Acrid Shower

A torrent of acrid fluid sprays from your finger as you point at an area in front of you, dousing everything within. Each creature in a 15-foot Cone must make a Dexterity saving throw. On a failure, the creature takes 4d6 Poison damage and has disadvantage on Charisma ability checks until it cleans itself. On a success, the creature takes half as much damage only.

Using a Higher-Level Spell Slot. The damage increases by 1d6 for every spell slot level above 2. If cast with a spell slot level of 5+, the range increases to a 30-foot Cone.