You drink a potion of wyvern venom and spray it out in front of you. Each creature in a 15ft cone can choose to make a Dex saving throw or Con saving throw. Use your spell save DC for the Con saving throw and double your proficiency bonus when determining the DC for the Dex saving throw.

A creature who chooses a Con saving throw takes 6d6 poison damage on a failure, or half as much on a success. A creature who chooses a Dex saving throw takes 9d6 poison damage on a failure, or no damage on a success.

At Higher Levels. When you cast this spell using a spell slot of 5th or higher, you can increase the damage on this spell by 1d6 for every level above 4th.