This includes all creatures which dwell primarily underground - from small caves on the surface down to the deepest crevasse of the Underworld. Many of evolved into forms that lack eyes or pigmentation. Such things are not needed in the infinite blackness of the Underworld. Most have developed a heightened sense of touch to detect the slightest vibrations in their stony environment.
| Name | Climate/Terrain | Description |
| Subterranean | A giant variety of spider. | |
| Varies | An aggressive carnivorous species of cockroach. | |
| Subterranean | The most common subterranean arachnid. | |
| Subterranean | A wizard's biological experiment gone horribly wrong. | |
| Subterranean | One ton bipedal humanoid crab. | |
| Any | A parasitic predator with an odd side effect. | |
| Subterranean | A large cave fish with a poisonous sting. | |
| Subterranean | Subterranean reptile with a petrification breath weapon. | |
| Subterranean | A monster from the deepest regions of the Underworld. |
This page last updated Monday, October 08, 2007. Copyright 1990-2008 David M. Roomes.