Tesla Orb

A shocking orb of lightning is launched out of your palm. Choose a spot that you can see within range, the as the orb travels to the target, if any creature is within 5ft. they must make a Spell-Save DC Dex save. On a failure the creature takes 7(2d4) lightning damage. When the orb reaches the target location, it explodes, making all creatures with 5 feet make a Spell-Save DC Dex save. On a failure, the creature takes (6d6+Mod) lightning damage. On a successful save, the creature takes half damage.