Pet of Kalistes

A pet of Kalistes was a very intelligent and exceptionally powerful giant spider that was created by the marilith, Kalistes.

Description
Such giant spiders could move quickly and had tough natural armor.

Combat
These creatures were deadly in combat. Pets of Kalistes attacked with an extraordinary potent poison; it was so powerful that a single bite would often instantly kill an opponent. As well as being able to see invisible creatures and blink around, they could cast death spell, disintegrate, feeblemind, fire touch, charm monster, and fire shield. They were well armored, very resistant to magic, and were immune to being charmed, poisoned, and all sources of death magic.

Ecology
Pets of Kalistes were common in their creator's dimension, and were known to lurk in specific parts of the Underdark.

Appearances

 * Video games
 * Pools of Darkness