Beasts and peoples of a sprawling fantasy world with a hollow interior, sky-ships, and lost civilizations. 100 monsters, grouped by the book they come from.
- Actaeon HD 11 · XP 4,000
A towering elk-centaur guardian of the wild woods, the actaeon vanishes into the trees, hurls twin spears, and can breathe a mist that turns despoilers into squirrels for good.
- Agarat HD 4+3 · XP 975
A gaunt, ghoul-like corpse eater whose blood-chilling scream drains life energy, the agarat hangs back screaming while the ghouls it leads tear into the living.
- Air/Earth Elemental of Law HD 9 · XP 6,000
Two orderly elementals bent on cataloguing creation: a cottony, whirlwind-fast air being that flays agents of chaos with abrasive fibers, and a golden crystal star that impales foes on its spikes.
- Air/Earth Fundamental HD 1+1 · XP 120
Headless, bodiless pairs of living wings that never stop flying, air and earth fundamentals swarm out of the elemental planes to ram intruders, unharmed by anything but magic.
- Ash Crawler HD 3+1 · XP 270
A hog-snouted, soot-skinned lurker that buries itself in the ash around a permanent fire, snaring intruders with its long tail and clamping on with jaws that will not let go.
- Baldandar HD 6 · XP 2,000
A gaunt, saucer-eyed illusionist that hides behind flawless false faces, posing as wizards, dragons or orc chieftains while it schemes, hoards magic and hunts with a sleep-inducing bite.
- Bargda HD 12 · XP 4,000
A hulking, ram-headed cousin of the minotaur riddled with a rotting disease, whose bite slows and weakens victims and which marinates its meals in that same contagion.
- Bhut HD 7+2 · XP 1,400
Ordinary-seeming families by day and scaly, fanged man-eaters by night, bhut clans hide inside human towns and feed on the people nobody will miss.
- Bird [Mystara] HD 1-2 hp · XP 15
Thieving magpies, flesh-stripping piranha birds and the crackling sprackle, a spark-shedding grackle that shoots lightning from its beak and fears almost nothing.
- Blackball HD None (see below) · XP 8,000
A mindless five-foot sphere of pure annihilation that drifts toward thinking creatures and erases anything it touches, the blackball can only be outrun, never fought.
- Cat-Folk HD 2+1 · XP 65Hatra: 120
Proud nomadic cat-folk warriors who fight with steel war claws and charge into battle from the backs of saber-toothed tigers, never asking or granting quarter.
- Choker HD 3 · XP 120
A spindly, boneless-limbed cave lurker that reaches out of cracks to strangle lone passersby, then carves them up with razor fingers and hauls the pieces home.
- Coltpixie HD 3 · XP 120
A shy, color-shifting fairy steed that can shrink to a hand high or swell to warhorse size, vanish from mortal sight, and outrun any horse alive.
- Crone of Chaos HD 6 · XP 650
A foul hag-kin who hides behind the illusion of a lovely maiden, commanding beasts and conjured daggers from afar, then devouring the men she seduces.
- Crystalline Dragon [Mystara] HD 15 (base) · XP Variable
A glacier-dwelling gem dragon whose glittering, icy breath can turn weapons, armor and gear to brittle crystal that shatters on the next blow.
- Dangerous Plant [Mystara] HD 1-4 hit points · XP 15
Golden sleep-lilies, thorn-spitting brambles, strangling grass and blood-drinking white roses work together to turn a pretty glade into a killing field.
- Darkhood HD 13 · XP 5,000
A cowled, ghostly undead that fills its empty hood with each viewer's nightmares, then herds the terrified through walls until they collapse and it can feed on their fear.
- Darkwing HD 3 · XP 65
Scaly, bat-winged night raiders that swoop on herds in flocks, carry off people in pairs, and turn a farming valley's pastures into a slaughterhouse.
- Decapus HD 4 · XP 175
A hairy, ten-tentacled globe of teeth that swings through forest canopies, hanging by one limb while it slashes prey with the other nine.
- Deep Glaurant HD 7 · XP 2,000
A hulking, winged, scaly humanoid of the deep caverns that glides down on prey in conjured darkness, then rakes and bites until its meal stops moving.
- Diabolus HD 1 (see below) · XP Varies with Hit Dice and abilities
Horned, hoofed and lavender-skinned, diaboli look like devils to humans, yet they are cheerful chaos-loving folk from a nightmare realm who find humans just as horrifying.
- Dog-Folk HD 2 · XP 65 or per level
Loyal, keen-nosed canine humanoids who traded steppe nomadism for a feudal merchant kingdom, the dog-folk sniff out werewolves at a glance and carry silver to deal with them.
- Dragonfly HD 3+2 · XP 175
Yard-long hybrids of insect and dragon that zip and hover with impossible agility, breathing tiny jets of fire, frost, acid, gas or lightning at anything small enough to eat.
- Drake [Mystara] HD 5 · XP 650
Man-sized, shapeshifting dragon-kin who hide among humans, elves, dwarves and giants as compulsive thieves and quiet agents of chaos, shrugging off any spell below 5th level.
- Drolem [Golem] HD 20 · XP 23,000
A dragon-shaped construct with true dragon strength and none of the wit, the drolem flies, rends, and breathes a deadly poison cloud while shrugging off most magic.
- Dusanu HD 9+2 · XP 3,000
A walking skeleton packed with intelligent mold, the dusanu or rot fiend roams deep wilderness in packs, spreading spores that turn victims into new rot fiends.
- Ebon Tiger HD 6 · XP 975
A weightless great cat made of living black shadow that walks through cracks, stalks between the Prime and Ethereal planes, and bites with a venom that steals sight forever.
- Familiar [Mystara] HD 3 · XP 2,000
Tiny winged humanoids that are really gods in disguise, serving chosen wizards as familiars, lending them power and counsel, and wrecking them if they die or are enslaved.
- Fire/Water Elemental of Law HD 9 · XP 6,000
Two lawful elementals as different as fire and ice: a gentle, peace-loving ring of living flame prized as a negotiator, and a cold, crablike ice artisan with leanings toward evil.
- Fire/Water Fundamental HD 1+1 · XP 175
Headless, bodiless pairs of wings that never stop flying, fundamentals are the smallest scraps of elemental life, spilling into the mortal world wherever greater elementals cross over.
- Frost Salamander HD 12 · XP 9,000
A six-legged lizard from the Paraelemental Plane of Ice whose very presence freezes flesh, the frost salamander tears foes apart and chills its kills before eating.
- Gargantua [Mystara] HD 12+4 · XP 9,000
Ordinary monsters swollen to monstrous scale by a vanished wizard's experiments, these gargantua include a corpse creeper that hunts elephants and a troll twenty feet tall.
- Geonid HD 2 · XP 65Priest: 175
Shelled cave hunters that pass for ordinary boulders until they spring, geonids swarm their prey in packs and lure intruders into rockslides and piercer nests.
- Ghostly Horde HD 3 · XP 120
The silent phantom army of a crushing defeat, a ghostly horde gets its power from the fear of those who see it and can leave real wounds on anyone who panics.
- Giant Jellyfish [Mystara] HD 6 · XP 2,000
Three breeds of enormous, near-transparent jellyfish, from the ghostly marauder to the skull-marked death's head and the venom-spitting galley, each trailing stingers as long as 100 feet.
- Golem I [Mystara] HD 10 (50 hp) · XP 6,000
Two crafted guardians: the lovely amber golem, a big-cat tracker that never loses a fresh trail, and the four-armed skeletal golem stitched together from human bones.
- Golem II [Mystara] HD 16 · XP 19,000
Two more constructs: the spiked, fire-breathing iron gargoyle that drops from the sky to crush its prey, and the stinking mud golem that rises from the swamp to smother victims.
- Golem III [Mystara] HD 16 · XP 14,000
Two guardian constructs: the weapon-shattering rock golem that pounds relentlessly with stone fists, and the quicksilver-filled silver golem, fastest of all golems and always first to strike.
- Gray Philosopher HD 9 · XP 2,000
The brooding ghost of an evil cleric lost in an endless riddle, the gray philosopher never moves, while its spiteful thoughts swarm the room as fanged little horrors.
- Guardian Warrior HD 5 · XP 650
Dull red ceramic soldiers and horses from a forgotten age, guardian warriors wake when the right liquid is poured over them and serve, ignore or attack their maker by alignment.
- Gyerian HD 3 · XP 120Cockrobin: 270Rooster: 1,400
Skittish, flightless bird-folk who migrate across grasslands each year, gyerians flee at the slightest scare, yet a cornered flock answers with claws, beaks, and a sneeze that bowls people over.
- Hephaeston [Giant] HD 25 · XP 28,000
Iron-skinned smith giants who spend years perfecting a single blade, hephaestons shrug off fire and lesser magic and can hurl a grabbed foe into the ground.
- Herex HD 13 · XP 7,000
Giant insects with acid-drooling jaws, herex larvae tunnel through stone and dissolve armor with every bite, while winged adults swoop down to paralyze prey with a five-foot stinger.
- Hivebrood HD As host+1d4 hp or 2+1,whichever is greater · XP 270 or by host
Parasitic insect colonies that turn paralyzed captives into chitin-skinned drones, then spread the stolen spells and skills of everyone they devour through the whole hive.
- Horde HD 3-21 · XP Varies by Hit Dice (see below)
One alien mind from the Elemental Plane of Earth spread across hundreds of insect bodies, a horde strips whole lands bare and dies only when its very last body falls.
- Hsiao HD 4-15 · XP 4 Hit Dice: 4205 Hit Dice: 6506 Hit Dice: 9757 Hit Dice: 1,4008 Hit Dice: 2,0009 Hit Dice: 3,00010 Hit Dice: 4,00011 Hit Dice: 5,00012 Hit Dice: 6,00013 Hit Dice: 7,00014 Hit Dice: 8,00015 Hit Dice: 9,000
Giant owl-folk sages who serve as priests and guardians of the deep forest, calling on centaurs, treants and unicorns when anyone threatens their woods.
- Huptzeen HD 3-7 · XP 3 HD: 6504 HD: 9755 HD: 1,4006 HD: 3,0007 HD: 2,000
An exquisite ornament that is secretly a spellcasting guardian, the huptzeen hides in plain sight among treasures and explodes in a spray of shards when finally destroyed.
- Hutaakan HD 1 · XP 7
Haughty jackal-headed survivors of a fallen empire, ruled by their priests, who consider battle beneath them yet show no mercy once forced to fight.
- Imp [Mystara] HD 1-1 · XP 120
Spider-riding wood imps, drowning bog imps and territorial garden imps all share one creed: never fight fair when a hidden pit, snare or poisoned dart will do.
- Jade Dragon [Mystara] HD 13 (base) · XP Varies
A chatty, self-important forest gem dragon whose foul breath carries a rotting disease that blocks magical healing and rots away a victim's gear.
- Kna HD 7 · XP 975
Twelve-foot, orange-skinned sea giants with finned heads who either trade peacefully along the coast or drive ships onto reefs as merciless pirates.
- Kopru HD 8+4 · XP 3,000
Decadent, heat-loving amphibians whose triple hooked tails crush prey while their charm turns victims into unknowing puppets for life.
- Lightning Zombie HD 4 · XP 420
Gray-skinned, flamboyant undead born of raw magical surges, who crave heroic glory and grip foes in electrified hands, jolting them round after round.
- Living Statue HD 3 · XP 120
Animated statues of crystal, iron, jade, rock, silver, or steel that stand motionless as decorations until intruders pass, then batter them with stone fists, magma, or metal-eating bodies.
- Lizard [Mystara] HD 4+2 · XP 420
Gliding ambushers, sticky-toed climbers, magma-dwellers that melt steel and six-legged desert packs that breathe fire: these lizards range from trusty mounts to deadly hunters.
- Lizard-kin [Mystara] HD 2 · XP 65Shaman: 175
Four reptilian peoples of one ancient lineage: tiny tunnel-dwelling caymen, blinking chameleon men, brutal gator men and the fearless desert sandscales whose queens rule from the dunes.
- Magen HD 4 · XP 175
Gelatin-bodied servants poured into electrum molds by ambitious wizards, magens obey without question and come in four types, from armored guards to acid-stretchers and charmers.
- Manikin HD 1-4 hp · XP 120
A tiny root-born servant shaped from a shrieking mandragora plant, it slips through wood and stone to aid its wizard, and its death scream can kill.
- Mek HD 11-16 · XP 11 HD: 12,00012 HD: 13,00013 HD: 14,00014 HD: 15,00015 HD: 16,00016 HD: 17,000
A colossal metal guardian left by a vanished race of insect sorcerers, blind to anything that holds still, with fists that hit like falling masonry.
- Mujina HD 8 · XP 2,000
Faceless humanoids that wear illusory faces to live among people, waiting patiently as trusted hirelings before robbing or murdering their companions, or terrifying them with a blank stare.
- Nagpa HD 9 · XP 3,000
Vulture-headed, mummy-skinned wizards cursed by the gods for their selfishness, nagpa sense anyone who speaks of them within 100 miles and murder every gossiper they find.
- Nightshade [Mystara] HD 25 · XP 19,000
Jet-black horrors from the Negative Energy Plane, nightshades kill with a poisonous touch, chill the air and spoil every potion around them, and come in three dreadful shapes: worm, giant and bat.
- Nuckalavee HD 11 · XP 11,000Spellcaster: 12,000
A skinless-looking, centaur-shaped horror from the sea whose mere presence kills small animals, whose breath is a cone of cold, and who hates all living things.
- Onyx Dragon [Mystara] HD 12 (base) · XP Varies
A stealthy swamp gem dragon whose acid breath can wrap a victim in moving magical darkness that only the dragon can see through.
- Phanaton HD 1-1 · XP 35Warrior: 120Chief: 270King: 2,000
Gliding, raccoon-masked forest folk who guard their woods with ambushes and pranks, phanatons are gentle until loggers or their hated spider foes appear.
- Plasm HD 12 · XP 9,000
A skeleton of fused ether and raw elemental stuff that grows stronger when foolish casters hurl its own element at it, then vents that power as a scalding cloud.
- Rock Man HD 3 · XP 120
Slow, cone-shaped mountain folk of living granite who pass for rock spires, live six centuries, and pound anyone holding the ruby heart of one of their kin.
- Ruby Dragon [Mystara] HD 14 (base) · XP Vanes
A lava-loving gem dragon whose melting fire breath can set a victim's gear burning and dripping away, and who craves the finest gems, especially dwarven ones.
- Sabreclaw HD 5 · XP 1,400 per wing
Winged, sewage-reeking servants conjured from fouled water, bound into flocks that share one pool of life so no member falls until the whole wing does.
- Sacrol HD 8 · XP 6,000
A howling skull wrapped in shifting mist, born from the massed spirits of a slaughter, that strangles and drains the living and hunts its killers without rest.
- Scamille HD 10 · XP 8,000
A clever, gossip-hungry cave amoeba that disguises itself as a chest, door or boulder, then glues intruders to one pseudopod and pounds them with five more.
- Shapeshifter HD 8 · XP 2,000
Four very different races share one gift, a conscious, natural power to change form: scholarly adaptors, nature-guarding metamorphs, mimic-like polymar packs, and the man-eating randara.
- Shargugh HD 3 · XP 175
Shaggy, light-fingered forest sprites who lift purses and spell components, pelt foes with stones from the undergrowth, and whose loss leaves a woodland cursed and barren.
- Shark-kin HD 2 · XP 65Elder: 120
Fin-crested ocean nomads who hunt with packs of empathically bonded sharks, guard their shipwrecks fiercely, and sprout legs to walk ashore when their elder dies.
- Sollux HD 10-14 · XP 10 HD: 3,00011 HD: 4,00012 HD: 5,00013 HD: 6,00014 HD: 7,000
Crimson-skinned, fire-proof demihumans distantly related to the efreet, whose knightly order roams the world in glowing red-gold plate, hunting efreet wherever they meddle.
- Spectral Death HD 10 · XP 5,000
A roiling storm cloud of negative energy from the plane of vacuum that hunts one chosen victim with invisible claws, tearing away wisdom and leaving souls beyond resurrection.
- Spectral Hound HD 5 · XP 975
A ghostly astral hunting dog with eyes like voids, whose bite slowly fades its victim out of the world until they slip helplessly onto the Astral Plane.
- Spider-kin HD 17 · XP 650
Spider-shaped creatures with little else in common: shapeshifting aranea mages, plane-hopping planar spiders, many-legged leaping ploppéds and the horse-sized, sucker-limbed rhagodessa.
- Spirit [Mystara] HD 14 · XP 16,000
Wandering undead essences that ride severed body parts or living shrubs, killing with a poisoned touch and souring every ration, potion and flask of holy water nearby.
- Surtaki HD 6 · XP 650
A bull-sized patchwork horror with a serpent's head, tortoise feet and quill-laden green fur, whose spines carry a rotting disease that blocks all healing.
- Tabi HD 5 · XP 650
A cat-sized, golden-furred flying ape that reeks of carrion, hoards rumors like treasure, and rakes victims with a blue venom that turns them on their own companions.
- Thoul HD 3 · XP 270Spellcaster, 1st level: 420Spellcaster, 2nd level: 650Spellcaster, 3rd level: 975Spellcaster, 4th level: 1,400
A magical blend of ghoul, hobgoblin and troll whose claws paralyze and whose wounds close as fast as they open, prized by hobgoblin kings as bodyguards.
- Thunderhead HD 8 (16 in thunderstorms) · XP 2,000 (10,000 in thunderstorms)
A black, lightning-breathing sky reptile that lives its whole life on the wing and grows twice as dangerous whenever a thunderstorm rolls in.
- Topi HD 3 · XP 270
Shrunken, grinning undead the size of toddlers that leap from rooftops and branches, clawing victims with a venom that slows them to a crawl.
- Turtle-Folk HD 3 · XP 120
Calm, upright tortoise-people of the warm coasts who fight in disciplined rotations from inside their shells and trade lifelong vitality for a single mating.
- Velya Vampire HD 7 · XP 5,000
A blue-skinned, gilled sea vampire that sings swimmers into its arms, takes the shape of a great white shark, and crumbles to nothing if it ever leaves the water.
- Werejaguar [Mystara] HD 5+2 · XP 2,000
Red-eyed loners of the tropical rain forest, these werejaguars stalk prey patiently, drop from the branches without warning, and disembowel victims with raking hind claws.
- Wereswine [Lycanthrope] HD 9 · XP 2,000
Gluttonous, comfort-loving shapechangers who pose as harmless fat merchants, charm their neighbors into servants, and turn into fanged hogs when hungry for human flesh.
- White Fang HD 6 · XP 975
A legless, furred snow serpent with an ivory-plated head, the white fang hides from sight and heat vision alike, and its bite freezes a victim's blood.
- Worm [Mystara] HD 6 · XP 650
Rock-grinding titans, fire-breathing burrowers, treasure-crusted ambushers and sea-swallowing leviathans: these colossal worms make tunnels, deserts and oceans equally deadly.
- Wyrd HD 8 · XP 5,000
Hooded, ghostly undead born when evil spirits claim the corpses of abandoned elves, wyrds hurl exploding spheres of glowing energy and save their deepest hatred for elvenkind.
- Yowler HD 3+3 · XP 1,400
A soot-black flying hound with smoldering red eyes whose dreadful baying scatters travelers in panic so the pack can run down the stragglers one at a time.