legend_ending_rewards_mythical_holy_effect

legend_ending_rewards_mythical_holy_effect = {
	add_legitimacy = massive_legitimacy_gain
	# Chance to become a Herald
	if = {
		limit = {
			dynasty ?= {
				ce1_heroic_track_perks >= 3
			}
		}
		add_trait = herald
		if = {
			limit = { NOT = { has_global_variable = num_of_saints_var } }
			set_global_variable = {
				name = num_of_saints_var
				value = 1
			}
		}
		else = {
			change_global_variable = {
				name = num_of_saints_var
				add = 1
			}
		}
		if = {
			limit = { is_ai = no }
			add_achievement_global_variable_effect = {
				VARIABLE = ce1_canonized_achievement_unlocked
				VALUE = yes
			}
		}
	}
	if = {
		limit = { exists = promoted_legend }
		set_variable = finished_mythical_legend_var
		set_variable = finished_holy_legend_var
	}
}

As written in game/common/scripted_effects/06_dlc_ce1_legend_effects.txt.