From Pathfinder Lost Omens Firebrands, which isn't enabled.

Firework Blast

SPELL 3

Traditions arcane

Cast

Range 500 feet

Area 20-foot burst

Defense basic Reflex

You create a massive display of loud and colorful explosions. The explosions deal 4d6 fire damage. Creatures that fail their saves must attempt an additional Fortitude save. Creatures that critically fail their saves take a -2 circumstance penalty to this Fortitude save.

Success The creature is unaffected.

Failure The creature is Blinded and Deafened for 1 round.

Critical Failure The creature is blinded for 1 round and Dazzled and deafened for 1 minute.

Heightened (+1) The damage increases by 2d6.

Pathfinder Lost Omens FirebrandsOGL