Anthony’s Scream of Terrifying Agony

You create a scream so loud and so terrifyingly agonizing that it results in everybody in range of 150 feet of you must make a Constitution DC saving throw. On a failed save, the target takes 6d4 thunder damage and 1d4 necrotic damage. The target is also knocked prone on a failed save. On a successful save the target takes half as much damage of the 6d4 with no necrotic damage involved. The target remains standing on a successful save.