both before demon course remain

Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

general chapters remain, ever revealing demonic secrets. Caged behind lines of script roils a secret piece of the Abyss itself, which keeps the book up-to-date, no matter how many pages are removed, and

Destroying the Demonomicon. To destroy the book, six different demon lords must each tear out a sixth of the book’s pages. If this occurs, the pages reappear after 24 hours. Before all

Crown of Horns

Magic Items Forgotten Realms: Adventures in Faerûn

the curse to you. Only a Wish spell or the will of Myrkul can remove this curse. As long as you remain cursed, the following properties apply to you: Bound. You are unwilling to part with the crown

the course of 365 days. During that time, the transformation is purely cosmetic; these cosmetic changes slowly fade if you end Attunement to the crown before completing the transformation. When the

Derwyth

Monsters Quests from the Infinite Staircase

Tree Shape (2/Day). Over the course of 1 minute, Derwyth can magically transform into a Huge or smaller tree and remain in that form for 24 hours or until she ends this transformation early (no

Wastrilith

Monsters Mordenkainen Presents: Monsters of the Multiverse

creature takes 18 (4d8);{"diceNotation":"4d8", "rollType":"damage", "rollAction":"Corrupt Water", "rollDamageType":"poison"} poison damage and is poisoned until it finishes a long rest. If another demon

pollutes the waters around it. Its noxious presence even affects nearby sources of water when the demon travels on land. The corrupted water, which contains a measure of the demon’s essence

Vargouille

Monsters Mordenkainen Presents: Monsters of the Multiverse

vargouilles flap through the caverns and skies of the Abyss. They are given little regard by powerful and intelligent demons since vargouilles can do them no harm. Even the weakest demon, such as a manes

behind when one Fiend kills another. Because of their hunger for living prey, vargouilles are eager to escape the Lower Planes. On rare occasions, summoning a demon to another plane can bring a

Devourer

Monsters Mordenkainen Presents: Monsters of the Multiverse

replacing all life with everlasting death. A lesser demon that proves itself to Orcus might be granted the privilege of becoming a devourer. The Prince of Undeath transforms such a demon into an 8-foot

-tall, desiccated biped with a hollowed-out ribcage, then fills the new creature with a hunger for souls. Orcus grants each new devourer the essence of a less fortunate demon to power the devourer

Tanarukk

Monsters Mordenkainen Presents: Monsters of the Multiverse

tanarukks, using these ferocious warriors to bolster their followers’ strength. The demon lord Baphomet gladly shares the secret of creating tanarukks with those who entreat him for power; the cult

raiding or even war is the course they inevitably choose.Fire, PoisonAggressive. The tanarukk moves up to its speed toward an enemy that it can see.

Zuggtmoy Legacy

Monsters Out of the Abyss

attack against a target that she designates.The Demon Queen of Fungi, Lady of Rot and Decay, Zuggtmoy is an alien creature whose only desire is to infect the living with spores, transforming them into her

-controlling spores or being transformed to the point where flesh and fungus become one. Such cultists are fungal extensions of the Demon Queen’s will. Their devotion might begin with the seemingly

Orcus Legacy

Monsters Out of the Abyss

. Master of Undeath. When Orcus casts animate dead or create undead, he chooses the level at which the spell is cast, and the creatures created by the spells remain under his control indefinitely

necrotic energy 60 feet tall and with a 10-foot radius rises from that point and lasts until the end of Orcus’s next turn. Creatures in that area are vulnerable to necrotic damage.Orcus is the Demon

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

Deception and Demon Lord of Illusions. He uses every trick, every ounce of demonic cunning, to manipulate his enemies—mortal and fiend alike—to do his will. Fraz-Urb’luu can create

shoulders. He can assume other forms, however, from the hideous to the beautiful. Often the demon lord becomes so immersed in playing a role that he loses himself in it for a time. Many of the cultists

Carrion Stalker

Monsters Van Richten’s Guide to Ravenloft

instantly kills the larvae in the creature, ending the effect on it. If a creature is reduced to 0 hit points by the infestation, it dies. The larvae remain in the corpse, and one survives to become a fully

kills the larvae.A carrion stalker begins life as a pale larva that infests a corpse. Over the course of weeks, this grub burrows, feeds, and grows, ultimately developing into a chitinous mass of pincers

Fraz-Urb'luu

Monsters Mordenkainen Presents: Monsters of the Multiverse

one creature with his tail at a time. Terror (Costs 2 Actions). Fraz-Urb’luu uses Phantasmal Terror.Fraz-Urb’luu is the Prince of Deception and Demon Lord of Illusions. He uses every

, some lost god or Celestial, or even another Fiend. Fraz-Urb’luu wears all these masks and more. He particularly delights in aiding demon-hunters against his demonic adversaries, driving the hunters

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Master of Undeath. Orcus can cast animate dead (at will) and create undead (3/day). He chooses the level at which the spells are cast, and the creatures created by them remain under his control

with a 10-foot radius rises from that point and lasts until the end of Orcus’s next turn. Creatures in that area have vulnerability to necrotic damage.Orcus is the Demon Prince of Undeath, also

Yeenoghu Legacy

Monsters Out of the Abyss

, towering 14 feet tall. Yeenoghu is the Gnoll Lord, and his creations are made in his twisted image. When the demon lord hunted across the Material Plane, packs of hyena;hyenas followed in his wake

— 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

Demogorgon Legacy

Monsters Out of the Abyss

infinite depths of the Abyss. The demon lord is a meld of different forms, with a saurian lower body and clawed, webbed feet, as well as suckered tentacles sprouting from the shoulders of a great

, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Demogorgon If a creature goes mad in Demogorgon’s lair or within line of sight of the

Aurnozci

Monsters The Book of Many Things

, or half as much damage on a successful one.The demon lord Aurnozci is a wormlike horror of fiery flesh and toxic seepage. In its present form, Aurnozci can’t leave Xulregg, the Abyssal layer

leader, a masked archmage called the Eye of Aurnozci. Aurnozci’s followers believe the demon lord’s imprisonment is coming to an end, and soon the Caged Worm will shed its current form and

Beholder Legacy

Monsters Monster Manual (2014)

ray, such as manipulating a simple tool or opening a door or a container. Sleep Ray. The targeted creature must succeed on a DC 16 Wisdom saving throw or fall asleep and remain unconscious for 1

natural surfaces and to nonmagical objects that aren’t on anyone’s person. If the beholder dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollAction":"Days","rollType":"roll"} days.

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

. One creature charmed by Zuggtmoy that she can see must use its reaction, if available, to move up to its speed as she directs or to make one weapon attack against a target that she designates.The Demon

flesh and fungus become one. Such cultists are fungal extensions of the Demon Queen’s will. Their devotion might begin with the seemingly harmless promises offered by exotic spores and mushrooms

Juiblex Legacy

Monsters Out of the Abyss

of the target.Called the Faceless Lord and the Oozing Hunger in ancient grimoires, Juiblex is demon lord of slime and ooze, a noxious creature that doesn’t care about the plots and schemes of

truly insane worship Juiblex and tend to its slimes and oozes. Those who offer themselves up to the demon lord are engulfed by it and become vaguely humanoid, sentient oozes. The bodies of these former

Death Tyrant Legacy

Monsters Monster Manual (2014)

asleep and remain unconscious for 1 minute. The target awakens if it takes damage or another creature takes an action to wake it. This ray has no effect on constructs and undead. Petrification Ray

’s lair, roll a d20 for that creature. On a roll of 10 or lower, the creature is subjected to one random eye ray of the tyrant. If the death tyrant dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollAction":"Days","rollType":"roll"} days.Poison

Geryon (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

of his choice within 600 feet of him. The minotaur;minotaurs roll initiative when they appear. They remain until they die or Geryon uses an action to dismiss any or all of them.Geryon can take 3

must succeed on a DC 21 Wisdom saving throw or derive no benefit from the rest. If Geryon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days.Cold, Fire, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Firbolg Legacy

Species Volo's Guide to Monsters

heart of the world and monuments to the durability of life. In their role as caretakers, firbolgs live off the land while striving to remain in balance with nature. Their methods reflect common

Shepherds As caretakers of the land, firbolgs prefer to remain out of sight and out of mind. They don’t try to dominate nature, but rather seek to ensure that it prospers and survives according to its

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

made in his twisted image. When the demon lord hunted across the Material Plane, packs of hyena;hyenas followed in his wake, and those that ate of great Yeenoghu’s kills became gnoll;gnolls. Few

him—unless he becomes bored and wanders away. 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

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

chaos, confusion, and destruction, seeking to corrupt all that is good and undermine order in the multiverse, to see everything dragged howling into the infinite depths of the Abyss. The demon lord is

;poisonous snakes and other venomous Beasts. If Demogorgon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. Cultists of Demogorgon

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

. If Geryon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. VARIANT: SOUND THE HORN Geryon can have an action that allows him to summon enslaved

of his choice within 600 feet of him. The minotaur;minotaurs roll initiative when they appear. They remain until they die or Geryon uses an action to dismiss any or all of them. Cold, Fire, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Riverine

Monsters Journeys through the Radiant Citadel

lair. The tracks lead to potential shelters and safe passages across the river’s waters, while also leading away from areas that the riverine prefers to remain undisturbed. If the riverine dies

, the flora and fauna return to normal levels, and its river dries out over the course of 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Regional Effect Fade Days"} days. All other effects

Rod of Seven Parts

Magic Items Vecna: Eve of Ruin

Eons ago, a war between the primordials and the gods scarred the planes of existence. A demon lord named Miska the Wolf-Spider eventually pushed the primordials’ enemies to the brink of

destroy the Rod of Seven Parts is to immerse the assembled rod in lava in the Abyss. It must remain in the lava for fifty years before it finally is consumed. A piece of the rod may be temporarily

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

traveler somewhere in Stygia. If Geryon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Cultists of Geryon Geryon grants his cultists special

; (see the Monster Manual) to appear in unoccupied spaces of his choice within 600 feet of him. The minotaurs roll initiative when they appear, and they obey his commands. They remain until they die

Graz'zt Legacy

Monsters Out of the Abyss

hours. If Graz’zt dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Graz’zt If a creature goes mad in Graz’zt’s

lair or within line of sight of the demon lord, roll on the Madness of Graz’zt table to determine the nature of the madness, which is a character flaw that lasts until cured. See the Dungeon

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

appear, and they obey his commands. They remain until they die or Geryon uses an action to dismiss any or all of them.Geryon can take 3 legendary actions, choosing from the options below. Only one

deposits a traveler somewhere in Stygia. If Geryon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Cultists of Geryon Geryon grants his cultists special

Baphomet Legacy

Monsters Out of the Abyss

be affected by this regional effect again for 24 hours. If Baphomet dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Baphomet If a

creature goes mad in Baphomet’s lair or within line of sight of the demon lord, roll on the Madness of Baphomet table to determine the nature of the madness, which is a character flaw that lasts

Valin Sarnaster

Monsters Candlekeep Mysteries

, petrified, knocked prone, restrained, or stunned. Equipment worn or carried by Valin remain in her possession.Valin Sarnaster has been thoroughly corrupted by visions of a future in which she sees herself

as the immortal heir of Savras’s realm. The Canopic Being came into her possession years ago, and an obsession with the dark rituals therein set the oracle on her present course. Valin has

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

poisoned, and any creature, other than an Ooze, is poisoned while within 10 feet of the target.Called the Faceless Lord and the Oozing Hunger in ancient grimoires, Juiblex is demon lord of slime and

, which is slick and sticks to anything that touches it. If Juiblex dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Cultists of Juiblex The Faceless

Zariel

Monsters Mordenkainen Presents: Monsters of the Multiverse

gruesome demon-slaying machines. To replenish her legions, Zariel needs the souls of mortals to create lemure;lemures, which she can then promote to higher forms of devils. She is keenly interested in

cleared away. If Zariel dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. Cultists of Zariel Zariel grants special abilities to

Iggwilv the Witch Queen

Monsters The Wild Beyond the Witchlight

immediately after hers, and can’t summon other demons. They remain until they die or until Iggwilv dismisses them as an action. Spellcasting. Iggwilv casts one of the following spells, requiring

hideous laughter. Tasha’s magic-fueled ambitions brought her into contact with demons and demon lords, which she subjugated and used against her enemies. Tasha became known on the world of

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