madness stretches with only are fiendish for long

Arcanaloth

Monsters Monster Manual

Points or when the arcanaloth dies. If the tome is destroyed, the arcanaloth can create a new one when it finishes a Short or Long Rest.Multiattack. The arcanaloth makes three Fiendish Burst attacks

Fiendish Restoration. If the arcanaloth dies outside Gehenna, its body dissolves into ichor, and it gains a new body instantly and revives with all its Hit Points in Gehenna. Magic Resistance. The

Sahuagin Baron

Monsters Monster Manual

":"damage", "rollAction":"Fiendish Blood", "rollDamageType":"Acid"} Acid damage, and the target is cursed until it finishes a Short or Long Rest. While cursed, the target can’t benefit from the

Rakshasa

Monsters Monster Manual

’s permission, no spell can observe the rakshasa remotely or detect its thoughts, creature type, or alignment. Fiendish Restoration. If the rakshasa dies outside the Nine Hells, its body turns to

cursed. While cursed, the target gains no benefit from finishing a Short or Long Rest. Baleful Command (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Baleful Command

Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

finish a Long Rest, if you and the Demonomicon are on the same plane of existence, one trapped creature within the book can attempt to possess you. You make a DC 20 Charisma saving throw. On a failed

, regardless of what level spell slot you used, if any. Additionally, the Fiend has Disadvantage on its saving throw against the spell. Fiendish Scourging. While carrying the book, when you make a damage

Zuggtmoy Legacy

Monsters Out of the Abyss

“I see visions in the world around me that others do not.” 21–40 “I periodically slip into a catatonic state, staring off into the distance for long stretches at a time

infected by these spores for 24 hours. On a failed save, the creature is infected with a disease called the spores of Zuggtmoy and also gains a random form of madness (determined by rolling on the Madness

Black Crystal Tablet

Magic Items Waterdeep: Dungeon of the Mad Mage

Any creature that attunes to the tablet must make a DC 20 Wisdom saving throw at the end of its next long rest. On a failed save, the creature becomes afflicted with a random form of long-term

madness (see “Madness” in chapter 8 of the Dungeon Master’s Guide). As an action, a creature attuned to the Black Crystal Tablet can use it to cast eyebite or gate (the portal created by

Demogorgon Legacy

Monsters Out of the Abyss

Demogorgon’s cult can inspire madness in those who contemplate it for too long. All the followers of the Prince of Demons go mad, sooner or later.Demogorgon’s Lair Demogorgon makes his lair

until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. Gaze. Demogorgon turns his magical gaze toward one creature that he can see within 120 feet of him. That

Android

Monsters Quests from the Infinite Staircase

an android’s sophisticated construction, electrical surges can temporarily disrupt its finely tuned components. Similarly, damage to its core processing functions or long stretches of isolation

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

that of a great gargoyle, some 12 feet tall, with an extended, muscular neck and a smiling face framed by long, pointed ears and lank, dark hair, and bat-like wings are furled against his powerful

creatures within 1 mile of the lair frequently see hallucinations of long-dead friends and comrades that vanish after only a brief glimpse. Roads and paths within 6 miles of the lair twist and turn back on

Jijibisha Manivarshi

Monsters Journeys through the Radiant Citadel

see.Jijibisha Manivarshi, a vicious soul from the land’s past, lurks in the nearby forest. Long ago she made a deal with wicked otherworldly forces that gave her longevity and fiendish powers, a

bargain that ultimately resulted in the ruin of Manivarsha. Despite her fiendish powers, she looks like an ancient, withered human.Acid, PoisonCold, Fire, Lightning; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Worker Robot

Monsters Quests from the Infinite Staircase

. Robots that endure long stretches of isolation, mistreatment, or neglect are prone to malfunctions. Some robots become despondent or cruel, while others obsessively repeat their last directive or adopt new, peculiar purposes of their own.Cold, PoisonAcid, Fire

specialized for its role. Robots are programmed with intelligence, understanding, and usually loyalty to their creators. Despite that, long-operating robots sometimes develop their own personalities and ideas

Dyrrn

Monsters Eberron: Rising from the Last War

each time it fails the saving throw for this lair action. The target dies if its Intelligence score is reduced to 0. The reduction lasts until the target finishes a short or long rest. Regional

passage, that creature must succeed on a DC 22 Wisdom saving throw or descend into a type of madness (see “Madness of Dyrrn” below). A creature that succeeds on this saving throw can

Izek Strazni

Monsters Curse of Strahd

grown a new arm to replace the one he had lost. The new appendage has barbed spines, elongated fingers, and long nails. He can create fire with the snap of his fiendish fingers and has used the flames

burgomaster’s will, Izek drinks copious amounts of wine. Fiendish Gift. After years of doing Baron Vallakovich’s dirty work, Izek awakened from a drunken stupor one morning to find that he had

Warlock of the Fiend

Monsters Mordenkainen Presents: Monsters of the Multiverse

Dark One’s Own Luck (Recharges after a Short or Long Rest). When the warlock makes an ability check or saving throw, it can add a d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction

creature within 60 feet of it, the warlock forces that creature to make a DC 15 Constitution saving throw, taking 22 (4d10);{"diceNotation":"4d10", "rollType":"damage", "rollAction":"Fiendish Rebuke

Combat Robot

Monsters Quests from the Infinite Staircase

are programmed with intelligence, understanding, and usually loyalty to their creators. Despite that, long-operating robots sometimes develop their own personalities and ideas. Robots that endure long

stretches of isolation, mistreatment, or neglect are prone to malfunctions. Some robots become despondent or cruel, while others obsessively repeat their last directive or adopt new, peculiar purposes

Yeenoghu Legacy

Monsters Out of the Abyss

— unless he becomes bored. The Beast of Butchery has a long rivalry with Baphomet, the Horned King, and the two demon lords and their followers attack one another on sight. The Gnoll Lord is

a humanoid spends at least 1 hour within 1 mile of the lair, that creature must succeed on a DC 17 Wisdom saving throw or descend into a madness determined by the Madness of Yeenoghu table. A

Abhorrent Overlord

Monsters Mythic Odysseys of Theros

, crown of madness, suggestion Insatiable Greed. The abhorrent overlord can sense the presence of gold within 1,000 feet of itself. It can determine which location has the greatest amount of gold and

, having no understanding of the difference between fiendish species or distant nightmarish planes. A pit fiend might be interpreted by Theros's mortals as one of the Underworld's countless demonic denizens

Oreioth

Monsters Princes of the Apocalypse

(3 slots): crown of madness, misty step 3rd level (3 slots): animate dead, vampiric touch Swift Animation (Recharges after a Long Rest). When a living Medium or Small humanoid within 30 feet of

Cave Fisher

Monsters Mordenkainen Presents: Monsters of the Multiverse

Filament.A cave fisher is a subterranean arachnid with a long snout that houses spinnerets, enabling the creature to produce sticky filaments, much like the strands of a spider;spider's webbing

, which the creature uses to snag prey. A cave fisher usually hunts small animals and is particularly fond of bat;bats, so it stretches a filament over an opening that such prey might travel through. It

Daemogoth

Monsters Strixhaven: A Curriculum of Chaos

this way, it can’t do so again until it finishes a long rest.Multiattack. The daemogoth makes three Agonizing Burst attacks. It can use Terrify, if available, in place of one of the attacks

heal.Slipping through the darkest corners of the world, daemogoths are powerful fiendish creatures that feed on misery and other negative emotions. Some sages refer to daemogoths as tear lickers, owing to

Juiblex Legacy

Monsters Out of the Abyss

saving throw or become restrained. When a creature enters the area for the first time on a turn or ends its turn there, that creature must make the same save. A restrained creature is stuck as long as it

creature must succeed on a DC 18 Wisdom saving throw or descend into a madness determined by the Madness of Juiblex table. A creature that succeeds on this saving throw can’t be affected by this

Pudding King

Monsters Out of the Abyss

, ray of sickness, shield 2nd level (3 slots): crown of madness, misty step 3rd level (3 slots): gaseous form, stinking cloud 4th level (3 slots): blight, confusion 5th level (1 slot): cloudkillWar

this action. His statistics and capabilities are otherwise replaced by those of the new form. Create Green Slime (Recharges after a Long Rest). The Pudding King creates a patch of green slime. The slime appears on a section of wall, ceiling, or floor within 30 feet of the Pudding King.Acid, Poison

Davil Starsong

Monsters Waterdeep: Dragon Heist

, minor illusion, vicious mockery 1st level (4 slots): cure wounds, disguise self, sleep 2nd level (3 slots): crown of madness, invisibility, suggestion 3rd level (3 slots): nondetection, sending

good at sniffing out lucrative business deals, and he makes friends easily. Like many sun elves, Davil has an affinity for magic and is gifted with the kind of patience that comes with a long life span

Sweettooth Horror

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

origin of Sweettooth Village. This eerie, abandoned town constructed of gingerbread and frosting lies deep in the wilds of Eldraine. Some say the fiendish candy monsters that prowl its butterscotch-lined

control, that time has long since passed. “I smell frosting. Ready your weapons!” —Greta, scourge of Sweettooth Horrors of Sweettooth Village In addition to the Sweettooth horror

Canoloth

Monsters Mordenkainen Presents: Monsters of the Multiverse

are fiendish trackers and guardians employed by evil powers. They prefer to enter into contracts to guard valuable treasures and important locations. They always do exactly as asked—never any more

distortion field that prevents creatures close to them from teleporting. Canoloths confront intruders with swift and terrible force, projecting long, spiny tongues to grab their foes and drag them close

Hound Archon

Monsters Planescape: Adventures in the Multiverse

Aura of Menace. As long as the archon doesn’t have the incapacitated condition, each creature of the archon’s choice that starts its turn within 20 feet of the archon must make a DC 12

from fiendish incursions and safeguard those threatened by wicked forces. Archons are skilled communicators, able to speak all the languages of the multiverse. When pushed into combat, they prefer to

Hydroloth

Monsters Mordenkainen Presents: Monsters of the Multiverse

spellcasting ability (spell save DC 16): At will: darkness, detect magic, dispel magic, invisibility (self only) 3/day each: control water, crown of madness, fear, suggestion Steal Memory (1/Day

proficiencies; it can’t cast spells; it can’t understand language; and if its Intelligence and Charisma scores are higher than 5, they become 5. Each time the target finishes a long rest

Relentless Impaler

Monsters Vecna: Eve of Ruin

", "rollDamageType":"necrotic"} necrotic damage.In the Domains of Dread, practitioners of foul magic perform a profane ritual that turns living creatures into fiendish killers. This ritual necessitates the use of a

impaler is bound to the creature that wielded the ceremonial stake in the ritual that birthed it. As long as the original stake remains lodged in the heart of the ritual victim, the impaler can return

Nightmare Shepherd

Monsters Mythic Odysseys of Theros

(Recharges after a Short or Long Rest). The shepherd pulls twisted souls from the Underworld; 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Herd the Underworld"} shadow;shadows (without

” encompasses all fiends. The people of Theros might refer to “demons” or “devils” interchangeably, having no understanding of the difference between fiendish species or

Lantern Archon

Monsters Planescape: Adventures in the Multiverse

Aura of Menace. As long as the archon doesn’t have the incapacitated condition, each creature of the archon’s choice that starts its turn within 20 feet of the archon must make a DC 11

home from fiendish incursions and safeguard those threatened by wicked forces. Archons are skilled communicators, able to speak all the languages of the multiverse. When pushed into combat, they prefer

Warden Archon

Monsters Planescape: Adventures in the Multiverse

Aura of Menace. As long as the archon doesn’t have the incapacitated condition, each creature of the archon’s choice that starts its turn within 20 feet of the archon must make a DC 15

pursues relentlessly. Archons Archons are denizens of the Seven Heavens of Mount Celestia. Created by the powers of order and benevolence, archons defend their home from fiendish incursions and

Splugoth the Returned

Monsters Acquisitions Incorporated

Defensive Advantage. As long as two or more of Splugoth’s allies are within 5 feet of him and are not incapacitated, attack rolls against him are made with disadvantage. Nimble Escape

. Splugoth can take the Disengage or Hide action as a bonus action on each of his turns. Touch of Madness. Splugoth has advantage on saving throws against being charmed or frightened.Multiattack. Splugoth

Pidlwick II

Monsters Curse of Strahd

their creator's madness. Pidlwick II knew that it had no purpose as long as Pidlwick remained in Castle Ravenloft, so it pushed Pidlwick down a long flight of stairs, killing him. Everyone else

Baernaloth

Monsters Planescape: Adventures in the Multiverse

Gray Wastes of Hades. Their gray, desiccated skin stretches over their bones, and their heads resemble horned equine skulls with ember-like eyes. Sages endlessly debate the nature of baernaloths, and

a long rest, and it regains only half the usual number of hit points when it spends Hit Dice during a short rest. If the baernaloth dies, these effects end immediately.Acid, PoisonCold, Fire, Lightning, Necrotic, Psychic; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Bavlorna Blightstraw

Monsters The Wild Beyond the Witchlight

independently, constantly scanning her surroundings. Stained and moldering patchwork garments hide much of the leathery, mummified flesh that stretches over Bavlorna’s compact frame and

extraordinarily long, spindly limbs. She must submerge herself in a briny concoction for an hour each day, or her body will dry out until it locks up in a kind of living rictus, and she remains that way until

D&D Beyond

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