both before demon course renowned

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

Sythian Skalderang

Monsters Keys from the Golden Vault

successful one.Sythian Skalderang has been blessed by the demon lord Graz’zt. Graz’zt’s gift to Sythian manifests in several ways, including Sythian’s ability to conjure

became a mediocre one instead, despite the help of several renowned tutors. Years later, Sythian resents their efforts, as the money his parents lavished on his education left him with many unpaid debts

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

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

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

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

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

Orcus Legacy

Monsters Out of the Abyss

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

again for 24 hours. If Orcus dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Orcus If a creature goes mad in Orcus’s lair or

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

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

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

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

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

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

Undead mockeries of their former selves. Skeletal and zombie versions of local wildlife are commonly seen in the area. If Orcus dies, these effects fade over the course of 1d10;{"diceNotation":"1d10

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

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

this demon lord is a warning that not all that is beautiful is good. Every plane and curve of his nine-foot-tall body, every glance of his burning eyes, promises a mixture of pleasure and pain. Graz

are made of stone or metal become highly reflective, as though polished to a shine. These surfaces become supernaturally mirrorlike. If Graz’zt dies, these effects fade over the course of 1d10

Ancient Dragon Turtle

Monsters Fizban's Treasury of Dragons

renowned for its sauna, until the dragon turtle supplying the steam escaped and started rampaging through the palace. 6 A millennium ago, a fabled sword was buried at sea with its wielder. Now the

water within 6 miles of the dragon turtle’s lair to 100 degrees Fahrenheit. If the dragon turtle dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll

Adult Crystal Dragon

Monsters Fizban's Treasury of Dragons

. 7 A revenant persuades an adult crystal dragon to help get revenge on the frost giant;frost giants who murdered her. 8 An adult crystal dragon teaches astronomy to students of a renowned

the lair returns to normal levels over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. The increased Hit Die recovery ends immediately. The existing abundance of

Readying the Plan

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

Readying the Plan Over the course of their adventures, the characters have collected the components needed to create the talisman at the center of Vizeran DeVir’s summoning ritual: The intact and

different angels (from the petrified angels in the Labyrinth in chapter 14) The heart of a goristro (from the demon slain by Yeenoghu in chapter 14) Thirteen timmasks sprouted from the footprint of a

Action Stations

Compendium - Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus

machine’s engine is on, the driver can use an action to propel the vehicle up to its speed or bring the vehicle to a dead stop. While the vehicle is moving, the driver can steer it along any course

. If the driver is incapacitated, leaves the helm, or does nothing to alter the infernal war machine’s course and speed, the vehicle moves in the same direction and at the same speed as it did during the

Running This Chapter

Compendium - Sources->Dungeons & Dragons->Vecna: Eve of Ruin

later in this chapter). The characters learn a sobering fact from the renowned wizards Alustriel Silverhand, Mordenkainen, and Tasha: the lich-god Vecna is planning to remake the multiverse and emerge

Underdark in Faerûn, where the first piece of the rod is hidden in Web’s Edge, a secret haven for cultists of the demon-god Lolth.

Artifacts

Compendium - Sources->Dungeons & Dragons->Mythic Odysseys of Theros

Artifacts Miraculous relics fill the tales of Theros. Among these legendary items, none are more renowned than the weapons of the gods themselves. These artifacts embody divine will and the power of

Nyx. Where they appear, these weapons change the tide of wars and the course of history. Typically a deity bestows their weapon only on a favored champion or devotee. Depending on the champion’s piety

Yeenoghu's Hunt

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

Yeenoghu’s Hunt About twelve miles from their encounter with the modrons, as they travel through the Labyrinth, the characters hear sounds of howling in the distance off and on over the course of

gnolls and hyenas surrounds a demon standing nearly twenty feet tall, with massive arms, clawed hands, cloven hooves, and the head of a bull. This is a goristro, whose heart Vizeran DeVir has instructed

Chaos Incarnate

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

Demonweb Pits with three eyes and vestigial wings. A chasme might appear on the layer of Azzagrat possessing the ability to belch forth clouds of flies. If a demon survives for centuries, it

accumulates changes to its form due to interaction with the energies of the Abyss. These long-lived demons often become demon lords, beings of such power that they can hold sway over entire realms within the

Yeenoghu

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

meanderings of a storm. He and his cultists pass through an area like a monstrous hurricane whose course can never be predicted. Of all the demon lords, Yeenoghu has made the greatest mark on the

Features of Meletis

Compendium - Sources->Dungeons & Dragons->Mythic Odysseys of Theros

learning, but the preeminent academy for philosophers and mages is the Dekatia. Students who display remarkable promise over the course of their earlier education can go on to spend up to ten years in

arduous training at the Dekatia, apprenticed to master priests, thaumaturges, philosophers, and military heroes. Those who manage to complete this decade of training are renowned as the wisest of the

Rage of Demons

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

of light. The demons are coming. The demon lords described in appendix D of this adventure all appear in the final battle, with the following exceptions: If Fraz-Urb’luu was not sent back to the

Abyss in chapter 9, his gemstone is hurled into the fray by Vizeran’s ritual. Unless the characters retrieve it, another demon lord steps on the gem, destroys it, and sends Fraz-Urb’luu’s spirit back to

Humans

Compendium - Sources->Dungeons & Dragons->Eberron: Rising from the Last War

aggressive, always pushing their limits and pursuing new ideas. Humans prove extremely diverse; a barbarian from the Demon Wastes has little in common with a Brelish rogue. When creating a human character

the Mourning and is now stranded with no home 4 A barbarian from the Demon Wastes who repented from a life of cruelty and hopes to atone for past evils 5 A kindly druid from the Eldeen Reaches who wants

Tanarukk

Compendium - Sources->Dungeons & Dragons->Monsters of the Multiverse

followers’ strength. The demon lord Baphomet (appears in this book) gladly shares the secret of creating tanarukks with those who entreat him for power; the cult of Gruumsh has also mastered a ritual for

rampage, attempting to take over by force. Most such coups fail but are costly nonetheless. If a tanarukk does seize the leadership of a group, reckless raiding or even war is the course they inevitably

Scourge of Worlds

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

full-fledged demonic incursion takes time to develop. A demon prince might rampage across a world for a few days or weeks before returning home, but that event doesn’t qualify as an incursion. After

the demon is banished, the world suffers no long-term effects, aside from the destruction wrought by the demon. But if demons can dwell undisturbed on a plane for a period of time, their continued

Cult of Rakdos

Compendium - Sources->Dungeons & Dragons->Guildmasters' Guide to Ravnica

everyone, and since order tends inevitably toward chaos, the Rakdos believe that unrestrained, moment-to-moment hedonism is the only sane way to live. Of course, few other Ravnicans would describe

the Rakdos as sane. The Cult of Rakdos bears the name of the demon lord who founded it. As laid out in the Guildpact, the guild was intended to fill roles concerning entertainment, mining, and manual

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