National ideas

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This article is considered accurate for the current version of the game.

Ideas and traditions

Notes: Generic Ideas for all countries that don't have one of the other groups.


Traditions.png Traditions:

-10% Stability cost modifier
-10% Advisor costs

Discipline.png Preserve our troops

+5% Discipline

Global tax modifier.png Tax Reform

+5% National tax modifier

Mercenary cost.png Regulated Contracts

-10% Mercenary cost

Global trade power.png Contract Law

+5% Global trade power

Global manpower modifier.png Peasant levy

+5% National manpower modifier

Trade steering.png Mercantile Status

+5% Trade steering

Production efficiency.png Strengthening Land Tenure

+5% Production efficiency

Idea bonus.png Bonus:

+10% National tax modifier
For the ideas all countries have access to, see idea groups.

Each country in the game has access to national ideas. These ideas help define the strengths of each country. Each national idea group has two starting bonuses, seven bonuses that are unlocked sequentially, and one final bonus unlocked when the 7th sequential bonus is unlocked. One sequential bonus is unlocked for every third idea unlocked from the idea groups, so once three idea groups have been filled all national ideas will have been unlocked.

In alphabetical order are all the known national ideas. There are currently 71 unique idea groups, 18 group ideas, & 8 ideas exclusive to the Crusader Kings 2 save-game converter, plus the default set of ideas.

Traditions.png Traditions:

+10% Galley combat ability
+10% National trade income modifier

Mercenary cost.png Mercenary Princes

-25% Mercenary cost

Galley cost.png Protection of the Coastlines

-25% Galley cost

Trade steering.png Mediterranean Trade

+20% Trade steering

Stability cost modifier.png Consolidation of the Estates

-10% Stability cost modifier

Global trade power.png Chartered Merchant Companies

+20% Global trade power

May reduce inflation.png Reforming the Administration

-15% Reduce inflation cost

Land morale.png Protect the Little Folk

+10% Morale of armies

Idea bonus.png Bonus:

+2 Diplomatic reputation

Traditions.png Traditions:

-1 National revolt risk
+10% National manpower modifier

Heir chance.png The Buranjis

+25% Increased chance of new heir

Production efficiency.png Wet Rice Cultivation

+10% Production efficiency

Hostile attrition.png River Warfare

+0.5 Attrition for enemies
+10% Fort defense

Manpower recovery speed.png Reform the Paik System

+20% Manpower recovery speed

Stability cost modifier.png Process of Appeal

-10% Stability cost modifier

Global tax modifier.png Land Survey

+10% National tax modifier

Diplomats.png Ahom Diplomacy

+1 Diplomats

Idea bonus.png Bonus:

+2 Diplomatic reputation

Austria.png Austria / Styria.png Habsburg Styria

Traditions.png Traditions:

-2% Prestige decay
+30% Better relations over time

Imperial authority.png Imperial Ambitions

+10% Imperial Authority

Defensiveness.png Military Border

+20% Fort defense

Inflation reduction.png Fugger Banks

+0.05 Yearly inflation reduction
-1 Interest per annum

Diplomatic reputation.png Habsburg Dominance

+5 Diplomatic Reputation

Global missionary strength.png Edict of Restitution

+2% Missionary strength
+1 Tolerance of the true faith

Diplomatic upkeep.png Austrian Court

+2 Diplomatic relations

Reinforce speed.png Hofkriegsrat

+30% Reinforce speed

Idea bonus.png Bonus:

+50% Increased chance of new heir

Traditions.png Traditions:

+20% Religious unity
+10% National garrison growth

Global tax modifier.png White Elephant

+10% National tax modifier

Global manpower modifier.png The Corvee System

+10% National manpower modifier

Mercenary cost.png Foreign Mercenaries

-25% Mercenary cost

Diplomats.png Embassies

+1 Diplomats

Trade range modifier.png Promotion of Trading Links

+20% Trade range

Stability cost modifier.png Personal Executions

-10% Stability cost modifier

Global revolt risk.png Phrai Luang

-1 National revolt risk

Idea bonus.png Bonus:

+25% Income from vassals

Traditions.png Traditions:

+10% Cavalry combat ability
-10% Reduce inflation cost

Legitimacy.png Institute the Everlasting Succession

+1 Yearly legitimacy

Production efficiency.png Bring in the Bavarian Purity Law

+10% Production efficiency

Prestige.png Found the Bavarian State Orchestra

+1 Yearly prestige

Global missionary strength.png Establish the Geistlicher Rat

+2% Missionary strength
+1 Yearly papal influence

Global tax modifier.png Become Brewmaster General

+10% National tax modifier

Discipline.png Found a Professional Army

+5% Discipline

Stability cost modifier.png Found the Royal Order of Saint George for the Defence of the Immaculate Conception

-10% Stability cost modifier

Idea bonus.png Bonus:

+5% Imperial authority

Traditions.png Traditions:

-10% Advisor costs
+10% Imperial authority

Tolerance heretic.png Compacta of Prague

+3 Tolerance of Heretics

Legitimacy.png Elective Monarchy

+1 Yearly legitimacy

Infantry power.png Wagenburg

+10% Infantry combat ability

Global revolt risk.png Letter of Majesty

-1 National revolt risk

Technology cost.png Hussite Legacy

-10% Technology cost

Stability cost modifier.png The Kutnohorian Deal

-10% Stability cost modifier

Enemy core creation.png Czech Nationalism

+100% Hostile core-creation cost on us

Idea bonus.png Bonus:

+1 Leader fire

Traditions.png Traditions:

+1 Yearly navy tradition
+10% Trade steering

Enemy core creation.png Legacy of Breton Independence

+50% Hostile core-creation cost on us

Global revolt risk.png The Estates of Brittany

-1 National revolt risk

Defensiveness.png Breton March

+20% Fort defense

Global missionary strength.png Breton Catholicism

+1% Missionary strength
+2 Yearly papal influence

Global ship cost.png Protect the Coastline

-10% Ship costs

Diplomatic reputation.png League of the Public Weal

+3 Diplomatic reputation

Prestige.png The Catholicon

+1 Yearly prestige

Idea bonus.png Bonus:

+25% Naval forcelimits modifier

Traditions.png Traditions:

-25% Mercenary maintenance
+5% Cavalry combat ability

Prestige.png The Order of the Golden Fleece

+1 Yearly prestige

Mercenary cost.png The Compagnies d'Ordonnance

-25% Mercenary cost

Possible mercenaries.png Promote the Estates General

+100% Available mercenaries

Discipline.png Reform of the Feudal Army

+10% Discipline

Global trade income modifier.png Integrate the Towns in the Estates General

+10% National trade income modifier

Tolerance heretic.png Allow Freedom of Worship

+2 Tolerance of heretics

Global manpower modifier.png Create the Regimental System

+25% National manpower modifier

Idea bonus.png Bonus:

+10% Trade steering

Traditions.png Traditions:

-10% Advisor costs
+3 Tolerance of the true faith

Mercenary cost.png Regulation of Mercenaries

-25% Mercenary cost

Production efficiency.png Repopulation of the Countryside

+5% Production efficiency
+10% National manpower modifier

Global tax modifier.png State Administrative Reform

+10% National tax modifier

Stability cost modifier.png Delegated Power

-10% Stability cost modifier

Global trade power.png Byzantine Merchant Class

+10% Global trade power

Discipline.png The New Imperial Army

+10% Discipline

Global missionary strength.png Restore the Ecumenical Patriarch

+3% Missionary Strength

Idea bonus.png Bonus:

+2 Yearly prestige

Traditions.png Traditions:

-10% Advisor cost
+50% Hostile core-creation cost on us

Build cost.png Moundbuilders' Legacy

-15% Build cost

Stability cost modifier.png Massacre of the Anikutan

-10% Stability cost modifier

Global manpower modifier.png Red Chiefs

+20% National manpower modifier

Idea cost.png Cherokee Adaptability

-10% Idea cost

Land morale.png Ghigau

+10% Morale of armies

Defensiveness.png Mountainous Isolation

+10% Fort defense

Diplomats.png Cherokee Emperor

+1 Diplomats

Idea bonus.png Bonus:

-10% Technology cost

Traditions.png Traditions:

+25% Land forcelimits modifier
-25% Cost of reducing war exhaustion

Build cost.png Moundbuilders' Legacy

-15% Build cost

Infantry power.png Spartans of Mississippi

+10% Infantry combat ability

Hostile attrition.png Nighttime Raids

+1 Hostile attrition

Enemy core creation.png Unconquered and Unconquerable

+100% Hostile core-creation cost on us

Global trade income modifier.png Slave Raids

+10% National trade income modifier

Defensiveness.png Lessons of Ackia

+20% Fort defense

Prestige.png Swan Feathers Mantle

+1 Yearly prestige

Idea bonus.png Bonus:

-10% Land attrition

Traditions.png Traditions:

+25% Unjustified demands
+10% National spy defense

Build cost.png Moundbuilders' Legacy

-15% Build cost

Stability cost modifier.png Creek Caste System

-10% Stability cost modifier

Production efficiency.png Green Corn Celebration

+10% Production efficiency

Prestige.png Four Mother Towns

+1 Yearly prestige

Global manpower modifier.png Micos Leadership

+15% National manpower modifier

Diplomatic reputation.png Muscogee Neutrality

+3 Diplomatic reputation

Land morale.png Red Sticks

+10% Morale of armies

Idea bonus.png Bonus:

+10% National tax modifier

Traditions.png Traditions:

+1 Attrition for enemies
+100% Hostile Core-creation cost

Infantry power.png The Great Proclamation

+10% Infantry combat ability

Prestige.png Confucian Revival

+1 Yearly prestige

Defensiveness.png Autonomous Villages

+20% Fort defense

Global manpower modifier.png Village Militia

+25% National manpower modifier

Core creation.png Don Dien

-10% Core-creation cost

Legitimacy.png Thuan Thiên

+1 Yearly legitimacy

Technology cost.png Literary Reform

-5% Technology cost

Idea bonus.png Bonus:

+10% Morale of armies

Traditions.png Traditions:

+5% National Trade income modifier
-10% Ship costs

Manpower recovery speed.png Vornedskab

+15% Manpower recovery speed

Navy tradition.png Old Naval Traditions

+1 Yearly navy tradition

Global tax modifier.png Found the Rentekamme

+10% National tax modifier

Naval maintenance modifier.png Reorganize the Klaedekammer

-33% Naval maintenance modifier

Naval forcelimit.png Found the Copenhagen Dockyard

+50% Naval forcelimits modifier

Global revolt risk.png Den Danske Lov

-1 National Revolt Risk

Stability cost modifier.png Religious Freedom is Atheism

-10% Stability cost modifier
+2 Tolerance of the True Faith

Idea bonus.png Bonus:

+15% Light ship combat ability

Traditions.png Traditions:

+5% Trade efficiency
+20% Morale of navies

Heavy ship power.png A Royal Navy

+10% Heavy ship combat ability
+0.25 Yearly navy tradition

Global tax modifier.png The Eltham Ordinance

+15% National tax modifier

Diplomatic upkeep.png Secretaries of State

+2 Diplomatic relations

Light ship power.png The Navigation Acts

+10% Light ship combat ability
+10% National trade income modifier

Global revolt risk.png English Bill of Rights

-1 National revolt risk

Discipline.png Reform of Commission Buying

+10% Discipline

Naval attrition.png The Sick and Hurt Board

-25% Naval attrition

Idea bonus.png Bonus:

+33% Embargo efficiency

Traditions.png Traditions:

+20% National manpower modifier
-10% Land attrition

Prestige.png Solomonid Claim

+1 Yearly prestige

Heir chance.png Negusa Negast

+25% Increased chance of new Heir

Defensiveness.png Hostile Borders

+20% Fort defense

Diplomatic reputation.png Diplomatic Demeanor

+2 Diplomatic reputation

Stability cost modifier.png The Ark of the Covenant

-10% Stability cost modifier
+1% Missionary strength

Core creation.png Expansionist Policy

-10% Core-creation cost

Discipline.png Reformed Armies

+10% Discipline

Idea bonus.png Bonus:

+1 Yearly Legitimacy

Traditions.png Traditions:

+20% National manpower modifier
+2 Diplomatic relations

Vassal income.png French Language in all courts

+10% Income from vassals

Land morale.png Elan!

+20% Morale of armies
+2% Recover army morale speed

Global tax modifier.png Estates General

+10% National tax modifier

Reduced native attacks.png Native Trading Principles

Native attacks are severely reduced.
+100% Tax and manpower from natives

Defensiveness.png Vauban Fortifications

+30% Fort defense

Technology cost.png The Philosophes

-10% Technology cost

Tolerance heretic.png Liberté, égalité, fraternité

+2 Tolerance of heretics
+2 Tolerance of heathens

Idea bonus.png Bonus:

+10% Discipline

Traditions.png Traditions:

+10% Trade efficiency
-0.5 Interest per annum

Stability cost modifier.png Reunited Genoa

-10% Stability cost modifier

Naval morale.png Lessons of Chioggia

+20% Morale of navies

Global foreign trade power.png Genoese Trade

+10% Trade power abroad

Galley cost.png The Genoese Arsenal

-33% Galley cost

Global tax modifier.png Overhauled Bureaucracy

+10% National tax modifier

Naval forcelimit.png Office of the Grand Admiral

+25% Naval forcelimits modifier

Ship recruit speed.png Standardization of Designs

-10% Shipbuilding time

Idea bonus.png Bonus:

-33% Naval maintenance modifier

Traditions.png Traditions:

+15% National tax modifier
+25% Religious unity

Tolerance heathen.png People of the Book

+3 Tolerance of heathens

Core creation.png Recover Al-Andalus

-15% Core creation-cost

Technology cost.png Beacon of Learning

-5% Technology cost

Global own trade power.png Strait of Gibraltar

+10% Domestic trade power
+10% Trade steering

Build cost.png Alhambra

-10% Build cost

Global manpower modifier.png Moors

+10% National manpower modfier

Prestige.png Successor Caliphate of Cordoba

+1 Yearly prestige

Idea bonus.png Bonus:

-10% Idea cost

Traditions.png Traditions:

+15% Trade range
+10% Trade steering

Global trade power.png End of Victual Brothers

+10% Global trade power

Merchants.png Strong League Obligations

+1 Merchants

Light ship cost.png Improved Shipbuilding

-20% Light ship cost

Stability cost modifier.png Reformed Hansetag

-10% Stability cost modifier

Manpower recovery speed.png Hanseatic Levy System

+20% Manpower recovery speed

Province trade power modifier.png Regularized Contributions

+20% Provincial trade power modifier

Interest.png The Hansa Bank

-1 Interest per annum

Idea bonus.png Bonus:

+10% Trade efficiency

Traditions.png Traditions:

+10% National manpower modifier
-10% Cavalry cost

Tolerance own.png Custodian of the Two Holy Cities

+2 Tolerance of the true faith

Global own trade power.png Red Sea Trade

+10% Domestic trade power

Stability cost modifier.png Sharifs of Mecca

-10% Stability cost modifier

Land attrition.png Desert Warfare

-10% Land attrition

Global tax modifier.png Cradle of Gold

+10% National tax modifier

Global missionary strength.png Hajj

+1% Missionary strength

Prestige.png Successor to the Caliphate

+1 Yearly prestige

Idea bonus.png Bonus:

+15% Cavalry combat ability

Traditions.png Traditions:

+50% Naval forcelimits modifier
-10% Shipbuilding time

Inflation reduction.png Amsterdam Wisselbank

+0.10 Yearly inflation reduction

Merchants.png Dutch Trading Spirit

+1 Merchants
+10% Trade Range

Production efficiency.png Polders

+10% Production efficiency

May reduce inflation.png Revenue Stamps

-15% Reduce inflation cost

Tolerance heretic.png Embrace Humanism

+3 Tolerance of heretics

Leader siege.png Army Sappers

+1 Leader siege

Infantry power.png Platoon Fire

+10% Infantry combat ability

Idea bonus.png Bonus:

+15% National trade income modifier

Traditions.png Traditions:

+100% Hostile core-creation cost on us
+5% Recover army morale speed

Global revolt risk.png A Renaissance Prince

-1 National revolt risk

Global manpower modifier.png Bulwark of Christianity

+20% National manpower modifier

Discipline.png Found the Black Army

+10% Discipline

Global tax modifier.png Reformed Coinage

+10% National tax modifier

Production efficiency.png Curtail the Freedom of the Peasantry

+20% Production efficiency

Global own trade power.png Strengthen the Towns

+25% Domestic trade power

No religion penalty.png Create the Estates General

Negative religious tolerance no longer gives any penalties.

Idea bonus.png Bonus:

+1 Leader(s) without upkeep

Traditions.png Traditions:

+10% Morale of armies
+5% Trade efficiency

Merchants.png Great Lakes Trade

+1 Merchants

Mercenary cost.png Hire Allied Warriors

-50% Mercenary cost

Trade steering.png Birchbark Canoes

+20% Trade steering

Global revolt risk.png Harsh Justice

-1 National revolt risk

Diplomatic reputation.png Missionary Welcome

+3 Diplomatic reputation

Stability cost modifier.png Feast of the Dead

-10% Stability cost modifier

Prestige.png Eldest Children

+1 Yearly prestige

Idea bonus.png Bonus:

+15% Provincial trade power

Traditions.png Traditions:

+10% Infantry combat ability
+5 Diplomatic reputation

War exhaustion cost.png Kaianerekowa

-33% Cost of reducing war exhaustion

Global manpower modifier.png Keepers of the Western Door

+25% National manpower modifier

Global trade power.png Keepers of the Eastern Door

+25% Global trade power

Diplomats.png Keepers of the Fire

+1 Diplomats

Manpower recovery speed.png Mourning Wars

+25% Manpower recovery speed

Discipline.png Warriors' Unity

+10% Discipline

Prestige.png The Four Kings

+1 Yearly prestige

Idea bonus.png Bonus:

+50% Better relations over time

Traditions.png Traditions:

+20% National trade power modifier
+50% Better relations over time

Stability cost modifier.png Not a Geographical Construct

-10% Stability cost modifier

Infantry power.png The Tradition of the Legion

+15% Infantry combat ability

Galley power.png Mare Nostrum

-15% Galley cost
+20% Galley combat ability

Global manpower modifier.png The Office of Censor

+33% National manpower modifier

Global tax modifier.png Italian Tax Reform

+15% National tax modifier

Imperial authority.png Heir to the Empire

+25% Imperial authority

Core creation.png Path to Citizenship

-25% Core-creation cost

Idea bonus.png Bonus:

+20% Fort Defense

Traditions.png Traditions:

-10% Stability cost modifier
+15% Discipline

Global own trade power.png Tosen-bugyo

+25% Domestic trade power

Prestige.png Higashiyama Culture

+1 Yearly prestige

Global manpower modifier.png Reformed Land Holding

+20% National manpower modifier

Global revolt risk.png Sankin-Kotai

-2 National revolt risk

Defensiveness.png Sakoku

+15% Fort Defense

Global tax modifier.png The Bakufu Chokkatsuchi

+15% National tax income modifier

Legitimacy.png Shinokosho System

+25% Heir chance
+1 Yearly legitimacy

Idea bonus.png Bonus:

+15% Infantry combat ability

Traditions.png Traditions:

+10% Discipline
+2 Tolerance of the true faith

Defensiveness.png Defense of the Faith

+25% Fort defense

Manpower recovery speed.png Assistance to the Suffering

+20% Manpower recovery speed

Diplomatic upkeep.png The Tongues of Knights

+3 Diplomatic relations

Naval morale.png Reconquista of the Sea

+10% Morale of navies

Tolerance heretic.png Ecumenical Defenders of Christendom

+3 Tolerance of heretics

Naval forcelimit.png Scourge of the Corsairs

+50% Naval forcelimits modifier

Army tradition.png Crusader Tradition

+1 Yearly army tradition

Idea bonus.png Bonus:

+2 Yearly papal influence

Traditions.png Traditions:

+10% National trade income modifier
-20% Land attrition

Global tax modifier.png Kongolese Tax Exchange

+10% National tax modifier

Heir chance.png Election of Manikongos

+25% Increased chance of new heir

Mil tech cost modifier.png Imported European Weaponry

-10% Military technology cost

Diplomatic reputation.png Diplomacy With European Monarchs

+3 Diplomatic reputation

Province trade power modifier.png The Triangle Trade

+10% Provincial trade power modifier
+5% Infantry combat ability

Production efficiency.png Foreign Demand For Slaves

+10% Production efficiency

Discipline.png Defend Against the Colonists

+5% Discipline

Idea bonus.png Bonus:

+30% Better relations over time

Traditions.png Traditions:

-20% Build cost
+25% Domestic trade power

Technology cost.png The Hangul Alphabet

-5% Technology cost

Stability cost modifier.png Grand Code for State Administration

-10% Stability cost modifier

Production efficiency.png Hyang'yak System

+10% Production efficiency

Heavy ship power.png Geobukseon

+5% Heavy ship combat ability

Global manpower modifier.png The Hopae System

+10% National manpower modifier

Idea cost.png The Kyujanggak

-10% Idea cost

Global tax modifier.png Economic Reform

+10% National tax modifier

Idea bonus.png Bonus:

+10% Infantry combat ability

Traditions.png Traditions:

+20% Manpower recovery speed
+4 Tolerance of heretics

Leader shock.png Warlord Dukes

+1 Leader shock

Stability cost modifier.png Auksine Laisve

-10% Stability cost

Global tax modifier.png Magdeburg Laws

+10% National tax modifier

Production efficiency.png Magnate Estates

+10% Production efficiency

Cavalry power.png Lithuanian Hussars

+20% Cavalry combat ability

Global revolt risk.png Statutes of Lithuania

-2 National revolt risk

Technology cost.png Lithuanian Renaissance

-5% Technology cost

Idea bonus.png Bonus:

+1 Leader maneuver

Traditions.png Traditions:

-10% Land attrition
+10% Reinforce speed

Vassal income.png Restore Malian Suzerainty

+10% Income from vassals

Production efficiency.png Gold of Bure

+10% Production efficiency

Global manpower modifier.png Reclamation of Land

+10% National manpower modifier

Discipline.png Mandinka Warrior Spirit

+5% Discipline

Navy tradition.png Lost Fleet of Abubakari II

+0.50 Yearly navy tradition

Merchants.png Seek New Markets for Salt

+1 Merchants

Trade efficiency.png West African Slave Trade

+10% Trade efficiency

Idea bonus.png Bonus:

+10% Infantry combat ability

Traditions.png Traditions:

+25% Trade steering
+10% Cavalry combat ability

Global trade power.png Red Sea Trade

+5% National trade power modifier
+10% Trade range

Prestige.png Monuments to our Greatness

+1 Yearly prestige

Manpower recovery speed.png Purchase New Mamluks

+20% Manpower recovery speed

Discipline.png Reform of the Army

+5% Discipline

Production efficiency.png Reform the Fellah System

+20% Production efficiency

Stability cost modifier.png Reform of the Succession

-15% Stability cost modfier

Trade efficiency.png Monopoly Ports

+10% Trade efficiency

Idea bonus.png Bonus:

+25% Provincial trade power modifier

Traditions.png Traditions:

-15% Core creation cost
-15% Land maintenance modifier

Global manpower modifier.png United Three Jurchens

+10% National manpower modifier

Technology cost.png Manchu Alphabet

-5% Technology cost

Discipline.png The Eight Banners

+10% Discipline

Cavalry power.png Link With The Mongol Dynasty

+10% Cavalry combat ability

Manpower recovery speed.png The Green Standard Army

+15% Manpower recovery speed

Global revolt risk.png Pigtail or Death

-2 National revolt risk

Stability cost modifier.png The Chinese Laws

-10% Stability cost modifier

Idea bonus.png Bonus:

+1 Leader shock

Traditions.png Traditions:

+10% Infantry combat ability
+1 Diplomatic relations

Idea cost.png Renaissance Prince

-10% Idea cost

Prestige.png Patron of Music

+1 Yearly prestige

Global tax modifier.png Lowered Power of Barons

+10% National tax modifier

Mercenary cost.png The Age of the Condottieri

-25% Mercenary cost

Technology cost.png Encouragement of Philosophers

-5% Technology cost

Global trade power.png Merchant Princes

+10% Global trade power modifier

Stability cost modifier.png Rulership of Enlightened Principals

-10% Stability cost modifier

Idea bonus.png Bonus:

+20% National manpower modifier

Traditions.png Traditions:

+10% Provincial trade power modifier
-10% Idea cost

Defensiveness.png Repaired Great Wall

+15% Fort Defense

Discipline.png Revived Training Camps

+5% Discipline

Stability cost modifier.png Inward Perfection

-10% Stability cost modifier

Production efficiency.png Yellow River Dykes

+10% Production efficiency

Global trade income modifier.png Salt Monopoly

+10% National trade income modifier

Global tax modifier.png Head Tax

+10% National tax income modifier

Global manpower modifier.png The Eight Banners

+100% National manpower modifier

Idea bonus.png Bonus:

+30% Better relations over time

Traditions.png Traditions:

+5% Missionary strength
+1 Land leader maneuver

Army tradition.png Bedouin Poets

+0.50 Yearly army tradition

Missionaries.png Hanbali School

+1 Missionaries

Global trade power.png Ships of the Desert

+10% Global trade power

Hostile attrition.png Bedouin Raiders

+1 Attrition for enemies

Cavalry power.png Arabian Horsemanship

+10% Cavalry combat ability

Land maintenance modifier.png Unite the Tribes

-10% Land maintenance modifier

Tolerance own.png Enforce Tawhid

+2 Tolerance of the true faith

Idea bonus.png Bonus:

+1 Missionaries

Traditions.png Traditions:

+25% National spy defense
+5% Naval morale recovery speed

Prestige.png Found the Academy of Naples

+1 Yearly prestige

Global tax modifier.png Consolidate the Royal Domain

+10% National tax modifier

Stability cost modifier.png Encourage City Living

-10% Stability cost modifier

Galley cost.png Expand the Arsenale

-25% Galley cost

Legitimacy.png City of Artists

+1 Yearly legitimacy

Trade efficiency.png Suppress Banditry

+5% Trade efficiency

Technology cost.png Refurbish the University of Royal Studies

-5% Technology cost

Idea bonus.png Bonus:

-1 Navy tradition decay

Traditions.png Traditions:

+25% Land forcelimits modifier
+5% Discipline

Diplomatic reputation.png The Divya Upadesh

+2 Diplomatic reputation

Defensiveness.png Land of Peaks

+10% Fort defense

Global manpower modifier.png Our Valleys United

+15% National manpower modifier

Army tradition.png Rajput Refugees

+0.25 Yearly army tradition

Land morale.png The Royal Kumari

+10% Morale of armies

Infantry power.png The Gurkhas

+10% Infantry combat ability

Leader siege.png Envelopment and Blockade

+1 Leader siege

Idea bonus.png Bonus:

+10% Manpower recovery speed

Traditions.png Traditions:

-20% Light ship cost
+20% Light ship combat ability

Production efficiency.png Encouraged Fishing

+10% Production efficiency

Naval morale.png Natural Seamanship

+20% Morale of navies

Global ship cost.png Military Shipbuilding

-10% Ship costs

May explore.png Call of Our Forefathers

Can recruit Explorers and Conquistadors
+33% Colonial range

Colonists.png Pioneer Spirit

+1 Colonists

Global trade power.png Seize the Opportunity

+10% Global trade power

Prestige.png Write new Sagas

+1 Yearly prestige
+5% Discipline

Idea bonus.png Bonus:

+20% Trade steering

Traditions.png Traditions:

-20% Mercenary cost
+2 Diplomatic reputation

Prestige.png Northern Center of Arts

+1 Yearly prestige

Global missionary strength.png City of Churches

+1% Missionary strength

Republican tradition.png Ivan's Hundred

+0.5 Yearly republican tradition

Merchants.png Control of the Hanseatic Kontor

+1 Merchants
+5% Global trade power modifier

Global manpower modifier.png The Grand Duke's Army

+20% National manpower modifier

Navy tradition.png Funding the Ushkuiniks

+1 Yearly navy tradition

Light ship cost.png Baltic Shipyard

-20% Light ship cost

Idea bonus.png Bonus:

+20% Fort defense

Traditions.png Traditions:

+15% Morale of navies
-25% Naval maintenance modifier

Trade steering.png Local Merchant Preference

+33% Trade steering

Ship recruit speed.png Securing Timber Supplies

-10% Shipbuilding time

Tolerance heathen.png Association with Unbelievers

+2 Tolerance of Heathens

Global trade income modifier.png Port Security Improvements

+10% National trade income modifier

Light ship cost.png End of Shipbuilding Guilds

-20% Light ship cost

Leader naval maneuver.png Skilled Captains

+1 Naval leader maneuver

Merchants.png Expansion of Trade Contacts

+1 Merchants

Idea bonus.png Bonus:

+33% Blockade efficiency

Traditions.png Traditions:

+5% Production efficiency
+15% Fort defense

Infantry power.png Lord of the Elephants

+10% Infantry combat ability

Legitimacy.png Servitor of Jagganath

+1 Yearly legitimacy

Global tax modifier.png Parikshas

+10% National tax modifier

Production efficiency.png Refined Cloth Production

+10% Production efficiency

Prestige.png Patronize Temple Construction

+1 Yearly prestige

Global trade income modifier.png Encourage the Salt Trade

+10% National trade income modifier

Naval forcelimit.png Heritage of the Sadhabas

+25% Naval forcelimits modifier

Idea bonus.png Bonus:

+20% Trade steering

Traditions.png Traditions:

+10% Discipline
-33% Core-creation cost

Tolerance heathen.png Ottoman Tolerance

+3 Tolerance of heathens
+33% Religious Unity

Extra manpower at religious war.png Ghazi

Triple manpower increase in religious wars.

Cavalry power.png Timariot System

+15% Cavalry combat ability

War exhaustion cost.png Autonomous Pashas

-10% Cost of reducing war exhaustion

Global tax modifier.png The Law code of Suleiman

+10% National tax modifier

Global trade income modifier.png Tulip Period

+10% National trade income modifier

Global ship cost.png Found the Imperial School of Naval Engineering

-10% Ship costs

Idea bonus.png Bonus:

+20% Manpower recovery speed

Traditions.png Traditions:

+10% National tax modifier
+1 Diplomatic relations

Diplomatic reputation.png Imperial Vicar and Archsteward

+2 Diplomatic reputation

Advisor pool.png Heidelberg University

+1 Possible advisors

Rebel support efficiency.png Center of Reformation in Southern Germany

+20% Rebel support efficiency

Technology cost.png Bibliotheca Palatina

-5% Technology Cost

Global missionary strength.png Heidelberg Catechism

+2% Missionary strength

Prestige decay.png Hortus Palatinus

-2% Prestige decay

Stability cost modifier.png Mannheim School of Orchestra

-10% Stability cost modifier

Idea bonus.png Bonus:

+2 Tolerance of heretics

Traditions.png Traditions:

+3 Diplomatic reputation
+5 Yearly papal influence

Tolerance own.png Ecclesiastical Primacy

+2 Tolerance of the True Faith

Global tax modifier.png Papal Investiture and Tithes

+20% National tax modifier

Prestige.png Glory of Rome

+1 Yearly prestige

Fabricate claims time.png Donation of Constantine

-20% Time to fabricate claims

Production efficiency.png Centralize the States

+10% Production efficiency

Prestige decay.png The Vatican Museums

-1% Prestige decay

Relations decay of me.png The Holy Father

+25% Better relations over time

Idea bonus.png Bonus:

+5% Discipline

Traditions.png Traditions:

+10% Income from vassals
+5% Recover army morale speed

Global manpower modifier.png Support the Qizilbash

+15% National manpower modifier

Production efficiency.png Encourage Persian Rug Production

+10% Production efficiency

Discipline.png Found the Ghulams

+10% Discipline

Trade steering.png Improve the Silk Road

+10% Trade steering

Production efficiency.png Encouraged Art

+5% Production efficiency
+1 Yearly prestige

Manpower recovery speed.png Promotion of Irrigation

+10% Manpower recovery speed

Global tax modifier.png Increase the Crown Lands

+10% National tax modifier

Idea bonus.png Bonus:

-10% Cavalry cost

Traditions.png Traditions:

-20% Cavalry cost
+25% Religious unity

Production efficiency.png Promote the Folwark System

+10% Production efficiency

Stability cost modifier.png Nihil Novi

-10% Stability cost modifier

Global manpower modifier.png Piechota Wybraniecka

+25% National manpower modifier
+10% Infantry combat ability

Cavalry power.png Winged Hussars

+33% Cavalry combat ability

Global regiment cost.png Wojsko Komputowe

-10% Regiment cost

Discipline.png Found the Foreign Section

+10% Discipline

Land morale.png Focus on Field Defense

+15% Morale of armies

Idea bonus.png Bonus:

+3 Tolerance of heretics

Traditions.png Traditions:

+5% Trade efficiency
+30% Trade range

Production efficiency.png Afonsine Ordinance

+10% Production efficiency

Range.png Legacy of the Navigator

+25% Colonial range

Global trade power.png Found the Casa da India

+10% Global trade power

Merchants.png Encourage the Bandeirantes

+1 Merchants

Build cost.png Royal Absolutism

-25% Build cost

Global colonial growth.png Land before Faith

+15 Global settler increase

Global trade income modifier.png Open up the Guilds

+10% National trade income modifier

Idea bonus.png Bonus:

+20% Overseas income

Traditions.png Traditions:

+0.5 Yearly army tradition
-25% Covert action relation impact

Global tax modifier.png Found the Kammergericht

+10% National tax modifier

Stability cost modifier.png Divide the Estates

-10% Stability cost modifier

Land morale.png Army Professionalism

+20% Morale of armies

Army tradition decay.png Noble Cadets

-1% Yearly army tradition decay

Infantry power.png The Goose Step

+20% Infantry combat ability

Global manpower modifier.png Regimental Cantons

+25% National manpower modifier
-10% Regiment recruitment time

Production efficiency.png Religious Toleration

+5% Production efficiency
+1 Tolerance of heretics

Idea bonus.png Bonus:

+20% Discipline

Traditions.png Traditions:

-25% Advisor cost
+10% National garrison growth

Enemy core creation.png Ancient Pueblo Legacy

+100% Hostile core-creation cost on us

Build cost.png Adobe Architecture

-20% Build cost

Defensiveness.png Mesa Settlements

+15% Fort defense

Global trade income modifier.png Cotton Weaving

+10% National trade income modifier

Stability cost modifier.png Kachina Dolls

-10% Stability cost modifier

Religious unity.png Clown Societies

+10% Religious unity
+2 Tolerance of the True Faith

Prestige.png Legend of Cibola

+1 Yearly prestige

Idea bonus.png Bonus:

+1 Yearly legitimacy

Traditions.png Traditions:

+25% Religious unity
+2 Tolerance of heathens

Global tax modifier.png Breadbasket of India

+10% National tax modifier

Global trade income modifier.png Encourage Indo-Persian Trade

+10% National trade income modifier

Production efficiency.png Punjabi Textile Industry

+15% Production efficiency

Global manpower modifier.png The Khalsa

+20% National manpower modifier

Stability cost modifier.png Adopt Standardized Gurmukhi Script

-10% Stability cost modifier

Cavalry cost.png Strength of the Misls

-10% Cavalry cost

Discipline.png Reforming the Punjabi Army

+10% Discipline

Idea bonus.png Bonus:

+10% Morale of armies

Traditions.png Traditions:

+10% National trade income modifier
+10% Trade efficiency

Navy tradition.png Ordo Marinaritiae

+0.5 Yearly navy tradition

Global own trade power.png Center of Trade

+20% Domestic trade power

Diplomats.png Patronage

+1 Diplomats

Naval forcelimit.png Ragusan Arsenal

+20% Naval forcelimits modifier

Ship recruit speed.png Port Gruz

-5% Shipbuilding time
-5% Ship costs

Global revolt risk.png Non Bene Pro Toto Libertas Venditur Auro

-1 National revolt risk

Global tax modifier.png Palace of the Rector

+10% National tax modifier

Idea bonus.png Bonus:

+15% Morale of navies

Traditions.png Traditions:

+25% National manpower modifier
-20% Infantry cost

Core creation.png Sudebnik

-15% Core-creation cost

Land forcelimit.png The Streltsy

+50% Land forcelimits modifier

Manpower recovery speed.png Opprichina

+10% Manpower recovery speed
-30% Infantry cost

Production efficiency.png Abolishment of Mestnichestvo

+10% Production efficiency

Auto explore adjacent to colony.png Siberian Frontier

Auto-exploration of all territory adjacent to owned home territory.
+1 Colonists

Army tradition.png Table of Ranks

+0.5 Yearly army tradition

Technology cost.png Curriculum of the Cadet Corps

-10% Technology cost

Idea bonus.png Bonus:

+50% National manpower modifier

Traditions.png Traditions:

+2 Diplomatic reputation
+20% Trade steering

Relations decay of me.png Chinese Investiture

+30% Better relations over time

Global revolt risk.png Reform the Ryukyuan Religion

-1 National revolt risk

Prestige.png Shuri Castle

+1 Yearly prestige

Trade range modifier.png Maritime Commercialism

+33% Trade range

Trade efficiency.png Sign Trade Agreements

+10% Trade efficiency

Technology cost.png National Academy

-5% Technology cost

Free leader pool.png The Three Mountains

+1 Leader(s) without upkeep

Idea bonus.png Bonus:

-2% Prestige decay

Traditions.png Traditions:

+2 Diplomatic relations
+25% Better relations over time

Defensiveness.png Repel the French

+20% Fort defense

Prestige.png The Shroud of Turin

+0.5 Yearly prestige
+1 Yearly Papal influence

Mercenary cost.png Mercenary Tradition

-25% Mercenary cost

Global missionary strength.png Crush the Vaudois

+2% Missionary strength

Idea cost.png Savoyard Flexibility

-10% Idea cost

Province trade power modifier.png Alpine Tolls

+10% Provincial trade power modifier

Legitimacy.png Savoyard Legitimacy

+1 Yearly legitimacy

Idea bonus.png Bonus:

+10% National tax modifier

Traditions.png Traditions:

-10% Advisor cost
+25% Religious unity

Heir chance.png Albertine and Ernestine Lines

+25% Increased chance of new Heir

Production efficiency.png Meissner Porcellain

+10% Production efficiency

Diplomatic reputation.png The Zwinger

+2 Diplomatic reputation

Tolerance heretic.png Wittenberg University

+3 Tolerance of Heretics

Diplomatic upkeep.png Corpus Evangelicorum

+2 Diplomatic relations

Global tax modifier.png Principal Line

+10% National tax modifier

Discipline.png The Saxon Circle

+5% Discipline

Idea bonus.png Bonus:

+1 Yearly prestige

Traditions.png Traditions:

+1 Leader shock
+5% Recover army morale speed

Global revolt risk.png Break the Black Douglas

-1 National revolt risk

Global ship cost.png Modernized Royal Scots Navy

-10% Ship costs

Global manpower modifier.png Reign in the Clans

+20% National manpower modifier

Stability cost modifier.png Comets?

-10% Stability cost modifier

Global tax modifier.png Tighten up Royal Revenue

+10% National tax modifier

Legitimacy.png Basilikon Doron

+1 Yearly legitimacy

Core creation.png Pass the Act of Revocation

-10% Core-creation cost

Idea bonus.png Bonus:

-25% Land maintenance modifier

Traditions.png Traditions:

+15% Manpower recovery speed
+10% Reinforce speed

Global revolt risk.png Code of Laws

-1 National revolt risk

Stability cost modifier.png Bastion of Orthodoxy

-10% Stability cost modifier

Cavalry power.png Home of the Hussars

+5% Cavalry combat ability

Cavalry cost.png Alemannic Guard

-10% Cavalry cost

Production efficiency.png Gold Mines

+10% Production efficiency

Mercenary cost.png Mercenary Armies

-20% Mercenary cost

Land morale.png Balkan Hajduks

+10% Morale of armies

Idea bonus.png Bonus:

+10% Infantry combat ability

Traditions.png Traditions:

+5% Discipline
+100% Prestige from land battles

War exhaustion cost.png The Wandering People

-33% Cost of reducing war exhaustion

Hostile attrition.png Dark and Bloody Ground

+1 Hostile for enemies

Stability cost modifier.png The Bread Dance

-10% Stability cost modifier

Idea cost.png Shaawanwaki Identity

-10% Idea cost

Advisor pool.png Autonomous Clans

+1 Possible advisors

Diplomats.png Far Reaching Relations

+1 Diplomats

Global manpower modifier.png Private War Parties

+20% National manpower modifier

Idea bonus.png Bonus:

+2 Leader maneuver

Traditions.png Traditions:

+10% Infantry combat ability
+1 Yearly army tradition

Global trade power.png Gold To Salt Trade

+10% Global trade power

Defensiveness.png Independence from Mali

+15% Fort defense

Land morale.png Jihad Against the Pagans

+10% Morale of armies

Technology cost.png Sankore Madrassah

-5% Technology cost

Prestige.png The Hajj

+1 Yearly prestige

Tolerance own.png Sharia

+2 Tolerance of the true faith

Trade steering.png Trans-Sahara Trade

+10% Trade steering

Idea bonus.png Bonus:

+5% Discipline

Traditions.png Traditions:

+10% Morale of armies
+1 Missionaries

Colonists.png Reconquista

+1 Colonists
+5% Discipline

Global missionary strength.png Spanish Inquisition

+2% Missionary strength
-1 Tolerance of heretics & heathens

Papal influence.png Devout Catholicism

+3 Yearly Papal influence

Idea claim colonies.png Inter Caetera

Allows claiming of colonies.

Global prov trade power modifier.png Treasure Fleet

+10% Provincial trade power modifier
+15% Global tariffs

Heavy ship power.png A Spanish Armada

+10% Heavy ship combat ability

Prestige.png Siglo De Oro

+1 Yearly prestige

Idea bonus.png Bonus:

+25 Global settler increase

Traditions.png Traditions:

-25% Mercenary maintenance
+15% Infantry combat ability

Legitimacy.png 'Kung och Riksdag'

+1 Yearly legitimacy

Discipline.png Swedish Steel

+15% Discipline

Cavalry cost.png The 'Hakkapeliitta'

-10% Cavalry cost

Manpower recovery speed.png Indelningsverket

+33% Manpower recovery speed

Stability cost modifier.png Swedish Absolutism

-10% Stability cost modifier

Production efficiency.png Produktplataket

+10% Production efficiency

Global manpower modifier.png Union and Security Act

+10% National manpower modifier

Idea bonus.png Bonus:

+1 Leader shock

Traditions.png Traditions:

+10% National manpower modifier
+10% Infantry combat ability

Stability cost modifier.png The Swiss Confederation

-10% Stability cost modifier

Mercenary cost.png Swiss Mercenaries

-20% Mercenary cost

Defensiveness.png Alpine Defensiveness

+25% Fort defense

War exhaustion cost.png Oasis of Peace and Prosperity

-10% Cost of reducing war exhaustion

Religious unity.png Swiss Tolerance

+20% Religious unity

Prestige.png Haven for Refugees

+1 Yearly prestige

Production efficiency.png Clockwork

+10% Production efficiency

Idea bonus.png Bonus:

+10% Discipline

Traditions.png Traditions:

+10% National tax modifier
+10% Infantry combat ability

Prestige.png Legacy of the Pagan Dynasty

+1 Yearly prestige

Global manpower modifier.png Mandala System

+20% National manpower modifier

Religious unity.png Nat Worship

+20% Religious unity

Infantry cost.png Bayingyi

-20% Infantry cost

Land morale.png Chakravartin

+5% Morale of armies

Stability cost modifier.png Manu Kye Dhammathat

-10% Stability cost modifier

Global revolt risk.png The Hluttaw

-1 National revolt risk

Idea bonus.png Bonus:

-15% Core-creation cost

Traditions.png Traditions:

-1 National revolt risk
+1% Missionary strength

Stability cost modifier.png Vajrayana Buddhism

-10% Stability cost modifier

Leader shock.png Bön Influence

+1 Leader shock

Production efficiency.png Yaks!

+10% Production efficiency

Tolerance heretic.png The Way of Virtue

+1 Tolerance of heretics
+1 Tolerance of heathens

Diplomatic reputation.png Potala Palace

+5 Diplomatic reputation

Discipline.png The Way of the Ancients

+5% Discipline

Idea cost.png The Pale Earth School

-10% Idea cost

Idea bonus.png Bonus:

-10% Advisor costs

Traditions.png Traditions:

-25% Core-creation cost
+10% Recover army morale speed

Prestige decay.png Timurid Architecture

-2% Prestige decay

Tolerance heathen.png Tolerate Idol Worshipers

+3 Tolerance of heathens
+50% Religious unity

Cavalry power.png Mantle of the Great Khan

+20% Cavalry combat ability

War exhaustion cost.png Unleash the Tiger

-10% Cost of reducing war exhaustion

Land attrition.png Elephant Warfare

-10% Land attrition

Stability cost modifier.png Salaried Officials

-10% Stability cost modifier

Prestige.png Largest Mosque in the World

+1 Yearly prestige

Idea bonus.png Bonus:

+5% Discipline

Traditions.png Traditions:

+5% National tax modifier
+1 Yearly papal influence

Technology cost.png Birthplace of the Renaissance

-5% Technology cost
-5% Idea cost

Mercenary cost.png Condottieri

-25% Mercenary cost

Interest.png Tuscan Banking

-1 Interest per annum

Prestige.png Patron of the Arts

+1 Yearly prestige

Global trade income modifier.png Porto Franco

+15% National trade income modifier

Production efficiency.png Administrative reforms

+10% Production efficiency

Global manpower modifier.png Grand Duchy of Tuscany

+25% National manpower modifier

Idea bonus.png Bonus:

+10% Discipline

Traditions.png Traditions:

+1 Merchants
+20% Religious unity

No religion penalty.png Freedom of Religion

Negative religious tolerance no longer gives any penalties.

Global revolt risk.png Bill of Rights

-2 National revolt risk

Colonists.png Empire of Liberty

+1 Colonists

Land morale.png Lessons of Valley Forge

+10% Morale of armies

Production efficiency.png Workshop of the World

+15% Production efficiency

Prestige.png Shining City on a Hill

+1 Yearly prestige

Cb on primitives.png Indian Removal

Permanent Casus Belli against pagans.

Idea bonus.png Bonus:

+0.5 Yearly republican tradition

Traditions.png Traditions:

+10% Trade power abroad
+10% Trade efficiency

Galley cost.png Venetian Arsenal

-33% Galley cost

Diplomats.png Printing Industry

+1 Diplomats

Global trade income modifier.png Stato Da Mar

+10% National trade income modifier

Global spy defence.png State Inquisition

+30% National spy defense

Naval maintenance modifier.png Conscription

-33% Naval maintenance modifier

Stability cost modifier.png Defend the Law

-10% Stability cost modifier

Land attrition.png Provveditori ai beni Inculti

-10% Land attrition
-10% Naval attrition

Idea bonus.png Bonus:

+50% Galley combat ability

Traditions.png Traditions:

+1 Possible advisors
+20% Religious unity

Global trade power.png Promotion of Trade

+10% Global trade power

Cavalry power.png Arab Horses

+10% Cavalry combat ability

Stability cost modifier.png Harsh Penal Code

-10% Stability cost modifier

Tolerance heretic.png Tolerance

+1 Tolerance of heretics & heathens

Prestige Icon.png Carnatic Music

+1 Yearly prestige

Diplomats.png Adroit Diplomacy

+1 Diplomats

Discipline.png An Army for the City of Victory

+10% Discipline

Idea bonus.png Bonus:

+100% Available mercenaries


Group national ideas[edit]

These are shared by multiple nations simultaneously.

Anatolian Beyliks

Notes: For Aydin, Candar, Dulkadir, Karaman, Saruhan, Mentese and Ramazan.


Traditions.png Traditions:

+5% Discipline
-20% Core-creation cost

Global revolt risk.png Travelling Ozan

-1 National revolt risk

Global manpower modifier.png Seljuq Marches

+10% National manpower modifier

Cavalry power.png Akîncî Cavalry

+15% Cavalry combat ability

Extra manpower at religious war.png Ghazi

Triple manpower increase in religious wars

Trade efficiency.png Caravanserais

+5% Trade efficiency

Build cost.png Anatolian Architecture

-10% Build cost

Prestige.png Legacy of the Great Seljuq Empire

+1 Yearly prestige

Idea bonus.png Bonus:

+1 Yearly army tradition

Arabian

Notes: For Yemen, Haasa, Sharjah, Syria and Iraq.


Traditions.png Traditions:

+15% National manpower modifier
-15% Land attrition

Trade steering.png Indian Ocean Trade

+15% Trade steering

Cavalry cost.png Arabian Horses

-10% Cavalry cost

Global revolt risk.png Land of the Prophet

-1 National revolt risk

Global missionary strength.png Spreading the Prophet's Word

+1% Missionary strength

Global trade power.png Bedouin Traders

+10% Global trade power

Production efficiency.png Coffea Arabica

+10% Production efficiency

Prestige.png Arabia

+1 Yearly prestige

Idea bonus.png Bonus:

+1 Leader shock

Bengali

Notes: For any country with Bengali as primary culture, as well as Koch and Kachar.


Traditions.png Traditions:

+10% Trade steering
+33% Religious unity

Tolerance heretic.png Bengali Hindu-Sufi Syncretism

+1 Tolerance of heretics
+1 Tolerance of heathens

Trade efficiency.png Ganges-Brahmaputra Confluence

+10% Trade efficiency

Global manpower modifier.png Bengal's Endlessly Productive Rice Fields

+20% National manpower modifier

War exhaustion cost.png Mustard Oil & Ilish Mach

-10% Cost of reducing war exhaustion

Production efficiency.png Jute Production in Bengal

+10% Production efficiency

Global tax modifier.png Opium Fields of Bengal

+10% National tax modifier

Technology cost.png The Bengal Renaissance

-5% Technology cost

Idea bonus.png Bonus:

+1 Yearly prestige

Berber

Notes: For Morocco, Algiers, Fez, Tunis and Tripoli.


Traditions.png Traditions:

+100% Hostile core-creation cost on us
-10% Ship costs

Naval forcelimit.png Barbary Pirates

+25% Naval forcelimits

Land attrition.png Desert Warfare

-20% Land attrition

Global trade income modifier.png Trans-Saharan Trade

+10% National trade income modifier

Navy tradition.png Corsairs

+1 Yearly naval tradition

Cavalry power.png Tuareg Cavalry

+10% Cavalry combat ability

Diplomatic upkeep.png Dual Diplomacy

+2 Diplomatic relations

Galley power.png Brothers Barbaross

+20% Galley combat ability

Idea bonus.png Bonus:

+10% National trade power modifier

Colonial

Notes: For colonial nations.


Traditions.png Traditions:

+0.10 Yearly inflation reduction
+0.5 Yearly republican tradition

Advisor pool.png Founding Fathers

-33% Advisor costs

Global trade power.png Continental Trade

+25% Provincial trade power

Global missionary strength.png Religious Outposts

+3% Missionary strength

Idea cost.png Free Thinkers

-10% Idea cost

Global regiment cost.png Colonial Militia

-10% Global regiment cost

Global colonial growth.png New Frontiers

Terra Incognita adjacent to colonies is revealed.
+20 Global settler increase

Free leader pool.png Liberty Heroes

+1 Leader(s) without upkeep

Idea bonus.png Bonus:

+10% Land morale

Daimyos

Notes: For all countries with the Daimyo government type.


Traditions.png Traditions:

+20% Spy offence
-25% Time to fabricate claims

Discipline.png Bushido

+10% Discipline

Idea cost.png The Bun and the Bu

-10% Idea cost

Legitimacy.png Honor the ancestors

+1 Yearly legitimacy

Land morale.png The Five Rings

+10% Morale of armies

Merc maintenance modifier.png Wandering Ronin

-25% Mercenary maintenance

Land forcelimit.png Armies of the Daimyo

+50% Land forcelimits modifier

Prestige.png Honor unto Death

+1 Yearly prestige

Idea bonus.png Bonus:

+1 Yearly army tradition

German

Notes: For all countries in the Germanic culture group.


Traditions.png Traditions:

+10% National tax modifier
-10% Mercenary cost

Production efficiency.png Zunft

+10% Production efficiency

Global own trade power.png Frühlings- und Herbstmesse

+10% Domestic trade power
+5% National trade income modifier

Diplomatic reputation.png Reichskreis

+2 Diplomatic reputation

Global revolt risk.png Polizeiordnung

-1 National revolt risk

Global missionary strength.png Cuius regio, eius religio

+1% Missionary strength

Diplomatic upkeep.png Thurn und Taxis

+1 Diplomatic relations

Prestige.png Residenzstadt

+0.5 Yearly prestige

Idea bonus.png Bonus:

-5% Technology cost

Gujarati

Notes: For any country with Gujarati as primary culture.


Traditions.png Traditions:

+20% Trade steering
-1% Interest per annum

Tolerance heretic.png Garba!

+1 Tolerance of heretics
+1 Tolerance of heathens

Trade range modifier.png Jain Connections

+20% Trade range modifier

Stability cost modifier.png Gujarati Lipi

-10% Stability cost modifier

Light ship cost.png Gujarati Merchant Diaspora

-20% Light ship cost

Global own trade power.png Hub of the Indian Ocean Trade

+20% Provincial trade power modifier

Global trade income modifier.png Foreign Merchants set up Factories

+10% National trade income modifier

Merchants.png Gujarati Diaspora Descends on Africa

+1 Merchants

Idea bonus.png Bonus:

+20% Global trade power

Notes: For all Steppe Nomads except the Timurids


Traditions.png Traditions:

No extra cost for reinforcing armies
-15% Cost of reducing war exhaustion

Land attrition.png Life of the Steppe Warrior

-20% Land attrition

Cavalry power.png Traditions of the Great Khan

+20% Cavalry power

Land maintenance modifier.png Horse Supplies

-20% Land maintenance modifier

Leader shock.png Steppe Leaders

+1 Leader shock

Core creation.png Tradition of Conquest

-25% Core-creation cost

Manpower recovery speed.png Logistics of the Khan

+25% Manpower recovery speed

Global manpower modifier.png Glory of Conquest

+25% National manpower modifier

Idea bonus.png Bonus:

-10% Stability cost modifier

Indian Sultanates

Notes: For all Muslim states in India except the Mughals.


Traditions.png Traditions:

+50% Religious unity
+5% Infantry combat ability

Tolerance heathen.png Tolerate Idol Worshippers

+3 Tolerance of heathens

Global revolt risk.png Persian Court

-1 National revolt risk

Global tax modifier.png Comprehensive Land Survey

+10% National tax modifier

Global manpower modifier.png Counting the People

+10% National manpower modifier

Global trade power.png Equality Under the Law

+5% National trade power modifier

Prestige.png High Court Culture

+1 Yearly prestige

Stability cost modifier.png Sultanate Bureaucracy

-10% Stability cost modifier

Idea bonus.png Bonus:

+2% Missionary strength

Irish

Notes: For all countries with Irish as primary culture.


Traditions.png Traditions:

+0.5 Yearly republican tradition
+10% Trade steering

Land attrition.png Irish Endurance

-10% Land attrition

Stability cost modifier.png The Clanns

-10% Stability cost modifier

Global revolt risk.png More Than Irish

-2 National revolt risk

Global tax modifier.png Ineffectual Overlords

+10% National tax modifier

Diplomatic reputation.png Foreign Nationals

+2 Diplomatic reputation

Papal influence.png Loyal Catholics

+3 Yearly papal influence

Rebel support efficiency.png Unconquerable Ireland

+25% Rebel support efficiency

Idea bonus.png Bonus:

+5% Trade efficiency

Italian

Notes: For Latin countries with their capital in Italy.


Traditions.png Traditions:

+10% National trade income modifier
+2 Yearly papal influence

Idea cost.png Italian Renaissance

-5% Idea cost

Mercenary cost.png Italian Condottieri

-20% Mercenary cost

Global spy defence.png Italian Aristocracy

+5% National spy defense
+50% Hostile core-creation cost on us

Defensiveness.png Trace Italienne

+15% Fort defense

Prestige.png High Renaissance Art & Architecture

+1 Yearly prestige

Spy offence.png Italian Diplomacy

+10% Spy offense
+1 Diplomatic relations

Stability cost modifier.png Commedia dell'arte

-10% Stability cost modifier

Idea bonus.png Bonus:

Yearly Legitimacy: +1
Yearly Republican Tradition: +0.5

Malayan

Notes: For Malaya, Sulu, Pattani, Aceh, Brunei, Malacca and Makassar.


Traditions.png Traditions:

-10% Ship costs
+10% Trade steering

Merchants.png Indian Ocean Trade

+1 Merchants

Tolerance heathen.png Sufi Legacy

+2 Tolerance of heathens

Production efficiency.png Spice Islands

+10% Production efficiency

Idea cost.png Classical Malay

-5% Idea cost

Naval maintenance modifier.png Trading Fleets

-20% Naval maintenance modifier

Prestige.png Heirs of Pasai

+1 Yearly prestige

Colonists.png Settle the Islands

+1 Colonists

Idea bonus.png Bonus:

+20% Morale of navies

Maratha

Notes: For Marathas, Nagpur, Baroda and Gwalior .


Traditions.png Traditions:

+10% National manpower modifier
+20% Manpower recovery speed

Cavalry power.png Tradtion of Military Service

+10% Cavalry combat ability

Defensiveness.png Forts of Maharashtra

+20% Fort defense

Infantry cost.png Peasant Soldiers

-20% Infantry cost

Core creation.png Office of the Peshwa

-10% Core-creation cost

Global tax modifier.png Strengthen ties with Brahmin Financial Families

+10% National tax modifier

Production efficiency.png Reform The Bureaucracy

+10% Production efficiency

Global ship cost.png Expand Maratha Navy

-10% Ship costs

Idea bonus.png Bonus:

-10% Stability cost modifier

Native

Notes: For North American natives with Native Council government.


Traditions.png Traditions:

+20% Manpower Recovery Speed
+100% Prestige from Land Battles

Land morale.png Counting Coups

+15% Morale of Armies

Idea cost.png Storytelling Tradition

-10% Idea Cost

Production efficiency.png Clan Mothers

+10% Production Efficiency

Stability cost modifier.png Adopt Clan Totems

-10% Stability Cost Modifier

Global revolt risk.png The Little War

-2 National Revolt Risk

Global manpower modifier.png War and Peace Chiefs

+20% National Manpower Modifier

Global colonial growth.png Great Winter Hunts

+25 Global Settler Increase

Idea bonus.png Bonus:

+1 Diplomatic Relations

Rajput

Notes: For all non-Muslim countries with Rajput as primary culture.


Traditions.png Traditions:

+10% Manpower recovery speed
+50% Hostile core-creation cost on us

Global manpower modifier.png Clan Loyalties

+15% National manpower modifier

Defensiveness.png Fortifying Rajputana

+15% Fort defense

Cavalry power.png Marwari Horses

+10% Cavalry combat ability

War exhaustion cost.png Rajput Resistance

-10% Cost of reducing war exhaustion

Prestige.png Create Rajput Painting School

+1 Yearly prestige

Leader shock.png Martial Ethos

+1 Leader shock

Trade steering.png Rajput Trading Houses

+10% Trade steering

Idea bonus.png Bonus:

+5% Discipline

South Indian

Notes: For all Dravidian countries with Hinduism as state religion.


Traditions.png Traditions:

+15% Production efficiency
+33% Religious unity

Trade range modifier.png Merchants of Southern India

+20% Trade range modifier

Global tax modifier.png Water Tanks and Canals

+10% National tax modifier

Global manpower modifier.png Polygar System

+10% National manpower modifier

Mercenary cost.png South Indian Mercenaries

-15% Mercenary cost

Legitimacy.png Patronage of Great Temples

+1 Yearly legitimacy

Prestige.png South Indian Literature

+1 Yearly prestige

Merchants.png Merchant Capitalists

+1 Merchants

Idea bonus.png Bonus:

+10% National trade income modifier

Theocracies

Notes: For all Christian theocracies.


Traditions.png Traditions:

+20% Manpower recovery speed
+1 Missionaries

Discipline.png Holy Order

+10% Discipline

Core creation.png Church Administration

-10% Stability cost modifier
-10% Core-creation cost

Defensiveness.png True Defender of the Faith

+25% Defensiveness

Global missionary strength.png No Witches

+2% Missionary strength

Global garrison growth.png Onward Christian Soldiers

+10% National garrison growth

Hostile attrition.png Turn the other cheek

+1 Hostile attrition

Global tax modifier.png Render unto Caesar

+10% National tax modifier

Idea bonus.png Bonus:

+20% National manpower modifier


Converter-only[edit]

These ideas are available only in imported CK2 games.

Notes: Available only in saves imported with Sunset Invasion active.


Traditions.png Traditions:

-5% Advisor costs
+5% Infantry combat ability

Technology cost.png Build the Telpochcalli and the Calmecac

-5% Technology cost

Global revolt risk.png Enact the Flower Wars

-1 National revolt risk

May explore.png Invade the Whiteskins

Can recruit Explorers and Conquistadors
-10% Naval attrition

Global tax modifier.png State Administration Reform

+5% National tax modifier

Production efficiency.png Found the Imperial Cities

+5% Production efficiency

Discipline.png Form the Imperial Jaguars and Eagles

+10% Discipline

Global tariffs.png The Imperial Road Network

+10% Global tariffs

Idea bonus.png Bonus:

+10% Morale of armies

Traditions.png Traditions:

+25% National spy defense
+1 Attrition for enemies

Spy offence.png Hashshashin's Creed

+20% Spy offense

Diplomats.png Avoid Bloodshed

+1 Diplomats

Defensiveness.png The Ismailis Dar al-hijra

+30% Fort defense

Enemy core creation.png Mountain Fortresses

+100% Hostile core-creation cost on us

Diplomatic reputation.png A Dagger and a Note

+3 Diplomatic reputation

Rebel support efficiency.png Murder In the Open

+50% Rebel support efficiency

Manpower recovery speed.png Revive the Jihad of Hassan

+10% Manpower recovery speed

Idea bonus.png Bonus:

+10% National garrison growth

Notes: Available only in saves imported with Sunset Invasion active.


Traditions.png Traditions:

-5% Advisor costs
+20% Fort defense

Global manpower modifier.png Census Record Quipo

+5% National manpower modifier

Stability cost modifier.png Enforce Quechua

-5% Stability cost modifier

Technology cost.png The Written Word

-10% Technology cost

Global trade income modifier.png Official Axe-monies

+10% National trade income modifier

Merchants.png Imperial Gold Trading

+1 Merchants

Global tax modifier.png State Adminstration Reform

+5% National tax modifier

Global tariffs.png The Imperial Road Network

+10% Global tariffs

Idea bonus.png Bonus:

+10% Land forcelimits modifier

Traditions.png Traditions:

+1 Yearly legitimacy
+1 Tolerance of the true faith

Global revolt risk.png End of Diaspora

-1 National revolt risk

Discipline.png National Myths Restored

+10% Discipline

Production efficiency.png Return Home

+20% Production efficiency

Trade steering.png Jewish Trade Tradition

+10% Trade steering
+10% National trade income modifier

Interest.png Jewish Banking

-1 Interest per annum

Global colonial growth.png People of Exile

+33 Global settler increase

Enemy core creation.png The Chosen People

+100% Hostile core-creation cost on us

Idea bonus.png Bonus:

+5 Diplomatic reputation

Traditions.png Traditions:

+3% Missionary strength
+1 Tolerance of heathens

Prestige.png Crown of Thorns

+5 Yearly prestige

Papal influence.png Latin Patriarch

+1 Yearly papal influence

Discipline.png Frontier State

+5% Discipline

Missionaries.png Land of the Heathen

+1 Missionaries

Leader shock.png Crusader Aristocracy

+1 Leader shock

Defensiveness.png Crusader Castles

+40% Fort defense

Diplomatic reputation.png Cosmopolitan Nobility

+5 Diplomatic reputation

Idea bonus.png Bonus:

+25% National manpower modifier

Traditions.png Traditions:

+1 Leader shock
+5% Discipline

Land morale.png The Jomsviking Code

+10% Morale of armies

Land forcelimit.png Legend of Jomsborg

+15% Land forcelimits modifier
+5% Naval forcelimit modifier

Manpower recovery speed.png For the Glory of the Allfather

+10% Manpower recovery speed

Cb on religious enemies.png By Thor's Name

Permanent casus belli against all other religious groups.

Production efficiency.png Adopt Feudal System

+10% Production efficiency

Stability cost modifier.png Implement the Högting

-10% Stability cost modifier

Prestige.png Valhalla Awaits

+1 Yearly prestige

Idea bonus.png Bonus:

+10% Infantry combat ability

Traditions.png Traditions:

+3 Diplomatic reputation
+1 Tolerance of heathens

Discipline.png Latin Rule

+10% Discipline

Global tax modifier.png Letters of Credit

+20% National tax modifier

Cavalry power.png Assault Troops of the Crusades

+10% Cavalry combat ability

Inflation reduction.png Bank Of Europe

+0.10 Yearly inflation reduction

Production efficiency.png The Templar Enterprise

+20% Production efficiency

Advisor pool.png The Supporting Infrastructure

+1 Possible advisors

Free leader pool.png Crusader Traditions

+1 Leader(s) without upkeep

Idea bonus.png Bonus:

+25% National manpower modifier

Traditions.png Traditions:

+10% Discipline
+1 Yearly legitimacy

Global revolt risk.png Pax Romana

-1 National revolt risk

Diplomatic reputation.png Legacy of Rome

+5 Diplomatic reputation

Stability cost modifier.png S.P.Q.R.

-20% Stability cost modifier

Land forcelimit.png The Roman Legions

+15% Land forcelimits modifier
+10% Infantry combat ability

Production efficiency.png Roman Architecture

+20% Production efficiency

Global tax modifier.png Imperial Bureaucracy

+10% National tax modifier

Core creation.png Imperium Sine Fine

-20% Core-creation cost

Idea bonus.png Bonus:

+33% National manpower modifier


Realm
RulerAdvisorIdea groupsNational ideasTechnologyStability