before being drops continues rounds

Summon Greater Demon

Spells Xanathar's Guide to Everything

demon appears in an unoccupied space you can see within range, and the demon disappears when it drops to 0 hit points or when the spell ends. Roll initiative for the demon, which has its own turns

throw if you say its true name. On a failed save, the demon continues to obey you. On a successful save, your control of the demon ends for the rest of the duration, and the demon spends its turns

King Jhaeros

Monsters Keys from the Golden Vault

Ashen Creature. When Jhaeros drops to 0 hit points, he explodes in a harmless cloud of ashes, leaving nothing else behind. Berserk. Whenever Jhaeros starts his turn with 60 hit points or fewer, roll

is near enough to move to and attack, Jhaeros attacks an object, with preference for an object smaller than himself. Once Jhaeros goes berserk, he continues to do so until he is destroyed or regains

Aerisi Kalinoth

Monsters Princes of the Apocalypse

Fey Ancestry. Aerisi has advantage on saving throws against being charmed, and magic can’t put her to sleep. Howling Defeat. When Aerisi drops to 0 hit points, her body disappears in a howling

, without using components or a spell slot. She can’t cast the same spell two rounds in a row, although she can continue to concentrate on a spell she previously cast using a lair action. Aerisi can

Vanifer

Monsters Princes of the Apocalypse

Funeral Pyre. When Vanifer drops to 0 hit points, her body is consumed in a flash of fire and smoke. Anything she was wearing or carrying is left behind among ashes. Legendary Resistance (2/Day). If

action to cast one of her spells, up to 3rd level, without using components or a spell slot. She can’t cast the same spell two rounds in a row, although she can continue to concentrate on a

Tiny Servant

spells Xanathar's Guide to Everything

servant does nothing other than defend itself against hostile creatures. Once given an order, the servant continues to follow that order until its task is complete. When the creature drops to 0 hit points

, becoming a creature under your control until the spell ends or the creature drops to 0 hit points. See Tiny Servant for its statistics. As a bonus action, you can mentally command the creature if it

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

continues down its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic

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

Gar Shatterkeel

Monsters Princes of the Apocalypse

stand and move on liquid surfaces as if they were solid ground. Watery Fall. When Gar drops to 0 hit points, his body collapses into a pool of inky water that rapidly disperses. Anything he was wearing

, without using components or a spell slot. He can’t cast the same spell two rounds in a row, but he can continue to concentrate on a spell he previously cast using a lair action. He can take no other

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

treacherous of true dragons, green dragons use misdirection and trickery to get the upper hand against their enemies. A green dragon is recognized by the crest that begins near its eyes and continues down

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

Suffocating Legacy

Rules

rounds equal to its Constitution modifier (minimum of 1 round). At the start of its next turn, it drops to 0 hit points and is dying, and it cannot regain hit points or be stabilized until it can breathe again.

Imix

Monsters Princes of the Apocalypse

":"Wildfire","rollDamageType":"fire"} fire damage. A wildfire continues to threaten the characters for 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Wildfire Rounds"} rounds or until they

damage. A fountain lasts for 2d10;{"diceNotation":"2d10","rollType":"roll","rollAction":"Lava Fountain Duration"} rounds before subsiding. Wildfires or volcanic fissures within 1 mile of Imix’s lair

Draconic Shard

Monsters Fizban's Treasury of Dragons

fails a saving throw, it can choose to succeed instead. Rejuvenation. When it drops to 0 hit points, the shard disappears and leaves a Tiny cracked gemstone in its space. The gemstone matches the kind

. In this vessel, a draconic shard continues to pursue the interests and struggles that drove the dragon, perhaps even accompanying adventurers in the guise of an intelligent magic item and steering

Animate Objects Legacy

Spells Basic Rules (2014)

particular chamber or corridor. If you issue no commands, the creature only defends itself against hostile creatures. Once given an order, the creature continues to follow it until its task is complete

speed is 0. It has blindsight with a radius of 30 feet and is blind beyond that distance. When the animated object drops to 0 hit points, it reverts to its original object form, and any remaining

Cradle of the Stone Scion

Monsters Bigby Presents: Glory of the Giants

Awakening of the Scion. The cradle is a container for the scion of Skoraeus. When the cradle drops to 0 hit points, its body crumbles to dust. The scion instantly appears in the space the cradle

scion continues to pursue the art that ornamented its dreams, seeking to mold and shape stone into beautiful elegance. If it needs more raw materials, the scion can transform a living creature in its

Vampire Warrior Legacy

Monsters Monster Manual (2014)

throw, it can choose to succeed instead. Misty Escape. When it drops to 0 hit points outside its resting place, the vampire transforms into a cloud of mist (as in the Shapechanger trait) instead of

the Night"} rounds, acting as allies of the vampire and obeying its spoken commands. The beasts remain for 1 hour, until the vampire dies, or until the vampire dismisses them as a bonus action.The

Vampire Legacy

Monsters Basic Rules (2014)

). If the vampire fails a saving throw, it can choose to succeed instead. Misty Escape. When it drops to 0 hit points outside its resting place, the vampire transforms into a cloud of mist (as in the

;wolves instead. The called creatures arrive in 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Children of the Night"} rounds, acting as allies of the vampire and obeying its spoken commands

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

throw, it can choose to succeed instead. Misty Escape. When it drops to 0 hit points outside its resting place, the vampire transforms into a cloud of mist (as in the Shapechanger trait) instead of

":"3d6","rollType":"roll","rollAction":"Children of the Night"} wolf;wolves instead. The called creatures arrive in 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Children of the Night"} rounds

Yan-C-Bin

Monsters Princes of the Apocalypse

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

feet of him. The target must make a DC 21 Constitution saving throw. On a failed save, the target drops to 0 hit points and is dying. On a successful save, the target can’t breathe or speak

Geryon (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

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 it takes. If its hit point maximum drops to 0, it dies

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

Gar Shatterkeel (Noncore)

Monsters Locathah Rising

*Circle spells don’t count against spells prepared. Water Walk. Gar can stand and move on liquid surfaces as if they were solid ground. Watery Fall. When Gar drops to 0 hit points, his body

action to cause one of the following effects; Gar can’t use the same effect two rounds in a row. Gar may teleport anywhere within the coral mountain, bringing up to five willing creatures with

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

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 it takes. If its hit point maximum drops to 0, it dies

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

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

Valindra drops to 30 hit points or fewer, or if dispel magic is cast on her.Valindra can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time

one of the following magical effects; the lich can’t use the same effect two rounds in a row: The lich rolls a d8 and regains a spell slot of that level or lower. If it has no spent spell

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

exist. If the demilich drops to 0 hit points, it is destroyed and turns to powder, leaving behind its gems. Crushing a gem releases any soul trapped within, at which point the target’s body re

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

Suffocating

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

a number of rounds equal to its Constitution modifier (minimum of 1 round). At the start of its next turn, it drops to 0 hit points and is dying, and it can't regain hit points or be stabilized until

it can breathe again. For example, a creature with a Constitution of 14 can hold its breath for 3 minutes. If it starts suffocating, it has 2 rounds to reach air before it drops to 0 hit points.

Claugiyliamatar (possessed)

Monsters Divine Contention

the crest that begins near its eyes and continues down its spine, reaching full height just behind the skull. A small wooded region near Westbridge hides many old dwarven ruins and the extensive

(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

Baernaloth

Monsters Planescape: Adventures in the Multiverse

baernaloth can take one of the following lair actions; the baernaloth can’t take the same lair action two rounds in a row: Consume Suffering. Until initiative count 20 on the next round, when a creature

in the baernaloth’s lair other than the baernaloth takes necrotic or psychic damage or drops to 0 hit points, the baernaloth regains 10 (3d6);{"diceNotation":"3d6", "rollType":"heal

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

to succeed instead. Misty Escape. When he drops to 0 hit points outside his resting place, Zorak transforms into a cloud of mist (as in the Shapechanger trait) instead of falling unconscious

in 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Children of the Night"} rounds, acting as allies of Zorak and obeying his spoken commands. The beasts remain for 1 hour, until Zorak dies

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

weapon the target is carrying or wearing takes a permanent −1 penalty to damage rolls. The penalty worsens each time a target is subjected to this effect. If the penalty on an object drops to

of the following lair actions; it can’t take the same lair action two rounds in a row: Green Slime. A green slime (see the Dungeon Master’s Guide) appears on a spot on the ceiling that

Suffocating

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

a number of rounds equal to its Constitution modifier (minimum of 1 round). At the start of its next turn, it drops to 0 hit points and is dying, and it can't regain hit points or be stabilized until

it can breathe again. For example, a creature with a Constitution of 14 can hold its breath for 3 minutes. If it starts suffocating, it has 2 rounds to reach air before it drops to 0 hit points.

Suffocating (p. 183)

Compendium - Sources->Dungeons & Dragons->Sage Advice & Errata

Suffocating (p. 183) The second paragraph now reads, “When a creature runs out of breath or is choking, it can survive for a number of rounds equal to its Constitution modifier (minimum of 1 round

). At the start of its next turn, it drops to 0 hit points and is dying, and it can’t regain hit points or be stabilized until it can breathe again.”

34. Shrieking Gas Spore

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

spore, it uses its reaction to emit a shriek audible within 300 feet of it. The gas spore continues to shriek until the disturbance moves out of range and for 1d4 rounds afterward. The shrieking of the gas spore alerts the hobgoblins in areas 32c and 33, who come to investigate.

Juiblex Legacy

Monsters Out of the Abyss

a permanent −1 penalty to damage rolls. The penalty worsens each time a target is subjected to this effect. If the penalty on an object drops to −5, the object is destroyed.Juiblex can

initiative ties), Juiblex can take a lair action to cause one of the following effects; it can’t use the same effect two rounds in a row: Juiblex slimes a square area of ground it can see within the

Keresta Delvingstone

Monsters Waterdeep: Dungeon of the Mad Mage

can choose to succeed instead. Misty Escape. When she drops to 0 hit points outside her resting place, Keresta transforms into a cloud of mist (as in the Shapechanger trait) instead of falling

centipede;giant centipedes. The called creatures arrive in 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Children of the Night"} rounds, acting as allies of Keresta and obeying her spoken

Nafas

Monsters Quests from the Infinite Staircase

Nafas drops to 0 hit points, his body disintegrates into a whirl of multiversal dust that surrounds one creature responsible for his demise. That creature then hears Nafas’s last wish: for the

friendly creatures. Lair Actions On initiative count 20 (losing initiative ties), Nafas can take one of the following lair actions; he can’t take the same lair action two rounds in a row

Adult Amethyst Dragon

Monsters Fizban's Treasury of Dragons

object dropped down one of the chimneys continues falling endlessly unless it or some outside force has the means to slow or stop it. This property of the lair vanishes after 1d10;{"diceNotation":"1d10

take one of the following lair actions; the dragon can’t take the same lair action two rounds in a row: Beguiling Whisper. The dragon telepathically whispers to one creature within range of

Summon Greater Demon

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

demon appears in an unoccupied space you can see within range, and the demon disappears when it drops to 0 hit points or when the spell ends. Roll initiative for the demon, which has its own turns. When

you say its true name. On a failed save, the demon continues to obey you. On a successful save, your control of the demon ends for the rest of the duration, and the demon spends its turns pursuing and

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