Diplomacy

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Version

Outliner top.png
This article is considered accurate for the current version (2.5) of the game.
Diplomacy between plantoid and arthropoid empires

Diplomacy in Stellaris draws on the model of previous Paradox games. Each AI nation has an opinion and relation values which are increased by friendly actions, diplomatic agreements, and agreeable ethics - and decreased by hostile behaviour and incompatible ethics. It should be noted that the dialogue at the initial contact screen has no effect on opinion or further diplomacy.

Diplomatic Actions[edit]

Many diplomatic actions have a 10-year cooldown once chosen. Some of these are unilateral while others need to be accepted by both sides which becomes a matter of acceptance. Most diplomatic options are only accepted if the target empire holds a neutral (yellow) or better attitude.

During war, the peace and surrenders are available from the war menu.

Action Effects Diplomacy opinion.png Trust growth Trust cap Influence.png Requirements Civic inwards perfection.png
Diplomacy war.png Declare War Enters the Wargoals menu to declare a war. -50 -2 50 0 No Diplomacy truce.png Truce
Diplomatic trade icon.png Offer Trade Deal Allows the negotiation of a one-time deal
Each AI personality has a different acceptance rate for trade deals.
0 0 50 0
Diplomacy rivalry.png Declare/End Rivalry Closes borders and grants the Animosity Casus Belli. -100 -2 50 +0.5 Relative Power is not Pathetic or Overwhelming
Cannot be lifted for 10 years after declaration
Default Limit of Rivalries is 3 but can be increased via Ethics and Civics
No.png
Message insult.png Insult Decaying -200 Diplomacy opinion.png opinion Opinion Modifier. 0 0 50 0
Diplomacy defensive pact.png Form/Break Defensive Pact If either empire is attacked the other will join the war as a defender.
Diplomacy truce.pngBreaking the pact sets a 10 year truce.
+20 +0.75 100 -1 Neither empire is involved in a war No.png
Diplomacy non aggression pact.png Form/Break Non-Aggression Pact Both empires will not be able to declare war upon each other.
Diplomacy truce.pngBreaking the pact sets a 10 year truce
0 +0.50 75 -0.25
Diplomacy research agreement.png Form/Break Research Agreement Applies a 25% bonus to researching technologies discovered by the other party. 0 +0.10 50 -0.25 No.png
Diplomacy commercial pact.png Form/Break Commercial Pact Both empire will gain the economic bonuses of 10% of each other's Trade value.png Trade Value. Neither empire loses any profit.
If one of the empires built a Branch Office on other other's worlds the former partner will gain the Expropriation Casus Belli.
0 +0.25 50 -0.25 Neither empire has the Civic criminal heritage.png Criminal Heritage civic No.png
Diplomacy migration pact.png Offer/Break Migration Treaty Allows the migration of Pops across both empires borders. 0 +0.25 50 0 Empires need to allow Pop Migration
Both empires have planets with at least 20% habitability for the other's species.
Neither empire has the Civic barbaric despoilers.png Barbaric Despoilers civic
No.png
Diplomacy guarantee.png Guarantee Independence The guaranteeing empire will come to the target empire's defense if attacked.
This is the only way to start building trust if the other empire holds a negative attitude.
Diplomacy truce.pngRevoking the guarantee sets a 10 year truce
+10 +0.25 50 -0.5 Both empires are independent
The independence of up to 3 empires can be guaranteed
No.png
Diplomacy support independence.png Support Independence The supporting empire will join the war against the overlord if the subject starts a war for independence. The supporting empire's power will be added to the relative power of subjects opinion modifier between the subject and the overlord. +10 +0.25 50 0 Target is a subject No.png
Diplomacy federation.png Invite to Federation Forms a new Federation with the Target Empire. +50 +1 100 -2 The Tradition diplomacy the federation.png Federation tradition, or founding member has it
Neither empire has the Civic barbaric despoilers.png Barbaric Despoilers or Civic criminal heritage.png Criminal Heritage civics
No.png
Diplomacy federation.png Ask to join Federation Requests to join an already existing Federation. +50 +1 100 -2 Existing Federation
Federation members must agree by a majority vote.
No.png
Diplomatic embassy.png Federation Association Status The empire and the Federation will not be able to declare war upon each other. +10 +0.50 100 0 The majority of federation members must agree to granting or removing the status but the associate member can cancel it at any time
Diplomacy closed borders.png Close/Open Borders Controls border access. The initial stance is determined by the Initial Border Status policy. -20 0 50 0 No Diplomacy truce.png Truce or Diplomacy rivalry.png Rivalry
Not available between overlords and subjects
Diplomacy hasvassal.png Ask to be their Vassal/Protectorate/Subsidiary Turns your empire into a Vassal or Protectorate. Request is only accepted by empires holding a Protective or Domineering attitude, which both require inferior relative power. 0 0 50 0
Diplomacy istributary.png Offer Tribute Turns your empire into a Tributary. Request is only accepted by empires holding a Protective or Domineering attitude, which both require inferior relative power. 0 0 50 0
Diplomacy hasvassal.png Demand Vassal/Protectorate/Subsidiary Status Asks the empire to become your Vassal or Protectorate.
Refusing grants the Subjugation Casus Belli.
+25 +0.25 50 0 At least Superior Relative Power No.png
Diplomacy istributary.png Demand Tribute Asks the empire to become your Tributary.
Refusing grants the Subjugation Casus Belli.
+25 +0.25 50 0 At least Superior Relative Power No.png
Diplomacy hasvassal.png Release Subject Used to avoid risking wars of independence if the relative power of subjects becomes too great.
Diplomacy truce.pngSets a 10 year truce between the overlord and former subject
0 0 50 0
Diplomacy being integrated.png Integrate Subject Integrates a Vassal or Protectorate into the overlord empire. 0 0 50 Variable Sufficient Influence.png Influence
Diplomacy hasvassal.png Request to become AE subject Become a subject of an Awakened Empire. Awakened Empires holding an Imperious attitude will agree while those holding a Belligerent attitude will prefer a more aggressive subjugation. 0 0 0 0

Acceptance[edit]

The acceptance of diplomatic agreements by computer empires is determined by multiple factors.

Agreement Friendly Attitude Receptive / Cordial / Protective Attitude Neutral / Wary Attitude Overwhelming Relative Power Superior Relative Power Shared Rival Opinion Distance Other factors
Diplomacy non aggression pact.png Non-Aggression Pact +100 +20 0 +100 +50 +50 per Rival +2 per 10 Opinion -1 per hyperlane
  • -30 per existing Non-Aggression Pact
Diplomacy commercial pact.png Commercial Pact +100 +20 0 0 0 0 +4 per 10 Opinion -1 per hyperlane
  • +1 per given Trade Value
  • -30 per existing Commercial Pact
Diplomacy research agreement.png Research Agreement +100 +20 0 0 0 0 +4 per 10 Opinion -1 per hyperlane
  • +1 per tech either empire doesn't have
  • -30 per existing Research Agreement
Diplomacy migration pact.png Migration Treaty +10 0 0 0 0 0 +5 per 10 Opinion -1 per hyperlane +10 Loyal Attitude
Diplomacy defensive pact.png Defensive Pact +50 +20 -50 +20 +10 +30 per Rival +2 per 10 Opinion -1 per hyperlane
  • +30 per shared Defensive Pact
  • -50 per existing Defensive Pact
Diplomacy federation.png Federation +30 0 -50 +20 +10 +10 per Rival +1 per 10 Opinion -1 per hyperlane
  • +100 Federation Associate
  • +30 Crisis
  • -50 Different War Philosophy policy
Diplomacy hasvassal.png Subject Demand +20 0 -50 +100 +50 0 0 -5 per hyperlane
  • -1 per 4 owned Pops

Personality[edit]

The most specific factor that determines an empire's acceptance rate is its AI personality.

AI personality Diplomacy non aggression pact.png Non-Aggression Pact Diplomacy defensive pact.png Defensive Pact Diplomacy research agreement.png Research Agreement Diplomacy commercial pact.png Commercial Pact Diplomacy migration pact.png Migration Treaty Diplomacy federation.png Federation
Honorbound Warriors -100 +20 0 -20 0 -10
Evangelizing Zealots 0 0 -20 -20 0 -20
Erudite Explorers +5 +5 +50 +10 0 0
Spiritual Seekers +20 +10 +10 +10 +20 +10
Ruthless Capitalists -10 0 +10 +20 0 -10
Peaceful Traders +20 0 +10 +20 +20 +10
Hegemonic Imperialists -10 +10 -10 -10 -50 -20
Slaving Despots -20 0 0 0 -100 -10
Decadent Hierarchy +20 -10 0 0 -100 -30
Democratic Crusaders 0 +20 0 0 0 +10
Harmonious Collective +20 0 +10 +10 -10 0
Federation Builders +25 +25 +15 +15 +10 +20
Xenophobic Isolationists +20 -20 -20 -20 -100 -50
Migratory Flock +20 0 +20 +20 +100 +20
Fanatical Befrienders +50 +50 +50 +50 +50 +50
Hive Mind -10 -10 0 0 -100 -50
Rogue Servitors 0 0 0 0 0 0
Driven Assimilators 0 0 0 0 No.png -50
Determined Exterminators 0 0 0 0 No.png 0
Machine Intelligence 0 0 0 0 No.png -50

Trust, Threat and Distance[edit]

Trust is gained slowly by maintaining any form of lasting treaty. The maximum amount of Trust obtainable is limited by the most valuable treaty between both parties. Finishing the Diplomacy tradition tree grants +50 trust cap. Trust decays if there is no new income.

Threat is acquired by conquering systems, starbases and planets as well as by using Colossus weapons. It is seen as a form of aggressive expansion. Threat gain is dependent on the AI empire's personality and distance and reduced by half by existing non-aggression pacts or stronger deals. Shared Threat acts as a positive acceptance modifier for defensive deals.

Distance negatively affects diplomatic deals as empires farther apart in hyperlane jumps are seen as less relevant. If two empires' borders share a hyperlane connection they are considered neighbors and don't suffer distance penalty but have to deal with border friction. Two distant empires that have their owned systems connected via a wormhole are also considered neighbors.

Agreements and Ethics Attraction[edit]

Some diplomatic relationships affect the ethics attraction within an Empire. Running deals can have a great impact, based on the empire ethics of the other party - always dragging their own population towards a certain Ethic. The wrong friend can cause great internal issues for an Empire.

  • War: Militarist
  • Rivalry: Militarist
  • Defensive Pact or Federation: Egalitarian, Xenophile, Spiritualist
  • Migration Access: Egalitarian, Xenophile, Spiritualist
  • Research Agreement: Materialist
  • Subject: Spiritualist if the overlord is spiritualist too

Attitude[edit]

Each empire will have a specific attitude towards other empires dictated by their AI personality, diplomatic interactions and the relative power of both empires.

Attitude Trade & Pacts Prefer peace Other Effects Requirements Description
Neutral Yes.png Yes.png none This Empire does not consider us relevant to their interests.
Wary Yes.png Yes.png none inferior relative power and shared border This Empire maintains a cautious attitude towards us.
Receptive Yes.png Yes.png more inclined to accept diplomatic pacts diplomatic AI personalities This Empire is interested in closer relations with us.
Cordial Yes.png Yes.png more inclined to accept diplomatic pacts high opinion This Empire is amenable to peaceful coexistence and trading with us.
Friendly Yes.png Yes.png more inclined to accept diplomatic pacts and join a federation high opinion and successful past diplomacy This Empire views us as a friend and may be willing to form an alliance with us.
Protective Yes.png Yes.png more inclined to accept diplomatic pacts and may ask you to become their subject high opinion and superior relative power This Empire believes that we are weak and need their protection.
Unfriendly No.png Yes.png none low opinion This Empire views us with suspicion and mistrust.
Rival No.png Yes.png none rival with low opinion This Empire views us as their rival.
Hostile No.png No.png none very low opinion This Empire views us as their enemy. They are likely to attack us if they think they can win.
Domineering No.png No.png only uses the Subjugation Casus Belli low opinion and Subjugator AI This Empire believes that we would make a fine vassal.
Threatened No.png No.png none high threat rating This Empire views us as a threatening menace.
Overlord Yes.png Yes.png none overlord This Empire is our overlord.
Loyal Yes.png Yes.png none subject with positive opinion This subject is loyal to us.
Disloyal No.png No.png considers the relative power of other subjects too subject with negative opinion This subject resents its subservience to us.
Dismissive No.png Yes.png none Fallen Empire This Fallen Empire considers us largely beneath their notice.
Patronizing Yes.png Yes.png may bestow gifts Fallen Empire with high opinion This Fallen Empire views us as errant children in need of their guidance. They may deign to bestow gifts of technology, resources or ships on us.
Angry No.png No.png will send a demand which will grant them Casus Belli if refused Fallen Empire with low opinion We have angered this Fallen Empire with our actions, and they may declare war to punish us.
Imperious No.png Yes.png will ask you to become their subject Awakened Empire This Awakened Empire views us as a future subject. They are likely to demand we surrender our independence.
Belligerent No.png No.png none Awakened Empire whose subject demand was refused This Awakened Empire views us as a target of conquest. They are likely to attack us.
Arrogant No.png Yes.png no effect Awakened Empire overlord This Awakened Empire views us with dismissive arrogance.
Custodial Yes.png Yes.png accepts joining a Federation Guardian Awakened Empires This Awakened Empire believes that it needs to protect us from the crisis currently threatening the galaxy. They are likely to attempt to ally us.
Enigmatic Yes.png Yes.png opinion is hidden and has no impact Ancient Caretakers This Fallen Empire is an ancient artificial intelligence that behaves in a strange and unpredictable manner. We do not know what to expect from it.
Berserk No.png No.png attacks any empire nearby Malfunctioning Custodians This Awakened Empire is an ancient artificial intelligence that has gone berserk. It is likely to attack anything and anyone around it.

Opinion modifiers[edit]

Opinion modifying option have no effect in a multiplayer game in relation to human players. However they will take effect if the AI takes over a human player, after the "rejoin Cooldown" has been worked off.

Permanent modifiers[edit]

There modifiers are either permanent or will persist until the diplomatic status changes and are the second most important factor in deciding how diplomacy will proceed after a first contact.

Name Value From Towards
Same Authority 10 Auth democratic.png Democratic authority Auth democratic.png Democratic authority
10 Auth oligarchic.png Oligarchic authority Auth oligarchic.png Oligarchic authority
10 Auth dictatorial.png Dictatorial authority Auth dictatorial.png Dictatorial authority
10 Imperial Imperial authority Imperial Imperial authority
Defender of the Galaxy 20 All empires Ap defender of the galaxy.png Defender of the Galaxy ascension perk
First Contact Hostilities -25 Empire attacked before communications Empire attacking before communications
First Contact War -75 Empire with planet occupied before communications Empire occupying planet before communications
Fanatic Purifiers -1000 Xeno empires Civic fanatic purifiers.png Fanatic Purifiers civic
Fellow Fanatic Purifiers 200 Civic fanatic purifiers.png Fanatic Purifiers of same species Civic fanatic purifiers.png Fanatic Purifiers of same species
Criminal Syndicate -25 Auth democratic.pngAuth oligarchic.pngAuth dictatorial.pngImperial Default authority empires Civic criminal heritage.png Criminal Heritage civic
Interstellar Assembly 10 All empires Interstellar Assembly (stage I) owner
20 All empires Interstellar Assembly (stage II) owner
30 All empires Interstellar Assembly (stage III) owner
50 All empires Interstellar Assembly (stage IV) owner
Variable Modifiers
Name Value From Towards
Our Claims on Them -5 per Claim Claimed system owner Claiming empire
Their Claims on Us -5 per Claim Claiming empire Claimed system owner
Relative Power of Subjects -1 per 1% Relative Power difference Subject Overlord
Border Friction -5 for each connected system All empires except subjects, Federation members and Fallen Empires Empires with hyperlane connection borders
Criminal Branch Offices -10 for each branch office Planet owner Branch office owner with Civic criminal heritage.png Criminal Heritage civic
Diplomatic Relationship Modifiers
Name Value From Towards
Same Overlord 50 Subject of the same Overlord Subject of the same Overlord
Allied to Rivals -100 Diplomacy rivalry.png Rivalry with the same third empire Diplomacy defensive pact.png Defensive Pact with the same third empire
Rivals with Allies -100 Diplomacy defensive pact.png Defensive Pact with the same third empire Diplomacy rivalry.png Rivalry with the same third empire
Ally of Ally 25 Diplomacy defensive pact.png Defensive Pact with the same third empire Diplomacy defensive pact.png Defensive Pact with the same third empire
Mutual Rivals 50 Diplomacy rivalry.png Rivalry with the same third empire Diplomacy rivalry.png Rivalry with the same third empire
Policy Modifiers
Name Value From Towards
Bombardment Policy -10 Pacifist.png Pacifist Menu icon policies.png Indiscriminate or Armageddon Orbital Bombardment
-20 Fanatic Pacifist.png Fanatic Pacifist Menu icon policies.png Indiscriminate or Armageddon Orbital Bombardment
Slavery Policy -10 Egalitarian.png Egalitarian or Xenophile.png Xenophile Menu icon policies.png Allowed Slavery
-20 Fanatic Egalitarian.png Fanatic Egalitarian or Fanatic Xenophile.png Fanatic Xenophile Menu icon policies.png Allowed Slavery
Interference Policy -5 Xenophobe.png Xenophobe Menu icon policies.png Passive Studies Native Interference
-10 Fanatic Xenophobe.png Fanatic Xenophobe Menu icon policies.png Passive Studies Native Interference
10 Menu icon policies.png Passive Studies Native Interference Menu icon policies.png Passive Studies Native Interference
Xenophages -25 Any empire not Authoritarian.pngFanatic Authoritarian.png Authoritarian or Xenophobe.pngFanatic Xenophobe.png Xenophobe Livestock slavery or Processing purge user
-50 Xenophile.pngFanatic Xenophile.png Xenophile Livestock slavery or Processing purge user
Biophages -50 Egalitarian.pngFanatic Egalitarian.png Egalitarian Grid Amalgamation slavery or Chemical Processing purge user
-100 Xenophile.pngFanatic Xenophile.png Xenophile Grid Amalgamation slavery or Chemical Processing purge user
Ethics Modifiers
Name Value From Towards
Bright Materialists 10 Materialist.png Materialist Materialist.pngFanatic Materialist.png Materialist
10 Fanatic Materialist.png Fanatic Materialist Materialist.png Materialist
25 Fanatic Materialist.png Fanatic Materialist Fanatic Materialist.png Fanatic Materialist
Wise Spiritualists 10 Spiritualist.png Spiritualist Spiritualist.pngFanatic Spiritualist.png Spiritualist
10 Fanatic Spiritualist.png Fanatic Spiritualist Spiritualist.png Spiritualist
25 Fanatic Spiritualist.png Fanatic Spiritualist Fanatic Spiritualist.png Fanatic Spiritualist
Free Egalitarianists 10 Egalitarian.png Egalitarian Egalitarian.pngFanatic Egalitarian.png Egalitarian
10 Fanatic Egalitarian.png Fanatic Egalitarian Egalitarian.png Egalitarian
25 Fanatic Egalitarian.png Fanatic Egalitarian Fanatic Egalitarian.png Fanatic Egalitarian
Enlightened Pacifists 10 Pacifist.png Pacifist Pacifist.pngFanatic Pacifist.png Pacifist
10 Fanatic Pacifist.png Fanatic Pacifist Pacifist.png Pacifist
25 Fanatic Pacifist.png Fanatic Pacifist Fanatic Pacifist.png Fanatic Pacifist
Materialist Fools -10 Spiritualist.png Spiritualist Materialist.png Materialist
-20 Spiritualist.png Spiritualist Fanatic Materialist.png Fanatic Materialist
-20 Fanatic Spiritualist.png Fanatic Spiritualist Materialist.png Materialist
-40 Fanatic Spiritualist.png Fanatic Spiritualist Fanatic Materialist.png Fanatic Materialist
Spiritualist Fools -10 Materialist.png Materialist Spiritualist.png Spiritualist
-20 Materialist.png Materialist Fanatic Spiritualist.png Fanatic Spiritualist
-20 Fanatic Materialist.png Fanatic Materialist Spiritualist.png Spiritualist
-40 Fanatic Materialist.png Fanatic Materialist Fanatic Spiritualist.png Fanatic Spiritualist
Egalitarian Rabble -10 Authoritarian.png Authoritarian Egalitarian.png Egalitarian
-20 Authoritarian.png Authoritarian Fanatic Egalitarian.png Fanatic Egalitarian
-20 Fanatic Authoritarian.png Fanatic Authoritarian Egalitarian.png Egalitarian
-40 Fanatic Authoritarian.png Fanatic Authoritarian Fanatic Egalitarian.png Fanatic Egalitarian
Authoritarian Tyrants -10 Egalitarian.png Egalitarian Authoritarian.png Authoritarian
-20 Egalitarian.png Egalitarian Fanatic Authoritarian.png Fanatic Authoritarian
-20 Fanatic Egalitarian.png Fanatic Egalitarian Authoritarian.png Authoritarian
-40 Fanatic Egalitarian.png Fanatic Egalitarian Fanatic Authoritarian.png Fanatic Authoritarian
Xenophilia 5 Xenophile.png Xenophile Same portrait main species
10 Xenophile.png Xenophile Same archetype main species
20 Xenophile.png Xenophile Different archetype main species
10 Fanatic Xenophile.png Fanatic Xenophile Same portrait main species
20 Fanatic Xenophile.png Fanatic Xenophile Same archetype main species
40 Fanatic Xenophile.png Fanatic Xenophile Different archetype main species
Xenophobia -5 Xenophobe.png Xenophobe Same portrait main species
-10 Xenophobe.png Xenophobe Same archetype main species
-20 Xenophobe.png Xenophobe Different archetype main species
-10 Fanatic Xenophobe.png Fanatic Xenophobe Same portrait main species
-20 Fanatic Xenophobe.png Fanatic Xenophobe Same archetype main species
-40 Fanatic Xenophobe.png Fanatic Xenophobe Different archetype main species
Xenophile Diplomacy 5 All empires not Xenophobe.pngFanatic Xenophobe.png Xenophobe Xenophile.png Xenophile with same main species archetype
10 All empires not Xenophobe.pngFanatic Xenophobe.png Xenophobe Xenophile.png Xenophile with different main species archetype
10 All empires not Xenophobe.pngFanatic Xenophobe.png Xenophobe Fanatic Xenophile.png Fanatic Xenophile with same main species archetype
20 All empires not Xenophobe.pngFanatic Xenophobe.png Xenophobe Fanatic Xenophile.png Fanatic Xenophile with different main species archetype
10 Xenophile.png Xenophile Xenophile.pngFanatic Xenophile.png Xenophile
10 Fanatic Xenophile.png Fanatic Xenophile Xenophile.png Xenophile
20 Fanatic Xenophile.png Fanatic Xenophile Fanatic Xenophile.png Fanatic Xenophile
Xenophobic Bigots -5 All empires Xenophobe.png Xenophobe with same main species archetype
-10 All empires Xenophobe.png Xenophobe with different main species archetype
-10 All empires Fanatic Xenophobe.png Fanatic Xenophobe with same main species archetype
-20 All empires Fanatic Xenophobe.png Fanatic Xenophobe with different main species archetype
Wicked Cyborgs -20 Spiritualist.png Spiritualist Trait cybernetic.png Cybernetic main species
-40 Fanatic Spiritualist.png Fanatic Spiritualist Trait cybernetic.png Cybernetic main species
Soulless Machines -40 Spiritualist.png Spiritualist Trait robotic 3.png Synthetic or Auth machine intelligence.png Machine main species
-60 Fanatic Spiritualist.png Fanatic Spiritualist Trait robotic 3.png Synthetic or Auth machine intelligence.png Machine main species
Abandoned Organic Origins -20 All empires not Materialist.pngFanatic Materialist.png Materialist or Auth machine intelligence.png Machine Intelligence Trait robotic 3.png Synthetic main species
Barbaric Despoilers -20 Militarist.pngFanatic Militarist.png Militarist Civic barbaric despoilers.png Barbaric Despoilers civic
-40 Authoritarian.pngFanatic Authoritarian.png Authoritarian Civic barbaric despoilers.png Barbaric Despoilers civic
-80 Pacifist.pngFanatic Pacifist.png Pacifist Civic barbaric despoilers.png Barbaric Despoilers civic
-50 All other ethics Civic barbaric despoilers.png Barbaric Despoilers civic
Personality Modifiers
Name Value From Towards
Pacifist Cowards -50 Honorbound Warriors AI Personality Pacifist.png Pacifist
-100 Honorbound Warriors AI Personality Fanatic Pacifist.png Fanatic Pacifist
Infidel Unbelievers -100 Evangelizing Zealots AI Personality Materialist.pngFanatic Materialist.png Materialist
Xeno Filth -1000 Fanatic Purifiers AI personality Different main species
Fanatical Befrienders 100 Fanatical Befrienders AI personality All empires
Metalheads -1000 Metalheads AI personality All empires
Is a Democracy 25 Democratic Crusaders AI personality Auth democratic.png Democratic authority
Is an Oligarchy -50 Democratic Crusaders AI personality Auth oligarchic.png Oligarchic or Auth corporate.png Corporate authority
Is an Autocracy -100 Democratic Crusaders AI personality Auth dictatorial.png Dictatorial or Imperial Imperial authority
Oppressors -100 Democratic Crusaders AI personality Civic machine servitor.png Rogue Servitor civic
-1000 Democratic Crusaders AI personality Civic machine assimilator.png Driven Assimilator civic
Fallen Empire Modifiers
Name Value From Towards
Encroaching Borders -200 Militant Isolationists Empires with hyperlane connection to them
Desecrated Holy Planet -200 Holy Guardians Empires with at least one Holy World colony
Zarqulan's Chosen +150 Holy Guardians R severed head.png Head of Zarqlan relic
Devouring Swarm -80 Enigmatic Observers Civic devouring swarm.png Devouring Swarm civic
Determined Exterminator -40 Enigmatic Observers Civic machine terminator.png Determined Exterminator civic
Utopia.pngSynthetic Dawn.pngGestalt Consciousness Modifiers
Name Value From Towards
Hive Mind -30 All empires not Gestalt consciousness.png Gestalt Consciousness Auth hive mind.png Hive Mind
Fellow Hive Mind 30 Auth hive mind.png Hive Mind Auth hive mind.png Hive Mind
Prey -1000 Civic devouring swarm.png Devouring Swarm civic All empires
Devouring Swarm -1000 All empires Civic devouring swarm.png Devouring Swarm civic
Machine Intelligence -30 All empires not Materialist.pngFanatic Materialist.png Materialist or Gestalt consciousness.png Gestalt Consciousness Auth machine intelligence.png Machine Intelligence
Fellow Machine Intelligence 30 Auth machine intelligence.png Machine Intelligence Auth machine intelligence.png Machine Intelligence
Universal Compatibility 20 Auth machine intelligence.png Machine Intelligence Tradition versatility universal compatability.png Universal Compatibility tradition
Fellow Servitors 40 Civic machine servitor.png Rogue Servitor Civic machine servitor.png Rogue Servitor
Dreaded Assimilators -100 All empires not Gestalt consciousness.png Gestalt Consciousness Civic machine assimilator.png Driven Assimilator civic
Soul Thieves -200 Spiritualist.pngFanatic Spiritualist.png Spiritualist Civic machine assimilator.png Driven Assimilator civic
Biophiles -200 Civic machine terminator.png Determined Exterminator civic Civic machine servitor.png Rogue Servitor civic
Organic Filth -1000 Civic machine terminator.png Determined Exterminator civic Biological main species
Murderer Machines -1000 Civic machine servitor.png Rogue Servitor civic or biological main species Civic machine terminator.png Determined Exterminator civic
Fellow Machines 100 Civic machine terminator.png Determined Exterminator civic Auth machine intelligence.png Machine Intelligence
Fellow Exterminators 200 Civic machine terminator.png Determined Exterminator civic Civic machine terminator.png Determined Exterminator civic
Sophisticated Machines 10 Materialist.png Materialist Auth machine intelligence.png Machine Intelligence
20 Fanatic Materialist.png Fanatic Materialist Auth machine intelligence.png Machine Intelligence
Willing Servants 20 Decadent.png Decadent main species Civic machine servitor.png Rogue Servitor civic

Event Modifiers

Name Value
Literary Savior 20 if you return the text during the Prince event
Book Burner -20 if you refuse to return the text during the Prince event
Returned Wreckage Cargo 20 if you return the minerals in the wreckage anomaly event
Stole Wreckage Cargo -20 if you claim the minerals in the wreckage anomaly event
Nurtured Forebears 100 towards Nivlac Circle if you relocate the Nivlacs in the Impossible Organism event
Discarded Forebears -100 towards Nivlac Circle if you shot the Nivlacs into space in the Impossible Organism event
Ketling Planet Subdued -20 towards Ketling Star Pack for every Ketling system claimed

Temporary Modifiers[edit]

These modifiers are temporary and will eventually disappear. However they can also be reinforced and increased up to a certain limit.

Variable Modifiers

Name Value Decay Limit
Broke Trade Pact -1 per 1/5 of the value of your side of the trade agreement 2 -200
Favorable trade deal 1 per every trade acceptance point above 1 2 100
Threat -2 per system conquered by you
-4 per starbase conquered by you
-8 per planet conquered by you
x0.5 if Diplomacy non aggression pact.png Non-Aggression Pact
0.25 -1000
Mutual Threats 1 per conquered system
2 per conquered starbase
4 per conquered planet
0.25 200
Genocidal -5 per purged Pop if Egalitarian.png Egalitarian
-5 per purged Pop if Xenophile.png Xenophile
-10 per purged Pop if Fanatic Egalitarian.png Fanatic Egalitarian
-10 per purged Pop if Fanatic Xenophile.png Fanatic Xenophile
-5 per purged Pop if Benevolent Interventionists
1 -1000
Purged our Species -25 per purged Pop of same species 1 -1000
Terror Bombing -5 per Pop killed by orbital bombardment if not Militarist.png Militarist or Fanatic Militarist.png Fanatic Militarist
-5 per Pop killed by orbital bombardment if Pacifist.png Pacifist
-10 per Pop killed by orbital bombardment if Fanatic Pacifist.png Fanatic Pacifist
-5 per Pop killed by orbital bombardment if Benevolent Interventionists
1 -100

Fallen Empires Only

Name Value Decay Limit
Accepted Gift 50 2 50
Accepted Demands 25 1 100
Refused Demands -200 1 -200
Spurned Gift -50 1 -100
Failed Task -50 1 -50
Failed Major Task -200 1 -200
Refused Task -25 1 -25
Completed Task 100 1 200
Refused Request -50 1 -100
Accepted Request 100 2 200
Refused Subjugation -200 1 -200

DLC

Name Value Decay Source DLC
War in Heaven Winner 200 5 Same side winning the War in Heaven Leviathans.png Leviathans
War in Heaven Ally 100 2 Subjects of the same FE in War in Heaven Leviathans.png Leviathans
War in Heaven Enemy -100 2 Subjects of opposing FE in War in Heaven Leviathans.png Leviathans
League of Non-Aligned Systems 200 2 Both members of the League of Non-Aligned Systems Leviathans.png Leviathans
Refused to join the League of Non-Aligned Systems -100 1 Not joining the League Leviathans.png Leviathans
Destroyed Trader Enclave -15 2 Destroying any Trader Enclave station Leviathans.png Leviathans
The Blind Wanderer -40 2 The Blind Wanderer Dyson Sphere event choice Utopia.png Utopia
Shots Fired -40 2 The Blind Wanderer Dyson Sphere event choice Utopia.png Utopia
Gland Thieves -200 1 Fountain of Gold Science Nexus event choice Utopia.png Utopia
Mind Invasion Attempt -35 2 Failing to spy on a Fallen Empire from the Shroud Utopia.png Utopia
Brought on the End -1000 5 The Reckoning Utopia.png Utopia
Mechanical Hubris Redeemed 80 1 Defeated a machine uprising and their empire is organic Synthetic Dawn.png Synthetic Dawn
Machine Oppressor -80 1 Defeated a machine uprising and their empire is mechanical Synthetic Dawn.png Synthetic Dawn
Rebellious Robots -80 1 Defeating your creators as a machine uprising and their empire is organic Synthetic Dawn.png Synthetic Dawn
Self-Emancipator 80 1 Defeating your creators as a machine uprising and their empire is mechanical Synthetic Dawn.png Synthetic Dawn
Cracked a Primitive World -40 1 Using a World Cracker on a world with a pre-FTL civilization Apocalypse.png Apocalypse
Cracked our World -1000 1 Using a World Cracker on one of their colonies Apocalypse.png Apocalypse
Shielded our World -200 1 Using a Global Pacifier on one of their colonies Apocalypse.png Apocalypse
Swept a Primitive World -40 1 Using a Neutron Sweep on a world with a pre-FTL civilization Apocalypse.png Apocalypse
Swept our World -800 1 Using a Neutron Sweep on one of their colonies Apocalypse.png Apocalypse
Converted our World -400 1 Using a Divine Enforcer on one of their colonies Apocalypse.png Apocalypse
Assimilated a Primitive World -40 1 Using a Nanobot Diffuser on a world with a pre-FTL civilization Apocalypse.png Apocalypse
Assimilated our World -600 1 Using a Nanobot Diffuser on one of their colonies Apocalypse.png Apocalypse
Liberated Planet 40 1 Returning a planet the Horde conquered from them after occupying it Apocalypse.png Apocalypse
Kept Liberated Planet -20 1 Annexing a planet the Horde conquered from them after occupying it Apocalypse.png Apocalypse
Destroyed Curator Enclave -15 2 Destroying any Curator Enclave station Distant Stars.png Distant Stars
OR
Leviathans.png Leviathans

Opinion Effects[edit]

Aside from determining an empire's attitude, opinion also affects certain quests such as The Prince. In addition, a negative opinion can trigger certain events from empires that aren't Pacifist.png Pacifist or Fanatic Pacifist.png Fanatic Pacifist.

  • An opinion below -50 can trigger a governor assassination event
  • An opinion below -100 can trigger an objection to expansion event

References[edit]


Game concepts