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Poisoned Secret Door TrapHazard 14

Magical Mechanical Trap 
Source Pathfinder #154: Siege of the Dinosaurs pg. 36
Complexity Simple
Stealth DC 34 (master)
Description Multiple tiny needles filled with poison are embedded in this secret door, spring-loaded to pop out.
Disable DC 34 Thievery (expert) to break the mechanism, or DC 39 Perception (master) to identify the three stones that, when pressed, prevent the trap from triggering
AC 36, Fort +28, Ref +19
Hardness 23, HP 92 (BT 46); Immunities critical hits, object immunities, precision damage
Spring (attack) Trigger A creature tries to open the door, whether or not it is still locked, without first depressing three specific stones on the door's surface; Effect Needles pop out of the door at the triggering creature.

Melee needles +32, Damage 1d12 piercing plus purple worm venom
Purple Worm Venom (poison) Saving Throw DC 34 Fortitude; Maximum Duration 6 rounds; Stage 1 5d6 poison damage and enfeebled 2 (1 round); Stage 2 6d6 poison damage and enfeebled 2 (1 round); Stage 3 8d6 poison and enfeebled 2 (1 round)
Reset If disabled, the trap resets after 1 minute.