From Pathfinder Society Scenario #1-11: Flames of Rebellion, which isn't enabled.

Collapsing Barricade (3-4)

HAZARD 5

Stealth +13 (trained)

Description A tunnel through this steep barricade is rigged to collapse. If a kobold spends one action to throw a lever, the tunnel collapses on the next creature to pass through.

Disable DC 25 Thievery (trained) to carefully trigger the collapse without entering the tunnel.

AC 24; Fort +15, Ref +9

Hardness 12, HP 50 (BT 25); Immunities precision, critical hits

Collapse

Trigger A creature crawls into the tunnel in the collapsing barricade after the trap is activated with the lever

Effect The barricade collapses on the creature, who must attempt a DC 25 Reflex save.

Critical Success The creature takes no damage and escapes the barricade, emerging into a safe space on either side of it.

Success The creature takes 1d8+3 bludgeoning damage from collapsing debris and 1d8+3 slashing damage from broken glass before emerging on the opposite side of the barricade from the one they entered.

Failure The creature takes 2d8+7 bludgeoning damage from collapsing debris and 2d8+7 slashing damage from broken glass before emerging on the opposite side of the barricade from the one they entered.

Critical Failure As a failure, and the creature is Immobilized beneath the barricade until they or another creature succeed at a DC 22 Athletics check to pull them free. They can still be targeted, touched, and otherwise interacted with by creatures on either side of the barrier.

Pathfinder Society Scenario #1-11: Flames of RebellionOGL