regional from creature

Murgaxor

Monsters Strixhaven: A Curriculum of Chaos

. While Murgaxor isn’t blinded, he can see any creature that isn’t an Undead or a Construct within 60 feet of himself, even through total cover, heavily obscured areas, invisibility, or any

creature, it can’t regain hit points until the start of Murgaxor’s next turn. Blood Boil (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Blood Boil"}. Murgaxor

Diderius

Monsters Tyranny of Dragons

"} necrotic damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can’t regain hit points, and its hit point maximum

dies, and its body turns to dust. The curse lasts until removed by the remove curse spell or other magic. Dreadful Glare. Diderius targets one creature he can see within 60 feet of him. If the target

Riverine

Monsters Journeys through the Radiant Citadel

option can be used at a time and only at the end of another creature’s turn. The riverine regains spent legendary actions at the start of its turn. Whirlpool Rush. The riverine uses its

Whirlpool Step. Immediately after it teleports, each creature within 5 feet of the riverine’s destination space takes 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction":"Whirlpool

Ancient Lunar Dragon

Monsters Spelljammer: Adventures in Space

a 90-foot cone. Each creature in the cone must make a DC 21 Constitution saving throw. On a failed save, the creature takes 36 (8d8);{"diceNotation":"8d8","rollType":"damage","rollAction":"Cold

Breath","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t

Froghemoth Elder

Monsters Quests from the Infinite Staircase

+ 7);{"diceNotation":"3d10+7", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"piercing"} piercing damage, and the target is swallowed if it is a Medium or smaller creature. A swallowed

creature has the blinded and restrained conditions, has total cover against attacks and other effects outside the froghemoth, and takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction

Adult Lunar Dragon

Monsters Spelljammer: Adventures in Space

a 60-foot cone. Each creature in the cone must make a DC 18 Constitution saving throw. On a failed save, the creature takes 36 (8d8);{"diceNotation":"8d8","rollType":"damage","rollAction":"Cold Breath

","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t

Juvenile Kraken

Monsters Ghosts of Saltmarsh

","rollDamageType":"piercing"} piercing damage. If the target is a Medium or smaller creature grappled by the kraken, that creature is swallowed and the grapple ends. While swallowed, the creature is blinded and

of each of the kraken’s turns. One Medium or two smaller creatures can be swallowed at the same time. If the kraken takes 35 damage or more on a single turn from a creature inside it, the kraken

Slarkrethel

Monsters Storm King's Thunder

"} piercing damage. If the target is a Large or smaller creature grappled by the kraken, that creature is swallowed, and the grapple ends. While swallowed, the creature is blinded and restrained, it

start of each of the kraken's turns. If the kraken takes 50 damage or more on a single turn from a creature inside it, the kraken must succeed on a DC 25 Constitution saving throw at the end of that

Storm Giant Quintessent

Monsters Mordenkainen Presents: Monsters of the Multiverse

form and hurls it at a creature it can see within 600 feet of it. The javelin deals 19 (3d6 + 9);{"diceNotation":"3d6+9", "rollType":"damage", "rollAction":"Wind Javelin", "rollDamageType":"force

at a time and only at the end of another creature’s turn. The giant regains spent legendary actions at the start of its turn. Gust. The giant targets a creature it can see within 60 feet of it

Balhannoth

Monsters Mordenkainen Presents: Monsters of the Multiverse

transformation lasts until the balhannoth dies or takes this lair action again. Regional Effects A region containing a balhannoth’s lair becomes warped by the creature’s unnatural presence

legendary actions, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature’s turn. The balhannoth regains spent legendary

Ogrémoch

Monsters Princes of the Apocalypse

","rollDamageType":"bludgeoning"} bludgeoning damage. If the target is a creature, it must succeed on a DC 23 Strength saving throw or be knocked prone. Summon Elementals (1/Day). Ogrémoch

the end of another creature’s turn. Ogrémoch regains spent legendary actions at the start of his turn. Illuminating Crystals. Ogrémoch’s crystalline protrusions flare. Each

Aurnozci

Monsters The Book of Many Things

damage on a successful one. A creature must also make this saving throw when it enters the sphere’s area for the first time on a turn or starts its turn there. Regional Effects Xulregg is an

. Each creature in that cone must make a DC 20 Dexterity saving throw, taking 42 (12d6);{"diceNotation":"12d6", "rollType":"damage", "rollAction":"Mucus Spray", "rollDamageType":"acid"} acid damage on a

Merrenoloth

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"fire"} fire damage. Fear Gaze. The merrenoloth targets one creature it can see within 60 feet of it. The target must succeed on a DC 13 Wisdom saving throw or become frightened of the merrenoloth

Medium or smaller creature flies into that area or starts its turn flying there, it must succeed on a DC 13 Strength saving throw or be knocked prone. Propel. A strong wind propels the vessel

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

into a madness determined by the Madness of Fraz-Urb’luu table. A creature that succeeds on this saving throw can’t be affected by this regional effect again for 24 hours. If Fraz-Urb

options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Fraz-Urb’luu regains spent legendary actions at the start of his turn

Dyrrn

Monsters Eberron: Rising from the Last War

’t be affected by this regional effect again for 24 hours. If Dyrrn dies, these effects fade away after 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of DyrrnIf a creature goes mad

Alien Mind. If a creature tries to read Dyrrn’s thoughts or deals psychic damage to it, that creature must succeed on a DC 23 Intelligence saving throw or be stunned for 1 minute. The stunned

Demogorgon Legacy

Monsters Out of the Abyss

descend into a madness determined by the Madness of Demogorgon table. A creature that succeeds on this saving throw can’t be affected by this regional effect again for 24 hours. If Demogorgon dies

"} bludgeoning damage. If the target is a creature, it must succeed on a DC 23 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts

Graz'zt Legacy

Monsters Out of the Abyss

Wisdom saving throw or descend into a madness determined by the Madness of Graz’zt table. A creature that succeeds on this saving throw can’t be affected by this regional effect again for 24

take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Graz’zt regains spent

Zuggtmoy Legacy

Monsters Out of the Abyss

lingers for 1 minute. Any flesh-and-blood creature in the cloud when it appears, or that enters it later, must make a DC 19 Constitution saving throw. On a successful save, the creature can’t be

infected by these spores for 24 hours. On a failed save, the creature is infected with a disease called the spores of Zuggtmoy and also gains a random form of madness (determined by rolling on the Madness

Baernaloth

Monsters Planescape: Adventures in the Multiverse

on a failed save, or half as much damage on a successful one. Regional Effects A region containing a baernaloth’s lair becomes warped by the creature’s unnatural presence, which creates

regional effect for 24 hours. Slow Healing. Within 10 miles of a baernaloth’s lair, a creature other than the baernaloth regains only hit points equal to half its hit point maximum when it finishes

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

","rollDamageType":"necrotic"} necrotic damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can't regain hit points

to 0, the target dies, and its body turns to dust. The curse lasts until removed by the remove curse spell or other magic. Dreadful Glare. The mummy lord targets one creature it can see within 60

Olhydra

Monsters Princes of the Apocalypse

instead. Magic Resistance. Olhydra has advantage on saving throws against spells and other magical effects. Water Form. Olhydra can enter a hostile creature’s space and stop there. She can move

legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Olhydra regains spent legendary actions at the

Valin Sarnaster

Monsters Candlekeep Mysteries

the spell, and the spell has no effect and is wasted. Regional Effects Valin’s tomb is warped in any of the following ways by the creature’s dark presence: Food instantly molders

":"bludgeoning"} bludgeoning damage plus 21 (6d6);{"diceNotation":"6d6","rollType":"damage","rollAction":"Rotting Fist","rollDamageType":"necrotic"} necrotic damage. If the target is a creature, it must

Yeenoghu Legacy

Monsters Out of the Abyss

creature that succeeds on this saving throw can’t be affected by this regional effect again for 24 hours. If Yeenoghu dies, these effects fade over the course of 1d10;{"diceNotation":"1d10

. When Yeenoghu reduces a creature to 0 hit points with a melee attack on his turn, Yeenoghu can take a bonus action to move up to half his speed and make a bite attack.Multiattack. Yeenoghu makes three

Baphomet Legacy

Monsters Out of the Abyss

","rollAction":"Charge","rollDamageType":"piercing"} piercing damage. If the target is a creature, it must succeed on a DC 25 Strength saving throw or be pushed up to 10 feet away and knocked prone

Presence. Each creature of Baphomet’s choice within 120 feet of him and aware of him must succeed on a DC 18 Wisdom saving throw or become frightened for 1 minute. A frightened creature can

Yan-C-Bin

Monsters Princes of the Apocalypse

Air Form. Yan-C-Bin can enter a hostile creature’s space and stop there. He can move through a space as narrow as 1 inch wide without squeezing if air could pass through that space. Empowered

);{"diceNotation":"9d6","rollType":"damage","rollAction":"Thundercrack","rollDamageType":"thunder"} thunder damage and be deafened for 1 minute. On a successful save, a creature takes half as much

Belashyrra

Monsters Eberron: Rising from the Last War

on itself on a success. If a creature’s saving throw is successful or the effect ends for it, the creature is immune to this lair action for the next 24 hours. Regional Effects. Belashyrra

madness (see “Madness of Belashyrra” below). A creature that succeeds on this saving throw can’t be affected by this regional effect again for 24 hours. If Belashyrra dies, these

Orcus Legacy

Monsters Out of the Abyss

succeed on a DC 23 Wisdom saving throw or descend into a madness determined by the Madness of Orcus table. A creature that succeeds on this saving throw can’t be affected by this regional effect

legendary action option can be used at a time and only at the end of another creature’s turn. Orcus regains spent legendary actions at the start of his turn. Tail. Orcus makes one tail attack

Ancient Deep Crow

Monsters Acquisitions Incorporated

":"slashing"} slashing damage. Shadow Caw. The ancient deep crow releases an ear-splitting caw. Each creature within 60 feet of the crow and able to hear it must make a DC 17 Constitution saving throw

. On a failure, a creature takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Shadow Caw","rollDamageType":"psychic"} psychic damage.The ancient deep crow can take 3 legendary

Zargon the Returner

Monsters Quests from the Infinite Staircase

., one target. Hit: 15 (2d8 + 6);{"diceNotation":"2d8+6", "rollType":"damage", "rollAction":"Barbed Tentacle", "rollDamageType":"piercing"} piercing damage. If the target is a Large or smaller creature

, it has the grappled condition (escape DC 20), and Zargon can pull the creature up to 20 feet straight toward itself. Zargon has six tentacles, each of which can grapple one creature. Zargon can move

Morkoth

Monsters Mordenkainen Presents: Monsters of the Multiverse

","rollType":"damage","rollAction":"Tentacles","rollDamageType":"bludgeoning"} bludgeoning damage, and the target is grappled (escape DC 14) if it is a Large or smaller creature. Until this grapple ends, the

, and the morkoth can’t use its tentacles on another target. Hypnosis. The morkoth projects a 30-foot cone of magical energy. Each creature in that area must make a DC 17 Wisdom saving throw. On a

Halaster Blackcloak

Monsters Waterdeep: Dungeon of the Mad Mage

).Halaster can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Halaster regains spent

master of Undermountain, Halaster can alter the entire dungeon to some extent. His lair actions and regional effects don’t extend beyond Undermountain. Lair Actions On initiative count 20

Otherworldly Corrupter

Monsters The Book of Many Things

Alien Mind. Magic and other features can’t determine the corrupter’s creature type. If a creature tries to read the corrupter’s thoughts, that creature must succeed on a DC 20

Intelligence saving throw or have the stunned condition for 1 minute. The stunned creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Legendary

Juiblex Legacy

Monsters Out of the Abyss

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

Foul. Any creature, other than an ooze, that starts its turn within 10 feet of Juiblex must succeed on a DC 21 Constitution saving throw or be poisoned until the start of the creature’s next

Imix

Monsters Princes of the Apocalypse

":"roll","rollAction":"Destruction Chance"} that any container of fluid held or carried by an affected creature (for example, a magic potion) is destroyed. Regional Effects The region containing an

, each creature within 10 feet of him takes 17 (5d6);{"diceNotation":"5d6","rollType":"damage","rollAction":"Fire Aura","rollDamageType":"fire"} fire damage, and flammable objects in the aura that aren

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"3d12+9", "rollType":"damage", "rollAction":"Tentacle", "rollDamageType":"force"} force damage. If the target is a creature, it must succeed on a DC 23 Constitution saving throw, or its hit point

magical gaze toward one creature he can see within 120 feet of him. The target must succeed on a DC 23 Wisdom saving throw or suffer one of the following effects (choose one or roll a d6

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