Trap Generator
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Poison Needle
This trap is activated when a creature touches its surface, which causes the needle to spring out, delivering a dose of poison.
Effect: Targets any creature that touches it, Placed in lock or opening mechanism, dealing 16 (2d10) poison damage and DC 10 CON save or be poisoned for 1 hour.
Trigger: touch trigger, activates when surface is touched by a creature.
Countermeasures: A spell or other effect that can sense the presence of magic, such as detect magic, reveals an aura of divination magic around the surface. A successful dispel magic (DC 10) cast on the surface destroys the trap.
Destroying the mechanism will prevent the trap from triggering but also render the object unopenable.Falling Door Trap
This trap is activated when a creature touches its surface, which causes the false door to fall forward onto anyone in front of it.
Effect: Targets any creature that touches it, DC 10 DEX save or take 10 (2d10) bludgeoning damage and knocked prone.
Trigger: touch trigger, activates when surface is touched by a creature.
Countermeasures: A spell or other effect that can sense the presence of magic, such as detect magic, reveals an aura of divination magic around the surface. A successful dispel magic (DC 10) cast on the surface destroys the trap.
Damaging the door causes the trap to trigger. A crowbar or iron wedge can be used from the side to tip over the door safely.Destroying Traps
Traps can be damaged and destroyed, sometimes to good or bad effect. Pipes containing fire or poison will rupture and spray over the area, while mechanisms can be rendered inoperable with enough force. Determine the HP and AC of your traps based on the tables below. Sometimes a fragile trap is more dangerous than a resilient one if destroying it will fill the corridor with acid.
| Substance | AC |
|---|---|
| Cloth, paper, rope | 11 |
| Crystal, glass, ice | 13 |
| Wood, bone | 15 |
| Stone | 17 |
| Iron, steel | 19 |
| Mithral | 21 |
| Adamantine | 23 |
| Size | HP (Fragile) | HP (Resilient) |
|---|---|---|
| Tiny (bottle, lock) | 3 (1d4) | 7 (2d4) |
| Small (chest, lute) | 1 (1d6) | 8 (3d6) |
| Medium (barrel, chandelier) | 5 (1d8) | 15 (4d8) |
| Large (cart, 10x10 ft. window) | 5 (1d10) | 15 (5d10) |
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