Game concept · By God Alone
Secular Ruler Puppet
The game also links it as Secular Ruler Puppets.
From the game's encyclopedia
A non-Clergy Ruler that has become Puppet to another Character. Through this puppet, you can meddle in the affairs of other Realms, for example by using Schemes or Imprisonment.
Acquiring a puppet of this type requires at least one of these to be true:
• You are a Clergy Vassal of the target
• You are a Seducer and the target is your Lover, or your Soulmate if the target is of King rank or higher
• You are a Torturer and hold the target in your Dungeon
• You are Family Hierarch and the target is your Close Family
• You are a Diplomat and the target is an Independent Ruler
• You are a Schemer and have a Hook on the target, or a Strong Hook if the target is of King rank or higher
• You are a Gallant and the target is your Spouse
• You are a Diarch of the target in an Entrenched Regency
• You are the target's Head of Faith, Challenger Head of Faith, or Head of Rite
The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.
Secular Ruler Puppet is an entry of Crusader Kings III's in-game encyclopedia (By God Alone). The game explains it: "A non-Clergy Ruler that has become Puppet to another Character." It is part of Puppet. The game also links it as Secular Ruler Puppets. Patch 1.20.1.2, from game/common/game_concepts/pam_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/pam_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.