Monsters: I
42 monsters whose names start with I.
- Ice Bear The cleverest of bears, a 1,500-pound white hunter of the far south that tracks prey across ice with uncanny skill, pulls walrus-folk sleds and never forgets a kindness.
- Ice Cat A cunning white-furred hunter of the frozen north, built like a cheetah, which almost never gets surprised and can become a fiercely loyal companion.
- Ice Gnome Tough-skinned nomad gnomes of the frozen wastes who roam in hordes big enough to wipe out entire human tribes.
- Ice Lizard A small frost lizard that passes for a white dragon hatchling, can swell into a full-sized white dragon at will, and guards its hoard with frigid breath.
- Ice Mummy The freeze-dried corpse of a mountaineer who died alone, an ice mummy lures climbers onto snow bridges, breathes cones of cold, and numbs everything near it with killing frost.
- Ice Sheet Fish [Forgotten Realms] Five small, timid fish of the frigid seas around a vast polar ice sheet, from a living canteen and a fish that burns like a candle to a crystal eel that burrows into sleepers.
- Ice Spire Ogre Bigger, smarter and better drilled than common ogres, these frost-mountain brutes ambush from choking cave mists, and some carve demonic friezes that twist the minds of onlookers.
- Ice Troll Small, cunning, glassy-skinned trolls that lurk in frigid lakes, regenerating only in water and keeping captured humans fattened in their lairs like cattle.
- Ice Vampire The grieving ghost of a drowned wild elf woman, the ice vampire haunts waterfalls and leeches body heat from anyone it touches or lures into its pool.
- Id Fiend A stocky desert lizard that hunts with its victims' own nightmares, the id fiend floods prey with crippling terror before closing in with claws, fangs, tail and a deep well of psionics.
- Iguanids Tall, frilled iguana folk who bask in silent packs and follow druid shamans, iguanids are peaceful until their villages, young or mating season are disturbed.
- Ikiryo Born unknowingly from one person's jealousy or hatred, the invisible ikiryo latches onto its target and grinds every ability score down, day by day, until the victim dies.
- Ildriss [Elemental Grue] An invisible, three-eyed wind spirit that drifts about sowing misfortune, the ildriss turns into a grit-laden fog to flay its victims and snuffs out any air magic around it.
- Ilvessa [Unique Ghost] A murdered noblewoman whose hatred remade her as a ghost able to turn solid at will, bound to her family's castle until the lich and the brother who killed her pay.
- Immoth A crystalline ice giant studded with frozen words, the immoth shatters those trapped syllables to unleash spells, and its venomous tail can strip a victim of language before killing him.
- Imp A pocket-sized fiend with a deadly stinger, the imp answers a lawful evil caster's call as a familiar, then quietly takes the reins while letting its master believe he is in charge.
- Imp [Mystara] 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.
- Impersonator A pool of oily water that wears the faces of the people it has drained, the impersonator walks into villages as a trusted friend and leaves a trail of bloodless corpses.
- Incandescent Swarms of tiny, steady sparks on the quasiplane of Radiance, incandescents feed on the colors of travelers and leave them clumsy, transparent ghosts of themselves.
- Incantifer Last relics of a vanished faction that believed magic was everything, incantifers are ancient, silver-eyed archmages who drink spells cast at them and starve without fresh magic.
- Incarnate Invisible living virtues and vices, incarnates drain a host's vitality until they can move in, then feed on that person's courage, pride, greed or hope from the inside.
- Infernite Molten soldiers from worlds of living fire, infernites fight in disciplined squads of five, hurl chunks of their own burning bodies and sail red-hot starships that set wooden hulls ablaze.
- Infiltrator [Mongrelman] Wizard-made shapechangers that eat humanoid flesh to learn new forms, serving as perfect spies, and the forgotten ancestors of today's mongrelmen.
- Infinity Vine A leafless green vine that feeds on air and light, the infinity vine can bury a starship in ten feet of growth within hours and quadruple its tonnage.
- Ingundi A slim lizard predator that reads your mind and becomes the lover you always wanted, the ingundi charms its prey into removing armor before tearing out its throat.
- Inquisitor A rotting undead torturer conjured by evil wizards ages ago, the inquisitor lives on screams, paralyzing captives with a glance and breaking minds on its rack.
- Inquisitor Fiend A half-shadow, bat-winged fiend that feeds on the paranoia of zealous inquisitors, stoking heresy hunts and snatching victims into a mind-bending lair hidden behind a moving shadow.
- Insect Swarm Harmless one by one, velvet ants, grasshoppers and locusts become living disasters in the millions, stripping fields bare and biting anything caught in their path.
- Insect Swarm [Dark Sun] Once every few years the desert sky darkens with flesh-stripping locusts or blood-drinking miniature pack insects, swarms that can pick a herd to the bone in minutes.
- Insectare Hooded, green-skinned elf-insect hybrids with whip-like antennae, the insectare scheme in secret to dominate the spaceways by stealing magic and turning other races against each other.
- Insectoid Skeleton The hollow, clicking husks of giant insects raised as undead servants, from swarming ants to blood-gulping ticks and charging stag beetles.
- Intellect Devourer A clawed brain on four legs that eats minds and wears the bodies it empties, the intellect devourer shrugs off most weapons and stalks psionic prey from the shadows.
- Intellect Devourer Larva [Ustilagor] A soft, fungus-furred brain on coral legs, the ustilagor larva whips victims with acid and turns companions against each other, and it always goes for whoever carries gems.
- Intelligent Plants Thinking, hunting vegetation that lures, strangles, digests or robs the minds of the unwary, from noose-vined trees and seaweed temptresses to memory-eating moss and thorny plant hounds.
- Invisible Flying Ray An unseen manta that swims through mountain air on a bladder of buoyant gas, the invisible rayfish is gentle in the wild but serves a hidden people as a war mount.
- Invisible Stalker A tireless air spirit wrenched from its home plane to hunt or guard on a wizard's order, always looking for a loophole to twist that order against its master.
- Iron Cobra A segmented metal serpent with emerald eyes, built by forgotten wizards to guard, kill, or hunt down anyone whose true name it is given.
- Iron Dragon [Ferrous] Lords of the ferrous clans, iron dragons walk among mortals in human guise, gathering secrets for the day dragons reclaim the world, and they would rather take captives who talk than leave corpses.
- Ironmaw A carnivorous tree of the fiendish planes that can pass for any ordinary hardwood, lashing out with grasping limbs to drag travelers into a bark-lined maw that never lets go.
- Island Giant Horned, hideous wreckers of the coast, island giants sink ships with boulders and stock living larders, while their shapeshifting females lure lovers to be eaten.
- Isolde Varrach [Ermordenung] The first and deadliest of the ermordenung, a ravishing poisoner who murdered her queen's mother with a kiss and now leads her friend's corps of toxic assassins.
- Ivory Figurine A palm-sized elephant golem of carved, scrimshawed ivory that can swell to 11 feet tall, gore with enchanted tusks, and trumpet hard enough to deafen foes and shatter glass.