before behind diffusing course region

Vampire Infernalist

Monsters Astarion's Book of Hungers

course it is. —Astarion on Vampire Infernalists Vampire Infernalist Lairs Vampire infernalists lurk in gloomy libraries or ritual chambers, far from the sun’s light. The region

Cinder Hulk

Monsters Bigby Presents: Glory of the Giants

Death Burst. When the cinder hulk dies, it leaves behind a cloud of cinders and smoke that fills a 10-foot-radius sphere centered on its space. The sphere is heavily obscured. Any creature that moves

world and steeped themselves in the energy of the Elemental Planes. Over the course of centuries, these giants were transformed into Elementals made of smoke and cinders. Half the size of their giant

Dire Corby

Monsters Mordenkainen's Fiendish Folio Volume 1

predictable patterns of movement like migrating birds. They strip a region bare of the lichens, fungus, and vermin that comprise their diet before moving on to a fresh feeding ground. Underdark

travelers prize accurate charts illustrating the movements of these flocks, since trailing a day behind them all but guarantees that the dire corbies will have cleared out many monsters and other threats

Hexblood

Species Van Richten’s Guide to Ravenloft

unusual crown, often called an eldercross or a witch’s turn. This living, garland-like part of a hexblood’s body extends from their temples and wraps behind the head, serving as a visible

might come to accept over the course of centuries. Once a hexblood undergoes this irreversible ritual, they emerge as a hag NPC no longer under the control of the hexblood’s player, unless the DM rules otherwise.

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

continues down its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic

out cave mouths concealed behind waterfalls, or partly submerged caverns that can be accessed through lakes or streams. Others conceal the entrances to their lairs with vegetation. Lair Actions On

Vargouille

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

’s curse. If the curse is allowed to run its course, an abyssal spirit invades the person’s body, causing a gruesome transformation. Over a period of hours, the victim’s head takes on

Adult Copper Dragon Legacy

Monsters Basic Rules (2014)

the next round, the mud hardens, and the Strength DC to work free increases to 20. Regional Effects The region containing a legendary copper dragon’s lair is warped by the dragon’s magic

amusing. If the dragon dies, the magic carvings fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. The other effects end immediately.Acid

Ancient Red Dragon Legacy

Monsters Basic Rules (2014)

creature is incapacitated. Regional Effects The region containing a legendary red dragon’s lair is warped by the dragon’s magic, which creates one or more of the following effects: Small

’s lair form portals to the Elemental Plane of Fire, allowing creatures of elemental fire into the world to dwell nearby. If the dragon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollAction":"Days","rollType":"roll"} days.Fire

Adult Red Dragon Legacy

Monsters Basic Rules (2014)

incapacitated. Regional Effects The region containing a legendary red dragon’s lair is warped by the dragon’s magic, which creates one or more of the following effects: Small

lair form portals to the Elemental Plane of Fire, allowing creatures of elemental fire into the world to dwell nearby. If the dragon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollAction":"Days","rollType":"roll"} days.Fire

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic taiga

mouths concealed behind waterfalls, or partly submerged caverns that can be accessed through lakes or streams. Others conceal the entrances to their lairs with vegetation. Lair Actions On

Aboleth Legacy

Monsters Basic Rules (2014)

","rollAction":"Conduit of Rage","rollDamageType":"psychic"} psychic damage. The aboleth can’t use this lair action again until it has used a different one. Regional Effects The region containing an

can sense, speak, and use telepathy from the image’s position as if present at that position. If the image takes any damage, it disappears. If the aboleth dies, the first two effects fade over the course of 3d10;{"diceNotation":"3d10","rollAction":"Days","rollType":"roll"} days.

Adult Red Dracolich Legacy

Monsters Monster Manual (2014)

poisoned in this way, a creature is incapacitated. Regional Effects The region containing a legendary red dracolich's lair is warped by the dracolich's magic, which creates one or more of the

of the dracolich's lair form portals to the Elemental Plane of Fire, allowing creatures of elemental fire into the world to dwell nearby. If the dracolich dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days.Fire, PoisonNecrotic

Zargon the Returner

Monsters Quests from the Infinite Staircase

patterns that defy the region’s typical climate. If Zargon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Regional Effect Fade Time"} days.Acid, PoisonCold, Fire; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

can’t be targeted by divination magic or perceived through magical scrying sensors. Slimy Demise. When Zargon dies, its body dissolves into foul slime, leaving only its horn behind. Zargon re

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

places, where they can do as they please without arousing suspicion or fear. Most dwell near idyllic lakes and rivers, mist-shrouded islands, cave complexes hidden behind sparkling waterfalls, or

ends, the creature reappears in the space it left or in the nearest unoccupied space if that one is occupied. Regional Effects The region containing a legendary gold dragon’s lair is warped

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

, where they can do as they please without arousing suspicion or fear. Most dwell near idyllic lakes and rivers, mist-shrouded islands, cave complexes hidden behind sparkling waterfalls, or ancient

creature reappears in the space it left or in the nearest unoccupied space if that one is occupied. Regional Effects The region containing a legendary gold dragon’s lair is warped by the

Adult Amethyst Dragon

Monsters Fizban's Treasury of Dragons

region. If the dragon dies, the populations of aquatic life near the lair return to normal levels over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. The

an ancient dragon resemble glowing white or pale lavender orbs. Crystalline horns reminiscent of amethyst chunks hover behind their heads, held there by telekinetic force and shifting with their moods

Adult White Dragon Legacy

Monsters Basic Rules (2014)

immunity to acid, cold, necrotic, poison, and psychic damage. The wall disappears when the dragon uses this lair action again or when the dragon dies. Regional Effects The region containing a

through a wall, it can do so without slowing down. The portion of the wall the dragon moves through is destroyed, however. If the dragon dies, the fog and precipitation fade within 1 day. The ice walls melt over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days.Cold

Death Tyrant Legacy

Monsters Monster Manual (2014)

region containing a death tyrant’s lair is warped by the creature’s unnatural presence, which creates one or more of the following effects: Creatures within 1 mile of the tyrant’s

’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

Beholder Legacy

Monsters Monster Manual (2014)

rounds in a row. Regional Effects A region containing a beholder’s lair is warped by the creature’s unnatural presence, which creates one or more of the following effects: Creatures

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.

Tiefling Legacy

Species Basic Rules (2014)

. Their skin tones cover the full range of human coloration, but also include various shades of red. Their hair, cascading down from behind their horns, is usually dark, from black or brown to dark red

tieflings, assuming that their infernal heritage has left its mark on their personality and morality, not just their appearance. The reality is that a tiefling’s bloodline doesn’t affect their personality. They are gifted with magic from the infernal realms but chart their own course in life.

Ancient Copper Dragon Legacy

Monsters Basic Rules (2014)

2 feet of movement. On initiative count 20 on the next round, the mud hardens, and the Strength DC to work free increases to 20. Regional Effects The region containing a legendary copper dragon

giggling. Even serious matters suddenly seem amusing. If the dragon dies, the magic carvings fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. The other effects end immediately.Acid

Ancient White Dragon Legacy

Monsters Basic Rules (2014)

immunity to acid, cold, necrotic, poison, and psychic damage. The wall disappears when the dragon uses this lair action again or when the dragon dies. Regional Effects The region containing a

through a wall, it can do so without slowing down. The portion of the wall the dragon moves through is destroyed, however. If the dragon dies, the fog and precipitation fade within 1 day. The ice walls melt over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days.Cold

Orcus Legacy

Monsters Out of the Abyss

disappear or until Orcus releases their grasp (no action required). Regional Effects The region containing Orcus’s lair is warped by the Orcus’s magic, creating one or more of the following

stench of rotting flesh, and buzzing flies grow thick within the region, even when there is no carrion to be found. If a humanoid spends at least 1 hour within 1 mile of the lair, that creature must

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

Monster Manual). These Undead obey his telepathic commands, which can reach anywhere in the lair. Regional Effects The region containing Orcus’s lair is warped by his magic, creating one or more

of the following effects: Charnel Realm. The air is filled with the stench of rotting flesh, and buzzing flies grow thick within the region. Undead Beasts. Dead Beasts periodically animate as

Ancient Amethyst Dragon

Monsters Fizban's Treasury of Dragons

, requiring no spell components and targeting any body of water in that region. If the dragon dies, the populations of aquatic life near the lair return to normal levels over the course of 1d10

glowing white or pale lavender orbs. Crystalline horns reminiscent of amethyst chunks hover behind their heads, held there by telekinetic force and shifting with their moods. Cosmological Study Many

Claugiyliamatar (possessed)

Monsters Divine Contention

the crest that begins near its eyes and continues down its spine, reaching full height just behind the skull. A small wooded region near Westbridge hides many old dwarven ruins and the extensive

concealed behind waterfalls, or partly submerged caverns that can be accessed through lakes or streams. Others conceal the entrances to their lairs with vegetation. Lair Actions On initiative count 20

Zariel Legacy

Monsters Mordenkainen’s Tome of Foes

the effect on itself on a success. Zariel casts her innate fireball spell. Regional Effects. The region containing Zariel’s lair is warped by her magic, which creates one or more of the

;t be cleared away. If Zariel dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days.Necrotic, PoisonCold, Fire, Radiant; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

different one. Regional Effects The region containing an aboleth’s lair is warped by the creature’s presence, which creates one or more of the following effects: Underground surfaces within

disappears. If the aboleth dies, the first two effects fade over the course of 3d10;{"diceNotation":"3d10","rollType":"roll"} days.

Geryon (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

itself if it deals any damage to one or more of its allies. Geryon casts the banishment spell. Regional Effects. The region containing Geryon's lair is warped by his magic, creating one or more of the

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

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

attack can target both the dragon’s spaces at the same time, the dragon is affected only once. Regional Effects The region surrounding an ancient or adult time dragon’s lair is altered by

(your choice). Timelessness. Beasts, Humanoids, and Plants within 3 miles of the lair age only 1 year for every 10 years that pass. If the dragon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.

Veiled Presence

Monsters The Book of Many Things

action. Regional Effects The region containing a villain’s lair is warped by their presence, creating one or more of the following effects: Corruption Abounds. While within 3 miles of the

members of the villain’s organization deal poison damage while within 3 miles of the lair, they ignore the target’s resistance to poison damage. If the villain dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.Necrotic, Radiant

Froghemoth Elder

Monsters Quests from the Infinite Staircase

next turn. While charmed in this way, the target has the incapacitated condition, and its speed is 0. Regional Effects The region within 1 mile of a froghemoth elder’s lair is altered by the

. Wildlife encountered near the lair often sport mutations, such as extra limbs or eyes, glowing secretions, or vestigial tentacles. If the froghemoth elder dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Regional Effect Fade Time"} days.Fire, Lightning

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

hitting him with an attack), there is a 50 percent chance that the illusory duplicate is affected, not Demogorgon, in which case the illusion disappears. Regional Effects The region containing Demogorgon

;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

Riverine

Monsters Journeys through the Radiant Citadel

Fury","rollDamageType":"cold"} cold damage. Regional Effects The region containing a riverine’s lair flourishes under the magic of the riverine’s presence, which creates one or more of

, 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

Otherworldly Corrupter

Monsters The Book of Many Things

poison;{"diceNotation":"6d6","rollType":"damage","rollAction":"Traps (Poison)","rollDamageType":"poison"}, chosen by the villain when the villain uses this action. Regional Effects The region containing

damage while within 3 miles of the lair, they ignore the target’s resistance to poison damage. If the villain dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType

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