add_tier_four_perfume_effect

add_tier_four_perfume_effect = {
	random_list = {
		pick = 1
		unique = yes

		1 = {
			add_artifact_modifier = artifact_monthly_minor_prestige_4_modifier
		}
		1 = {
			add_artifact_modifier = artifact_dynasty_opinion_2_modifier
		}
		1 = {
			add_artifact_modifier = artifact_monthly_dynasty_prestige_2_modifier
		}
		1 = {
			add_artifact_modifier = artifact_monthly_prestige_gain_per_happy_powerful_vassal_add_4_modifier
		}
		1 = {
			add_artifact_modifier = artifact_courtier_and_guest_opinion_4_modifier
		}
		1 = {
			add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_4_modifier
		}
		1 = {
			add_artifact_modifier = artifact_seduce_scheme_phase_duration_add_2_modifier
		}
		1 = {
			add_artifact_modifier = artifact_courting_scheme_phase_duration_add_2_modifier
		}
		1 = {
			add_artifact_modifier = artifact_spouse_opinion_add_2_modifier
		}
		1 = {
			add_artifact_modifier = artifact_stress_gain_2_modifier
		}
		1 = {
			add_artifact_modifier = artifact_negate_health_penalty_add_2_modifier
		}
	}
}

As written in game/common/scripted_effects/00_bp1_artifact_creation_effects.txt.