Military tradition

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Military traditions location

Military tradition gives a bonus depending on its strength. Army tradition provides higher morale and quicker manpower recovery, and naval tradition provides higher morale and better trade steering.

It is possible to increase naval tradition by conducting trade missions with fleets (scaled by naval force limits). If a nation's entire fleet is conducting trade missions, the nation will get an extra +2 naval tradition per year.

Tradition is changed each month.

Army tradition.pngArmy tradition

Also shown as Army Tradition.png in the end of combat screen.

100 army tradition gives 100% of the following bonuses:[1]

Recover army morale speed.png +10% Recover army morale speed
Morale of armies.png +25% Morale of armies
Manpower recovery speed.png +10% Manpower recovery speed
Siege ability.png +5% Siege ability
Commanderies faction influence +0.10 Commanderies faction influence
Aristocrats influence +0.10 The aristocrats influence
Girondist influence +0.10 Girondists influence
Militarization of state.png +0.10 Militarization of state
Nobility loyalty equilibrium.png +0.05% Nobility loyalty equilibrium
Marathas loyalty equilibrium.png +0.05% Marathas loyalty equilibrium
Rajputs loyalty equilibrium.png +0.05% Rajputs loyalty equilibrium

Army tradition.pngGaining army tradition

  • Battles are the primary source of army tradition for small and midsized nations. You can view how much you gained in any particular battle on the battle result screen. The exact formula for tradition gain is not currently known, but the relevant factors are:
    • Casualties inflicted on the enemy. The more kills, the more tradition.
    • Stack wipe bonus. The complete destruction of enemy stacks grants more tradition than simply inflicting the same number of casualties.
    • Relative strength of nations. This unknown factor determines the conversion ratio between casualties inflicted and tradition gained. It may depend on any or all of the following factors: national base tax, force limit, army size, unit types, unit quality, total manpower, current manpower, etc. If there are multiple nations on the same side of battle, their conversion factors appear to be averaged. Large nations can therefore gain considerably more army tradition from battles by fighting with smaller allies.
The number of troops that you send into battle, the losses that you suffer, and the quality of your leader have no observable effect on your army tradition gain.
Certain ideas increase the amount of military tradition gained from battles:
Army tradition from battles Traditions Ideas Bonuses Policies
+100%
  • Defensive idea 1: Battlefield Commissions
+50%
  • Dhundhari idea 5: Battles in Foreign Lands
  • Mapuche idea 3: Mapuche Tactics
  • Miao idea 7: Legacy of the Miao Rebellions
  • Montferrat idea 5: Apennine Campaigns
  • Thomondian idea 6: Thomond's Army Reform
  • Fulani ambition
  • Each successful siege grants +1 army tradition. This is the primary source of army tradition for larger nations.
  • Active forts give a maximum +1 army tradition yearly. Maximum gain occurs when you have 1 actively maintained current technology fort per 50 development across your nation. tbd if current tech is defined as your current tech or best tech from all players in game.
  • Some events can affect tradition.
  • Several national ideas contribute to tradition:
Army tradition.png Traditions Ideas Bonuses Policies
+0.50 yearly
  • Afghan traditions
  • Bahmani traditions
  • Karamanid traditions
  • Prussian traditions
  • Songhai traditions
  • Quality idea 2: Quality Education
  • Armenian idea 6: Nakharar Titles
  • Baluch idea 7: Baluchi Leadership
  • Bavarian idea 7: Found the Royal Order of Saint George
    for the Defense of the Immaculate Conception
  • Bayreuther idea 5: Ordre de la Sincérité
  • Beloozero idea 5: Officers of Beloozero
  • Bengal Sultanate idea 2: Promote Habshi Generals
  • Burmese idea 4: Chakravartin
  • Caucasian idea 6: Eastern Influence
  • Cossack idea 5: Military Society
  • Cypriot idea 2: Frankish Crusaders
  • Delhian idea 1: Afghan Nobility
  • Imperial German idea 5: German Junkers
  • Khorasani idea 2: Rein in the Turko-Mongol Emirs
  • Knights Hospitaller idea 7: Crusader Tradition
  • K'iche idea 2: Ilo'kab traditions
  • Leonese idea 1: Heritage of the Reconquista
  • Muiscan idea 3: Gueches Wrestling
  • Muscovite idea 2: Legacy of Dmitriy Donskoi
  • Nagpuri idea 4: Invite Maratha Warriors
  • Najdi idea 1: Bedouin Poets
  • Naxian idea 4: Legacy Of Crusaders
  • Nepali idea 4: Rajput Refugees
  • Ogasawara idea 5: Ogasawara-ryu
  • Satake idea 1: Hitachi Genji
  • Sistani idea 4: Loyal Service
  • Takeda idea 7: Koyo Gunkan
  • Telugu idea 2: Telugu Warrior Aristocrats
  • Trierian idea 1: Crusader Past
  • Uesugi idea 2: Yamanouchi and Ogigayatsu Branches
  • Yaroslavlyian idea 5: Cult of Generals
  • Anatolian ambition
  • Ashikaga ambition
  • Daimyo ambition
  • Ulmer ambition
+0.25 yearly
  • Russian idea 6: The Table of Ranks

Army tradition decay.pngLosing army tradition

The base tradition decays are 5% of the current tradition annually. (This means –5% of whatever the current tradition is, not a flat –5; so if you have 20 tradition then decay will reduce it by -1 annually.)

Ideas and policies that reduce yearly army tradition decay are:

Army tradition decay.png Traditions Ideas Bonuses Policies
−1% yearly
  • Couronian traditions
  • Shimazu traditions
  • Traditions of Theodoro
  • Uesugi traditions
  • Utsunomiya traditions
  • Aristocratic idea 5: Noble Officers
  • Amago idea 1: Omi-Genji
  • Castilian idea 1: The Reconquista
  • East Frisian idea 2: The Saxon Feud
  • Mewari idea 1: Rajput Heartland
  • Prussian idea 2: The Soldier-King of Prussia
  • Shoni idea 6: Hagakure
  • Tapuian idea 4: Land of Mythology
  • Texan idea 5: Frontier Nation
  • Tupi idea 6: Head Hunters
  • Albanian ambition
  • Québécois ambition
−0.5% yearly
  • Espionage-Quality: The Deserter Act

Note: Battles lost will not reduce tradition. It is gained regardless of victory or defeat.

Maintaining 100 army tradition during peacetime

As of patch 1.13, it is possible for any country to achieve 100 army tradition during peace. At 100 army tradition, the decay rate is 5 per year. To keep tradition at 100 during peace, your nation's army tradition gain combined with its decay rate (-1% Army tradition decay at 100 army tradition = +1 Army Tradition) must counteract this 5 per year loss. For most countries, both an active policy and the maximum active fort bonus is required to maintain 100 army tradition.

The following are all of the possible modifiers to tradition gain or decay rate:

Navy tradition.pngNavy tradition

Also shown as Navy Tradition.png in the end of combat screen.

100 navy tradition gives 100% of the following bonuses:[2]

Recover navy morale speed.png +10% Recover navy morale speed
Morale of navies.png +25% Morale of navies
Trade steering.png +100% Trade steering
Privateer efficiency.png +25% Privateer efficiency
Blockade efficiency.png +100% Blockade efficiency
Trade faction influence +0.10 Trade faction influence
Traders influence +0.10 The traders influence
Sailor recovery speed.png +20% Sailor recovery speed
Burghers loyalty equilibrium.png +0.05% Burghers loyalty equilibrium
Vaishyas loyalty equilibrium.png +0.05% Vaishyas loyalty equilibrium

Navy tradition.pngGaining navy tradition

  • Battles are the primary source of navy tradition. You can view how much you gained in any particular battle on the battle result screen. The amount of tradition gained in battle is directly proportional to the casualties inflicted on the enemy, as well as the relative strength of the nations involved. Small weak nations will gain considerably more tradition when fighting large strong nations. The number of ships that you send into battle, the losses that you suffer, and the quality of your leader have no observable effect on your naval tradition gain.
  • Some events can affect tradition.
  • Light ships that are protecting trade or privateer grant +2 naval tradition per year for every 100% of your naval force limits utilized in this manner. The formula is
yearly tradition gain = 2 * number of light ships protecting trade or privateering / naval force limit
  • Each terra incognita sea zone revealed through naval exploration grants +1 naval tradition.
  • Several national ideas contribute to tradition:
Navy tradition.png Traditions Ideas Bonuses Policies
+1.00 yearly
  • Breton traditions
  • Cham traditions
  • Galician traditions
  • Hadramhi traditions
  • Kono traditions
  • Luzon traditions
  • Mahri traditions
  • Mogadishan traditions
  • Mori traditions
  • Piratical traditions
  • Naval idea 4: Naval Glory
  • Al-Haasa idea 7: Legacy of Ramah ibn Jabir
  • Berber idea 4: Corsairs
  • Canadian idea 4: The Maritimes
  • Catalan idea 1: Consulate of the Sea
  • Cebu idea 3: Protect against the Magalos
  • Greek idea 2: Maritime Heritage
  • Khmer idea 3: Cham Migration
  • Malabari idea 6: Mapilla Sailors
  • Montenegrin idea 5: The Call Of The Sea
  • Munster idea 6: Pirate Haven
  • Novgorod idea 6: Funding the Ushkuiniks
  • Sicilian idea 3: Noble Admirals
  • Siddi idea 2: Siddi Seamanship
  • Tunisian idea 3: Corsairs
  • British ambition
  • East Frisian ambition
  • So ambition
  • Administrative-Maritime: The Naval School Act
+0.50 yearly
  • Malian idea 5: Lost Fleet of Abubakari II
  • Ragusan idea 1: Ordo Marinaritiae
+0.25 yearly
  • English idea 1: A Royal Navy

Navy tradition decay.pngLosing navy tradition

The base tradition decays are 5% of the current tradition annually. (This means –5% of whatever the current tradition is, not a flat –5; so if you have 20 tradition then decay will reduce it by -1 annually.)

Ideas and policies that reduce yearly navy tradition decay are:

Navy tradition decay.png Traditions Ideas Bonuses Policies
−1% yearly
  • Mindanao traditions
  • Aristocratic idea 5: Noble Officers
  • Luzon idea 5: Luzon Sailors
  • Mahri idea 6: Book of Navigation
  • So idea 2: Wakou Tradition
  • Sulawesi idea 2: The Bajau
  • Utsunomiya idea 4: Cadet Branches in Western Japan
  • Candarid ambition
  • Aristocratic-Maritime: Noble Naval Traditions

Note: Battles lost will not reduce tradition. It is gained regardless of victory or defeat.

Earning 100 navy tradition

It is possible for any country to achieve a permanent 100 navy tradition. This can essentially be achieved by ensuring the player has a total of 5 Yearly Naval Tradition and/or Yearly tradition decay bonuses. For example, 4 yearly Naval Tradition and -1% yearly tradition decay would be sufficient to maintain 100. This can be achieved though the use of the following:

- Wealthy land powers with few ports might find it fairly simple to field light ships beyond naval force limits for the bonuses from navy tradition.

General.pngMilitary leaders

Main article: Military leader#Formulas for point distribution

Tradition also improves the skill of military leaders. 100 Army tradition.pngarmy tradition gives, on average:

  • +2.2 to Land leader fire.pngfire, Land leader shock.pngshock, and Land leader maneuver.pngmaneuver
  • +1.0 to Leader siege.pngsiege

skill of a General.pnggeneral.

Footnotes

  1. See in /Europa Universalis IV/common/static_modifiers/00_static_modifiers.txt (Static modifiers#Army tradition).
  2. See in /Europa Universalis IV/common/static_modifiers/00_static_modifiers.txt (Static modifiers#Navy tradition).