Crackling Fingers

A beam of crackling, purple lightning come out of the casters hand and fly towards the target. Make a ranged spell attack against that creature. On a hit, the target takes 4d4 lightning damage and the enemy cant take reactions until it's next turn, when the target wears metallic armor the damage increases to 6d4 lightning damage.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 2d4 for each slot level above 1rd.