been both demons cause realms

Young Spirit Dragon

Monsters Forgotten Realms: Adventures in Faerûn

minute, it succeeds automatically.Curious and self-confident, young spirit dragons can cause trouble for a region’s other denizens, by either unleashing long-buried evils or misusing scarcely

understood ancient magic. Spirit Dragons Spirit dragons, sometimes called song dragons, are powerful dragons whose powers stem from the magic and history of fallen realms. They embody the spirit of

Gideon Lightward

Monsters Baldur’s Gate: Descent into Avernus

Elturel. He sees his cause as a noble one — fighting the demons whose chaos marks the end of all things. But his mind is broken and filled with hatred for those who refuse to follow his commands.Necrotic, PoisonBludgeoning, Piercing, and Slashing from Nonmagical AttacksRadiant

himself to fighting the ever-present threat of demons. Gideon slowly gave up his sanity and free will to the devils, leaving him corrupted by Zariel and fully serving her in the months leading up to

Dybbuk

Monsters Mordenkainen Presents: Monsters of the Multiverse

one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 12): At will: dimension door 3/day: phantasmal forceDybbuks are demons

that terrorize mortals on the Material Plane by possessing corpses and giving them a semblance of life, after which the demons use them to engage in a range of sordid activities. In their natural form

Drow Shadowblade (Summoner Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

, the summoned demon appears in an unoccupied space within 60 feet of its summoner, acts as an ally of its summoner, and can’t summon other demons. It remains for 10 minutes, until it or its

enemies and track down thieves who make off with prized treasures. In the city of Menzoberranzan in the Forgotten Realms, noble houses often employ shadowblades to eliminate rivals from other houses

Drow Shadowblade

Monsters Mordenkainen Presents: Monsters of the Multiverse

Underdark cities from enemies and track down thieves who make off with prized treasures. In the city of Menzoberranzan in the Forgotten Realms, noble houses often employ shadowblades to eliminate rivals from

summoner, acts as an ally of its summoner, and can’t summon other demons. It remains for 10 minutes, until it or its summoner dies, or until its summoner dismisses it as an action. Shadow Step

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

divination magic, perceived through magical scrying sensors, or detected by abilities that sense demons or fiends.Multiattack. Fraz-Urb’luu makes three attacks: one with his bite and two with his

with his tail at a time. Phantasmal Killer (Costs 2 Actions). Fraz-Urb’luu casts phantasmal killer, no concentration required.All demons are liars, but Fraz-Urb’luu is the Prince of

Drow Shadowblade (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

that darkness and cause the target to take 21 (6d6);{"diceNotation":"6d6","rollType":"damage","rollAction":"Multiattack","rollDamageType":"necrotic"} necrotic damage. The drow can dismiss darkness in

demons. It remains for 10 minutes, until it or its summoner dies, or until its summoner dismisses it as an action.

Lich Legacy

Monsters Basic Rules (2014)

. Everything about a lich’s lair reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses

ties), the lich can take a lair action to cause one of the following magical effects; the lich can’t use the same effect two rounds in a row: The lich rolls a d8;{"diceNotation":"1d8","rollType

Demogorgon Legacy

Monsters Out of the Abyss

"} necrotic damage. Maddening Gaze. Demogorgon uses his Gaze action, and must choose either the Beguiling Gaze or the Insanity Gaze effect.Prince of Demons, the Sibilant Beast, and Master of the

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

Exethanter

Monsters Curse of Strahd

the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses, emerging to destroy those who dare to disturb the lich’s work. A lich encountered in

its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative ties), Exethanter can take a lair action to cause one of the following magical effects

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses, emerging to destroy those who dare to disturb

the lich’s work. A lich encountered in its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the lich can take a lair action to cause

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

and traps. Everything about a lich’s lair reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy

initiative ties), the lich can take a lair action to cause one of the following magical effects; the lich can’t use the same effect two rounds in a row: The lich rolls a d8 and regains a spell

Baernaloth

Monsters Planescape: Adventures in the Multiverse

wounded foes alive, sometimes indefinitely, to prolong their suffering. Even striking against a baernaloth brings misery—they can cause an attacker’s old wounds to painfully reopen. All the

while, baernaloths are disturbingly detached, observing their victims’ agony without emotion.A Baernaloth’s Lair Whether in the hopeless realms of Hades or on the rare occasion they lurk

Fraz-Urb'luu

Monsters Mordenkainen Presents: Monsters of the Multiverse

other magical effects. Undetectable. Fraz-Urb’luu can’t be targeted by divination magic, perceived through magical scrying sensors, or detected by abilities that sense demons or

to greater and greater atrocities in the name of their cause, only to eventually reveal his true nature and claim their souls as his own.Fraz-Urb’luu’s Lair Fraz-Urb’luu’s

Interesting Things About the Demon Wastes

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

Interesting Things About the Demon Wastes A variety of fiends inhabit the Wastes, including devils, rakshasas, and demons. These creatures are spawned by Khyber, not the Outer Planes. The Demon

Wastes are riddled with portals to abyssal demiplanes, unearthly realms populated by fiends and other horrors. These inner realms include vast and twisted forests, living oceans, realms of rusted iron, and stranger places.

Unspeakable Horror (Malleable Mass)

Monsters Van Richten’s Guide to Ravenloft

horrors might continue to haunt the misty netherworld between the Domains of Dread, or they might slink forth into other realms to slake unnameable hungers. Customizing a Horror An unspeakable horror

might cause a mist horror to take on a form that combines multiple fears when it encounters a group, like a wolf with snakes for eyes or a drowned giant that resembles an estranged parent. Mist horrors

Unspeakable Horror

Monsters Van Richten’s Guide to Ravenloft

forth into other realms to slake unnameable hungers. Customizing a Horror An unspeakable horror has one of four body compositions, determined by rolling on the Body Composition table. You can roll on

mist horror’s appearance are drawn from the fears of those within 100 feet of it. This might cause a mist horror to take on a form that combines multiple fears when it encounters a group, like a

The Great Dance

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

undulate like a writhing snake. Each time one side gains an advantage, invariably its lines weaken somewhere else. Demons enter the Nine Hells by following the River Styx from the Abyss into Avernus

positions with each passing day. About once every thousand years, the demons close in on the lower reaches of the Styx and portals leading deeper into the Hells. Invariably, the legions of the Nine Hells

Unspeakable Horror (Aberrant Armor)

Monsters Van Richten’s Guide to Ravenloft

other realms to slake unnameable hungers. Customizing a Horror An unspeakable horror has one of four body compositions, determined by rolling on the Body Composition table. You can roll on the Limbs

horror’s appearance are drawn from the fears of those within 100 feet of it. This might cause a mist horror to take on a form that combines multiple fears when it encounters a group, like a wolf

Demons

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

mischievous antics cause disorder and destruction out of proportion to the demons’ small size. Diabolic Demons. Many of the demons of Ravnica are monstrous, winged creatures of human-like form. They are

Demons Just as angels are incarnations of the ideals of justice, demons embody depraved impulses: selfishness, cruelty, hatred, greed, and lust for power. Demons are strongly associated with the Cult

Mortals and Minions

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

along its banks, making any of the Lower Planes the Styx touches a potential battleground. The devils view fighting demons on Avernus as a net benefit for their cause. Although most devils slain there

Mortals and Minions Devils and demons are far from the only combatants in the Blood War. Both sides exploit the Material Plane’s most abundant resource — mortal creatures, whose bodies and souls are

Unspeakable Horror (Loathsome Limbs)

Monsters Van Richten’s Guide to Ravenloft

netherworld between the Domains of Dread, or they might slink forth into other realms to slake unnameable hungers. Customizing a Horror An unspeakable horror has one of four body compositions

them appear to be composed of living mist. Further details of a mist horror’s appearance are drawn from the fears of those within 100 feet of it. This might cause a mist horror to take on a form

Unspeakable Horror (Oozing Organs)

Monsters Van Richten’s Guide to Ravenloft

might slink forth into other realms to slake unnameable hungers. Customizing a Horror An unspeakable horror has one of four body compositions, determined by rolling on the Body Composition table. You

details of a mist horror’s appearance are drawn from the fears of those within 100 feet of it. This might cause a mist horror to take on a form that combines multiple fears when it encounters a

Ki-rin

Monsters Mordenkainen Presents: Monsters of the Multiverse

advancement of just societies. For instance, in the Forgotten Realms, ki-rins rally mostly to Torm, although they also serve his allies Tyr and Ilmater. Ki-rins that serve good deities go wherever they

working behind the scenes, or they might be champions of their master’s cause, out to defeat villainy wherever it is found. When viewed from the outside, a ki-rin’s lair is indistinguishable

Interesting Things About The Wastes

Compendium - Sources->Dungeons & Dragons->Wayfinder's Guide to Eberron

core cosmology, unearthly realms populated by demons. The Ghaash’kala raid these demiplanes to get the supplies they need to survive.

Gnoll Allies

Compendium - Sources->Dungeons & Dragons->Volo's Guide to Monsters

accompanied by other beings of evil. Demons A fang of Yeenoghu is sometimes gifted with the cosmic insight needed to summon forth mindless demons. When Yeenoghu deigns to allow it, a war band might find

itself augmented by some of his favorite demons, such as barlguras, dretches, hezrous, or manes. The Lord of Savagery also has a special affinity for maw demons, which share his insatiable hunger

The Forgotten Realms

Compendium - Sources->Dungeons & Dragons->Lost Mine of Phandelver

The Forgotten Realms Just like a fantasy novel or movie, an adventure is set in a larger world. In fact, the world can be anything that the DM and players can imagine. It could be a swords-and

Forgotten Realms is one such setting, and that’s where the story in this adventure takes place. In the Realms, knights dare the crypts of the fallen dwarf kings of Delzoun, seeking glory and treasure

Scourge of Worlds

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

. Fortunately for their would-be victims, the chaotic evil nature of demons means that they rarely organize in a way to cause such a disturbance. Demons that enter the world are bent on destruction, not

fall. — Iuz the Old The Abyss and its demonic inhabitants are akin to a virus. While most other factions across the planes spread their influence into other realms through conquest, conversion

The Blood War

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide

Hells and the Abyss, though fighting also takes place on the Material Plane, on the planes between those realms on the Great Wheel, and anywhere else demons and devils congregate. Although the intensity

of the conflict waxes and wanes, and the front lines of the war can shift drastically, a moment never goes by when demons and devils aren’t battling each other somewhere in the multiverse. Many demons

Knowledge of Avernus

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

Knowledge of Avernus Characters who research Avernus in Sigil can learn the following: Blood War. Avernus is a major battlefield for the Blood War, the raging conflict between demons and devils. It

. Long ago, Avernus was a tantalizing paradise created by the archdevil Asmodeus to tempt mortals. However, the incursion of the River Styx and hordes of demons ruined that paradise, leaving behind gore

The Demonic Point of View

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

against the Abyss and end its threat forever. Instead, as long as the demons focus most of their efforts on the doorstep of the Nine Hells, realms such as the Seven Heavens and Bytopia are loath to commit

The Demonic Point of View Why do we descend upon the domain of our hated enemies? Because that’s where the fighting is! — Zaadaaak, demon of the Abyss Most other creatures believe demons to be

Modron Marches

Compendium - Sources->Dungeons & Dragons->Monster Manual

result from the Modron Operations table to inspire what effort leads a group of modrons to other realms. Modron Operations 1d8 The Modrons Work To... 1 Create a clockwork outpost to monitor the

a titanic but lost modron device. 6 Remove a forest, mountain, or city before the arrival of a modron procession. 7 Seal off a planar rift or wild magic zone. 8 Wage war with demons, slaadi, or chaotic Fey.

Appendix D: The Planes of Existence

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

run their adventures, all within the relatively mundane realm of the Material Plane. Beyond that plane are domains of raw elemental matter and energy, realms of pure thought and ethos, the homes of

demons and angels, and the dominions of the gods. Many spells and magic items can draw energy from these planes, summon the creatures that dwell there, communicate with their denizens, and allow

Khyber

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

, Khyber spawns demons and monsters to plague the children of Eberron. This might be myth and metaphor, but it’s also a description of fact: there are worlds within the world, realms inhabited by

array of demiplanes, each stranger than the last. When descending into a chasm, you could find a labyrinth inhabited by demons or discover a realm consisting of the guts of a colossal living creature

Warlock Spells

Compendium - Sources->Dungeons & Dragons->Xanathar's Guide to Everything

(necromancy) 1st Level Cause fear (necromancy) 2nd Level Earthbind (transmutation) Mind spike (divination) Shadow blade (illusion) 3rd Level Enemies abound (enchantment) Summon lesser demons

D&D Beyond

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