From Pathfinder #153: Life's Long Shadows, which isn't enabled.

Caustic Dart Trap

COMPLEX HAZARD 11

Stealth +20 (expert) or DC 30 Perception (expert) to notice the three launching mechanisms built into the wall

Description Three launching mechanisms built into the mudbrick walls expel darts containing acidic chemicals. All three launching mechanisms must be disabled or destroyed to deactivate the trap.

Disable DC 32 Thievery (master) to sufficiently jam the tubes to make the trap unable to attack creatures in a single 5-foot square in the room, or DC 34 Crafting (master) to alter one of the three launching mechanisms.

AC 31; Fort +24, Ref +15

Hardness 20, HP 80 (BT 40) per launching mechanism; Immunities critical hits, precision

Dart Barrage (attack)

Trigger A creature reaches the midpoint of the hall

Effect The trap makes an acid dart against three different random creatures in the hall. The trap then rolls initiative.

Melee Caustic Dart +28, Damage 2d4+5 piercing plus 4d4+8 acid

Routine (3 actions) The trap uses each action for a caustic dart Strike. The trap loses 1 action for each launching mechanism that is broken or destroyed.

Reset The trap deactivates and resets 1 minute after no creatures are in area C7

Pathfinder #153: Life's Long ShadowsOGL