before being dark cube rounds

Mordenkainen's Private Sanctum

Spells Player’s Handbook

You make an area within range magically secure. The area is a Cube that can be as small as 5 feet to as large as 100 feet on each side. The spell lasts for the duration. When you cast the spell, you

area appears dark and foggy, preventing vision (including Darkvision) through it. Sensors created by Divination spells can’t appear inside the protected area or pass through the barrier at its

Private Sanctum Legacy

Spells Basic Rules (2014)

You make an area within range magically secure. The area is a cube that can be as small as 5 feet to as large as 100 feet on each side. The spell lasts for the duration or until you use an action to

warded area. The barrier of the warded area appears dark and foggy, preventing vision (including darkvision) through it. Sensors created by divination spells can't appear inside the protected area or

Mordenkainen's Private Sanctum Legacy

Spells Player’s Handbook (2014)

You make an area within range magically secure. The area is a cube that can be as small as 5 feet to as large as 100 feet on each side. The spell lasts for the duration or until you use an action to

warded area. The barrier of the warded area appears dark and foggy, preventing vision (including darkvision) through it. Sensors created by divination spells can't appear inside the protected area or

Death Tyrant Legacy

Monsters Monster Manual (2014)

the target is a Huge or larger object or creation of magical force, this ray disintegrates a 10-foot cube of it. Death Ray. The targeted creature must succeed on a DC 17 Dexterity saving throw or

cube within 120 feet of the tyrant is filled with spectral eyes and tentacles. To creatures other than the death tyrant, that area is lightly obscured and difficult terrain until initiative count 20 on

Brigganock

Monsters The Wild Beyond the Witchlight

brigganock, or any object being worn or carried by another creature, and the activity must take place within a 10-foot cube. For example, the brigganock could use this action to rapidly carve a

brigganock see in the dark. Brigganocks have minor spellcasting abilities that help them survive. They also have the ability to manipulate time, allowing them to accomplish hour-long tasks in a matter of

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Grasping roots and vines

);{"diceNotation":"1d6","rollType":"damage","rollAction":"Thicket","rollDamageType":"piercing"} piercing damage from thorns.Each 10-foot-cube of thickets has AC 5, 30 hit points, resistance to bludgeoning and

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Grasping roots and

);{"diceNotation":"1d6","rollType":"damage","rollAction":"Thickets","rollDamageType":"piercing"} piercing damage from thorns.Each 10-foot-cube of thickets has AC 5, 30 hit points, resistance to bludgeoning

Beholder Legacy

Monsters Monster Manual (2014)

object or creation of magical force, this ray disintegrates a 10-foot cube of it. Death Ray. The targeted creature must succeed on a DC 16 Dexterity saving throw or take 55 (10d10);{"diceNotation

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

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

initiative count 20 (losing initiative ties), Geryon can take a lair action to cause one of the following effects; he can't use the same effect two rounds in a row: Geryon causes a blast of cold to burst

from the ground at a point he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving

Mummy Lord Legacy

Monsters Basic Rules (2014)

On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row. Each

. Regional Effects A mummy lord’s temple or tomb is warped in any of the following ways by the creature’s dark presence: Food instantly molders and water instantly evaporates when brought

Graz'zt Legacy

Monsters Out of the Abyss

Dark Prince is a warning that not all beautiful things are good. Standing nearly nine feet tall, Graz’zt strikes the perfect figure of untamed desire, every plane and curve of his body, every

pleasure palaces where nothing is forbidden, save moderation or kindness. The dark Prince of Pleasure considers restriction the only sin, and takes what he wants. Cults devoted to him are secret societies

Ambitious Assassin

Monsters The Book of Many Things

, filling a 10-foot cube within 5 feet of the assassin. Each creature of the assassin’s choice in that area takes 9 (2d8);{"diceNotation":"2d8", "rollType":"damage", "rollAction":"Vanishing Escape

; the villain can’t take the same lair action two rounds in a row: Distraction. A shrill sound fills the lair. Creatures that can hear it must succeed on a DC 15 Constitution saving throw or

Valin Sarnaster

Monsters Candlekeep Mysteries

as the immortal heir of Savras’s realm. The Canopic Being came into her possession years ago, and an obsession with the dark rituals therein set the oracle on her present course. Valin has

effects; Valin can’t use the same effect two rounds in a row. Each undead creature in the lair can pinpoint the location of each living creature within 120 feet of it until initiative count 20

Geryon (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

initiative ties), Geryon can take a lair action to cause one of the following effects; he can't use the same effect two rounds in a row: Geryon causes a blast of cold to burst from the ground at a point

he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving throw or take 28 (8d6

Claugiyliamatar (possessed)

Monsters Divine Contention

exhales dark energy in a 90--foot cone. Each creature in that area must make a DC 22 Constitution saving throw, taking 77 (22d6);{"diceNotation":"22d6","rollType":"damage","rollAction":"Necrotic

(losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Grasping roots and vines erupt in a 20

Diderius

Monsters Tyranny of Dragons

; the mummy lord can’t use the same effect two rounds in a row. Each undead creature in the lair can pinpoint the location of each living creature within 120 feet of it until initiative count 20

’s temple or tomb is warped in any of the following ways by the creature’s dark presence: Food instantly molders and water instantly evaporates when brought into the lair. Other nonmagical

Arasta

Monsters Mythic Odysseys of Theros

":"recharge","rollAction":"Web of Hair"}. Arasta unleashes her hair in the form of webbing that fills a 30-foot cube next to her. The web is difficult terrain, its area is lightly obscured, and it lasts for 1

5-foot cube of the web is destroyed if it takes at least 20 fire damage from a spell or other magical source on a single turn.Arasta can take 3 legendary actions, choosing from the options below

Darkweaver

Monsters Planescape: Adventures in the Multiverse

dark locales throughout the multiverse, including Undersigil and the windswept darkness of Pandemonium. A darkweaver lurks in the shadows of its lair, waiting for hapless prey to pass by. When a target

darkweaver can’t take the same lair action two rounds in a row: Extinguish. All nonmagical flames within 30 feet of the darkweaver are extinguished. In addition, if this area overlaps with an

Artus Cimber

Monsters Tomb of Annihilation

additional 20 feet, or make the gem go dark. Turn the dagger into a compass that, while resting on Artus’s palm, points north. Cast dimension door from the dagger. Once this property is used

charges). The ice object can’t have any moving parts, must be able to fit inside a 10-foot cube, and has the density and durability of metal or stone (Artus’s choice). The ice creature

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

curse on a success.The transformation into a demilich isn’t a bitter end for all liches that experience it. Made as a conscious choice, the path of the demilich becomes the next step in a dark

Action"}. On a result of 11 or higher, the demilich takes a lair action to cause one of the following effects. It can’t use the same effect two rounds in a row. The tomb trembles violently for

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

following lair actions; he can’t take the same lair action two rounds in a row: Banish. Geryon casts the banishment spell. Chill Blast. Geryon causes a blast of cold to burst from the ground

at a point he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving throw or take

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

one of the following lair actions; he can’t take the same lair action two rounds in a row: Banish. Geryon casts the banishment spell. Chill Blast. Geryon causes a blast of cold to burst from the

ground at a point he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving throw

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

that of a great gargoyle, some 12 feet tall, with an extended, muscular neck and a smiling face framed by long, pointed ears and lank, dark hair, and bat-like wings are furled against his powerful

’t use the same effect two rounds in a row: Fraz-Urb’luu causes up to 5 doors within the lair to become walls, and an equal number of doors to appear on walls where there previously were

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row. Each undead creature in the lair can pinpoint the location of each

following ways by the creature’s dark presence: Food instantly molders and water instantly evaporates when brought into the lair. Other nonmagical drinks are spoiled — wine turning to

Fraz-Urb'luu

Monsters Mordenkainen Presents: Monsters of the Multiverse

an extended, muscular neck; a smiling face framed by long, pointed ears and lank, dark hair; and bat-like wings are furled against his powerful shoulders. He can assume other forms, however, from the

’t use the same effect two rounds in a row: Conjure Walls and Doors. Fraz-Urb’luu causes up to five doors within the lair to become walls and an equal number of doors to appear on walls where

Claugiyliamatar

Monsters Storm King's Thunder

effect two rounds in a row: Grasping roots and vines erupt in a 20-foot radius centered on a point on the ground that the dragon can see within 120 feet of it. That area becomes difficult terrain, and

contact with the thickets or take 3 (1d6);{"diceNotation":"1d6","rollType":"damage","rollAction":"Thorns","rollDamageType":"piercing"} piercing damage from thorns.Each 10-foot-cube of thickets has AC 5

Hythonia

Monsters Mythic Odysseys of Theros

worshipers dedicated to Pharika previously hoarded secrets and engaged in dark rituals. Island of Potent Magic. Although Skathos’s location remains a mystery, stories tell of the island’s

. Lair Actions On initiative count 20 (losing initiative ties), Hythonia can take a lair action to cause one of the following effects. She can’t use the same effect two rounds in a row

Unspeakable Horror (Aberrant Armor)