
Effect · every source
How to increase Independent Ruler Opinion in CK3
4 sources raise Independent Ruler Opinion and 1 lowers it in the game files of patch 1.20.0.3.
independent_ruler_opinionIn Crusader Kings III, 4 sources raise Independent Ruler Opinion and 1 source lower it. Biggest raises: Diplomat +20, Best Foot Forward +20, Defensive Negotiations +15 and Diplomat +10. It goes down with Expansion Decree -25. Patch 1.20.0.3, from the modifiers of traits, perks, traditions, buildings and the rest of game/common.
The biggest boosts
+20DiplomatTrait- +20Best Foot ForwardLifestyle perk · Adventurer government
- +15Defensive NegotiationsLifestyle perk · Not Adventurer government
What raises Independent Ruler Opinion (4)
Traits (2)

Diplomat+20
diplomat· game/common/traits/00_traits.txt
Lifestyle perks (2)
Adventurer government
ducal_conquest_perk· game/common/lifestyle_perks/00_diplomacy_1_foreign_affairs_tree_perks.txtNot Adventurer government
defensive_negotiations_perk· game/common/lifestyle_perks/00_diplomacy_1_foreign_affairs_tree_perks.txt
What lowers Independent Ruler Opinion (1)
Laws (1)
Expansion Decree-25
Devaraja Decree · Rulers with this law
mandala_decree_expansion· game/common/laws/00_realm_laws.txt
Source: game/common/laws/00_realm_laws.txt, game/common/lifestyle_perks/00_diplomacy_1_foreign_affairs_tree_perks.txt, game/common/traits/00_traits.txt and the English localisation, Crusader Kings III 1.20.0.3. Building chains are shown once, at their strongest level, with the range over their levels. Effects that come only from events or scale with a script value are not listed.