What are the requirements for Purchase Sacred Land in CK3?

You: Is an Independent Ruler, Piety level at least 3, Does not have the Trait: Gallowsbait and Exiled. The character you target: Is at not War and Does not have a Strong Hook on you. (patch 1.20.1.2)

How do I get the AI to accept Purchase Sacred Land?

The AI weighs it. Its reasons: … Opinion of …, Number and Tier of purchased Titles -30, The target is within De Jure Duchy of my Capital -50, Development and Buildings of the target, The target is not my Culture (…) +20, The target is not my Faith (…) +10, Giving land of my Culture (…) to foreigner, Distance of … from my Capital, … Opinion of …, High Level of Devotion, The recipient is Zealous +40, High Level of Fame, You are married to a … noble +40, You are married to a member of … House +80, You speak the recipient's Language (…) +20, You do not speak the recipient's Language (…) -40, The recipient is in Debt, You have a positive Special Relation with the target +60, You have offered twice as much gold +80, You have a hook on the recipient's +160, You have offered a Hook on yourself +60 and You have offered increased Subject Obligations +80.

How much does Purchase Sacred Land cost?

250 Piety, Gold (from 400) (patch 1.20.1.2).

Interaction · Landless adventurer actions

Purchase Sacred Land

250Piety

from 400GoldRoads to PowerThe AI weighs it

Bargain your Piety and Gold for a County with a Temple Holding, to establish yourself as a Landed Ruler

What you need

You

To send it

Is an Independent Ruler
Piety level at least 3
Does not have the Trait: Gallowsbait
… must be of your Faith (⟨faith⟩)
… must hold a County with a Temple Holding, other than … Capital
… Capital is in range of their Camp.
Exiled

To see it in the menu

Your Government is Adventurer
The target is not you

The character you target

To send it

is_contact_of = scope:actor
Is at not War
Does not have a Strong Hook on you

To see it in the menu

Is landed
Government does not allow: noble families

Which title you can pick

Only Counties may be purchased
You cannot purchase a Ruler's Capital County
You cannot purchase a Ruler's Primary Title
The County must contain a Temple Holding
If
a check the game hides
Then
- scope:target.holder = scope:recipient

Purchase Sacred Land is a landless adventurer character interaction in Crusader Kings III. You need: Is an Independent Ruler, Piety level at least 3, Does not have the Trait: Gallowsbait and 1 more. The character you target needs: Is at not War and Does not have a Strong Hook on you. The AI weighs it. Reasons the AI weighs include Number and Tier of purchased Titles (-30), The target is within De Jure Duchy of my Capital (-50), The target is not my Culture (…) (+20) and 11 more. It costs 250 Piety, Gold (from 400). It needs Roads to Power. Patch 1.20.1.2, from game/common/character_interactions/06_ep3_laamp_interactions.txt.

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Quick answers (3)

What are the requirements for Purchase Sacred Land in CK3?: You: Is an Independent Ruler, Piety level at least 3, Does not have the Trait: Gallowsbait and Exiled. The character you target: Is at not War and Does not have a Strong Hook on you. (patch 1.20.1.2)
How do I get the AI to accept Purchase Sacred Land?: The AI weighs it. Its reasons: … Opinion of …, Number and Tier of purchased Titles -30, The target is within De Jure Duchy of my Capital -50, Development and Buildings of the target, The target is not my Culture (…) +20, The target is not my Faith (…) +10, Giving land of my Culture (…) to foreigner, Distance of … from my Capital, … Opinion of …, High Level of Devotion, The recipient is Zealous +40, High Level of Fame, You are married to a … noble +40, You are married to a member of … House +80, You speak the recipient's Language (…) +20, You do not speak the recipient's Language (…) -40, The recipient is in Debt, You have a positive Special Relation with the target +60, You have offered twice as much gold +80, You have a hook on the recipient's +160, You have offered a Hook on yourself +60 and You have offered increased Subject Obligations +80.
How much does Purchase Sacred Land cost?: 250 Piety, Gold (from 400) (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	0
… Opinion of …	varies
Number and Tier of purchased Titles	-30
The target is within De Jure Duchy of my Capital when `scope:target.duchy ?= scope:recipient.capital_county.duchy`	-50
Development and Buildings of the target	varies
The target is not my Culture (…) when The target’s culture is not the target’s	+20
The target is not my Faith (…) when The target’s faith is not the target’s	+10
Giving land of my Culture (…) to foreigner when Your culture is not the target’s The target’s culture is the target’s The target’s culture: `save_temporary_scope_value_as = { … }`	varies
Distance of … from my Capital when The target’s capital county: `save_temporary_scope_value_as = { name = distance value = squared_distance(scope:distance_target) }`	varies
… Opinion of … when `NOT = { scope:target.holder ?= scope:recipient }`	varies
High Level of Devotion	your piety level × 20
The recipient is Zealous when The character you target: Has the Trait: Zealous	+40
High Level of Fame when `root.prestige_level >= 4`	your prestige level × 20
You are married to a … noble when Your culture is not the target’s The target’s culture is the target’s Your spouse: Their culture is the same as that of recipient Their dynasty: Level of Splendor at least 2	+40
You are married to a member of … House when Your spouse: Is of the same house as the target	+80
You speak the recipient's Language (…) when The target’s culture is the target’s `knows_language_of_culture = scope:recipient.culture` Your culture is the same as that of recipient	+20
You do not speak the recipient's Language (…) when `NOT = { knows_language_of_culture = scope:recipient.culture }` Your culture is not the same as that of recipient	-40
The recipient is in Debt when The character you target: One of these Debt level more than 0 or Treasury debt level more than 0	varies
You have a positive Special Relation with the target when One of these Has the target as lover or Has the target as friend	+60
You have offered twice as much gold when The option “offer gold” is chosen	+80
You have a hook on the recipient's when You use a Hook	+160
You have offered a Hook on yourself when The option “offer hook” is chosen	+60
You have offered increased Subject Obligations when The option “vassal obligation” is chosen	+80

Acceptance (ai_accept) (217 lines of game script)

base = 0
opinion_modifier = {
	who = scope:recipient
	opinion_target = scope:actor
	multiplier = 1
	desc = AI_OPINION_REASON
}
modifier = {
	add = -30
	desc = PURCHASE_LAND_NUM_TITLES_REASON
}
modifier = {
	add = -50
	desc = PURCHASE_LAND_DE_JURE_DUCHY_REASON
	scope:target.duchy ?= scope:recipient.capital_county.duchy
}
modifier = {
	add = {
		value = 0
		if = {
			limit = {
				exists = scope:target
			}
			add = scope:target.development_level
			scope:target = {
				every_county_province = {
					add = num_buildings
				}
			}
		}
		multiply = -2
	}
	desc = PURCHASE_LAND_VALUE_REASON
}
modifier = {
	add = 20
	desc = PURCHASE_LAND_FOREIGN_CULTURE_REASON
	scope:target.culture != scope:recipient.culture
}
modifier = {
	add = 10
	desc = PURCHASE_LAND_DIFFERENT_FAITH_REASON
	scope:target.faith != scope:recipient.faith
}
modifier = {
	add = {
		value = -40
		if = {
			limit = {
				scope:acceptance != 0
			}
			divide = scope:acceptance
		}
		multiply = 2
		min = -200
	}
	desc = PURCHASE_LAND_MY_CULTURE_REASON
	scope:actor.culture != scope:recipient.culture
	scope:target.culture = scope:recipient.culture
	scope:recipient.culture = {
		save_temporary_scope_value_as = {
			name = acceptance
			value = {
				value = cultural_acceptance(scope:actor.culture)
				divide = 25
				ceiling = yes
			}
		}
	}
}
modifier = {
	add = {
		value = 0
		add = scope:distance
		divide = scope:recipient.highest_held_title_tier
		if = {
			limit = {
				scope:distance <= squared_distance_medium
			}
			multiply = -0.01
		}
		else = {
			multiply = 0.0005
		}
		min = -25
		max = 50
	}
	desc = PURCHASE_LAND_DISTANCE_REASON
	scope:target = {
		save_temporary_scope_as = distance_target
	}
	scope:recipient.capital_county = {
		save_temporary_scope_value_as = {
			name = distance
			value = squared_distance(scope:distance_target)
		}
	}
}
opinion_modifier = {
	trigger = {
		NOT = {
			scope:target.holder ?= scope:recipient
		}
	}
	who = scope:recipient
	opinion_target = scope:target.holder
	multiplier = -1
	desc = AI_OPINION_REASON
}
modifier = {
	add = {
		value = scope:actor.piety_level
		multiply = 20
	}
	desc = PURCHASE_SACRED_LAND_PIETY_LEVEL_REASON
}
modifier = {
	add = 40
	scope:recipient = {
		has_trait = zealous
	}
	desc = ASK_FOR_CONVERSION_RECIPIENT_IS_ZEALOUS
}
modifier = {
	add = {
		value = scope:actor.prestige_level
		multiply = 20
	}
	scope:actor.prestige_level >= 4
	desc = PURCHASE_LAND_PRESTIGE_LEVEL_REASON
}
modifier = {
	add = 40
	trigger = {
		scope:actor.culture != scope:recipient.culture
		scope:target.culture = scope:recipient.culture
	}
	scope:actor.primary_spouse ?= {
		culture = scope:recipient.culture
		dynasty ?= {
			dynasty_prestige_level >= 2
		}
	}
	desc = PURCHASE_LAND_MARRIED_TO_CULTURE_NOBLE_REASON
}
modifier = {
	add = 80
	scope:actor.primary_spouse ?= {
		house ?= scope:recipient.house
	}
	desc = PURCHASE_LAND_MARRIED_TO_HOUSE_REASON
}
modifier = {
	add = 20
	trigger = {
		scope:target.culture = scope:recipient.culture
	}
	scope:actor = {
		knows_language_of_culture = scope:recipient.culture
		culture != scope:recipient.culture
	}
	desc = PURCHASE_LAND_SPEAKS_LANGUAGE_REASON
}
modifier = {
	add = -40
	scope:actor = {
		NOT = {
			knows_language_of_culture = scope:recipient.culture
			culture = scope:recipient.culture
		}
	}
	desc = PURCHASE_LAND_DOES_NOT_SPEAK_LANGUAGE_REASON
}
modifier = {
	add = {
		value = 40
		multiply = scope:recipient.debt_level
	}
	trigger = {
		scope:recipient = {
			OR = {
				debt_level > 0
				treasury_debt_level > 0
			}
		}
	}
	desc = PURCHASE_LAND_IS_IN_DEBT_REASON
}
modifier = {
	add = 60
	scope:actor = {
		has_any_moderate_good_relationship_with_character_trigger = {
			CHARACTER = scope:recipient
		}
	}
	desc = PURCHASE_LAND_RELATIONSHIP_REASON
}
modifier = {
	add = 80
	scope:offer_gold = yes
	desc = PURCHASE_LAND_DOUBLE_GOLD_REASON
}
modifier = {
	add = 160
	scope:hook = yes
	desc = YOU_HAVE_HOOK_REASON
}
modifier = {
	add = 60
	scope:offer_hook = yes
	desc = PURCHASE_LAND_OFFER_HOOK_REASON
}
modifier = {
	add = 80
	scope:vassal_obligation = yes
	desc = PURCHASE_LAND_OBLIGATIONS_REASON
}

As written in game/common/character_interactions/06_ep3_laamp_interactions.txt.

What happens

If they accept

You:
- You: Pay gold to the target
- You:
  - If
    character:90028 ?= this
    Then
    This will end your opposition to Normans and participation in the Harrying of the North!
- You › Otherwise › The new primary title:
  - change_title_holder_include_vassals = { holder = scope:actor change = scope:title_change take_baronies = no }
- If
  NOT = { scope:ascended_throne_value = flag:purchased }
  Then
  The new primary title › Every de jure county:
  Where:
  If
  a check the game hides
  Then
  holder.top_liege ?= scope:defender.top_liege
  If
  a check the game hides
  Then
  holder.top_liege ?= scope:new_liege.top_liege
  change_title_holder_include_vassals = { holder = scope:actor change = scope:title_change take_baronies = no }
- Every in list:
  - Only some of them (the filter is in the script below)
  - change_title_holder_include_vassals = { holder = scope:actor change = scope:title_change take_baronies = no }

If they refuse

Event ep3_laamps.0102

Options when sending

Pay DoubleOffer the recipient twice as much for the target
Use a Hook
Offer a Hook on yourselfThe recipient will have a hook on you to use as they pleases.
Offer increased Subject ObligationsYour Vassal Contract will gain Extortionate Taxes and Massive Levy Contribution

Events it fires: ep3_laamps.0102

• 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 = government_has_flag = government_is_landless_adventurer
is_shown = has_ep3_dlc_trigger = yes
scope:recipient = {
	is_landed = yes
	NOT = {
		government_allows = noble_families
	}
}
scope:recipient != scope:actor

As written in game/common/character_interactions/06_ep3_laamp_interactions.txt.

Can be sent when (is_valid…) (93 lines of game script)

scope:actor = {
	top_liege = this
	piety_level >= 3
	NOT = {
		has_trait = gallowsbait
	}
}
scope:recipient = {
	is_contact_of = scope:actor
	is_at_war = no
	NOT = {
		has_strong_hook = scope:actor
	}
}
custom_tooltip = {
	text = purchase_sacred_land_same_faith_tt
	scope:recipient = {
		faith = scope:actor.faith
	}
}
trigger_if = {
	limit = {
		scope:target ?= {
			is_head_of_faith = yes
		}
	}
	custom_description = {
		text = purchase_land_religious_tt
		always = no
	}
}
trigger_if = {
	limit = {
		scope:target ?= {
			is_noble_family_title = yes
		}
	}
	custom_description = {
		text = purchase_land_noble_family_tt
		always = no
	}
}
trigger_if = {
	limit = {
		scope:target ?= {
			has_variable = adventurer_creation_reason
		}
	}
	custom_description = {
		text = purchase_land_landless_adventurer_tt
		always = no
	}
}
trigger_if = {
	limit = {
		scope:recipient = {
			any_held_county = {
				count < 2
			}
		}
	}
	custom_description = {
		text = purchase_land_minimum_county_tt
		object = scope:recipient
		always = no
	}
}
custom_tooltip = {
	text = purchase_sacred_land_no_valid_title_tt
	scope:recipient = {
		any_held_county = {
			NOT = {
				this = scope:recipient.capital_county
			}
			any_county_province = {
				holding_is_church = yes
			}
		}
	}
}
ep3_laamp_diplo_range_trigger = {
	TARGET = scope:recipient
	LAAMP = scope:actor
}
custom_tooltip = {
	text = the_wake_1
	NOT = {
		is_laamp_exiled_from_province_trigger = {
			PROVINCE = scope:recipient.capital_province
			LAAMP = scope:actor
		}
	}
}

As written in game/common/character_interactions/06_ep3_laamp_interactions.txt.

Effects (on_send, on_accept, on_decline) (93 lines of game script)

on_accept = scope:actor = {
	save_scope_as = adventurer
}
scope:target = {
	save_scope_as = purchase_land_target
	add_to_list = purchased_titles
}
ordered_in_list = {
	list = purchased_titles
	order_by = tier
	save_scope_as = new_primary_title
}
save_scope_value_as = {
	name = purchase_land_cost
	value = {
		value = purchase_land_county_cost_value
		multiply = 0.5
		if = {
			limit = {
				scope:actor = {
					has_variable = ep3_grace_to_the_family_var
				}
			}
			multiply = 0.5
		}
		if = {
			limit = {
				scope:offer_gold = yes
			}
			multiply = 2
		}
	}
}
save_scope_value_as = {
	name = purchase_land_legitimacy_cost
	value = {
		value = 0
		if = {
			limit = {
				scope:target.holder != scope:recipient
			}
			every_in_list = {
				list = purchased_titles
				add = minor_legitimacy_loss
			}
		}
	}
}
show_as_tooltip = {
	scope:actor = {
		purchase_land_interaction_effect = yes
	}
}
scope:actor = {
	if = {
		limit = {
			faith.faith_theocratic_goverment_type = government_type:ecclesiastical_government
		}
		custom_tooltip = purchase_sacred_land_ecclesiastical_tt
	}
	else = {
		custom_tooltip = purchase_sacred_land_theocracy_tt
	}
}
if = {
	limit = {
		always = scope:hook
		scope:actor = {
			has_usable_hook = scope:recipient
		}
	}
	scope:actor = {
		use_hook = scope:recipient
	}
}
hidden_effect = {
	scope:actor = {
		add_gold = scope:purchase_land_cost
	}
}
scope:actor = {
	trigger_event = ep3_laamps.0100
}
scope:actor = {
	trigger_event = {
		id = ep3_laamps.0103
		days = 0
	}
}
on_decline = scope:actor = {
	save_scope_as = adventurer
	trigger_event = ep3_laamps.0102
}

As written in game/common/character_interactions/06_ep3_laamp_interactions.txt.

Category: Landless adventurer actions
Cost: Piety: 250
Cost: Gold: from 400
Again on the same character: after 10 years
DLC: Roads to Power
In the menu: under More…
ID: purchase_sacred_land_interaction

Source: game/common/character_interactions/06_ep3_laamp_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.