silent_disappearance_ai_if_created_effect

silent_disappearance_ai_if_created_effect = {
	hidden_effect = {
		if = {
			limit = {
				is_alive = yes
				has_character_flag = created
			}
			if = {
				limit = {
					root = { is_ai = yes }
					is_ruler = no	# prevent kill created characters if they become ruler during event chain
				}
				death = {
					death_reason = death_disappearance
				}
			}
			else = {
				remove_character_flag = created
			}
		}
	}
}

As written in game/common/scripted_effects/00_death_management_effects.txt.