Plague Wind

Summon a roiling wind of blood-boiling fumes, rot-sting, and venomous vapor in a 120-ft. cone. Creatures of your choice in the area must make a CON save, taking 8d8 poison damage and 8d8 necrotic damage on a failed save, or half on a success. A creature reduced to 0 hit points by this damage is poisoned and stable instead of dead if you choose.