before being dropping centered rounds

Stinking Cloud Legacy

Spells Basic Rules (2014)

You create a 20-foot-radius sphere of yellow, nauseating gas centered on a point within range. The cloud spreads around corners, and its area is heavily obscured. The cloud lingers in the air for the

retching and reeling. Creatures that don't need to breathe or are immune to poison automatically succeed on this saving throw. A moderate wind (at least 10 miles per hour) disperses the cloud after 4 rounds. A strong wind (at least 20 miles per hour) disperses it after 1 round.

Amble

Monsters Locathah Rising

Hearth of Moonlight and Shadow. At the start of a short or long rest, Amble can touch a point in space, and an invisible, 30-foot-radius sphere of magic appears, centered on that point. Total cover

dropping to 0 hit points, any excess damage carries over their normal form. Amble can't cast spells, and their ability to speak or take any action that requires hands is limited to the capabilities of

Githzerai Anarch Legacy

Monsters Mordenkainen’s Tome of Foes

action to cause one of the following effects; the anarch can’t use the same effect two rounds in a row: The anarch casts the lightning bolt spell (at 5th level), but the anarch can change the

anarch’s lair is warped by its presence, which creates one or more of the following effects: In Limbo, the anarch can spend 10 minutes stabilizing a 5-mile area centered on it, causing the

Githzerai Anarch

Monsters Mordenkainen Presents: Monsters of the Multiverse

count 20 (losing initiative ties), the anarch can take one of the following lair actions; the anarch can’t take the same lair action two rounds in a row: Create Object. The anarch casts the

: Form Substance. In Limbo, the anarch can spend 10 minutes stabilizing a 5-mile area centered on it, causing the unformed substance to take whatever inanimate form the anarch chooses. During that

Orthon

Monsters Mordenkainen Presents: Monsters of the Multiverse

choice; the orthon can’t use the same effect two rounds in a row: Acid. The target must make a DC 17 Constitution saving throw, taking 17 (5d6);{"diceNotation":"5d6", "rollType":"damage

knows which one, but not the exact location there.Explosive Retribution. In response to dropping to 15 hit points or fewer, the orthon explodes. All other creatures within 30 feet of it must each make

Storm Giant Quintessent Legacy

Monsters Volo's Guide to Monsters

can take a lair action to cause one of the following effects; the giant can't use the same effect two rounds in a row: The giant creates a thunderclap centered on a point anywhere in its lair. Each

within water) centered on a point anywhere in its lair. The sphere spreads around corners, and its area is heavily obscured. The fog lasts until the giant disperses it (no action required), and it can't

Adult Black Dragon Legacy

Monsters Basic Rules (2014)

; the dragon can’t use the same effect two rounds in a row: Pools of water that the dragon can see within 120 feet of it surge outward in a grasping tide. Any creature on the ground within 20

feet of such a pool must succeed on a DC 15 Strength saving throw or be pulled up to 20 feet into the water and knocked prone. A cloud of swarming insects fills a 20-foot-radius sphere centered on a

Adult Red 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: Magma erupts from a

cloud in a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The sphere spreads around corners, and its area is lightly obscured. It lasts until initiative count 20 on

Hythonia

Monsters Mythic Odysseys of Theros

ground in a 30-foot radius centered on her. The area becomes difficult terrain until the start of her next turn. Any creature, other than Hythonia, takes 9 (2d8);{"diceNotation":"2d8","rollType":"damage

medusa rising up anew, the last of her shed skin dropping away, revealing glistening, unscarred scales. Fighting Hythonia as a mythic encounter is equivalent to taking on two challenge rating 17

Adult Blue Dragon Legacy

Monsters Basic Rules (2014)

effect two rounds in a row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10

unable to breathe or stand up. A creature can take an action to make a DC 10 Strength check, ending the buried state on a success. A cloud of sand swirls about in a 20-foot-radius sphere centered on a

Ancient Red Dragon Legacy

Monsters Basic Rules (2014)

Actions On 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: Magma

form a cloud in a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The sphere spreads around corners, and its area is lightly obscured. It lasts until initiative

Leviathan Legacy

Monsters Mordenkainen’s Tome of Foes

centered on itself. The wall is up 250 feet long, up to 250 feet high, and up to 50 feet thick. When the wall appears, all other creatures within its area must each make a DC 24 Strength saving throw

takes this damage no more than once on a turn. At the end of each turn the wall moves, the wall's height is reduced by 50 feet, and the damage creatures take from the wall on subsequent rounds is

Ancient Black Dragon Legacy

Monsters Basic Rules (2014)

dragon can’t use the same effect two rounds in a row: Pools of water that the dragon can see within 120 feet of it surge outward in a grasping tide. Any creature on the ground within 20 feet

of such a pool must succeed on a DC 15 Strength saving throw or be pulled up to 20 feet into the water and knocked prone. A cloud of swarming insects fills a 20-foot-radius sphere centered on a point

Ancient Blue Dragon Legacy

Monsters Basic Rules (2014)

same effect two rounds in a row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10

unable to breathe or stand up. A creature can take an action to make a DC 10 Strength check, ending the buried state on a success. A cloud of sand swirls about in a 20-foot-radius sphere centered on

Adult Red Dracolich Legacy

Monsters Monster Manual (2014)

one of the following effects; the dracolich can’t use the same effect two rounds in a row: Magma erupts from a point on the ground the dracolich can see within 120 feet of it, creating a 20

prone. Volcanic gases form a cloud in a 20-foot-radius sphere centered on a point the dracolich can see within 120 feet of it. The sphere spreads around corners, and its area is lightly obscured. It

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

;t take the same lair action two rounds in a row: Rally Plants. Up to four Plant creatures that are friendly to Zuggtmoy and that Zuggtmoy can see can use their reactions to move up to their speed

within the lair. They vanish after 1 hour. Unleash Spores. Zuggtmoy uses either her Infestation Spores or her Mind Control Spores, centered on a mushroom or other fungus within her lair, instead of on

Storm Giant Quintessent

Monsters Mordenkainen Presents: Monsters of the Multiverse

two rounds in a row: Deafening Boom. The giant creates a thunderclap centered on a point anywhere in their lair. Each creature within 20 feet of that point must succeed on a DC 18 Constitution

saving throw or be deafened until the end of its next turn. Fog. The giant creates a 20-foot-radius sphere of fog (or murky water if within water) centered on a point anywhere in its lair. The sphere

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

","rollType":"recharge","rollAction":"Mind Control Spores"}. Zuggtmoy releases spores that burst out in a cloud that fills a 20-foot-radius sphere centered on her, and it lingers for 1 minute. Humanoids and

Adult White Dragon Legacy

Monsters Basic Rules (2014)

breath. Lair Actions On 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: Freezing fog fills a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The fog spreads around corners, and its area is heavily obscured. Each creature in

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

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 each creature there must succeed on a DC 15

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

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 each creature there must succeed on a DC 15 Strength

Ancient White Dragon Legacy

Monsters Basic Rules (2014)

freezing breath. Lair Actions On 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: Freezing fog fills a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The fog spreads around corners, and its area is heavily obscured. Each creature in

Yan-C-Bin

Monsters Princes of the Apocalypse

Long Rest). Yan-C- Bin unleashes a terrible thundercrack in a 100-foot-radius sphere centered on himself. All other creatures in the area must succeed on a DC 24 Constitution saving throw or take 31 (9d6

one of the following effects; he can’t use the same effect two rounds in a row: Yan-C-Bin drops the temperature of the air, covering all surfaces with ice. This effect is identical to the

Malaxxix

Monsters The Book of Many Things

"}. Malaxxix summons a vortex of whirling mezzoloths at a point it can see within 90 feet of itself. The vortex is a 30-foot-radius, 100-foot-high cylinder centered on that point. Each creature other

intellect and self-centered agenda. Malaxxix’s machinations are many, but it is most infamous for crafting cursed armaments and distributing them throughout the multiverse in the hope that they

Zikzokrishka

Monsters Candlekeep Mysteries

, Zikzokrishka can take a lair action to cause one of the following effects. She can’t use the same effect two rounds in a row: Part of the ceiling collapses above one creature that Zikzokrishka

, doing so with a successful DC 10 Strength (Athletics) check. A cloud of sand swirls in a 20-foot-radius sphere centered on a point Zikzokrishka can see within 60 feet of it. The cloud spreads around

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

Pazrodine

Monsters The Book of Many Things

actions; she can’t take the same lair action two rounds in a row: Banish into Dream. Pazrodine targets a creature she can see within 120 feet of herself and attempts to send that creature to a

cylinder centered on a point within 60 feet of Pazrodine until initiative count 20 on the next round. When a creature enters the whirlwind’s area for the first time on its turn or starts its

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

Veiled Presence

Monsters The Book of Many Things

Actions). The veiled presence magically emanates dazzling light in a 10-foot-radius sphere centered on itself until the end of its next turn, during which time attack rolls against it have disadvantage

) Lair Actions On initiative count 20 (losing initiative ties) while in its lair, the villain can take one of the following lair actions; the villain can’t take the same lair action two rounds in a

Nintra Siotta

Monsters Candlekeep Mysteries

feet of her and creates a 20-foot-radius sphere of swirling glass shards centered on that point. Each creature in the sphere must make a DC 20 Dexterity saving throw, taking 28 (8d6);{"diceNotation":"8d6

effect two rounds in a row: Nintra targets one pane of shadow glass in her lair, causing it to explode into shards. Each creature within 20 feet of the exploding pane must make a DC 18 Dexterity

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

Aurnozci

Monsters The Book of Many Things

), Aurnozci can take one of the following lair actions; Aurnozci can’t take the same lair action two rounds in a row: Cocoon. Aurnozci targets one Medium or smaller creature it can see within 60

apart the cocoon, ending the cocoon’s effect with a successful DC 23 Strength (Athletics) check. Insect Swarm. Aurnozci creates a 30-foot-radius sphere of stinging wasps centered on a point

Zargon the Returner

Monsters Quests from the Infinite Staircase

, surrounds the target. The sphere is centered on the target, moves with the target, and lasts until the end of Zargon’s next turn. Slime Wave (Recharge 5–6);{"diceNotation":"1d6", "rollType

ties), Zargon can take one of the following lair actions; it can’t take the same lair action two rounds in a row: Dissolution. Zargon dissolves into a glob of slime, seeps to an unoccupied space

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

), it requires two attuned crew members to be inside the servant and spend their actions on 3 consecutive rounds performing the command. Should the crew members begin the process of entering the code

servant explodes. Every creature in a 100-foot-radius sphere centered on the servant must make a DC 25 Dexterity saving throw. On a failed save, a creature takes 87 (25d6) force damage, 87 (25d6) lightning

Scion of Stronmaus

Monsters Bigby Presents: Glory of the Giants

":"recharge", "rollAction":"Vengeful Storm"}. The scion conjures a churning storm cloud in a 30-foot-radius, 10-foot-tall cylinder centered on a point within 120 feet of itself. The cloud’s area is

cloud up to 30 feet and cause one of the following effects in a 30-foot-radius, 120-foot-high cylinder directly below it; the scion can’t choose the same effect two rounds in a row: Acid Rain

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