Traditions represent the socio-cultural evolution of an empire as it expands and develops and consist of abilities, edicts, or bonuses unlocked with the unity resource. Traditions are a key mechanic for tailoring the playstyle of an empire by allowing the player to reinforce the empire's strengths or lessen its weaknesses. Completing a tradition tree unlocks a slot for an ascension perk, which provides even further enhancements.
The cost of unlocking a tradition depends on how many traditions the empire has already unlocked, as well as the empire size cost. The tradition cost formula is the following:
"Tradition cost" refers to the game setting. "Empire size effect" is a modifier to the effect of empire size on its associated penalties, including tradition cost; it is affected by certain authorities. The adoption and finisher effects both count as traditions in their own right, so starting a group counts as one tradition, and unlocking the last tradition in a group counts as two.
Traditions are grouped into tradition trees with 5 traditions each, as well as a bonus for adopting the tradition tree and one for finishing it. Each empire can select up to 7 tradition trees.
The Adaptability and Versatility tradition trees focus on using planets more efficiently and a few empire bonuses. Empires that are not Machine Intelligence have access to Adaptability while Machine Intelligence empires have access to Versatility.
Adaptability
Adoption effects:
−10% Pop Housing Usage
Unlocks the Conquer Nature agenda (if )
Enhanced Recycling
−15% Building and District strategic resource cost and upkeep
Environmental Diversification
+10% Habitability
Survival of the Fittest
−25% Orbital bombardment damage
+25% Defense Army Damage
Adaptive Ecology
+1 Building slots for all planets
Appropriation
−50% Resettlement Cost
Finisher effects:
Capital designations give additional +5% to all jobs
Resource designations give additional +10% to their associated jobs
Specialist designations give additional +5% to their associated jobs
The Harmony and Synchronicity tradition trees focus on better managing the empire. Individualist empires have access to the Harmony tree while Gestalt Consciousness empires have access to the Synchronicity tradition tree.
The Diplomacy tradition tree focuses on improving the benefits an empire can gain through diplomacy and is not available to empires with the Inward Perfection or Devouring Swarm civics.
Diplomacy
Adoption effects:
−50% Diplomatic Influence Cost
Unlocks the Diplomatic Grants edict
Unlocks the Build Relations agenda (if )
The Federation
Can create Federations
+1 Available Envoys
Diplomatic Networking
+3 Unity per Embassy
Allows advanced diplomatic actions without an Embassy
Entente Coordination
+100% Federation Naval Capacity Contribution
−25% Border Friction
Direct Diplomacy
+50 Trust Cap
+33% Trust Growth
Eminent Diplomats
+5 Diplomatic Acceptance
1% Monthly chance to gain a Favor from Improving Relations
The Domination tradition tree focuses on better managing planets and is available to all empires. Some of its perks have different effects for Gestalt Consciousness empires.
The Enmity tradition tree focuses on gaining bonuses from having rivals and is not available to Genocidal, Inward Perfection or Driven Assimilator empires.
Enmity
Adoption effects:
+3% Pop growth per neighboring rival
+3% Mechanical pop assembly per neighboring rival
+3% Organic pop assembly per neighboring rival
Unlocks the Second Strike agenda (if )
Rise to the Occasion
+0.5 Leader capacity for each class per rival
Match
Economic power of any rival is Superior or Overwhelming:
+10% Worker and Menial Drone output
Fleet power of any rival is Superior or Overwhelming:
−5% Ship build cost
+10% Ship build speed
Technology level of any rival is Superior or Overwhelming:
−15% Researcher upkeep
+100% Research buildings build speed
Consummate Contrarian
+50% Diplomatic Weight when opposing resolutions
Outpace
+15% Damage to rivals
Eclipse
After winning a war with the Animosity casus belli:
The Politics tradition tree focuses on power in the Galactic Community and is only available after the Galactic Community has been formed. It is not available to genocidal empires.
Politics
Adoption effects:
+1 Available Envoys
+0.1 Monthly Influence per skill level of Official assigned to the Galactic Community
Unlocks the Pioneer Politics agenda (if )
Quid Pro Quo
+1 Favor from the proposing empire when a supported resolution passes
Gravitas
−25% Resolution proposal cost
−25% Resolution veto cost
+2.5% Diplomatic Weight per skill level of Official assigned to the Galactic Community
National Agenda
Whenever a resolution proposed by this empire passes, gain 18x unity output (250~1 000 000)
Persistent Petitioners
Whenever a resolution proposed by another empire passes, gain +25% Diplomatic Weight until a resolution proposed by this empire passes.
Ascension tradition trees require a specific technology and either a certain ascension path perk or origin. As such, they are all mutually exclusive. AI empires will always pick these tradition trees if they have unlocked them.
The Cybernetic tradition tree focuses on augmenting the population with Cybernetic implants.
Adopting it requires the
Integrated Cybernetics
Adaptive Cybernetics
technology and either:
The Flesh is Weak
Organo-Machine Interfacing
ascension perk
Cybernetic Creed origin
During the Cyberization and The Conclave of Fusion situations, the traditions do not provide any benefit and finishing the tradition tree does not award the ascension perk. Instead, each tradition increases situation progress speed by +5%, and completing the tradition tree increases it by an additional +25% (total of +50%).
Many of these traditions have different effects for Hive Minds and Driven Assimilators.
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Cybernetics
Adoption effects:
Unlocks a special project to give all pops the Cybernetic trait (if )
Starts the Cyberization situation (if )
If Cybernetic Creed, replaced by:
Starts the The Conclave of Fusion situation
Unlocks the Cybernetic Advantage agenda
Transubstantiation Synthesis
Unlocks Cybernetic Assimilation
If Fanatic Purifiers, replaced by Organ Harvesting:
+10% Pop growth speed on planets with ongoing purges
The Synthetic tradition tree focuses on transferring the minds of your population into mechanical bodies and improving your mechanical pops.
For organic empires, it requires the Artificial Administration technology and either:
Synthetic Evolution ascension perk
Synthetic Fertility origin
For machine empires, the availability of this tradition tree depends on active DLCs:
If The Machine Age DLC is not enabled, machine empires can adopt this tradition tree if they have the Machine Template System technology and the Synthetic Age ascension perk.
If The Machine Age DLC is enabled, machine empires cannot adopt this tradition tree, and use unique Machine ascension paths instead.
During the Synthetization situation, the traditions do not provide any benefit and finishing the tradition tree does not award the ascension perk. Instead, each tradition increases situation progress speed by +5%, and completing the tradition tree increases it by an additional +25%.
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Synthetics
Adoption effects:
Adds Artificial Personality Matrix as a guaranteed research option
Unlocks a special project to turn all organic non-Livestock pops mechanical (if )
Starts the Synthetization situation (if )
Unlocks the Synthetic Yield agenda
Maintenance Protocols
−10% Robotic pop amenities usage
Synthetic Age
Unlocks Synthetic assimilation
If Fanatic Purifiers, replaced by Solid-State Actuators:
+20% Leader Lifespan
If chose Virtual in Digital Refactoring event chain:
A Machine empire picking the Synthetic Age ascension perk will start the Transformation situation. At stage IV of the situation, the empire will be given an option to choose between three unique ascension traditions.