mpo_gok_civilian_slaughter_totalling_effect

mpo_gok_civilian_slaughter_totalling_effect = {
	every_in_list = {
		list = devastation_area
		if = {
			limit = {
				this = holder.capital_county
			}
			holder = {
				if = {
					limit = {
						NOR = {
							this = scope:defender
							is_ai = no
						}
					}
					add_to_list = potential_victims
				}
				every_courtier_or_guest = {
					add_to_list = potential_victims
				}
			}
			#Local pool characters
			every_pool_character = {
				province = prev.holder.capital_province
				add_to_list = potential_victims
			}
		}
	}
	scope:defender = {
		#ai landless house heads in the capital
		every_vassal = {
			limit = {
				is_ai = yes
				is_landless_administrative = yes
				domicile ?= {
					domicile_location.county = {
						this = scope:defender.capital_county
					}
				}
			}
			add_to_list = potential_victims
		}
		#Courtiers of landless house heads in the capital
		every_vassal = {
			limit = {
				is_landless_administrative = yes
				domicile ?= {
					domicile_location.county = {
						this = scope:defender.capital_county
					}
				}
			}
			every_courtier_or_guest = {
				add_to_list = potential_victims
			}
		}
	}
	ordered_in_list = {
		order_by = {
			value = 1
			#I suppose they would probably try to avoid killing their own
			if = {
				limit = {
					NOT = {
						faith = scope:attacker.faith
					}
				}
				add = 1
			}
			if = {
				limit = {
					NOT = {
						culture = scope:attacker.culture
					}
				}
				add = 1
			}
		}
		list = potential_victims
		max = {
			value = "list_size(potential_victims)"
			divide = 2
		}
		add_to_list = gok_slaughter_victims
	}
}

As written in game/common/scripted_effects/09_mpo_greatest_of_khans_effects.txt.