Poisoned Lock Hazard 1

Pathfinder Core Rulebook (Second Edition), page 523

Stealth DC 17 (trained)

A spring-loaded, poisoned spine is hidden near the keyhole of a lock. Disabling or breaking the trap does not disable or break the lock.

Disable Thievery DC 17 (trained) on the spring mechanism

AC 15; Fort +8, Ref +4

Hardness 6, HP 24 (BT 12); Immunities critical hits, object immunities, precision damage

Spring ↩ (attack); Trigger A creature tries to unlock or Pick the Lock. Effect A spine extends to attack the triggering creature.

Melee spine +13, Damage 1 piercing plus cladis poison

Cladis Poison (poison); Saving Throw DC 19 Fortitude; Maximum Duration 4 hours; Stage 1 1d6 poison damage and drained 1 (1 hour); Stage 2 2d6 poison damage and drained 2 (1 hour); Stage 3 3d6 poison damage and drained 2 (1 hour)