
Effect · every source
How to increase Knight Effectiveness in CK3
42 sources raise Knight Effectiveness and 2 lower it in the game files of patch 1.20.0.3.
knight_effectiveness_multThe biggest boosts
+100%Only the StrongCultural tradition · Characters of this culture- +75%Chivalric DominanceLifestyle perk · Not Administrative government
+75%Military AcademiesBuilding · Holder
What raises Knight Effectiveness (42)
Lifestyle perks (2)
Not Administrative government
chivalric_dominance_perk· game/common/lifestyle_perks/00_martial_3_chivalry_tree_perks.txtAdventurer government
defensive_negotiations_perk· game/common/lifestyle_perks/00_diplomacy_1_foreign_affairs_tree_perks.txt
Cultural traditions (3)

Only the Strong+100%
Characters of this culture
tradition_only_the_strong· game/common/culture/traditions/00_combat_traditions.txt
Characters of this culture
tradition_fp1_the_right_to_prove· game/common/culture/traditions/01_fp1_traditions.txt
Khadga Puja+10%
Characters of this culture
tradition_khadga_puja· game/common/culture/traditions/00_maa_traditions.txt
Innovations (1)

Knighthood+20%
Characters of this culture
innovation_knighthood· game/common/culture/innovations/00_high_medieval_innovations.txt
Holy sites (15)
Anlong+10%
Yanchuan · Followers, while the faith holds it
anlong· game/common/religion/faith_types/00_faith_types.txtAki · Followers, while the faith holds it
itsukushima· game/common/religion/faith_types/00_faith_types.txtSantiago+5%
Santiago · Holder of the county
santiago· game/common/religion/faith_types/00_faith_types.txtZhaotong+5%
Huizhou · Holder of the county
zhaotong· game/common/religion/faith_types/00_faith_types.txtBorobudur+5%
Mataram · Holder of the county
borobudur· game/common/religion/faith_types/00_faith_types.txtJórvík+5%
North Riding · Holder of the county
jorvik· game/common/religion/faith_types/00_faith_types.txtAyodhya+5%
Ayodhyā · Holder of the county
ayodhya· game/common/religion/faith_types/00_faith_types.txtAnlong+5%
Yanchuan · Holder of the county
anlong· game/common/religion/faith_types/00_faith_types.txtAki · Holder of the county
itsukushima· game/common/religion/faith_types/00_faith_types.txtUrmiya · Holder of the county
takht-e_soleyman· game/common/religion/faith_types/00_faith_types.txt
Buildings (18)

Holder
Levels 1–3: +25% to +75% (3 levels give it)
military-academy· game/common/buildings/00_duchy_capital_buildings.txt
Royal Armories+45%
Holder · culture with Metalworkers
Levels 1–3: +15% to +45% (3 levels give it)
royal-armory· game/common/buildings/00_duchy_capital_buildings.txt
Hall of Heroes+25%
Holder
Levels 1–5: +5% to +25% (5 levels give it)
hall-of-heroes· game/common/buildings/00_special_buildings.txt
Holder
holy-site-cologne-cathedral· game/common/buildings/00_special_buildings.txt
Holder
holy-site-prophetic-mosque· game/common/buildings/00_special_buildings.txt
Hagia Sophia+20%
Holder
Levels 1–2: +20% to +20% (2 levels give it)
hagia-sophia· game/common/buildings/00_special_buildings.txt
Holder
Levels 1–2: +20% to +20% (2 levels give it)
dome-of-the-rock· game/common/buildings/00_special_buildings.txt

Holder
Levels 1–2: +15% to +20% (2 levels give it)
temple-of-uppsala· game/common/buildings/00_special_buildings.txt
War Camps+20%
Holder
Levels 1–2: +10% to +20% (2 levels give it)
war-camps· game/common/buildings/00_tribal_buildings.txt
Wantilan+20%
Holder
Levels 1–4: +5% to +20% (4 levels give it)
wantilan· game/common/buildings/00_tribal_buildings.txt
Elephantry+16%
Holder
Levels 1–8: +2% to +16% (8 levels give it)
elephant-pens· game/common/buildings/00_standard_economy_buildings.txt
Camelry+16%
Holder
Levels 1–8: +2% to +16% (8 levels give it)
camel-farms· game/common/buildings/00_standard_military_buildings.txt

Martial Grants+15%
Holder
Levels 1–4: +10% to +15% (4 levels give it)
oath-warriors-building· game/common/buildings/99_ach_buildings.txt
Hill Farms+8%
Holder · culture with Upland Skirmishing, Amharic Highlanders, Hill Dwellers or Mountaineer Ruralism
Levels 1–8: +1% to +8% (8 levels give it)
hill-farms· game/common/buildings/00_standard_economy_buildings.txt
Holder
Levels 3–8: +3% to +8% (6 levels give it)
wind-furnace· game/common/buildings/00_standard_military_buildings.txt
Blacksmiths+8%
Holder
Levels 1–8: +1% to +8% (8 levels give it)
smiths· game/common/buildings/00_standard_military_buildings.txt
Dynasty legacies (2)
House of Warriors+15%
Warfare legacy · Members of the dynasty
warfare_legacy_1· game/common/dynasty_perks/00_dynasty_perks.txtWar Tales+10%
Elegance legacy · Members of the dynasty
tgp_japan_legacy_5· game/common/dynasty_perks/08_tgp_dynasty_perks.txt
Governments (1)
Sōryō+10%
Rulers with this government
japan_feudal_government· game/common/governments/01_japan_government_types.txt
What lowers Knight Effectiveness (2)
Cultural traditions (2)

Frugal Armorers-40%
Characters of this culture
tradition_frugal_armorsmiths· game/common/culture/traditions/00_combat_traditions.txt
Imperial Tagmata-25%
Characters of this culture
tradition_ep3_imperial_tagmata· game/common/culture/traditions/07_ep3_traditions.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/00_tribal_buildings.txt, game/common/buildings/99_ach_buildings.txt, game/common/culture/innovations/00_high_medieval_innovations.txt, game/common/culture/traditions/00_combat_traditions.txt, game/common/culture/traditions/00_maa_traditions.txt, game/common/culture/traditions/01_fp1_traditions.txt, game/common/culture/traditions/07_ep3_traditions.txt, game/common/dynasty_perks/00_dynasty_perks.txt, game/common/dynasty_perks/08_tgp_dynasty_perks.txt, game/common/governments/01_japan_government_types.txt, game/common/lifestyle_perks/00_diplomacy_1_foreign_affairs_tree_perks.txt, game/common/lifestyle_perks/00_martial_3_chivalry_tree_perks.txt, game/common/religion/faith_types/00_faith_types.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.