As an action, you clap your hands together to create a burst of thunderous sound that can be heard up to 36 meters away. Each creature within 1.5 meters of you must make a Fortitude saving throw.
On a failed save, a creature takes 1d6 concussion damage.
At higher levels
This spell’s damage increases by 1d6 when you reach 9th level (2d6) and 17th level (3d6).