fp3_challenge_house_head_duel_challenger_loss_effect

fp3_challenge_house_head_duel_challenger_loss_effect = {
	scope:house_challenger = {
		if = {
			limit = { is_alive = yes }
			add_prestige = medium_prestige_loss
		}
	}
	scope:house_head = {
		add_prestige = medium_piety_value
		if = {
			limit = {
				scope:house_challenger = { is_alive = yes }
			}
			add_hook_no_toast = {
				type = trial_by_combat_hook
				target = scope:house_challenger
			}
		}
		custom_tooltip = {
			text = fp3_challenge_house_head_recent_cooldown_tt
			add_character_flag = {
				flag = fp3_challenge_house_head_recent_flag
				years = 3
			}
		}
	}
}

As written in game/common/scripted_effects/05_dlc_fp3_scripted_effects.txt.