Concussive Burst

 A pulse of energy tears ripples through the air, dealing minor damage over a wide area. choose a point within range, each creature within a 20-foot-radius sphere centered on that point must make a Constitution saving throw. On a failed save, a creature take 2d4 force damage and is deafened until the end of your next turn. On a successful save, a creature takes only half damage and isn't deafened.

Using a Higher-Level Spell Slot. The damage increases by 2d4 for each spell slot level above 1.