Tenebrous worm

Tenebrous worms were massive insects native to the demi-plane of Shadow.

Description
Tenebrous worms looked like giant caterpillars. Their body was covered in coarse bristles. It had a set of large, sharp mandibles.

Combat
Tenebrous worms attacked a target with its large mandibles, delivering a lethal poison. The bristles that covered their upper body were coated with the same kind of poison. Any creature who came into contact with the poison required neutralize poison or slow poison spells to be cured, otherwise they died.

Habitat
Tenebrous worms could be found in the forests of the demi-plane of Shadow. They have been found living on Toril, within Undermountain and the Shrouded Jungle.

Ecology
Female gloomwing moths laid up to ten eggs on the corpse of another creature. After twelve days, tenebrous worms emerged from their eggs and began feeding on the corpse.

Uses
A pair of tenebrous worm mandibles were valuable, worth up to 3,000 gp per pair.

Appearances

 * Adventures
 * The Ruins of Undermountain II: The Deep Levels