Toxic splash

You extend your hands and a puff of a neurotoxic gas emits from your palms.each creature in a 25ft cone must succeed on a Constitution saving throw. A creature takes 3d12 Poison damage on a failed save and is poisoned, or half as much damage on a successful one.

This spell's damage increases by 1d12 when you reach 5th level (4d12), 11th level (5d12), and 17th level (6d12).