before build defusing course region

Khoravar

Species Eberron: Forge of the Artificer

Over the course of centuries, those descended from both humans and elves have developed their own communities and traditions in Khorvaire. The rise of House Lyrandar and House Medani has strengthened

philosophy often become bards, diplomats, mediators, or translators. Others, fascinated by their distant connection to the Fey, seek to build bridges between the Material Plane and the Feywild of

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

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

locations on the Material Plane, in the Elemental Planes of Air and Fire, and especially in the Great Conflagration, the border region between those two planes. They retain none of the skills and motivation

Human Legacy

Species Basic Rules (2014)

shorter lives that they strive to achieve as much as they can in the years they are given. Or maybe they feel they have something to prove to the elder races, and that’s why they build their mighty

build cities to last for the ages, and great kingdoms that can persist for long centuries. An individual human might have a relatively short life span, but a human nation or culture preserves

Goliath Werebear

Monsters Icewind Dale: Rime of the Frostmaiden

Build (Humanoid Form Only). The werebear counts as one size larger when determining its carrying capacity and the weight it can push, drag, or lift. Shapechanger. The werebear can use its action to

, Oyaminartok is not a monster but a force of good in the region, and she passes her curse only to goliaths whose hearts are pure. Oyaminartok and others of her kind try to help creatures they come across, for

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

old pathways become impassable or a flock sustains heavy losses in a particular area, dire corbies will sometimes chart a new migratory course. Depending on their new route, a mob of these creatures

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

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

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.

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

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

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

Adult Lunar Dragon

Monsters Spelljammer: Adventures in Space

and heat vents, wild gardens, crystal formations, magical phenomena, or an ecosystem of lesser life forms that have adapted to living with the dragon. Regional Effects The region containing an

of bludgeoning damage. If the dragon dies, the moaning stops, the moon devils dissipate, and the black frost disappears over the course of 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction

Ancient Lunar Dragon

Monsters Spelljammer: Adventures in Space

contain natural springs and heat vents, wild gardens, crystal formations, magical phenomena, or an ecosystem of lesser life forms that have adapted to living with the dragon. Regional Effects The region

cold damage instead of bludgeoning damage. If the dragon dies, the moaning stops, the moon devils dissipate, and the black frost disappears over the course of 1d10;{"diceNotation":"1d10","rollType

Ambitious Assassin

Monsters The Book of Many Things

)","rollDamageType":"poison"}, chosen by the villain when the villain uses this action. Regional Effects The region containing a villain’s lair is warped by their presence, creating one or more of the

to poison damage. If the villain dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.

Adult Crystal Dragon

Monsters Fizban's Treasury of Dragons

above to build their lairs. Then, like gem cutters seeking the perfect diamond, they spend much of their lives refining, polishing, and enhancing the beauty of their lairs. Crystal dragons&rsquo

round. Regional Effects The region surrounding a legendary crystal dragon’s lair is altered by the dragon's magic, creating one or more of the following effects: Clear Skies. The skies above

Ancient Crystal Dragon

Monsters Fizban's Treasury of Dragons

seek out frigid, picturesque locations with clear views of the sky above to build their lairs. Then, like gem cutters seeking the perfect diamond, they spend much of their lives refining, polishing

the glow around any creature fades on initiative count 20 on the next round. Regional Effects The region surrounding a legendary crystal dragon’s lair is altered by the dragon's magic

Adult Topaz Dragon

Monsters Fizban's Treasury of Dragons

sun and have no desire to get wet, beyond enjoying a bit of sea spray in the air. But they love being able to see the water, so they build their lairs on the heights of seaside cliffs or near perfect

sea spray in the air. But they love being able to see the water, so they build their lairs on the heights of seaside cliffs or near perfect sunbathing beaches where they can best accomplish this

Lorthuun

Monsters Out of the Abyss

disappears. The beholder can't repeat an effect until they have all been used, and it can't use the same effect two rounds in a row. Regional Effects A region containing a beholder's lair is warped by

before, harmless slime might coat a statue, and so on. These effects apply only to 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","rollType":"roll"} days.

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

banishment spell. Regional Effects. The region containing Geryon's lair is warped by his magic, creating one or more of the following effects: Intelligent creatures within 1 mile of the lair frequently

. 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

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