Remove Co-Ruler

is_shown = scope:puppet_or_actor ?= {
	liege_should_systematically_maim_co_ruler_trigger = yes
	trigger_if = {
		limit = {
			is_ai = yes
			NOT = {
				puppeteer ?= {
					is_ai = no
				}
			}
		}
		has_diarchy_active_parameter = diarchy_is_co_rulership
		liege_can_maim_co_ruler_without_killing_them_trigger = yes
	}
}

As written in game/common/character_interactions/00_prison_interactions.txt.

scope:puppet_or_actor ?= {
	is_adult = yes
}
scope:recipient = {
	custom_description = {
		text = currently_being_tortured
		NOT = {
			has_character_flag = is_being_tortured
		}
	}
}
scope:recipient = {
	is_imprisoned_by = scope:puppet_or_actor
}
scope:recipient = {
	NAND = {
		OR = {
			is_eunuch_trigger = yes
			is_female = yes
		}
		has_trait = blind
		has_trait = disfigured
		has_trait = maimed
		has_trait = one_legged
	}
}

As written in game/common/character_interactions/00_prison_interactions.txt.

on_accept = scope:recipient = {
	add_character_flag = {
		flag = is_being_tortured
		months = 6
	}
}
blind_castrate_and_disfigure_effect = yes
save_scope_value_as = {
	name = destroy_diarchy
	value = yes
}
show_as_tooltip = {
	scope:puppet_or_actor = {
		maiming_destroy_diarchy_effect = yes
	}
}
switch = {
	trigger = yes
	scope:maim_castrate = {
		show_as_tooltip = {
			scope:recipient = {
				if = {
					limit = {
						age < 12
					}
					ep3_child_castration_effect = yes
				}
				else = {
					ep3_youth_castration_effect = yes
				}
				release_from_prison = yes
			}
		}
		torture_blind_castrate_disfigure_opinion_effect = {
			VERB = castrated
		}
		scope:puppet_or_actor = {
			clear_designated_heir = yes
			trigger_event = {
				id = prison.1025
				days = 1
			}
		}
		add_clan_unity_interaction_effect = {
			CHARACTER = scope:puppet_or_actor
			TARGET = scope:recipient
			VALUE = major_unity_loss
			DESC = clan_unity_abelarding.desc
			REVERSE_NON_HOUSE_TARGET = no
		}
	}
	scope:maim_blind = {
		show_as_tooltip = {
			scope:recipient = {
				add_trait = blind
				release_from_prison = yes
			}
		}
		torture_blind_castrate_disfigure_opinion_effect = {
			VERB = blinded
		}
		scope:puppet_or_actor = {
			clear_designated_heir = yes
			if = {
				limit = {
					culture = {
						has_cultural_parameter = merciful_blinding
					}
					OR = {
						has_execute_reason = scope:recipient
						has_banish_reason = scope:recipient
					}
				}
				add_piety = medium_piety_gain
			}
			trigger_event = {
				id = prison.1020
				days = 1
			}
		}
		if = {
			limit = {
				scope:puppet_or_actor.culture = {
					has_cultural_parameter = merciful_blinding
				}
			}
			add_clan_unity_interaction_effect = {
				CHARACTER = scope:puppet_or_actor
				TARGET = scope:recipient
				VALUE = minor_unity_loss
				DESC = clan_unity_blinding.desc
				REVERSE_NON_HOUSE_TARGET = no
			}
		}
		else = {
			add_clan_unity_interaction_effect = {
				CHARACTER = scope:puppet_or_actor
				TARGET = scope:recipient
				VALUE = medium_unity_loss
				DESC = clan_unity_blinding.desc
				REVERSE_NON_HOUSE_TARGET = no
			}
		}
	}
	scope:maim_face = {
		show_as_tooltip = {
			scope:recipient = {
				add_trait = disfigured
				release_from_prison = yes
			}
		}
		torture_blind_castrate_disfigure_opinion_effect = {
			VERB = disfigured
		}
		scope:puppet_or_actor = {
			clear_designated_heir = yes
			trigger_event = {
				id = prison.1030
				days = 1
			}
		}
		add_clan_unity_interaction_effect = {
			CHARACTER = scope:puppet_or_actor
			TARGET = scope:recipient
			VALUE = major_unity_loss
			DESC = clan_unity_maimed.desc
			REVERSE_NON_HOUSE_TARGET = no
		}
	}
	scope:maim_arm = {
		show_as_tooltip = {
			scope:recipient = {
				apply_maimed_trait_and_modifier_effect = yes
				release_from_prison = yes
			}
		}
		torture_blind_castrate_disfigure_opinion_effect = {
			VERB = maimed
		}
		scope:puppet_or_actor = {
			clear_designated_heir = yes
			save_scope_value_as = {
				name = maim_type
				value = flag:arm
			}
			trigger_event = {
				id = prison.1041
				days = 1
			}
		}
		add_clan_unity_interaction_effect = {
			CHARACTER = scope:puppet_or_actor
			TARGET = scope:recipient
			VALUE = major_unity_loss
			DESC = clan_unity_maimed.desc
			REVERSE_NON_HOUSE_TARGET = no
		}
	}
	scope:maim_leg = {
		show_as_tooltip = {
			scope:recipient = {
				add_trait = one_legged
				release_from_prison = yes
			}
		}
		torture_blind_castrate_disfigure_opinion_effect = {
			VERB = maimed
		}
		scope:puppet_or_actor = {
			clear_designated_heir = yes
			save_scope_value_as = {
				name = maim_type
				value = flag:leg
			}
			trigger_event = {
				id = prison.1041
				days = 1
			}
		}
		add_clan_unity_interaction_effect = {
			CHARACTER = scope:puppet_or_actor
			TARGET = scope:recipient
			VALUE = major_unity_loss
			DESC = clan_unity_maimed.desc
			REVERSE_NON_HOUSE_TARGET = no
		}
	}
	scope:banish = {
		scope:recipient = {
			if = {
				limit = {
					is_landed_or_landless_administrative_or_theocratic = yes
				}
				banish_effect = {
					BANISHER = scope:puppet_or_actor
				}
				if = {
					limit = {
						NOT = {
							scope:puppet_or_actor = {
								has_banish_reason = scope:recipient
							}
						}
					}
					scope:puppet_or_actor = {
						add_tyranny = banishment_tyranny_gain
					}
				}
			}
			else_if = {
				limit = {
					is_landless_adventurer = no
					is_pool_character = no
				}
				if = {
					limit = {
						gold > 0
						has_none_of_variables = {
							name = realm_priest
							name = was_bookmaker
						}
					}
					pay_short_term_gold = {
						target = scope:puppet_or_actor
						gold = scope:recipient.gold
					}
				}
				if = {
					limit = {
						has_any_artifact = yes
					}
					every_character_artifact = {
						limit = {
							NOT = {
								has_variable = artifact_prevent_transfer
							}
						}
						set_owner = {
							target = scope:puppet_or_actor
							history = {
								location = scope:recipien
# … (cut here; the rest is in the file)

As written in game/common/character_interactions/00_prison_interactions.txt.