watchtowers· game/common/buildings/00_standard_fortification_buildings.txt
Crown Smithies+25%
Province · culture with Metalworkers
Levels 1–3: +15% to +25% (3 levels give it)
blacksmiths· game/common/buildings/00_duchy_capital_buildings.txt
Crown Smithies+25%
Province · culture with Coking
Levels 1–3: +15% to +25% (3 levels give it)
blacksmiths· game/common/buildings/00_duchy_capital_buildings.txt
Warrior Lodges+25%
Province
Levels 2–8: +10% to +25% (7 levels give it)
warrior-lodges· game/common/buildings/00_standard_military_buildings.txt
War Camps+20%
Province
Levels 1–2: +15% to +20% (2 levels give it)
war-camps· game/common/buildings/00_tribal_buildings.txt
Quarries+4%
Province
Levels 7–8: +2% to +4% (2 levels give it)
quarries· game/common/buildings/00_standard_economy_buildings.txt
What lowers Stationed Heavy Infantry Toughness (1)
Buildings (1)

Barracks-70%
Province · culture with Strength in Numbers
Levels 3–8: -20% to -70% (6 levels give it)
barracks· game/common/buildings/00_standard_military_buildings.txt
Source: game/common/buildings/00_duchy_capital_buildings.txt, game/common/buildings/00_standard_economy_buildings.txt, game/common/buildings/00_standard_fortification_buildings.txt, game/common/buildings/00_standard_military_buildings.txt, game/common/buildings/00_tribal_buildings.txt and the English localisation, Crusader Kings III 1.20.0.3. Building chains are shown once, at their strongest level, with the range over their levels. Effects that come only from events or scale with a script value are not listed.