From Pathfinder Lost Omens Divine Mysteries, which isn't enabled.

Acid Storm

SPELL 5

ACID CONCENTRATE MANIPULATE

Traditions arcane, primal

Cast

Range 120 feet

Area 20-foot-radius burst

Defense basic Reflex

Duration 1 minute

You evoke a storm of acid rain that pelts the area for the spell's duration. A creature that begins its turn in the area takes 3d8 acid damage (basic Reflex save).

Heightened (+2) The damage increases by 1d8.

Pathfinder Lost Omens Divine MysteriesORC