poison regional

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

Legendary Resistance (2/Day). If the assassin fails a saving throw, it can choose to succeed instead.Multiattack. The assassin makes two Poison Blade attacks. Poison Blade. Melee or Ranged Weapon

Enchanting Infiltrator

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

can’t be targeted by divination magic or features that would read its mind or determine its creature type.Multiattack. The infiltrator makes two Poison Blade attacks and can use Beguiling

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

hit points, and immunity to poison and psychic damage. Traps. Traps target up to two creatures the villain can see in the lair. Each target must succeed on a DC 15 Dexterity saving throw or be struck

Juvenile Kraken

Monsters Ghosts of Saltmarsh

","rollAction":"Ink Cloud","rollDamageType":"poison"} poison damage on a failed save or half as much damage on a successful one. A strong current disperses the cloud, which otherwise disappears at the end of

","rollAction":"Charged Water","rollDamageType":"lightning"} lightning damage on a failed save, or half as much damage on a successful one. Regional Effects The region containing a kraken’s lair is

Aurnozci

Monsters The Book of Many Things

", "rollDamageType":"piercing"} piercing damage and 16 (3d10);{"diceNotation":"3d10", "rollType":"damage", "rollAction":"Insect Swarm", "rollDamageType":"poison"} poison damage on a failed save, or half as much

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

Slarkrethel

Monsters Storm King's Thunder

);{"diceNotation":"3d10","rollType":"damage","rollAction":"Ink Cloud","rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. A strong current disperses the

","rollDamageType":"lightning"} lightning damage on a failed save, or half as much damage on a successful one. Regional Effects The region containing a kraken’s lair is warped by the

Veiled Presence

Monsters The Book of Many Things

holding it is destroyed. Each snare has AC 11, 10 hit points, and immunity to poison and psychic damage. Traps. Traps target up to two creatures the villain can see in the lair. Each target must

":"Traps (Fire)","rollDamageType":"fire"}, or poison;{"diceNotation":"7d6","rollType":"damage","rollAction":"Traps (Poison)","rollDamageType":"poison"}, chosen by the villain when the villain uses this

Orcus Legacy

Monsters Out of the Abyss

damage plus 9 (2d8);{"diceNotation":"2d8","rollType":"damage","rollAction":"Tail","rollDamageType":"poison"} poison damage.Orcus can take 3 legendary actions, choosing from the options below. Only one

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

Diderius

Monsters Tyranny of Dragons

destroyed, these regional effects end immediately.Necrotic, Poison; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksFire

, it must make a DC 16 Constitution saving throw. On a failed save, it takes 1d6 necrotic damage per level of the spell, and the spell has no effect and is wasted. Regional Effects A mummy lord

Zuggtmoy Legacy

Monsters Out of the Abyss

":"Pseudopod","rollDamageType":"poison"} poison damage. Infestation Spores (3/Day). Zuggtmoy releases spores that burst out in a cloud that fills a 20-foot-radius sphere centered on her, and it

lair, instead of on herself. Regional Effects The region containing Zuggtmoy’s lair is warped by her magic, creating one or more of the following effects: Molds and fungi grow on surfaces

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"Pseudopod", "rollDamageType":"poison"} poison damage. Spellcasting. Zuggtmoy casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell

herself. Regional Effects The region containing Zuggtmoy’s lair is warped by her magic, creating one or more of the following effects: Corrupted Nature. Within 6 miles of the lair, all Wisdom

Claugiyliamatar

Monsters Storm King's Thunder

","rollType":"damage","rollAction":"Bite","rollDamageType":"poison"} poison damage. Claw. Melee Weapon Attack: +15;{"diceNotation":"1d20+15","rollType":"to hit","rollAction":"Claw"} to hit, reach 10 ft., one

to the dragon's Frightful Presence for the next 24 hours. Poison Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Poison Breath"}. The dragon exhales poisonous gas in a

Juiblex Legacy

Monsters Out of the Abyss

","rollDamageType":"poison"} poison damage, and the target is slimed. Until the slime is scraped off with an action, the target is poisoned, and any creature, other than an ooze, is poisoned while within 10 feet

Guide) appears on a spot on the ceiling that Juiblex chooses within the lair. The slime disintegrates after 1 hour. Regional Effects The region containing Juiblex’s lair is warped by its

Demogorgon Legacy

Monsters Out of the Abyss

doesn’t need to concentrate on the spells, which end on initiative count 20 of the next round. Regional Effects The region containing Demogorgon’s lair is warped by his magic

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

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

take 33 (6d10) psychic damage. Regional Effects The region containing Fraz-Urb’luu’s lair is warped by his magic, creating one or more of the following effects: Intelligent

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

Graz'zt Legacy

Monsters Out of the Abyss

(Stealth) checks made to hide. Regional Effects The region containing Graz’zt’s lair is warped by his magic, creating one or more of the following effects: Flat surfaces within 1 mile of

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

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

Constitution saving throw or take 13 (2d12);{"diceNotation":"2d12","rollType":"damage","rollAction":"Stinger","rollDamageType":"poison"} poison damage and become poisoned until it finishes a short or

long rest. The target’s hit point maximum is reduced by an amount equal to half the poison damage taken. This reduction lasts until the poisoned condition is removed. The target dies if its hit

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

returned. The cursed target has disadvantage on all saving throws. The curse lasts until removed by a remove curse spell or other magic. If the mummy lord is destroyed, these regional effects end immediately.Necrotic, Poison; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksFire

Action","rollDamageType":"necrotic"} necrotic damage per level of the spell, and the spell has no effect and is wasted. Regional Effects A mummy lord’s temple or tomb is warped in any of the

Dyrrn

Monsters Eberron: Rising from the Last War

each time it fails the saving throw for this lair action. The target dies if its Intelligence score is reduced to 0. The reduction lasts until the target finishes a short or long rest. Regional

’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

Yeenoghu Legacy

Monsters Out of the Abyss

, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Regional Effects The region containing Yeenoghu’s lair is warped by his

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

Baphomet Legacy

Monsters Out of the Abyss

that is no longer in any dimension than 100 feet. The effect ends on the next initiative count 20. Regional Effects The region containing Baphomet’s lair is warped by his magic, creating one or

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

Yan-C-Bin

Monsters Princes of the Apocalypse

destroyed or banished back to his home plane, the regional effects fade over the next 1d10;{"diceNotation":"1d10","rollType":"roll"} days.Lightning, Poison, ThunderCold, Fire; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

or be blinded until initiative count 20 on the next round. Regional Effects When Yan-C-Bin inhabits an elemental node, the air is at his command. Temperatures fluctuate from blistering hot to

Valin Sarnaster

Monsters Candlekeep Mysteries

cursed target has disadvantage on all saving throws. The curse lasts until removed by a remove curse spell or other magic. If Valin is destroyed, these regional effects end immediately.Necrotic, Poison; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksFire

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

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

Constitution saving throw or take 13 (2d12);{"diceNotation":"2d12","rollType":"damage","rollAction":"Stinger","rollDamageType":"poison"} poison damage and become poisoned until it finishes a short or

long rest. The target’s hit point maximum is reduced by an amount equal to half the poison damage taken. This reduction lasts until the poisoned condition is removed. The target dies if its hit

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

);{"diceNotation":"4d6+7","rollType":"damage","rollAction":"Corrupting Touch","rollDamageType":"poison"} poison damage, and the target is slimed. Until the slime is scraped off with an action, the target is

);{"diceNotation":"4d10","rollType":"damage","rollAction":"Sticky Slime","rollDamageType":"fire"} fire damage. Regional Effects The region containing Juiblex’s lair is warped by its magic

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"poison"} poison damage. Necrotic Bolt. Ranged Spell Attack: +15;{"diceNotation":"1d20+15", "rollType":"to hit", "rollAction":"Necrotic Bolt"} to hit, range 120 ft., one target. Hit: 29 (5d8 + 7

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

Zargon the Returner

Monsters Quests from the Infinite Staircase

the poisoned condition). On a failed save, the creature takes 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Slime Spray", "rollDamageType":"poison"} poison damage. On a successful

again. Regional Effects The region containing Zargon’s lair is warped by Zargon’s unnatural presence, creating one or more of the following effects: Arcane Enervation. Enemies of Zargon

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

has advantage on all Intelligence, Wisdom, and Charisma saving throws. Poison; Bludgeoning, Piercing, and Slashing that is NonmagicalCold, Fire, Lightning

Scion of Surtur

Monsters Bigby Presents: Glory of the Giants

points, and it is immune to fire, poison, and psychic damage. On a successful save, a creature takes half as much damage only.A scion of Surtur slumbering at the peak of a volcano causes an unending

lava in its mighty hand and schemes to resume its ancient campaigns of conquest, preferably at the head of a fire giant army. Regional Effects The region surrounding a scion of Surtur is altered by

Hythonia

Monsters Mythic Odysseys of Theros

damage plus 4 (1d8);{"diceNotation":"1d8","rollType":"damage","rollAction":"Claws","rollDamageType":"poison"} poison damage. Constrict. Melee Weapon Attack: +11;{"diceNotation":"1d20+11","rollType

creature has disadvantage on Intelligence checks and Intelligence saving throws, and it behaves as if under the effect of the confusion spell. Regional Effects The region containing Hythonia’s

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

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

. Dwarven Resilience. Zorak has resistance to poison damage and advantage on saving throws against poison.Multiattack. Zorak makes two attacks with his dwarven thrower, only one of which can be a ranged

its coffin in an underground crypt or vault guarded by vampire spawn or other loyal creatures of the night. Regional Effects The region surrounding a vampire's lair is warped by the creature's

Arasta

Monsters Mythic Odysseys of Theros

","rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. If the damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even

(Costs 3 Actions). Each creature restrained by Arasta’s Web of Hair takes 18 (4d8);{"diceNotation":"4d8","rollType":"damage","rollDamageType":"poison"} poison damage.A victim of the gods&rsquo

Ancient Deep Dragon

Monsters Fizban's Treasury of Dragons

", "rollType":"damage", "rollAction":"Toxic Spores", "rollDamageType":"poison"} poison damage and be poisoned until the end of its next turn. Regional Effects The region surrounding a legendary deep dragon

", "rollDamageType":"piercing"} piercing damage plus 11 (2d10);{"diceNotation":"2d10", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"poison"} poison damage. Claw. Melee Weapon Attack: +12

Claugiyliamatar (possessed)

Monsters Divine Contention

);{"diceNotation":"3d6","rollType":"damage","rollAction":"Bite","rollDamageType":"poison"} poison damage. Claw. Melee Weapon Attack: +15;{"diceNotation":"1d20+15","rollType":"to hit","rollAction":"Claw"} to hit

controlled by a green dragon is easy to spot. A perpetual fog hangs in the air in a legendary green dragon’s wood, carrying an acrid whiff of the creature’s poison breath. The moss-covered

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