Terra blast

Energy gets absorbed through your arms and then fire out of your shoulders 2 shots of brownish orange energy that are in sync with each other and explode upon impact. Each creature in a 10-foot-radius sphere centered on that point must make a Dexterity saving throw. A target takes 4d6 bludgeoning damage is knocked prone on a failed save, or half as much damage on a successful one.

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.