All Monsters (99)

• 5 HD Monsters in Basic Fantasy Field Guide Omnibus
  
• 5 HD Monsters in Basic Fantasy Role-Playing Game
  
• 5 HD Monsters in Carcass Crawler Issue 2
  
• 5 HD Monsters in Carcass Crawler Issue 4
  
• 5 HD Monsters in Old-School Essentials Advanced Fantasy Genre Rules
  
• 5 HD Monsters in Old-School Essentials Classic Fantasy
  
• 5 HD Monsters in OSRIC
  
• Babbler - Mutant lizard-like creatures with incomprehensible speech, resembling miniature tyrannosaurs
  OSRIC
• Baldander - Marine shapeshifter that assumes the form and abilities of creatures it kills
  Field Guide
• Balroach - A variety of giant cockroach larger than a horse
  Field Guide
• Barkgheist - Spirit of a person killed by a dog, appearing as a large black dog with fiery red eyes
  Field Guide
• Bear, Brown - Aggressive strain of bear including the famous grizzly, fights to the death
  OSRIC
• Bear, Grizzly (or Brown)
  BFRPG
• Bear, Quill - A large bear with long, razor-sharp spikes covering its back and sides
  Field Guide
• Beetle, Giant Boring - Giant beetles that eat rotting wood and operate like a hive collective
  Field Guide
• Boar, Polar - Large boar covered in thick white fur and blubber, adapted to extreme cold
  Field Guide
• Bog Crone - A loathsome and repugnant fey who dwells in marshlands, swamps, and other watery environs
  Field Guide
• Bone Chimera - An abominable undead monster composed of the skeletons of several different species
  Field Guide
• Buffalo - Native to tropical and subtropical plains
  OSRIC
• Cactus Man - Resembles a Saguaro cactus with arms and legs
  Field Guide
• Caryatid Column - Intricately-carved columns in the shape of a person, created as guardians
  OSE-AF, OSRIC
• Celestial, Messenger - The least powerful of the true celestials, delivering messages from the gods to mortals
  Field Guide
• Cockatrice - A strange creature appearing to be a chicken with a long serpentine neck and tail
  BFRPG, OSE, OSRIC
• Crystalline Egret - A 5-foot tall white egret made entirely of ice
  Field Guide
• Deadringer - A rare skeletal undead that rings bells to empower other undead and curse the living
  Field Guide
• Deep One, Lagoon Creature - Large humanoid hybrid deep one with scaly carapace-like body, preferring stagnant swampy regions
  Field Guide
• Deinonychus - Cretaceous carnivore
  OSRIC
• Demoniac - Offspring of major demon and human female, strong and heavily-built with demonic features
  OSRIC
• Disenchanter - A bizarre creature resembling a cross between a dromedary camel and a cow with a muscular prehensile snout, shimmery electric blue and translucent
  OSE-AF, OSRIC
• Dragon, Plains (Yellow Dragon) - Smallest of the true dragons with yellow skin dappled with light green patches
  BFRPG
• Ettercap - A cross between a grossly-bloated spider and a humanoid
  Field Guide, OSRIC
• Euparkeria - Triassic carnivore
  OSRIC
• Faun - A fey-related race resembling a cross between a goat and a small human or elf
  Field Guide, OSRIC
• Frost Toad
  OSE-AF
• Gaze Guard - Constructed, non-sentient security systems created by powerful Magic-users
  Field Guide
• Giant Boring Beetle - Tunnel-dwelling beetle that feeds on fungal cultures in rotting wood
  OSRIC
• Giant Flying Brain - A disembodied human brain of immense proportions, approximately six feet in diameter
  Field Guide
• Giant Lamprey
  OSE-AF
• Giant Moray Eel - Salt water dwellers with a nasty temper and a mouth full of teeth
  OSRIC
• Giant Rockfish - Spiny fish with lumpy, rock-like skin that live in saltwater shallows
  OSE
• Grimhost - The ghostly protector of a temple or cemetery, risen from the first individual buried there
  Field Guide
• Grizzly Bear - Aggressive, 9' tall. Silver-tipped fur, brown or reddish brown in colour
  OSE
• Hangman Tree - Horrible, semi-animate creature that fertilizes itself with dead bodies
  BFRPG
• Hook Beast
  OSE-AF
• Horned Chameleon - 7' long lizards whose scales change colour as camouflage
  OSE
• Horned Devil - Inhabitants of the 6th and 7th planes of Hell with personal names that can be used to summon and control them
  OSRIC
• Hydra - Reptile-like monsters with multiple heads, gray-brown to dark brown with light yellow or tan underbelly
  BFRPG, OSE, OSRIC
• Hydral
  CC #2
• Infected, Giant Ant - Giant ants infected by a blooming infectious mind
  Field Guide
• Infernal, Malacoda - Highly intelligent, eerily silent demons with barbed bodies
  Field Guide
• Infernal, Malebranche - A devil far larger than any man with crimson or dark gray skin and large horns
  Field Guide
• Inversegen - A 5-foot tall manta ray-humanoid hybrid with a large fin-encased head
  Field Guide
• Jelly, Ochre - Yellowish-brown amorphous monster up to 10 feet in diameter
  BFRPG
• Krell
  OSE-AF
• Lion - Large cat found in grasslands and savannas with muscular bodies and prominent manes on males
  BFRPG, OSE, OSRIC
• Living Statue, Stone
  BFRPG
• Lizard, Giant Horned Chameleon - Giant chameleons that can change color to blend into surroundings
  BFRPG
• Lycanthrope, Weretiger* - Humans that can transform into tigers, tall and agile hunters
  BFRPG
• Manticore, Fell - An extremely aggressive but smaller and faster breed of the common manticore with jet black fur and skin
  Field Guide
• Mummy - Undead monsters, linen-wrapped preserved corpses animated through dark desert gods
  BFRPG, OSE, OSRIC
• Ochre Jelly - Giant, ochre amoeboids
  OSE
• Ogre Mage - Highly intelligent humanoid standing 9-10 feet tall with horns and tusks
  Field Guide
• Ogre Magi - Fearsome evil creatures, well versed in magic and of unnatural size and strength
  OSRIC
• Orycleo - Large cat-like beasts with lion bodies, rabbit ears, and fluffy tails
  Field Guide
• Orycleo, Snow - Lion-like creature with large rabbit ears and fluffy tail tufts, native to cold climates
  Field Guide
• Owl Bear - Huge (8' tall, 1,500 pounds), ill-tempered, carnivorous bear-like creature with the face of an owl
  OSE
• Owlbear - Nightmarish creatures with the body of a large bear and the head of an owl
  OSRIC
• Phase Spider - A spider able to shift in and out of reality during combat
  OSE-AF, OSRIC
• Phouka - Cunning and mischievous fey famous for shapechanging abilities and playful yet unpredictable nature
  Field Guide
• Praying Mantis, Giant - A well-camouflaged creature that waits motionless for hours
  Field Guide
• Pteranodon - Giant-sized pterodactyls with wingspans of 25 feet or more
  BFRPG, OSE, OSRIC
• Puffball Mummy
  CC #2
• Raccoon, Giant - Nocturnal omnivores resembling normal raccoons but 7 feet long
  Field Guide
• Rock Python - 20' long snakes with spiralling brown and yellow patterns on their scales
  OSE
• Rust Monster - Strange monster built like a huge turtle with insectoid head and feather-like antennae
  BFRPG, OSE, OSRIC
• Sasquatch - A seldom-seen large humanoid, over 7 feet tall with long arms and covered in shaggy hair
  Field Guide
• Satyr - A creature with the upper half of a man and the lower half of a goat, with red or chestnut brown hair, and jet black hooves and horns
  Field Guide, OSE-AF
• Scorpion, Giant - Giant scorpions are aggressive predators, sometimes as large as a donkey
  BFRPG, OSRIC
• Scrab - A huge crab with a 6-foot diameter body protected by natural anti-magic
  Field Guide
• Shub - Deformed humanoids with hunchbacks, twisted limbs, and pinhead skulls
  OSRIC
• Skunk, Giant - Giant skunks that raid human communities and defend themselves with foul-smelling musk spray
  Field Guide
• Slithering Tracker - A transparent slime monster, similar in nature to the gelatinous cube but smaller and more amorphous
  Field Guide, OSE-AF, OSRIC
• Snake, King Cobra - Deadly and aggressive snakes with spreading hoods that make a growling noise
  Field Guide
• Snake, Python
  BFRPG
• Spectral Troll - Invisible creatures created from merging troll and extra-planar essences
  OSRIC
• Spider, Steel - A construct made of steel with jeweled eyes used by Magic-users to guard possessions
  Field Guide
• Stygian Sphere
  CC #4
• Swamp Monster - Semi-intelligent humanoid creature covered in moss and vines, with natural camouflage
  Field Guide
• Thunderbird - Rare, intelligent giant eagle with electric-blue coloration and crackling static electricity
  Field Guide
• Tiger - Large striped great cat with orange fur and dark vertical stripes
  BFRPG, Field Guide, OSE, OSRIC
• Triton - Similar to mermen, but larger and significantly more powerful
  Field Guide, OSE-AF, OSRIC
• Twilight Hound - A large two-headed canine from another plane with a serpentine tail
  Field Guide
• Water Leaper - A big bat-winged tadpole that inhabits swamps and lakes
  Field Guide
• Weasel, Giant (or Ferret, Giant) - Long-bodied predatory animals with short legs and pointed, toothy snouts
  BFRPG, OSRIC
• Wereboar - Semi-intelligent and irascible
  OSE, OSRIC
• Weretiger - Exhibit feline behaviour
  OSE, OSRIC
• White Dragon - Found in cold regions
  OSE, OSRIC
• Wraith - Incorporeal creatures born of evil and darkness
  BFRPG, OSE, OSRIC
• Wretchling - Psychic parasite that feeds on emotions and possesses victims
  Field Guide