Monsters: U
35 monsters whose names start with U.
- Umbra Gaunt, violet-skinned shadow elves who serve their banshee mistress beyond death, umbra strike at their enemies' shadows and freeze victims with a burning stare.
- Umpleby A shaggy, dim-witted mound of hair that tags along with adventurers, the umpleby crackles with stored lightning and will trade its loyalty for a meal and a share of the gems.
- Unburied Archer Ghost Restless dead denied a proper burial, these translucent archers flicker out of the Ethereal Plane to loose arrows that never miss and carry a deadly sickness.
- Uncle Skeleton A dapper, top-hatted spirit of bone that haunts graveyards and frightens trespassers for fun, the uncle skeleton is good-natured, sadistic and far more powerful than it lets on.
- Undead Beast Mindless, dragon-sized undead killers: the barbed-ribbed stahnk that flings and traps victims in its rib cage, the funnel-dwelling gholor that lures prey for miles, and the green-glowing anhkolox.
- Undead Cloaker The rotting husk of a resplendent cloaker, drained by the undead and reborn to grip a host's neck and spread level-draining death through every touch.
- Undead Dragon Slayer A rotting knight in glowing dragon-scale plate, the undead dragon slayer returns from the grave with a blessed blade and a lifetime of wyrm-killing tricks, and it must feed on dragon deaths to stay animated.
- Undead Dwarf Faint, withered dwarven guardians that rise from the stones of their own tombs, undead dwarves pummel grave robbers out of sacred ground and simply reform if destroyed.
- Undead Familiar The rotting, vengeful remains of a familiar its own wizard killed, an unstoppable revenant that screams inside his head and returns again and again until he is dead.
- Undead Hulk Stitched together from several dead tunnel brutes by web-eel slaver rituals, the undead hulk is a mindless, crushing servant that obeys its small masters without hesitation.
- Undead Lake Monster A colossal rotting sea serpent haunting a bottomless lake, the undead lake monster lures the curious to the shore, then drags them under or chokes them with poison breath.
- Undead Old Master [Web-Eel Slaver] Aging web-eel slaver wizards who cheat their fate as brood-mothers by seizing undeath, undead old masters are silent, paranoid predators whose chilling touch locks victims in place.
- Undead Overview [Dark Sun] On the desert world no two undead are quite alike: each rises driven by its own obsession, keeps its living skills and carries a random mix of dread powers and odd weaknesses.
- Undead Treant A dying evil treant reborn by the dark powers as a leafless, blood-drinking corpse-tree that pins fallen victims with burrowing roots and drains them dry.
- Undead Virus A slow magical plague that rots its host's flesh and then mind, leaving a shambling, undying Rotting Man that finally collapses into infectious slime.
- Undying Mind Reaver A mind reaver that cheated death through wizardry, the undying mind reaver hoards spells, enslaves its living kin, and still savors a fresh brain for the secrets inside.
- Ungulosin A wandering water spirit that builds itself a body from hundreds of borrowed fish, eels or squid, the ungulosin bites with paralyzing venom and laughs off sword blows that kill only one of its parts.
- Unicorn Fierce, white guardians of deep forests, unicorns impale despoilers with a magical horn, vanish by short-range teleport and bear only the purest of riders.
- Unicow A shy, one-horned cow of the open plains that charges with surprising force, ignores charms and death spells, and gives milk that toughens whoever drinks it.
- Unisus [Unicorn] A winged unicorn born of pegasus and unicorn bloodlines that plunges from the sky with horn and hooves for devastating diving strikes.
- Unseelie Faerie The withered, hateful mirror of the Seelie Court, living fey and restless faerie ghosts who curse travelers for sport and serve an exiled princess at war with her mother.
- Unseelie Faerie [Sprite] Ugly, sadistic faeries who stalk travelers invisibly, drug them with sleep poison and wake them to torment, leaving blackened glades and poisoned water wherever they settle.
- Unseelie Nymph A nymph's dazzling beauty wrapped around a rotten heart, the unseelie nymph enslaves admirers with a glance, withers those who stay near her, and turns paradise into wasteland.
- Unseen Folk A dwindling, decadent race of invisible xenophobes who swoop from a frozen mountain kingdom on unseen flying rays, loosing arrows and cackling as they vanish.
- Upir Lichy A gaunt, wild-haired vampire of endless winter that drinks body heat instead of blood, stalking the frozen north in human, wolf or mist form.
- Urchin A spine-covered sea creature that shoots poisoned needles with crossbow accuracy and hides a gem inside that alchemists pay well for.
- Urd A skittish, bat-winged cousin of the kobold that hunts in huge night flocks, raining jagged stones on travelers far below.
- Urdunnir [Dwarf] A forgotten, god-blessed dwarven people who swim through solid rock, mold stone and metal like clay, eat gems, and can drag a foe into the earth to die.
- Urophion A mind reaver crossbreed with a roper, disguised as a rock pillar until it blasts intruders' minds and rips their brains out with its tendrils.
- Ursinal [Guardinal] Bearlike sages and wizards of the guardinals, ursinals ramble happily through any topic, but an angered one hugs like a giant and casts spells like an archmage.
- Ursoi Tool-using, honor-bound bear folk who hunt in tribes, crush enemies in a deadly hug, and may serve a rescuer to repay a life debt.
- Utahraptor A huge, fearless pack raptor with sickle-clawed feet that springs from forest cover to gut prey many times its size.
- Uthraki [Forest Spirit] A spiteful shapechanging spirit of lonely forest roads that poses as a friendly fellow traveler until nightfall, then sheds the disguise and throttles its companion.
- Utuchekulu [Dwarf] Jungle-dwelling, man-eating dwarves with a single blood-red fang, deadly paralytic arrows, and a taste for ambushing humans as game from rebuilt stone ruins.
- Utukku A lion-headed, quill-maned fiend of the prison plane that visits the mortal world for one year each century, spreading misery with lightning, fear and disease.