From Pathfinder #186: Ghost King's Rage, which isn't enabled.

Shrieking Souls

HAZARD 18

Stealth +38 (master)

Description A terrified soul releases an earsplitting scream.

Disable DC 44 Diplomacy (master) to comfort the spirit or DC 45 Occultism (master) to ward off the spirit

Scream (occult, sonic)

Trigger A creature enters the area

Effect The spirit screams, dealing 6d12+41 sonic damage to all creatures in a 30-foot cone (DC 40 basic Fortitude).

Reset 1 hour.

Pathfinder #186: Ghost King's RageOGL