Vermin
Monsters of type Vermin
All Monsters (99)
- Ant Lion, Giant - A gigantic predatory beetle about the size of a cow that builds underground tunnel networks with trapdoor ambushes
Field Guide - Arachnid, Giant Tarantella - Huge, hairy, nocturnal arachnid carnivores with large heads and mandibles and 10 legs
OSE - Balroach - A variety of giant cockroach larger than a horse
Field Guide - Bee, Giant - Giant bees that live in underground hives with a queen
BFRPG - Beetle, Giant Bombardier - Red and black beetle, 3 to 4 feet long, with toxic spray attack
BFRPG, Field Guide - Beetle, Giant Boring - Giant beetles that eat rotting wood and operate like a hive collective
Field Guide - Beetle, Giant Fire - Huge beetle with glowing red organs that provide illumination
BFRPG, Field Guide - Beetle, Giant Oil - Giant beetle about 3 feet long with eyes that can see in all directions
BFRPG, Field Guide - Beetle, Giant Rhinoceros - Largest of the giant beetles, between 10 and 14 feet long with brown or grey carapaces and huge horns
Field Guide - Beetle, Giant Stag - Giant beetles with males possessing huge stag-like mandibles
Field Guide - Beetle, Giant Tiger - Predatory monsters around 5 feet long with dark brown carapaces and lighter striped or spotted patterns
BFRPG, Field Guide - Beetle, Giant Water - Round-bodied beetles found in deep fresh water, attracted by vibrations or noise
Field Guide - Black Widow - 6' long, black spiders with a red hourglass pattern on their abdomens
OSE - Brain Parasite - A 1-inch long vermin found in carrion, dung, and other organic material that burrows into the brain
Field Guide - Carrion Crawler - 9' long, 3' high, many-legged, segmented worms with a ring of 2' long tentacles around their mouths
OSE - Cave Locust, Giant - Pale, cricket-like creatures that live underground, 2 to 4 feet long
BFRPG - Centipede, Giant - Larger versions of normal centipedes, 2 to 3 feet long, fast-moving predatory venomous arthropods
BFRPG, OSE, OSRIC - Centipede, Huge - Most common of the monstrous 'pedes with lethal weak venom
OSRIC - Centipede, Large - Smallest of the monstrous 'pedes with weak venom
OSRIC - Cicada, Giant - Peaceful, horse-sized insects concerned only with eating, mating, and singing
Field Guide - Crab Spider - 5' long hunting spiders that can change their colour to match their surroundings
OSE - Crab, Giant - Large crustaceans averaging 5' in diameter, tolerant of various water conditions
BFRPG - Dragonfly, Giant - Fast, agile aerial predators with brilliant iridescent coloring
Field Guide - Ear Worms - Tiny insect larvae found in old wood that burrow through flesh to mature
Field Guide - Eurypterid, Buffalopterus - A terrifying fusion of arachnid and aquatic predator with chitinous exoskeleton
Field Guide - Eurypterid, Jaekelopterus - A terrifying creature, the largest known eurypterid
Field Guide - Eurypterid, Megalograptus - A fearsome aquatic predator with a segmented exoskeleton and poisonous stinger
Field Guide - Eurypterid, Pentecopterus - Fearsome sea scorpion reaching up to 5 feet 7 inches in length
Field Guide - Fire Beetle - 2½' long. Commonly found underground
OSE - Fly, Giant - Giant flies that look like 3' long houseflies, sometimes mistaken for giant bees
BFRPG - Giant Ant - Giant (6' long), omnivorous, black ants
OSE, OSRIC - Giant Aquatic Termite - Giant (1'–5' long), wood-eating, aquatic insects with a sack to take in and jet out water
OSE - Giant Bee - Giant bees that live in hives or nests and produce valuable honey
OSRIC - Giant Blow Fly - Massive fly with shiny metallic green or blue body covered with coarse black hair
OSRIC - Giant Bombardier Beetle - Scavenging beetle that collects decaying matter and can release noxious gas
OSRIC - Giant Boring Beetle - Tunnel-dwelling beetle that feeds on fungal cultures in rotting wood
OSRIC - Giant Cockroach - A massive and particularly disgusting version of the common cockroach
Field Guide - Giant Death Watch Beetle - Camouflaged beetle that produces deadly bass vibrations
OSRIC - Giant Fire Beetle - Nocturnal beetle with glowing red glands sought after for illumination
OSRIC - Giant Horsefly - Massive flat tan and brown fly with shiny brown eyes
OSRIC - Giant Jellyfish - Nearly invisible floating oceanic predator with paralytic stingers
Field Guide - Giant Leech - Giant leeches that inhabit warmer, fresh water
OSRIC - Giant Rhinoceros Beetle - Massive tropical beetle that feeds on fruit and vegetation
OSRIC - Giant Scorpion - Huge arachnids, as big as a small horse, with pincers and deadly stingers
OSE - Giant Slug - Large boneless creatures that spit acid and burrow through wood and earth
OSRIC - Giant Stag Beetle - Woodland beetle that plagues farmland by feeding on young grain shoots
OSRIC - Giant Tick - Giant invertebrates that dwell in ruins and upper dungeon levels
OSRIC - Giant Wasp - Giant wasps with paralysing poison stingers that carry victims to their nests
OSRIC - Giant Water Beetle - Omnivorous aquatic beetle that hunts by scent and vibration
OSRIC - Grimfrog - Vicious carnivorous frogs that attack in swarms with flesh-shearing teeth
Field Guide - Infected, Giant Ant - Giant ants infected by a blooming infectious mind
Field Guide - Infected, Giant Rhinoceros Beetle - A giant rhinoceros beetle infected by the spores of the infectious mind
Field Guide - Insect Swarm - A large group of ordinary flying or crawling insects moving as a unit
BFRPG, OSE - Issuv - A colony of small insect-like creatures that work together as a single, larger body
Field Guide - Killer Bee - Giant (1' long) bees of aggressive temperament. Build hives underground.
OSE - Large Spider - Common dungeon and ruin dwelling spiders of various shapes and colours
OSRIC - Leech, Giant - Slimy, segmented wormlike creatures which live in water
BFRPG, OSE - Mosquito, Giant - Giant bloodsucking insects that swarm victims and drain blood
Field Guide - Ohberen - Nightmare creature with ovoid segmented body, wide mouth, and multiple barbed limbs
Field Guide - Oil Beetle - 3' long, burrowing beetles sometimes encountered below ground
OSE - Piercer - A cone-shaped shelled creature resembling a snail that hunts by dropping from cave ceilings
Field Guide, OSRIC - Portuguese Man O'War - Translucent floating creature with poisonous tentacles that trails below the water surface
OSRIC - Praying Mantis, Giant - A well-camouflaged creature that waits motionless for hours
Field Guide - Rhagodessa, Giant - Spider-scorpion creature with sticky pedipalps for capturing prey
BFRPG - Robber Fly - 3' long, carnivorous flies with yellow and black stripes that hunt killer bees
OSE - Rock Cricket - 2–3' long, herbivorous, giant crickets that dwell in caverns
OSE - Rot Grub - 1-inch long vermin found in carrion, dung, and other organic material
BFRPG, OSRIC - Scorpion, Giant - Giant scorpions are aggressive predators, sometimes as large as a donkey
BFRPG, OSRIC - Scorpion, Huge - Vicious, fearless predator with huge claws and poisonous tail
OSRIC - Scorpion, Large - Vicious, fearless predator with huge claws and poisonous tail
OSRIC - Slug, Giant - Truly huge slugs, 15 feet long, 8 feet wide, and around 5 feet thick
Field Guide - Slug, Spitting - A gastropod generally about the size of a medium pig that can spit digestive acid
Field Guide - Snail, Giant - A great molluscoid creature with a hard shell covering most of its body
Field Guide - Snail, Giant Barb - A slow creature with a 6-8 foot shell that can spit dagger-sized teeth
Field Guide - Snail, Giant Cone - 4 to 6 feet high, extremely well-camouflaged and highly toxic
Field Guide - Snail, Giant Pounder - The size of a large dog or pony, pounds the ground to locate burrows
Field Guide - Spider, Giant Black Widow - Much enlarged version of the ordinary black widow with strong, deadly venom
BFRPG - Spider, Giant Bola - Giant spider the size of a pony that throws webbed nets at prey
Field Guide - Spider, Giant Crab - Ambush predators that use camouflage, around 3' in length
BFRPG - Spider, Giant Diving Bell - A pony-sized spider that carries air underwater and crafts air-filled lairs
Field Guide - Spider, Giant Ice - Horse-sized crystal-clear spider adapted to icy environments
Field Guide - Spider, Giant Shrieking Tarantula - A rare, aberrant form of giant tarantula about the size of a horse with red leg-joints
Field Guide - Spider, Giant Tarantula - Huge, hairy spiders about the size of a pony that run down their prey
BFRPG - Spider, Giant Trapdoor - A pony-sized spider that digs deep tunnels with camouflaged trapdoor entrances
Field Guide - Spider, Giant Water - Semi-intelligent creatures that make underwater lairs and breathe air
Field Guide, OSRIC - Spider, Giant Wolf - Swift hunting spider with natural camouflage, about 3 feet tall and 5 feet long
Field Guide - Spider, Huge - Large web-building spiders that ensnare prey like their tiny cousins
OSRIC - Spider, Humming - A flat-shaped arachnid with elongated head and razor-sharp front legs that hum when attacking
Field Guide - Syring - A 9-foot tall, four-legged insect-like creature with a striking resemblance to a spider
Field Guide - Tentacle Worm - Giant worms with splayed tentacles that paralyze their prey
BFRPG - Tick, Giant - A blood-sucking insect about a foot long and a more active hunter than its smaller kin
Field Guide - Tiger Beetle - Carnivorous, 4' long, tiger-striped beetles with powerful, crushing mandibles
OSE - Vermin Monsters in Basic Fantasy Field Guide Omnibus
- Vermin Monsters in Basic Fantasy Role-Playing Game
- Vermin Monsters in Old-School Essentials Classic Fantasy
- Vermin Monsters in OSRIC
- Vermin Queen - A colony of horrid, intelligent black beetles that assumes the guise of a beautiful human or demihuman
Field Guide - Wasp, Giant - Giant insect that stings prey and takes victims back to its lair to feed young
Field Guide - Water Termite, Giant - Giant aquatic termites that spray stunning toxins and devour ship hulls
BFRPG