Boom Burst

You play a loud and abrupt noise, magically amplifying and fabricating sound. All creatures within 40ft of you must make a Constitution Saving Throw. Taking 8d6 Thunder damage on a failed save and cause creatures to be deafened. Creatures take half damage on a successful save and are unaffected.

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.