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

Cannibalistic Echoes

HAZARD 16

Stealth +32 (master) to sense something unusual lurking in the area's echoes

Description A pack of cannibalistic spirits swarm through the area, devouring living creatures.

Disable DC 40 Intimidation (master) to drive the spirits off with a ferocious display or DC 42 Occultism (expert) to exorcise the spirits

AC 10

HP 10 (BT 5)

Feast

Trigger A living creature approaches within 10 feet

Effect The spirits bite and chew, dealing 6d12+35 piercing damage to each creature within 30 feet. Affected creatures must each attempt a DC 41 Reflex save.

Critical Success The creature is unaffected.

Success The creature takes half damage.

Failure The creature takes full damage, 2d8 bleed, and is Drained 1.

Critical Failure The creature takes double damage, 4d8 bleed, and is Drained 2.

Reset 1 day

Pathfinder Book of the DeadOGL