Blinding Foam

You spray a colorful, caustic foam into the target's eyes, which clings to their face. Make a spell attack roll. If you hit, you deal 5d10 acid damage and 1d6 persistent acid damage, and the target is Blinded for the duration. The foam can be removed with 3 Interact actions, which ends the persistent acid damage. These Interact actions don't need to be consecutive. When the target's persistent acid damage ends, the spell automatically ends. Heightened (8th) The initial damage increases to 9d10, and the persistent acid damage increases to 2d6.