National Destinies – Formables Content

Adds unique, historically-themed content to 121 formable countries in EU5. In addition, 38 full new plausible (not quite historical) formables. Formation events, custom advance trees, 780+ bureaucracies, post-formation destiny missions, and bespoke units and buildings across the formable countries.

To see all the formables on a map and check the requirements to form them, check the guide in the discussions.

Please comment below if you find bugs or balance outliers.

I’m not a historian, but I’ve built a pipeline that uses AI to research each nation’s history and generate content. Every country then passes through 10 automated validators running 60 distinct checks covering balance against vanilla distributions, modifier correctness, cross-references, vanilla deduplication, and more. The validation side is all deterministic Python, no AI involved. That said, expect some historical liberties and inaccuracies. If something is egregiously wrong, let me know.

Paradox will almost certainly add proper flavor content to formables through DLC and patches, and they’ll do it better with deeper integration into the game’s systems. This mod is for the impatient. When official content arrives for a country, this mod’s version will likely become redundant for that tag.

Formation events
When you form a country, you get a narrative event presenting historically-themed choices, each granting different timed bonuses that reflect that nation’s character.

Advance trees
Each formable gets custom advance tree nodes with permanent bonuses spread across most or all of the game’s six ages, themed around the nation’s historical strengths: military traditions, trade networks, cultural achievements, governance innovations.

Custom content
Where history supports it, formables also get custom units, buildings, production methods, and levies.

Each country typically receives 25 to 40 new advances and 4 to 9 narrative events. Countries that already have vanilla advances are enhanced with additional content to fill gaps, not replaced.

Destiny trees
After forming a country, your formation event choice unlocks one of two exclusive destiny paths, a branching mission tree delivered through the advance system. Each path has three stages of escalating objectives: control key territories, develop your economy, embrace institutions. Capstone stages unlock exclusive buildings. Every standard formable now has a destiny tree.

To find your destiny tree after forming, open the Advances Tree and look in the Traditions tab (first age). Your destiny advances appear as a separate cluster, right next to or in between all the other trees (EU5 does automatic ordering).

WARNING: Destiny advances only stay as long as you remain that specific formable. They don’t follow you if you form a new country. This is intentional: destiny is the trade-off against the formable-stacking meta. Staying with your formed country gives you the destiny depth; stacking up gives you breadth.

Bureaucracies (1.2 base game system)
Each formable gains 4 to 9 toggleable historical institutions on formation, around 780 total across all 121 countries. Each institution is a slotted bureaucracy with a maintenance slider, positive and negative modifiers that scale with funding, and estate alignment. Examples: royal mints, examination boards, customs houses, military councils.

The mod also adds an Administrative Doctrine government reform (three mutually exclusive philosophies, age gated 1/2/3+) and a Bureaucratic Funding law with four funding policies that decide how cheap institutions are to install, retune, or modernize. Both gate on bureaucracies being unlocked, and both are excluded from Byzantium and Trebizond since vanilla already gives those nations dedicated bureaucracy advances.

Toggleable via game rules (enabled by default).

Chinese Mandate Crisis (disabled by default)
Disabled by default. Enable it in the game rules menu before starting a new game. See the Discussions tab for more details.

The purpose of this system is to destabilize AI China — it has not been tested for player use.

When celestial authority drops below 30 and the empire is weakened by instability, low legitimacy, or unhappy estates, a crisis begins. The mandate holder must restore order through a series of escalating events or risk losing the mandate entirely. Includes 8 narrative events with meaningful choices, economic and military consequences, and interaction with the vanilla celestial authority system.

The mod adds over 5,000 advances (4,100+ heritage and 920+ destiny), nearly 1,600 events, and over 3,200 custom buildings, production methods, units, and levy templates across 121 formable countries.

Europe: Al-Andalus, Angevin Empire, Aragonese Empire, Austria, Baltic, Bavaria, Belgium, Bohemia, Bosporan Kingdom, Burgundy-Provence, Byzantium, Carthage, Celtic Union, Dalmatia, Dalriada, Europe, Finland, Franconia, Germany, Great Britain, Greater Burgundy, Greece, Hanover, Hen Ogledd, Holy Roman Empire, Ireland, Italy, Knights of the Temple, Livonia, Lotharingia, Mazovia, Moldavia, Netherlands, North Sea Empire, Poland, Poland-Lithuania, Pomerania, Pontus, Prussia, Romania, Roman Empire, Russia, Ruthenia, Sardinia, Scandinavia, Schleswig-Holstein, Silesia, Slovakia, Sovereign Order of Saint John, Spain, Swabia, Switzerland, Tabor Republic, Tuscany, Two Sicilies, Ukraine, Westphalia
Middle East & Persia: Arabia, Cilician Armenia, Crusader Africa, Egypt, Gilan, Ilkhanate, Kingdom of Jerusalem, Kurdistan, Latin Empire, Persia, Rum
Africa: Air, Almohad Caliphate, Beja, Dahomey, Ethiopia, Hausaland, Kongo, Madagascar, Mali, Morocco, Mossi, Nubia, Sokoto, Somalia
India & Inner Asia: Ahom Kingdom, Bahmani Sultanate, Bengal, Deccan, Delhi, Durrani Empire, Gujarat, Hindustan, Karnata Empire, Marathas, Mughal Empire, Nepal, Punjab, Rajputana, Tibetan Empire
Southeast Asia & Oceania: Aotearoa, Ayutthaya, Banten, Borneo, Malacca, Malaya, Mataram, Nusantara, Pagarruyung, Shan States, Siam
East Asia: China, Japan, Kazakh, Manchu, Mongol Empire, Mongolia, Ryukyu, Tibet, Yuan
Americas: Aztec Empire, Canada, Comancheria, Haudenosaunee, Inca, Maya, Mexico, United Pueblo, United States, Wallmapu

The mod adds 38 new formable countries that don’t exist in vanilla, each with full content (formation events, advance trees, custom units, buildings, bureaucracies, destiny trees):

Ahom Kingdom, Almohad Caliphate, Angevin Empire, Aragonese Empire, Ashanti Confederacy, Bosporan Kingdom, Cilician Armenia, Comancheria, Durrani Empire, Great Tang, Greater Burgundy, Kanem-Bornu, Karnata Empire, Kilwa Sultanate, Kingdom of Benin, Knights of the Temple, Lan Xang, Luba Empire, Maharlika, Moro Sultanate, Muisca Confederation, Mutapa Empire, Nanzhao, Oyo Empire, Pintados Confederation, Song, Songhai Empire, Sovereign Order of Saint John, Tabor Republic, Tibetan Empire, Wallmapu, Yavana Empire, Yamato Empire, Khilafah (caliphate), Aegyptus, Suvanabhumi, Assyrian empire, Beth Nahrain.

To see all the formables on a map and check the requirements to form them, check the guide in the discussions.

Works with EU5 version 1.*.*. Best started with a new game. Adding mid-save will give you the advances and custom content, but countries already formed will miss their formation event.

May conflict with other mods that modify formable country definitions.

Moved to discussions.