Trap Generator
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Scythe Blade
A pedestal with a button labeled 'Do Not Press' (or similar) sits in the center of the area. Creatures that push the button trigger the trap which causes large scythe blades to emerge from slits in the wall and swing across the area. There are lots of tall arrowslits in the walls.
Effect: +8 to hit against all targets within a 5 ft. arc, 7 (2d10) slashing damage
Trigger: button, a button labeled 'Do Not Press' (or similar) activates the trap when pushed.
Countermeasures: A successful DC 10 Dexterity check using thieves' tools disarms the trap, removing the trigger from the button and allowing it to be pressed as many times as you want. Unsuccessfully attempting to modify the button triggers the trap. Alternatively a creature may be able to build up the incredible willpower necessary to resist the temptation to push it.
Acid Spray
A pillar of light stretches the location. The trap is activated if the beam is broken by a creature or object and causes acid to spray from a hidden nozzle. The walls are covered in foliage or perforated stone.
Effect: DC 10 to find, DC 10 to disable
Targets all creatures within a 20 ft. cone, DC 13 save or take 5 (2d10) acid damage for 4 (1d4) rounds
Trigger: light beam, a beam of light activates the trap when broken.
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) | 2 (1d4) | 7 (2d4) |
| Small (chest, lute) | 3 (1d6) | 15 (3d6) |
| Medium (barrel, chandelier) | 7 (1d8) | 9 (4d8) |
| Large (cart, 10x10 ft. window) | 9 (1d10) | 19 (5d10) |
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