Electrocution

Electricity pours into one creature you can see within range. The target must make a Dexterity saving throw. It takes 8d6 lightning damage on a failed save, or half as much damage on a successful one. On a failed save, the target also electrocutes for the spell’s duration.  At the end of each of its turns, the target repeats the saving throw. It takes 2d6 lightning damage on a failed save, and the spell ends on a successful one. On a failed save, after the spell ends, the creature is stunned for 1 round.