Electric Blast

As you stretch out your fingers and chant the incantation, you feel static energy build between your hands. A spark of electric blue leaps forth, arcing toward a point you choose within range. Suddenly, it explodes with a deafening crack, discharging a violent burst of electrical energy.

Each creature in a 20-foot-radius sphere centered on that point must make a Dexterity saving throw. A target takes 8d6 lightning damage on a failed save, or half as much damage on a successful one. The explosive electric discharge emits a thunderous boom audible out to 300 feet.

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.