Trap Generator
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Spiked Net Trap
A lever is rigged to activate when pulled that causes a camouflaged net to fall on any creature caught below. The ceiling is covered in stalactites or vines to conceal it.
Effect: Targets all creatures within a 10 ft. square area, DC 15 STR save or become restrained and take 7 (2d10) poison damage, half on save
Trigger: lever, activates when the wrong lever is pulled.
Countermeasures: A successful DC 15 Intelligence (Investigation) check allows a character to deduce the trap's presence. A successful DC 10 Dexterity check using thieves' tools disarms the trap, disabling the trigger. Unsuccessfully attempting to pick it triggers the trap.
Earthmaw Trap
An L shaped hallway has doors at both ends. If the door in the short hall is opened then a trap is triggered on stragglers still in the long hall, which causes the floor to open up, spilling the intruder into the trap below. The floor is made up of loose dirt or mud, and there are runes in the area.
Effect: +6 to hit against one target, 8 (2d10) piercing damage
Trigger: L shaped hallway, an L shaped hallway with doors at both ends that triggers a trap in the long part of the hallway when the door in the hall is opened..
Countermeasures: A successful DC 15 Intelligence (Investigation) check will spot figure out the mechanism, and a DC 10 Dexterity check using thieves' tools disables the trigger harmlessly. On either failed check, the trap triggers.
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) | 1 (1d4) | 4 (2d4) |
| Small (chest, lute) | 1 (1d6) | 11 (3d6) |
| Medium (barrel, chandelier) | 8 (1d8) | 21 (4d8) |
| Large (cart, 10x10 ft. window) | 6 (1d10) | 32 (5d10) |
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