Subterranean Monsters
in OSRIC
27 monsters
- Behir - A particularly nasty subterranean beast with a crocodile's head on a 40-ft long snake-like body with twelve sets of legs
- Blindheim - Yellowish, frog-like humanoids that project twin beams of incredibly bright light from their eyes
- Carcass Creeper - A fearsome, subterranean omnivore described as the magical hybrid of a cutworm and a squid
- Cave Lizard - Lizards that dwell in underground settings with camouflage colouration
- Dark Creeper - Short, spindly humanoids with pale skin who wrap themselves in loose, dark clothing
- Dark Stalker - Leaders of the dark creepers, much taller than their followers
- Dwarf - Short, stocky, bearded demihumans who dwell in mountains and subterranean realms
- Ettin - Large, nocturnal two-headed creatures that live below ground
- Gelatinous Cube - Nearly transparent cube that travels dungeon corridors absorbing carrion, creatures, and trash
- Giant Slug - Large boneless creatures that spit acid and burrow through wood and earth
- Gnome - Small humanoids standing 3 to 3½ feet tall with tan to woody brown skin
- Goblin - Small, wicked humanoids that favor ambushes, overwhelming odds, and dirty tricks
- Grimlock - Fierce blind humanoids with scaly grey hide that dwell in dark places and hunt humans
- Kobold - Small, dog-faced reptilian humanoids
- Lurker - Dangerous creatures resembling manta rays that wait in high places to drop on prey
- Orc - Grotesque humanoids bent on war and domination
- Otyugh - Repulsive beasts that feed off refuse and waste, dwelling in rubbish pits and cisterns
- Purple Worm - Gigantic subterranean monsters with poisonous stingers
- Quartz Roper - Rocky creature with living quartz hide that appears as a brownish or smoky grey crystalline statue
- Roper - Cavern-dwelling monsters that mimic stalagmites with grey-green stony hide
- Rust Monster - Strange monster built like a huge turtle with insectoid head and feather-like antennae
- Scorpion, Giant - Giant scorpions are aggressive predators, sometimes as large as a donkey
- Shrieker - Large, semi-mobile fungus that wails loudly when approached or threatened
- Spirit Naga - Evil naga with black scales and blood red bands, large misshapen human-like head
- Trapper - Underground predators with flat, chameleon-like bodies that lie in wait on dungeon floors
- Troglodyte - Intelligent, reptilian humanoids with agile hands, long legs, short tails, and spiky combs on their heads and arms
- Vilstrak - Rocky-skinned subterranean humanoids that merge with stone