Effect · every source

How to reduce Men-at-Arms Maintenance in CK3

4 sources raise Men-at-Arms Maintenance and 34 lower it in the game files of patch 1.20.0.3 — for this one, lower is better.

men_at_arms_maintenance

The biggest reductions

-75%ConquerorTrait
-50%Veteran AdventurerTrait
-50%NomadicGovernment · Rulers with this government

What lowers Men-at-Arms Maintenance (34)

Traits (3)

Conqueror-75%
conqueror · game/common/traits/00_traits.txt
Veteran Adventurer-50%
adventurer · game/common/traits/00_traits.txt
Valued Warlike Courtier-5%
warlike_court_2 · game/common/traits/00_traits.txt

Cultural traditions (1)

Eastern Roman Legacy-15%
Characters of this culture
tradition_roman_legacy · game/common/culture/traditions/00_realm_traditions.txt

Culture pillars (1)

Bellicose-10%
Characters of this culture
ethos_bellicose · game/common/culture/pillars/00_ethos.txt

Innovations (2)

Ghilman-15%
Characters of this culture
innovation_ghilman · game/common/culture/innovations/00_early_medieval_innovations.txt
Battlements-5%
Characters of this culture
innovation_battlements · game/common/culture/innovations/00_early_medieval_innovations.txt

Holy sites (10)

Sarysyn-10%
Sarysyn · Followers, while the faith holds it
sarysyn · game/common/religion/faith_types/00_faith_types.txt
Bono-5%
Bono · Followers, while the faith holds it
bono · game/common/religion/faith_types/00_faith_types.txt
Ranaheim-5%
Þrándheimr · Followers, while the faith holds it
ranaheim · game/common/religion/faith_types/00_faith_types.txt
Nutapkauspe-5%
Menas · Followers, while the faith holds it
nutapkauspe · game/common/religion/faith_types/00_faith_types.txt
Sarysyn-5%
Sarysyn · Holder of the county
sarysyn · game/common/religion/faith_types/00_faith_types.txt
Hachimangū-5%
Buzen · Followers, while the faith holds it
hachimangu · game/common/religion/faith_types/00_faith_types.txt
Bono-2.5%
Bono · Holder of the county
bono · game/common/religion/faith_types/00_faith_types.txt
Ranaheim-2.5%
Þrándheimr · Holder of the county
ranaheim · game/common/religion/faith_types/00_faith_types.txt
Nutapkauspe-2.5%
Menas · Holder of the county
nutapkauspe · game/common/religion/faith_types/00_faith_types.txt
Hachimangū-2.5%
Buzen · Holder of the county
hachimangu · game/common/religion/faith_types/00_faith_types.txt

Buildings (15)

Great Barracks-12%
Holder
celestial-great-barracks · game/common/buildings/tgp_great_project_buildings.txt
Jousting Grounds-10%
Holder
Levels 1–3: -6% to -10% (3 levels give it)
jousting-lists · game/common/buildings/00_duchy_capital_buildings.txt
Crown Smithies-10%
Holder
Levels 1–3: -6% to -10% (3 levels give it)
blacksmiths · game/common/buildings/00_duchy_capital_buildings.txt
Archery Grounds-10%
Holder
Levels 1–3: -6% to -10% (3 levels give it)
archery-ranges · game/common/buildings/00_duchy_capital_buildings.txt
Imam Ali Mosque-10%
Holder
holy-site-imam-ali-mosque · game/common/buildings/00_special_buildings.txt
Great Mosque of Mecca-10%
Holder
holy-site-great-mosque-of-mecca · game/common/buildings/00_special_buildings.txt
Temple of Uppsala-10%
Holder
Levels 1–2: -10% to -10% (2 levels give it)
temple-of-uppsala · game/common/buildings/00_special_buildings.txt
Regimental Grounds-7.2%
Holder
Levels 1–8: -1.6% to -7.2% (8 levels give it)
regimental-grounds · game/common/buildings/00_standard_military_buildings.txt
Caravanserai-6.4%
Holder
Levels 1–8: -0.8% to -6.4% (8 levels give it)
caravanserai · game/common/buildings/00_standard_economy_buildings.txt
Militia Camps-6.4%
Holder
Levels 5–8: -4% to -6.4% (4 levels give it)
military-camps · game/common/buildings/00_standard_military_buildings.txt
Martial Grants-5%
Holder
Levels 2–4: -1% to -5% (3 levels give it)
oath-warriors-building · game/common/buildings/99_ach_buildings.txt
Grand Temple-2.5%
Holder
holy-site-other-grand-temple · game/common/buildings/00_special_buildings.txt
Grand Mosque of Yazd-2.5%
Holder
yazd-mosque · game/common/buildings/cp6_special_buildings.txt
Quarries-2%
Holder
Levels 2–8: -1% to -2% (7 levels give it)
quarries · game/common/buildings/00_standard_economy_buildings.txt
Hunting Grounds-1%
Holder
Levels 5–8: -1% to -1% (4 levels give it)
hunting-grounds · game/common/buildings/00_standard_economy_buildings.txt

Laws (1)

Defense Mobilization-15%
Imperial Policies · Rulers with this law
defense_mobilization_law · game/common/laws/03_imperial_policies.txt

Governments (1)

Nomadic-50%
Rulers with this government
nomad_government · game/common/governments/00_government_types.txt

What raises Men-at-Arms Maintenance (4)

Cultural traditions (1)

Art of War+20%
Characters of this culture
tradition_tgp_art_of_war · game/common/culture/traditions/tgp_traditions.txt

Laws (1)

Prosperity Decree+25%
Devaraja Decree · Rulers with this law
mandala_decree_prosperity · game/common/laws/00_realm_laws.txt

Governments (2)

Administrative+150%
Top liege
administrative_government · game/common/governments/00_government_types.txt
Administrative+50%
Rulers with this government
administrative_government · game/common/governments/00_government_types.txt

Source: game/common/buildings/00_duchy_capital_buildings.txt, game/common/buildings/00_special_buildings.txt, game/common/buildings/00_standard_economy_buildings.txt, game/common/buildings/00_standard_military_buildings.txt, game/common/buildings/99_ach_buildings.txt, game/common/buildings/cp6_special_buildings.txt, game/common/buildings/tgp_great_project_buildings.txt, game/common/culture/innovations/00_early_medieval_innovations.txt, game/common/culture/pillars/00_ethos.txt, game/common/culture/traditions/00_realm_traditions.txt, game/common/culture/traditions/tgp_traditions.txt, game/common/governments/00_government_types.txt, game/common/laws/00_realm_laws.txt, game/common/laws/03_imperial_policies.txt, game/common/religion/faith_types/00_faith_types.txt, game/common/traits/00_traits.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.