Excellence's Electroshock

Choose a humanoid that you can see within range. The target must make a WIsdom saving throw, on a failure the target takes 3d6 lightning damage and is paralyzed for the duration. At the beginning of your turn the target creature takes 2d6 lightning damage. At the end of each of its turns, the target can make another Wisdom saving throw. On a success, the spell ends on the target.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the damage the creature takes at the beginning of its turn is increased by 1d6 for each slot level above 4th.