Trap Generator
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Steam Trap
A door or passage is trapped and must be disabled by supplying it with power through the copper wires to clay batteries that need to be filled with acid or acidic fruit (like oranges) which can be found nearby. If power isn't supplied then the trap is triggered, which makes scalding hot steam fill the area via vents in the floor. The floor is perforated or mesh.
Effect: Targets all creatures within a 10 ft. square area, scalding hot steam fills the area. Any target that starts or moves through the area takes 1 (1d10) fire damage per turn.
Trigger: clay battery, copper wires stick out of a door or other way forward and must be powered by a clay battery to stop the trap.
Countermeasures: Putting acid or acidic fruit juice into the clay batteries and hooking up the wires disables the trap. A strong gust of wind (at least 10mph) will disperse the steam.
Beehive Trap
An enemy in disguise attempts to direct the PCs into the trap by lying about where they need to go and triggers the trap when the PCs get close, which opens a trapdoor in the ceiling and drops hives into the area. Angry wasps swarm and sting anyone and everyone. Bits of pulp are scattered about, and the ceiling is covered in stalactites or dense foliage.
Effect: Targets all creatures within 20 ft., hives drop from the ceiling, releasing an angry swarm of wasps that deal 7 (1d10) poison damage and DC 12 CON save or be poisoned for 1 hour.
Trigger: enemy, an enemy in disguise directs the PCs into the trap.
Countermeasures: A successful DC 15 Insight check can tell that the enemy is lying. A successful DC 20 Dexterity check using thieves' tools disarms the trap. Filling the area with smoke will cause the wasps to become docile enough to cross without getting stung
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) | 5 (2d4) |
| Small (chest, lute) | 3 (1d6) | 8 (3d6) |
| Medium (barrel, chandelier) | 2 (1d8) | 18 (4d8) |
| Large (cart, 10x10 ft. window) | 9 (1d10) | 34 (5d10) |
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