M-U 2 or Illusionist 3rd level spell.
4” range, Instantaneous, 1/2” radius of effect, VSM, 1 segment to cast, 1/2 damage if make save roll. Material is a small ball of bat guano and sulphur. Victim suffers second degree burns and takes 2d6 hp damage / 3 levels of the caster. Victim must also save vs. magic or be blinded for 2d4 rounds. 2d6 at 3rd; 4d6 at 6th; 6d6 at 9th; 8d6 at 12.