Kassoon

Trap Generator

Trap Generator




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Collapsing Ceiling

An enemy in disguise asks for help and triggers the trap when the PCs get close, which collapses the supports keeping an unstable section of a ceiling in place. There are shoddy-looking supports scattered around the area.

Effect: Targets all creatures within a 10 ft. square area, DC 17 DEX save or take 22 (4d10) damage

Trigger: enemy, an enemy in disguise asks for help.

Countermeasures: A successful DC 10 Insight check can tell that the enemy is lying. A successful DC 20 Dexterity check using thieves' tools disarms the trap.

The supports holding up the section can be destroyed, triggering the trap from a safe distance.

Sending Trap

A rope is attached to a mechanism in the ceiling. The rope is knotted and situated below a ledge or trapdoor, making it look like the rope needs to be climbed or pulled to continue. In reality the trap is triggered when the rope is pulled, which releases the spell stored within the trapped object. The object is covered in arcane symbols and writing.

Effect: +7 to hit (or DC 17) against one target, Casts Sending centered on the triggerer

Trigger: pull rope, a knotted rope leading to a ledge above activates the trap when pulled.

Countermeasures: A successful DC 10 Intelligence (Investigation) check at the top of the rope will find the mechanism that activates when the rope is pulled. A successful DC 20 Dexterity check using thieves' tools disarms the trap, rendering the pull rope harmless. Since it may be difficult for characters to reach the top of the rope without pulling it, the ledge it leads to should be optional or have an alternate safe route to reach.

Casting dispel magic (DC 17) on the trap will cancel the stored spell.

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.

SubstanceAC
Cloth, paper, rope11
Crystal, glass, ice13
Wood, bone15
Stone17
Iron, steel19
Mithral21
Adamantine23
SizeHP (Fragile)HP (Resilient)
Tiny (bottle, lock)2 (1d4)6 (2d4)
Small (chest, lute)5 (1d6)12 (3d6)
Medium (barrel, chandelier)3 (1d8)15 (4d8)
Large (cart, 10x10 ft. window)2 (1d10)36 (5d10)

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