create_artifact_pedestal_branch_relic_boog_effect

create_artifact_pedestal_branch_relic_boog_effect = {
	# Get the character the artifact is being made for.
	$OWNER$ = { save_scope_as = owner }
	set_artifact_rarity_illustrious = yes

	save_scope_value_as = {
		name = branch_name
		value = flag:somb
	}

	# Create the artifact
	create_artifact = {	
		name = artifact_pedestal_branch_name
		description = artifact_pedestal_branch_description
		type = pedestal
		template = branch_boog_template
		visuals = pedestal_branch_relic_boog
		wealth = scope:wealth
		quality = scope:quality
		history = {
			type = created_before_history
		}
		modifier = artifact_placeholder_modifier
		save_scope_as = newly_created_artifact
	}

	scope:newly_created_artifact = {
		set_variable = { name = historical_unique_artifact value = yes }
		set_variable = {
			name = relic_religion
			value = religion:west_african_roog_religion
		}
		add_scaled_artifact_modifier_piety_effect = yes
		add_scaled_artifact_modifier_grandeur_small_effect = yes
		if = {
			limit = {
				OR = {
					rarity = famed
					rarity = illustrious
				}
			}
			add_2_scaled_artifact_modifier_devotion_effect = yes
			
		}
		else = {
			add_scaled_artifact_modifier_devotion_effect = yes
		}
		add_artifact_modifier = artifact_monthly_prestige_penalty_modifier #overwrite default creation modifier
		save_scope_as = epic
	}
}

As written in game/common/scripted_effects/01_exp1_historical_artifacts_creation_effect.txt.