From Pathfinder Book of the Dead, which isn't enabled.

Flood of Spirits

HAZARD 18

HAUNT

Stealth +35 (trained) to hear the flood of spirits coalescing

Description A wave of spirits fly through the area, passing right through the living.

Disable DC 48 Occultism (expert) or DC 48 Religion (master) to divert the spirits

AC 10

HP 10 (BT 5)

Surge Through (cold, void)

Trigger A creature passes through the area

Effect The haunt deals 3d12+20 void damage and 3d12+20 cold damage to creatures in the area (DC 40 basic Reflex save). On a failure, a creature is Stupefied 2 for 1 minute, and on a critical failure, it's also Confused for 1 minute.

Reset 1 day

Pathfinder Book of the DeadOGL