Death Whistle

A high pitched whistle traviling 100 feet blasts of psychic distortion out from you in a direction you choose. Each creature in the line must make a Wisdom saving throw. A creature takes 8d6 physic damage on a failed save, or half as much damage on a successful one.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d6 for each slot level above 3rd.