From Pathfinder Society Scenario #4-14: Shattering Golden Chains, which isn't enabled.

Storm-Wrought Chains

HAZARD 5

Stealth +10

Description Brightly polished copper chains rumble with distant thunder and statically charge the air.

Disable DC 25 Thievery (expert) to release the lock, or DC 25 Arcana or DC 25 Nature (expert) to harmlessly release the storm's energy

AC 20; Fort +15, Ref +14

Hardness 14, HP 54 (BT 27); Immunities electricity

Storm's Rage (air, electricity, primal)

Trigger A creature attempts to break or escape the chains

Effect The chains release a devastating blast of lightning that deals 4d8+14 electricity damage to all creatures in the room. Affected creatures must each attempt a DC 24 Fortitude save.

Critical Success The creature is unaffected.

Success The creature takes half damage and becomes Deafened for 1 minute.

Failure The creature takes full damage and becomes deafened for 1 hour.

Critical Failure The creature takes double damage. It also becomes deafened for 8 hours.

Reset The trap resets after 1 hour.

Pathfinder Society Scenario #4-14: Shattering Golden ChainsOGL