Trap Generator
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Thunderstone Mine
Multiple levers are rigged to activate when pulled that detonates a thunder mine buried under the floor. The floor is pocked with small craters.
Effect: Targets all creatures within 20 ft., DC 15 DEX save or take 6 (2d10) thunder damage and become deafened for 2 (1d4) rounds
Trigger: multiple levers, activates when the wrong lever is pulled.
Countermeasures: A successful DC 10 Intelligence (Investigation) check allows a character to deduce the trap's presence. A successful DC 15 Dexterity check using thieves' tools disarms the trap, disabling the trigger. Unsuccessfully attempting to pick it triggers the trap.
Acid Fog Trap
A stuck door must be broken down to pass but breaking down the door causes the PC to stumble into the trap, which causes hidden pipes to spew out an acid fog, obscuring the area and burning anyone inside. The area is a little foggy and there's exposed pipes.
Effect: Targets all creatures within a 10 ft. square area, heavily obscures sight and each turn in the fog deals 8 (2d10) acid damage
Trigger: stuck door, a stuck door that must be broken down to pass.
Countermeasures: Destroying or circumventing the door in some way other than smashing it down avoids the trap. A strong gust of wind (at least 10mph) will disperse the fog.
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) | 4 (2d4) |
| Small (chest, lute) | 2 (1d6) | 11 (3d6) |
| Medium (barrel, chandelier) | 4 (1d8) | 16 (4d8) |
| Large (cart, 10x10 ft. window) | 8 (1d10) | 23 (5d10) |
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Their contribution stands as a beacon of hope for all adventurers!

