Ammonia spray

blow on the component and uter the incantation. Pointing the component at a designated target area. The component instantly transmutes into a 20 feet cube of ammonia vapour. All targets in the area must make a dex save or be coated in the spray. If failed they take 1d6 poison damage, if an open flame enters the cube or touches a coated target within 3 turns of the casting, the cloud or coated target bursts into flames taking 3d6 fire damage.