Concussion Grenade

A pulsing orb launches from your raised hand to a point you choose within range and then erupts with a roar of thunder. Each creature in a 20-foot-radius sphere centered on that point must make a Dexterity saving throw. Each target takes 8d6 thunder damage on a failed save, or half as much damage on a successful one.

The rolling thunder spreads around corners, knocking over objects in the area that aren't being worn or carried.

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.