Balcan's Stunning Bolt

A bolt of lightning streaks out from the caster toward a target you can see within range.  The target must make a Constitution saving throw.  On a failed save the target takes 4d12 lightning damage and is stunned until the end of your next turn.  On a successful save, target takes half damage and is not stunned.


For every level above 5th, increase the damage by 1d12.