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Trap Generator

Trap Generator




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Poison Needle

This trap is activated when a creature touches its surface, which causes the needle to spring out, delivering a dose of poison. The object has a foul odor.

Effect: Targets any creature that touches it, Placed in lock or opening mechanism, dealing 10 (1d10) poison damage and DC 11 CON save or be poisoned for 1 hour.

Trigger: touch trigger, activates when surface is touched by a creature.

Countermeasures: A spell or other effect that can sense the presence of magic, such as detect magic, reveals an aura of divination magic around the surface. A successful dispel magic (DC 11) cast on the surface destroys the trap. Destroying the mechanism will prevent the trap from triggering but also render the object unopenable.

Net Trap

This trap uses a trip wire 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 11 STR save or become restrained

Trigger: trip wire, activates when wire is tripped.

Countermeasures: A successful DC 15 Wisdom (Perception) check will spot the trip wire, and a DC 10 Dexterity check using thieves' tools disables the trip wire harmlessly. A character without thieves' tools can attempt this check with disadvantage using any edged weapon or edged tool. On a 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.

SubstanceAC
Cloth, paper, rope11
Crystal, glass, ice13
Wood, bone15
Stone17
Iron, steel19
Mithral21
Adamantine23
SizeHP (Fragile)HP (Resilient)
Tiny (bottle, lock)4 (1d4)4 (2d4)
Small (chest, lute)2 (1d6)9 (3d6)
Medium (barrel, chandelier)7 (1d8)23 (4d8)
Large (cart, 10x10 ft. window)2 (1d10)28 (5d10)
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