tgp_destroy_ceremonial_liege_title_effect

tgp_destroy_ceremonial_liege_title_effect = {
	save_scope_as = ceremonial_liege
	random_held_title = {
		limit = { exists = var:ceremonial_title }
		save_scope_as = ceremonial_title
		var:ceremonial_title = { save_scope_as = regent_title }
	}
	random_held_title = {
		limit = { is_noble_family_title = yes }
		save_scope_as = nf_title
	}
	# Destroy the Ceremonial Title if linked title has no holder, or is in another realm, or is a sub vassal
	if = {
		limit = {
			exists = scope:ceremonial_title
			exists = scope:regent_title
			OR = {
				# Linked regent title has no holder
				NOT = { exists = scope:ceremonial_title.var:ceremonial_title.holder }
				scope:ceremonial_title.holder.top_liege = {
					OR = {
						# Regent and Ceremonial titles in different realms
						this != scope:ceremonial_title.var:ceremonial_title.holder.top_liege
						# Regent title is not top liege's primary title
						primary_title != scope:ceremonial_title.var:ceremonial_title
						# Regent is not liege of Monarch
						this != scope:ceremonial_title.holder.liege
						# Hegemony
						highest_held_title_tier = tier_hegemony
					}
				}
			}
		}
		# MESSAGE
		every_player = {
			limit = { top_liege = scope:ceremonial_liege.top_liege }
			send_interface_message = {
				type = event_generic_bad
				title = tgp_destroy_ceremonial_liege_throne_title
				left_icon = scope:ceremonial_liege
				right_icon = scope:liege
				show_as_tooltip = {
					scope:liege = { destroy_title = scope:ceremonial_title }
					scope:ceremonial_liege = {
						if = {
							limit = { is_independent_ruler = no }
							add_trait = former_emperor
						}
					}
				}
			}
		}
		# Actually destroy
		scope:ceremonial_liege = {
			if = {
				limit = { has_treasury = yes }
				custom_tooltip = {
					text = treasury_emptying_effect_desc
					empty_treasury_when_abandoning_landed_life_effect = yes # otherwise the treasury sticks around
				}
			}
			if = {
				limit = { is_independent_ruler = no }
				add_trait = former_emperor
			}
		}
		scope:ceremonial_title = { remove_variable = ceremonial_title }
		scope:regent_title = { remove_variable = administrative_ui_special_title }
		scope:liege = { destroy_title = scope:ceremonial_title }
	}
}

As written in game/common/scripted_effects/10_dlc_tgp_japan_scripted_effects.txt.