What are the requirements for Acknowledge Bloc Leadership in CK3?

Interaction · Diplomatic actions

Acknowledge Bloc Leadership

No costThe AI weighs it

Accept another House as leader of the the recipient's Bloc

What you need

You

To send it

Is at not War
… must be House Head of a Noble Family Challenge your House Head for leadership, or use the Create Cadet Branch Decision
The Leading House of this Bloc has changed in the last 5 years, available again on …
Lieges cannot grant House Bloc Leadership to their Vassals or below

To see it in the menu

Is a ruler
Your Government uses Blocs
Your top liege: Government uses Blocs
Highest held Title is at least County Rank
Your top liege:
- Government uses Blocs
- Their top liege: Government uses Blocs
house.house_confederation.leading_house ?= house
house.house_head ?= this

The character you target

To send it

Is at not War
… must be House Head of a Noble Family Challenge your House Head for leadership, or use the Create Cadet Branch Decision

To see it in the menu

house.house_confederation ?= scope:actor.house.house_confederation
Is not of the same house as you

Acknowledge Bloc Leadership is a diplomatic character interaction in Crusader Kings III. You need: Is at not War, The Leading House of this Bloc has changed in the last 5 years, available again on … and Lieges cannot grant House Bloc Leadership to their Vassals or below. The character you target needs: Is at not War. The AI weighs it. Patch 1.20.1.2, from game/common/character_interactions/10_tgp_japan_interactions.txt.

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Quick answers (1)

What are the requirements for Acknowledge Bloc Leadership in CK3?: You: Is at not War, The Leading House of this Bloc has changed in the last 5 years, available again on … and Lieges cannot grant House Bloc Leadership to their Vassals or below. The character you target: Is at not War. (patch 1.20.1.2)

Will they accept?

The AI adds these up and accepts above zero. Reasons in italics are the script's, with no label in the game.

Reason	Amount
Base	+25
A scripted reason when Has the Trait: Content	-25
A scripted reason when Has the Trait: Generous	-25
A scripted reason when Has the Trait: Ambitious	+25
A scripted reason when Has the Trait: Greedy	+25
A scripted reason when You are a member of a Confederation The character you target: Is a member of a Confederation	varies

Acceptance (ai_accept) (33 lines of game script)

base = 25
modifier = {
	has_trait = content
	add = -25
}
modifier = {
	has_trait = generous
	add = -25
}
modifier = {
	has_trait = ambitious
	add = 25
}
modifier = {
	has_trait = greedy
	add = 25
}
modifier = {
	scope:actor = {
		is_confederation_member = yes
	}
	scope:recipient = {
		is_confederation_member = yes
	}
	add = {
		value = scope:recipient.confederation.combined_military_strength
		add = {
			value = scope:actor.confederation.combined_military_strength
			multiply = -1
		}
		multiply = 100
	}
}

As written in game/common/character_interactions/10_tgp_japan_interactions.txt.

What happens

If they accept

Your house:
- If
  a check the game hides
  Then
  impact_house_relation = { target = scope:other_house steps = scope:steps description = house_relation_reason_granted_bloc_leadership_desc }
house.house_confederation = { … }

• the game's own tooltip text · ◦ our reading of the script line · code the script where neither exists

Who can use it and sees it (is_available, is_shown) (9 lines of game script)

is_available = tgp_house_bloc_interaction_valid_trigger = yes
house.house_confederation.leading_house ?= house
house.house_head ?= this
is_shown = scope:recipient = {
	house.house_confederation ?= scope:actor.house.house_confederation
	NOT = {
		house ?= scope:actor.house
	}
}

As written in game/common/character_interactions/10_tgp_japan_interactions.txt.

Can be sent when (is_valid…) (22 lines of game script)

scope:actor = {
	is_at_war = no
	tgp_house_bloc_interaction_valid_showing_failures_trigger = yes
	custom_tooltip = {
		text = assume_house_bloc_recent_leader_change_tt
		NOT = {
			house.house_confederation ?= {
				has_variable = recent_leader_change
			}
		}
	}
	custom_tooltip = {
		text = grant_house_bloc_leadership_liege_tt
		NOT = {
			is_liege_or_above_of = scope:recipient
		}
	}
}
scope:recipient = {
	is_at_war = no
	tgp_house_bloc_interaction_valid_showing_failures_trigger = yes
}

As written in game/common/character_interactions/10_tgp_japan_interactions.txt.

Effects (on_send, on_accept, on_decline) (17 lines of game script)

on_accept = scope:actor = {
	house = {
		change_house_relation_effect = {
			HOUSE = scope:recipient.house
			VALUE = house_relation_improve_medium_value
			REASON = granted_bloc_leadership
			CHAR = scope:actor
			TARGET_CHAR = scope:recipient
			TITLE = scope:dummy_gender
		}
	}
	house.house_confederation = {
		tgp_set_house_bloc_leading_house_effect = {
			LEADER = scope:recipient.house
		}
	}
}

As written in game/common/character_interactions/10_tgp_japan_interactions.txt.

Category: Diplomatic actions
Cooldown: 6 months
In the menu: main list
ID: grant_house_bloc_leadership_interaction

Source: game/common/character_interactions/10_tgp_japan_interactions.txt and the English localisation, Crusader Kings III 1.20.1.2. “You” is the character who sends it (scope:actor, or a puppet acting for you); “the character you target” is the recipient.