Poison Needle Trap
Simple Trap · Tier 1 · Deadly
Trigger
Anyone attempting to pick or open the lock triggers the trap.
Effect
The triggering creature must make a DC 20 Constitution saving throw. On a failed save, the creature takes 14 () Poison damage and is for 10 minutes. While in this way, the creature is . On a successful save, the creature takes half as much damage and isn't .
PoisonCountermeasures
A successful DC 20 Wisdom () check reveals the needle, but only if a character inspects the lock. A successful DC 20 Dexterity check using disables the needle, and a check with a total of 10 or lower triggers the trap.
Trap Details
A tiny, poisoned needle hidden in a lock is a good way to discourage thieves from plundering a hoard. Such a trap is usually put in a chest or in the door to a treasure chamber.