Discharge Lightning

You discharge electricity in a 30 ft. sphere centered on yourself. This spell affects all targets within the radius

A target must make a Dexterity saving throw. The target takes 5d10 lightning damage 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 6th level or higher, the target takes an additional 1d10 damage.