Acid Rain

You call upon the aid of a cloud spirit which throws acid from the sky down upon your enemy. Make an attack roll, on a success the target takes 1d6 acid damage. Each creature within 5ft of the target must make a dexterity saving throw or take half of the initial target's damage (rounded up). On a successful save the peripheral targets takes no damage.

At Higher Levels. This spell’s damage to the initial target increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).