OSRIC
Monsters (398)
A
- Achaierai - Giant four-legged bird from the Abyss, resembling an ostrich with a short neck
- Aerial Servant - Creatures from the Elemental Plane of Air, invisible on the Prime Material Plane
- Afreet - Creatures from the elemental plane of fire, enemies of genies
- Al-mi'raj - Large (3-ft) hares with black unicorn horns projecting from their foreheads
- Albertosaurus - Much smaller cretaceous carnivore
- Allosaurus - Jurassic carnivore
- Amber Creeping Vine - A climbing plant with striking amber flowers that feeds on the brains of living creatures
- Amber Zombie - Humans, demi-humans, or humanoids transformed by amber creeping vines with amber skin and glazed eyes
- Androsphinx - A winged lion with a male human torso, serious-minded and intellectual
- Animated Tree - Normal trees animated by treants
- Ankheg - Gigantic burrowing arthropods with chitinous shells that can subsist on filtered earth or meat
- Anklyosaurus - Cretaceous herbivore with bony, armoured back
- Annis - Magical, evil giantesses that are gaunt and ragged, wearing stained and filthy garments
- Anuran - Less advanced frog-man tribes without weapons or armour
- Apatosaurus - Jurassic herbivore, once called brontosaurus
- Ape - Large primates found in remote rainforests
- Archaeopteryx - Jurassic carnivore; no bigger than an ordinary bird
- Archelon - Cretaceous carnivore; a kind of gigantic turtle
- Argentinosaurus - Cretaceous herbivore, relatively recently discovered, twice as massive as brachiosaurus
- Assagim - The lowest of all devils, unfortunate souls incarnated as senseless blobs of flesh
- Aurumvorax - Long-bodied, eight-legged carnivore with a beautiful golden coat
- Axe Beak - Diurnal hunters, these ostrich-like birds run fast and attack prey with their strong beaks
B
- Babau - Skeletal demons covered in leathery black skin with oversized hands, feet and head
- Babbler - Mutant lizard-like creatures with incomprehensible speech, resembling miniature tyrannosaurs
- Baboon - Communal and vegetarian primates that defend their territory
- Badger - Swift-moving burrowers that defend their territory and mate for life
- Bandit - NPC thieves who live by robbery
- Banshee - The legendary ghost of an evil elven female found in remote countrysides and lonely natural places
- Barbed Devil - Common devils of the 3rd and 4th planes of Hell, typically used as guards and sentries
- Barghest - Native to Gehenna, these shape-changing fiends appear as large goblins or dogs during their larval phase on the Prime Material Plane
- Barracuda - A fearsome, very fast aquatic predator found in warm salt water
- Basilisk - 10' long, serpentine lizards. Unintelligent, but highly magical
- Bat, Ordinary - Common bats that swarm when startled
- Batrachian - Advanced frog-man tribes armed with spears and shields
- Bear, Black - Omnivorous bears that are not particularly aggressive unless cubs are threatened
- Bear, Brown - Aggressive strain of bear including the famous grizzly, fights to the death
- Bear, Cave - Monstrous bears even larger than grizzly bears
- Bear, Polar - Long, lean carnivores slightly taller than grizzly bears, and just as hostile
- Bearded Devil - Bloodthirsty and maliciously cruel devils that serve as shock troops in the legions of Hell
- Behir - A particularly nasty subterranean beast with a crocodile's head on a 40-ft long snake-like body with twelve sets of legs
- Berserker - Fighters who enter a rage in battle. They never take prisoners.
- Blindheim - Yellowish, frog-like humanoids that project twin beams of incredibly bright light from their eyes
- Blink Dog - Strange wolf-like creatures that can teleport at will
- Boar - Bad-tempered wild swine covered in coarse, grayish-black fur
- Bone Devil - Cruel devils resembling large skeletons covered in leathery white flesh with scorpion-like tails
- Brachiosaurus - Jurassic herbivore; long thought to be the largest land dinosaur
- Brigand - Outlaws and mercenaries who make a living by raiding settlements and attacking travellers
- Bronze Dragon - Reclusive dragons that live in temperate climates and are interested in humanity
- Brown Mould - A heat-absorbing fungus that feeds on energy and grows in darkness
- Brownie - Shy, retiring fey creatures skilled in craftsmanship and highly magical
- Buccaneer - Sailors who make a living by raiding coastal settlements and robbing other ships
- Buffalo - Native to tropical and subtropical plains
- Bugbear - Huge, hairy goblins standing about 6 feet tall with darkish brown eyes
- Bulette - Huge, vicious burrowing predator that resembles a turtle crossed with an armadillo
- Bull - Very aggressive cattle
C
- Camarasaurus - Very common Jurassic herbivore
- Camel - Irascible animals that are adapted to life in dry climates
- Carbuncle - Minor agents of chaos that appear as curious armadillo-like animals
- Carcass Creeper - A fearsome, subterranean omnivore described as the magical hybrid of a cutworm and a squid
- Caryatid Column - Intricately-carved columns in the shape of a person, created as guardians
- Cat, Domestic - Small domestic feline
- Cat, Giant Lynx - Rare and magical intelligent felines of the icy wastes
- Cat, Wild - Small wild feline
- Caterwaul - Feline predator resembling black panthers walking upright that stalks darkened caves
- Cave Lizard - Lizards that dwell in underground settings with camouflage colouration
- Caveman - A species closely related to humans; shorter, stockier, and much more heavily muscled
- Centaur - Half man, half horse creatures that are haughty, aloof, but very honorable
- Centipede, Giant - Larger versions of normal centipedes, 2 to 3 feet long, fast-moving predatory venomous arthropods
- Centipede, Huge - Most common of the monstrous 'pedes with lethal weak venom
- Centipede, Large - Smallest of the monstrous 'pedes with weak venom
- Centrosaurus - Cretaceous herbivore that seems to have lived in very large herds
- Ceratosaurus - Jurassic carnivore
- Cetiosaurus - Jurassic herbivore, earlier relative of the other types
- Charonosaurus - Cretaceous herbivore
- Chimæra - A creature with the hind quarters of a goat, the forequarters of a lion, the wings of a dragon and 3 heads
- Class D Demon - Malevolent demons with the upper body of an ape and cloven-hoofed lower body of a boar, possessing small feathered wings
- Clay Golem - Man-shaped figure created from clay by a lawful good cleric
- Cockatrice - A strange creature appearing to be a chicken with a long serpentine neck and tail
- Coeurl - Vaguely feline predators with twin tentacles that feed on the life force of living creatures
- Coffer Corpse - Resembles a zombie, a rotting, fetid corpse of the dead left unburied
- Compsognathus - Jurassic carnivore
- Copper Dragon - Large dragon that lives in climates similar to blue dragons
- Couatl - Brightly feathered serpents with wings, rarely encountered in remote tropical environments
- Cougar - Solitary great cats that range widely while hunting
- Crabman - Humanoid amphibious creatures with tough reddish-brown exoskeletons and pincers
- Crypt Thing - A cloaked skeleton that guards its lair with teleportation magic
- Cyclops - 20' tall humanoids with a single, central eye
D
- Dakon - Intelligent apes resembling gorillas with light brown colouration, green eyes, and black hands
- 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
- Deinonychus - Cretaceous carnivore
- Demon - Supremely chaotic evil beings from other planes
- Demon, Class F - One of only six named demons of this class, wielding flaming whips and massive swords
- Demonette - Offspring of a succubus and human male, with vestigial horns and bat-like wings
- Demoniac - Offspring of major demon and human female, strong and heavily-built with demonic features
- Dervish - Fanatically religious, nomadic people who wander steppes and desert regions, living in tents
- Devilcat - A minor type of devil that appears as a glowing reddish aura resembling a large feline in darkness
- Diceratops - Cretaceous herbivore; extremely rare compared to triceratops
- Dilophosaurus - Jurassic carnivore
- Dimetrodon - Permian carnivore
- Diplodocus - Jurassic herbivore, famously long
- Dire Wolf - Efficient pack hunters that will kill anything they can catch
- Disenchanter - A bizarre creature resembling a cross between a dromedary camel and a cow with a muscular prehensile snout, shimmery electric blue and translucent
- Doppelganger - Intelligent, human-sized shape-shifters of wicked character and highly magical nature
- Dracolisk - Fearsome hybrid of black dragon and basilisk with thick black scales, horns, and petrifying gaze
- Draft Horse - Bred for great strength and endurance. Used to pull vehicles and ploughs or as beasts of burden
- Dragon Turtle - Massive aquatic creatures up to 200 feet long, occasionally mistaken for rocky outcroppings or small islands
- Dragon, Black - Fearsome dragons that spew corrosive venom, found in swamps, marshes and deep, dark caves
- Dragon, Blue - Deadly desert-dwelling dragons that attack with lightning breath
- Dragon, Brass - Desert dragons that compete with blue dragons for territory, with a sometimes good but occasionally greedy nature
- Dragon, Gold - Sinuous dragons of oriental myth that epitomize law and goodness
- Dragon, Green - Foul-tempered dragons that prefer caverns or ruins in or near forests
- Dragon, Red - The archetypal red dragon is Smaug from "The Hobbit"
- Dragon, Silver - Lawful good dragons that dwell in high places and often use shape-changing powers to observe and help people
- Dretch - The weakest of all demonkind with a plump body, thin gangly limbs, and a squat bald head
- Dryad - Female nature spirits mystically bound to enormous oak trees
- Dunkleosteus - Devonian carnivore; formerly known as dinichthys
- Dwarf - Short, stocky, bearded demihumans who dwell in mountains and subterranean realms
E
- Eagle - Large bird of prey, can exceed three feet in length with a wingspan of five to eight feet, weighing up to twelve pounds
- Edmontosaurus - Cretaceous herbivore, formerly "anatosaurus"
- Ekivu - Hideous crossbreed between a giant fly and a human
- Elasmosaurus - Cretaceous carnivore
- Electric Eel - Non-aggressive fresh water dwellers, preferring warm water
- Elemental, Air - Air elementals resemble "dust devils," that is, small whirlwinds, but they are much more powerful
- Elemental, Earth - Crude, headless humanoid statues with clublike hands and feet
- Elemental, Fire - Simply flames, which may appear generally humanoid for brief moments when they attack
- Elemental, Water - Roiling waves of water that fall upon creatures only to reform
- Elephant, African - Large mammal with grey hide, tusks, trunk and large ears found in subtropical plains
- Elephant, Asian - Large mammal with grey hide, tusks, trunk and ears found in subtropical plains
- Elf - Slender, fey demihumans with pointed ears. Live in harmony with nature, in beautiful natural settings.
- Erinyes - Winged humanoid devils that retrieve evil souls from the Prime Material Plane
- Ettercap - Humanoid arachnids that spin silk and use venomous bite
- Ettin - Large, nocturnal two-headed creatures that live below ground
- Euparkeria - Triassic carnivore
- Executioner's Hood - A small, weird monster that drops from above to strangle victims
- Eye of the Deep - Globular aquatic monster with a massive central eye, two eyestalks, lobster-like pincers, and a gaping maw
F
- Falcon - Small bird of prey, typically around a foot in length with a wingspan of two to three feet
- Faun - Frisky nature spirits with goat-like lower bodies who live in remote forests and meadows
- Fire Lizard - Giant lizards with tough scaled hide, thought to be an evolutionary dead-end on the dragon family tree
- Fire Mephit - Dull red creatures with black spots, wreathed in tiny wisps of flame
- Flesh Golem - Construct made from flesh that follows simple commands
- Flind - Close relatives of gnolls standing 6½-ft tall with powerful limbs and leonine heads
G
- Gargoyle* - Demonic-looking winged humanoid monsters with gray stone-like skin
- Gelatinous Cube - Nearly transparent cube that travels dungeon corridors absorbing carrion, creatures, and trash
- Genie - Magical beings from the Elemental Plane of Air
- Ghast - Undead monsters similar to ghouls but smarter and more powerful, surrounded by an overwhelming stench
- Ghost* - Spectral remnants of intelligent beings who cannot rest easily in their graves
- Ghoul - Undead monsters which eat the flesh of dead humanoids to survive
- Giant Ant - Giant (6' long), omnivorous, black ants
- Giant Bat - Large carnivorous bat with 15-foot wingspan
- Giant Bee - Giant bees that live in hives or nests and produce valuable honey
- Giant Blow Fly - Massive fly with shiny metallic green or blue body covered with coarse black hair
- Giant Boar - Ancient ancestor to the modern boar, even more aggressive
- Giant Bombardier Beetle - Scavenging beetle that collects decaying matter and can release noxious gas
- Giant Boring Beetle - Tunnel-dwelling beetle that feeds on fungal cultures in rotting wood
- Giant Crab - Unintelligent crustaceans that lurk in coastal waters and creep along beaches
- Giant Crayfish - Large freshwater crustaceans that ambush prey from concealment
- Giant Crocodile - More than 50' long crocodile that will attack small ships
- Giant Death Watch Beetle - Camouflaged beetle that produces deadly bass vibrations
- Giant Fire Beetle - Nocturnal beetle with glowing red glands sought after for illumination
- Giant Frog - Giant frogs from 2 to 6 feet in length with natural camouflage
- Giant Gar - Large predatory fish that live in deep rivers and lakes
- Giant Horsefly - Massive flat tan and brown fly with shiny brown eyes
- Giant Leech - Giant leeches that inhabit warmer, fresh water
- Giant Lizard - Giant lizards that dwell in marshy or swampy areas
- Giant Moray Eel - Salt water dwellers with a nasty temper and a mouth full of teeth
- Giant Octopus - Giant, eight-armed cephalopods. Lurk in coastal waters, close to settlements.
- Giant Pike - Aggressive predators found in larger and deeper lakes
- Giant Rat - Large scavenging rodents that grow up to 4 feet long and weigh over 50 pounds
- Giant Rhinoceros Beetle - Massive tropical beetle that feeds on fruit and vegetation
- Giant Sea Turtle - Massive beasts, normally placid but ferocious when they feel they are under attack
- Giant Slug - Large boneless creatures that spit acid and burrow through wood and earth
- Giant Snake, Adder - Common name for giant poisonous snakes
- Giant Snake, Amphisbaena - Two-headed snake that rolls like a hoop, immune to cold
- Giant Snake, Boa - Large carnivorous snake that drops on prey from above and constricts
- Giant Snake, Cobra - Hooded giant snake that can spit poison
- Giant Snapping Turtle - Aggressive predators, lying in wait for prey in shallow waters
- Giant Squid - Giant, ten-armed cephalopods. Two of the ten arms are larger, and may be used to attack ships
- Giant Stag Beetle - Woodland beetle that plagues farmland by feeding on young grain shoots
- Giant Tick - Giant invertebrates that dwell in ruins and upper dungeon levels
- Giant Toad - Warty amphibians with long, sticky tongues. As large as a great hound, weighing 150 to 250 pounds.
- Giant Wasp - Giant wasps with paralysing poison stingers that carry victims to their nests
- Giant Water Beetle - Omnivorous aquatic beetle that hunts by scent and vibration
- Giant, Cloud - Massive giants with milky white to sky blue skin, living in clouds and demanding tribute
- Giant, Fire - Barrel-chested giants with ruddy skin, black hair, and dark red eyes
- Giant, Frost - Pale-skinned giants with light blue or dirty yellow hair who dress in skins and pelts
- Giant, Hill - The smallest of giants, standing ten to twelve feet tall
- Giant, Stone - Reclusive giants of rocky mountainous terrain, standing 12 feet tall
- Glabrezu - Muscular demons with a horned dog head and four arms sprouting from a broad chest
- Gnoll - Hyena-headed, evil humanoids that wander in loose tribes
- 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
- Gorgimæra - Like a chimæra, save the goat's head is replaced with that of a gorgon
- Gorgon - Magical monsters resembling cattle made of iron
- Gorgosaurus - Cretaceous carnivore, smaller than tyrannosaurus
- Green Slime - Dripping, green slime that clings to walls and ceilings
- Grey Ooze - Slimy horrors that lurk on stone surfaces or among boulders
- Griffon - Large carnivorous creatures resembling lions with the head, foreclaws and wings of eagles
- Grimlock - Fierce blind humanoids with scaly grey hide that dwell in dark places and hunt humans
- Guardian Naga - Long, snake-like creature with a human head, golden eyes, and green-gold scales with triangular silvery scales along its spine
H
- Halfling - Diminutive, furry-footed demihumans who dwell in small villages (30–300 inhabitants)
- Harpy - A giant vulture bearing the torso and face of a human female
- Hawk - Medium bird of prey, typically around two feet long with a wingspan of four to five feet
- Hell Hound - Monstrous, cunning, and very intelligent hounds, the size of a small pony. Breathe fire and love heat.
- Hezrou - Loathsome toad-like demons with humanoid arms, slightly shorter than vrocks
- Hieracosphinx - A hawk-headed, winged lion that prowls desolate places and preys on unsuspecting travelers
- Hippogriff - Large flying horses with the forefront of a bird of prey
- Hippopotamus - Large semi-aquatic herbivorous mammals that aggressively defend their territory
- Hobgoblin - Larger cousins of goblins, about the same size as humans with dark orange or red-orange skin
- Homunculus - Small construct with bat-like wings and venomous bite, magically linked to its creator
- Horned Devil - Inhabitants of the 6th and 7th planes of Hell with personal names that can be used to summon and control them
- Horse, Heavy Warhorse - Heavy warhorse trained for combat
- Horse, Light Warhorse - Light warhorse trained for combat
- Horse, Medium Warhorse - Medium warhorse trained for combat
- Hydra - Reptile-like monsters with multiple heads, gray-brown to dark brown with light yellow or tan underbelly
- Hyena - Doglike carnivores who hunt, scavenge, and steal meals
- Hypacrosaurus - Cretaceous herbivore
I
- Ice Devil - Upright remorhaz-like devils with humanoid limbs and barbed tails that dominate the frozen 8th plane of Hell
- Ice Troll - Semi-transparent trolls with bodies that appear chiselled from blue-tinged ice
- Iguanodon - Cretaceous herbivore
- Imp - Small devil formed from soul worms, serving evil priests or sorcerers as familiars
- Indricotherium - A prehistoric ruminant that looks like a large rhinoceros
- Invisible Stalker - Creatures native to the Elemental Plane of Air that serve wizards and sorcerers
- Iron Golem - Powerful construct made of iron that can breathe poison gas
J
- Jackal - Small nocturnal scavenger and occasional predator with muzzle-snout and long tail
- Jackalwere - A malevolent beast who can assume human form
- Juju Zombie - Undead created by evil necromancy, improved zombies with strong connection to Negative Material Plane
K
L
- Lamia - Creatures with the upper body of a woman and the lower half of an animal that inhabit deserted places
- Lammasu - Champions of all that is good and just, with leonine bodies, feathered wings, and the head of a bearded wise man
- Large Spider - Common dungeon and ruin dwelling spiders of various shapes and colours
- Lava Mephit - Red mephits that sweat droplets of molten lava
- Lemure - Primal form of evil souls damned to spend eternity in Hell
- Leprechaun - A magical race that love to torment with practical jokes, mischief, and swindles
- Leviathan - Huge fish that may originate from the deepest oceans or the Elemental Plane of Water
- Lich - Undead remains of powerful wizard-priests who have cheated death through fell magic
- Lion - Large cat found in grasslands and savannas with muscular bodies and prominent manes on males
- Lizard Man - Tall reptilian humanoids that excel at swimming and ambush tactics
- Locathah - Aquatic nomads who make their home in warm, shallow, salt waters
- Lurker - Dangerous creatures resembling manta rays that wait in high places to drop on prey
M
- Mammoth - Huge, shaggy prehistoric relatives of the elephant
- Manalishi - Humanoid devils with horns, bat-like wings, and spiked tails that serve the five-headed dragon queen of Hell
- Manticore - An overgrown lion with thick leathery wings and an ugly humanoid face
- Marilith - Six-armed female demon with serpentine lower body, infamous for cruel and ill-tempered nature
- Mastodon - Intelligent, aggressive prehistoric relatives of the elephant
- Medusa - Human female with vipers for hair whose gaze turns victims to stone
- Merchant - Organized traders who travel between settlements in well-armed caravans, buying and selling trade goods
- Merman - Aquatic humanoids with human upper bodies and fish-like lower bodies that dwell in tropical seas
- Minotaur - Huge bull-headed humanoid monsters
- Mobat - Very large bat found in warm regions with plentiful warm-blooded prey
- Mongrelman - Outcasts with a motley appearance, as if patched together from bits of various races
- Monitor Lizard - Aggressive carnivores found in warm regions with dark grey and black colouration
- Monoclonius - Cretaceous herbivore with only one horn
- Mosasaurus - Cretaceous carnivore that filled the same ecological niche as sharks
- Mule - Stubborn horse/donkey cross-breeds used as beasts of burden
- Mummy - Undead monsters, linen-wrapped preserved corpses animated through dark desert gods
N
- Necrophidius - A skeletal giant snake with a fanged skull of an adult human male for a head
- Nereid - Transparent and invisible in water, appearing as beautiful young women on land
- Night Hag - Hideous women with clawed hands and feet, dark blue-violet skin, jet black talons and hair, and red glowing eyes
- Nightmare - Otherworldly black warhorse with blood red eyes, fiery nostrils, and burning hooves that serves as a mount for powerful evil beings
- Nilbog - A goblin infected with nilbogism, surrounded by a weakness in reality that causes chaotic, contrary effects
- Nixie - Small water fairies with pale green skin and dark green hair
- Nomad - Superstitious tribes who wander steppes and desert regions, living in tents or temporary huts
- Normal Wolf - Carnivorous relatives of dogs that hunt in packs
- Nothosaurus - Triassic carnivore; amphibious like huge seals
- Nymph - Feminine nature spirits of almost indescribable beauty that inhabit natural places of particular loveliness
O
- Ogre - Large, brutish, ugly humanoids standing 9-10 feet tall
- Ogre Magi - Fearsome evil creatures, well versed in magic and of unnatural size and strength
- Orc - Grotesque humanoids bent on war and domination
- Ornitholestes - Jurassic carnivore
- Otyugh - Repulsive beasts that feed off refuse and waste, dwelling in rubbish pits and cisterns
- Owlbear - Nightmarish creatures with the body of a large bear and the head of an owl
P
- Pegasus - Winged horse prized as aerial steed, shy creatures living in highest mountains
- Pentaceratops - Cretaceous herbivore, resembling a triceratops with a longer neck-frill and two extra horns protruding from under its eyes
- Phantom - A three-dimensional visual manifestation recorded at the time of a person's death
- Phase Spider - A spider able to shift in and out of reality during combat
- Phoenix - A magnificent firebird from the Outer Planes, often called "firebird" or "bennu bird"
- Piercer - A living creature encased in stone that looks exactly like a stalactite
- Pilgrims - Groups of religious followers making their way to some holy site
- Pirate - Sailors who make a living by raiding coastal settlements, robbing other ships, and illegal slaving
- Pit Fiend - Personal servants of Asmodeus, native to the 9th Plane of Hell
- Pixie - Winged fairies often found in forested areas who love beauty and pranks
- Plateosaurus - Triassic herbivore
- Plesiosaurus - Jurassic carnivore that may have preferred smaller prey than a man
- Poltergeist - Non-corporeal invisible spirits of humans who died tragically or were murdered
- Portuguese Man O'War - Translucent floating creature with poisonous tentacles that trails below the water surface
- Prehistoric Lion - Larger versions of regular lions found in lost world settings
- Pseudo-dragon - Tiny dragons with deadly sting in their tails, lacking breath weapon
- Pteranodon - Giant-sized pterodactyls with wingspans of 25 feet or more
- Pterodactyl - Prehistoric winged reptilian creatures with a wingspan of around 25 to 30 inches
- Purple Worm - Gigantic subterranean monsters with poisonous stingers
Q
- Quartz Roper - Rocky creature with living quartz hide that appears as a brownish or smoky grey crystalline statue
- Quasit - Soul worms formed by Demon Lords for service as familiars to chaotic evil clerics and magic users
- Quetzalcoatlus - Cretaceous carnivore, huge for a flying creature
- Quickling - Corrupted fey creatures sped up in time, moving so fast they appear as a blur
R
- Rakshasa - Evil spirits that use deception to hunt human flesh
- Remorhaz - Great polar worms found only in arctic areas
- Rhamphorhynchus - Jurassic carnivore flying dinosaur
- Rhinoceros - Dim, armoured, herbivorous mammals
- Riding Horse - Lightly built horses adapted to run at high speed
- Roc - Giant eagle-like birds with dark brown or golden plumage
- Roper - Cavern-dwelling monsters that mimic stalagmites with grey-green stony hide
- Rot Grub - 1-inch long vermin found in carrion, dung, and other organic material
- Rust Monster - Strange monster built like a huge turtle with insectoid head and feather-like antennae
S
- Sahuagin - Humanoid ichthyans of evil alignment that dwell in shallow, warmer salt waters
- Saurolophus - Cretaceous herbivore
- Saurophaganax - Jurassic carnivore, may be just a very large allosaurus
- Scorpion, Giant - Giant scorpions are aggressive predators, sometimes as large as a donkey
- Scorpion, Huge - Vicious, fearless predator with huge claws and poisonous tail
- Scorpion, Large - Vicious, fearless predator with huge claws and poisonous tail
- Sea Hag - Wretched creatures given to committing dreadful acts of evil, appearing as decrepit old women
- Sea Serpent - Serpentine monsters which live in the sea, ranging from 20' to 40' long
- Shadow* - An incorporeal creature that drains Strength with its touch
- Shaitan - Devils with large bulbous heads and black wings with silver tips
- Shambling Mound - Intelligent plant creatures appearing as piles of rotting vegetation
- Shantungosaurus - Cretaceous herbivore
- Shark - Aggressive, predatory fish of low intelligence and unpredictable behaviour
- Shedu - Winged bulls with human heads that battle evil and chaos
- Shrieker - Large, semi-mobile fungus that wails loudly when approached or threatened
- Shub - Deformed humanoids with hunchbacks, twisted limbs, and pinhead skulls
- Skeleton - Mindless undead created to guard tombs or serve their creator
- Skeleton Warrior - Unfortunate victims of powerful magic; in life they were fighters of great prowess and likely lords in their own right
- Slithering Tracker - Transparent, amorphous predator that stalks prey in darkness
- Smilodon - Giant cats with long sabre-like fangs, dangerous and aggressive predators
- Smoke Mephit - Black mephits that constantly emit smoke from their bodies
- Soul Worm - Putrescent maggot-like creatures with leering humanoid faces, the remains of evil souls imprisoned in Hell
- Spectral Troll - Invisible creatures created from merging troll and extra-planar essences
- Spectre - Incorporeal undead monsters that drain life energy
- Sphinx, Crio- - A winged lion with the head of a ram
- Spider, Giant Water - Giant spiders that build underwater lairs with air-filled web-sacs
- Spider, Huge - Large web-building spiders that ensnare prey like their tiny cousins
- Spiked Devil - Small devils with scaly reddish skin, bat-like wings, and dark spines running from forehead to tail
- Spirit Naga - Evil naga with black scales and blood red bands, large misshapen human-like head
- Sprite - Reclusive fey creatures, looking like tiny elves just a foot tall with dragonfly-like wings
- Squealer - Large three-armed ambush predator that dwells in trees
- Steam Mephit - Grey mephits that constantly sweat hot water in profuse amounts
- Stegosaurus - Stocky, herbivorous dinosaurs with a ridge of plates along their backs, and a tail studded with spikes
- Stirge - Weird winged creatures resembling hairless bats with tubular proboscis
- Stone Golem - Construct made of stone that can cast slow spells
- Storm Giant - 22' tall humanoids with bronze-hued skin and garish hair (red or yellow)
- Stunjelly - Translucent creature that appears as a normal section of wall until prey approaches
- Styracosaurus - Cretaceous herbivore with a distinctive spiky neck-frill; about half the size of triceratops
- Succubus - Solitary female demons that appear as stunningly beautiful, naked humanoid women with leathery bat wings
- Sylph - Aerial creatures thought to be closely related to nymphs
T
- Tarbosaurus - Cretaceous carnivore, closely related to tyrannosaurus
- Telmatosaurus - Smaller cretaceous herbivore
- Tiger - Large striped great cat with orange fur and dark vertical stripes
- Titan - Powerful creatures not native to the material plane that appear as massive humans of unearthly beauty
- Trapper - Underground predators with flat, chameleon-like bodies that lie in wait on dungeon floors
- Treant - Large, roughly humanoid tree-people that resemble oak trees when still
- Tribesman - Tribal humans usually found in tropical jungles or remote islands
- Triceratops - Massive (12' to the shoulder, almost 40' long), aggressive, herbivorous dinosaurs with a protective crest behind the head, and three long horns
- Triton - Aquatic creatures with fish-like tails instead of legs, dwelling in underwater castles or caverns
- Troglodyte - Intelligent, reptilian humanoids with agile hands, long legs, short tails, and spiky combs on their heads and arms
- Troll - Huge, rangy humanoids with lumpy grayish-green skin and regenerative powers
- Troll, Giant - Crossbreed of trolls and hill giants, combining troll regeneration with giant size and strength
- Troll, Giant Two-Headed - Vicious offspring of trolls and ettins with two heads and regenerative abilities
- Tyrannosaurus - Cretaceous carnivore, long thought to be the largest land carnivore of the dinosaur age
U
V
- Vampire* - Undead monsters that appear pale but lifelike, possessing all memories and abilities from life
- Velociraptor - Cretaceous carnivore
- Vilstrak - Rocky-skinned subterranean humanoids that merge with stone
- Violet Fungi - Plant creature that resembles shriekers, with branches that release rotting spores
- Volt - Peculiar magical creature appearing as a ball of grey fur with protruding eyes and an electric whip-like tail
- Vrock - Hideous cross between a vulture and a humanoid, considered one of the weakest of demonkind
- Vulchling - A race of birds that resemble vultures but with features that look rather like a human with a beak
W
- Walrus - Large, flippered carnivorous animals with long ivory tusks
- War Dog - Large mastiffs or pit bulls trained to fight, typically armoured in leather
- Warthog - Aggressive omnivore, related to a pig
- Warthog - Tropical relatives of the common boar
- Water Naga - Naga with scales ranging from deep green to turquoise and eye colour from light green to brilliant amber
- Weasel, Giant (or Ferret, Giant) - Long-bodied predatory animals with short legs and pointed, toothy snouts
- Weasel, Huge - Large blood-draining weasels found in forests and dungeons
- Weed Eel - Found in both salt and fresh water, preferring depths of around 30-ft
- Werebear - Highly intelligent, also in bear form
- Wereboar - Semi-intelligent and irascible
- Wererat - Intelligent, humanoid rats who can change into normal humans
- Weretiger - Exhibit feline behaviour
- Werewolf - Semi-intelligent pack hunters
- Whale - Large aquatic mammals with considerable variation between species
- White Dragon - Found in cold regions
- Wight - A weird and twisted reflection of the form it had in life
- Wild Cattle - Skittish herd animals likely to flee at danger
- Wild Dog - Roaming packs that compete for food with wolves and refugees
- Wild Horse - Lightly built horses adapted to run at high speed
- Will-o-the-Wisp - Strange, fey creatures that resemble dancing lights or torches
- Winter Wolf - Large, intelligent, bad-tempered predator found only in cold wastes with silver or ivory coat and ice blue eyes
- Wolverine - Deadly cold-weather predators resembling a cross between a huge weasel and a small bear
- Worg - Evil wolves of great size that speak their own language
- Wraith - Incorporeal creatures born of evil and darkness
- Wyvern - A huge flying lizard with a poisonous stinger in its tail, distant cousin to true dragons
X
- Xorn - Bizarre creatures from the elemental planes of earth that eat precious metals and other minerals
Y
- Yellow Mould - Deadly fungus that covers walls, ceilings, and other surfaces
- Yeti - Tall ape-like humanoids covered in thick white hair that crave human flesh
Z
- Zombie - Undead corpses of humanoid creatures that are deathly slow but move silently and are very strong
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