Tasha's Caustic Brew (uma)

Effect: A stream of corrosive energy erupts in a 30-foot line, 5 feet wide. Each creature in the line must succeed on a Dexterity saving throw or take: 2d4 damage at the start of each of its turns

Uma Damage Type When you cast this spell, choose:

Acid or Lightning

The damage type remains the same for the duration.

Uma Self-Cast Bonus

If you cast this spell and you are within 5 feet of the line’s origin: Add your Intelligence modifier to the damage dealt on the first round

Instability Check

At the end of the first round, roll 1d6: On a 1, your concentration check to maintain the spell is made at disadvantage

(Field testing encouraged. Protective eyewear optional.)