El Fula

You harness the wind around you. force it to vibrate at a high frequency, and unleash it at high speeds at an area within 80ft that you can see. Any enemies within a 10ft radius must make a dexterity save, or take 6d6 slashing damage and fall prone. The take half as much damage, but still fall prone on a successful save. This spell does an additional 2d6 slashing per level above 3rd.