matter starts with only act for for lasts

Bag of Devouring

Magic Items Dungeon Master’s Guide

bag can sense whatever is placed inside the bag. Animal or vegetable matter placed wholly in the bag is devoured and lost forever. When part of a living creature is placed in the bag, as happens when

pulled inside the bag first. Any creature that starts its turn inside the bag is devoured, its body destroyed. Inanimate objects can be stored in the bag, which can hold a cubic foot of such material

Harpy

Monsters Monster Manual

", "rollDamageType":"Slashing"} Slashing damage. Luring Song. The harpy sings a magical melody, which lasts until the harpy’s Concentration ends on it. Wisdom Saving Throw: DC 11, each Humanoid and

Giant in a 300-foot Emanation originating from the harpy when the song starts. Failure: The target has the Charmed condition until the song ends and repeats the save at the end of each of its turns. While

Gnoll Demoniac

Monsters Monster Manual

":"1d6", "rollType":"recharge", "rollAction":"Hunger of Yeenoghu"}. The gnoll conjures a 30-foot Cube of magical Darkness originating from a point it can see within 60 feet, which lasts for 1 minute

or until the gnoll’s Concentration ends on it. This area is Difficult Terrain. Dexterity Saving Throw: DC 14, any creature that starts its turn in this area or enters it for the first time on a

Gate

Spells Player’s Handbook

diameter. You can orient the portal in any direction you choose. The portal lasts for the duration, and the portal’s destination is visible through it. The portal has a front and a back on

transports it to the nearest unoccupied space on your side of the portal. You gain no special power over the creature, and it is free to act as the DM deems appropriate. It might leave, attack you, or help you.

Conjure Elemental

Spells Player’s Handbook

), earth (Thunder), fire (Fire), or water (Cold). The spirit lasts for the duration. Whenever a creature you can see enters the spirit’s space or starts its turn within 5 feet of the spirit, you

Elemental Cataclysm

Monsters Monster Manual

: Half damage. Failure or Success: The target starts burning.2: Freezing Waves. Strength Saving Throw: DC 23, each creature in a 90-foot Cone. Failure: 22 (5d8);{"diceNotation":"5d8", "rollType":"damage

fills a 60-foot-radius Sphere centered on a point the cataclysm can see within 150 feet. The cloud lasts for 1 minute or until the cataclysm uses Cataclysmic Event again. Creatures entirely in the

Blackrazor

Magic Items Dungeon Master’s Guide

effect at the start of your turn. The spell lasts for 1 minute (no Concentration required) or until Blackrazor decides to end it, which it can do at the end of any of your turns. Sentience

, as though accustomed to being obeyed.The sword’s purpose is to consume souls. It doesn’t care whose souls it eats, including the wielder’s. The sword believes that all matter and

Prismatic Wall

Spells Player’s Handbook

wall into a globe up to 30 feet in diameter centered on a point within range. The wall lasts for the duration. If you position the wall in a space occupied by a creature, the spell ends instantly

harm. If another creature that can see the wall moves within 20 feet of it or starts its turn there, the creature must succeed on a Constitution saving throw or have the Blinded condition for 1 minute

Beast of Malar

Monsters Forgotten Realms: Adventures in Faerûn

start of its turn. If the beast takes Radiant damage or damage from a Critical Hit, this trait doesn’t function at the start of the beast’s next turn. The beast dies only if it starts its

glossy black with red fur around its jaws and claws as though stained by the blood it has spilled. The beast of Malar has a muscular and unnatural appearance no matter its form; whether it resembles a

Cube of Force Legacy

Magic Items Basic Rules (2014)

This cube is about an inch across. Each face has a distinct marking on it that can be pressed. The cube starts with 36 charges, and it regains 1d20 expended charges daily at dawn. You can use an

charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier is centered on you, moves with you, and lasts for 1

Vegepygmy Thorny Hunter

Monsters Quests from the Infinite Staircase

points at the start of its turn. If it takes cold, fire, or necrotic damage, this trait doesn’t function at the start of the vegepygmy’s next turn. The vegepygmy dies only if it starts its

saving throw or have the prone condition.Thorny hunters are bestial vegepygmies derived from the corpses of bears, dogs, and other quadrupedal Beasts. Thorny hunters act like bloodhounds, following

Squirt the Oilcan

Monsters The Wild Beyond the Witchlight

is difficult terrain and lasts for 1 hour. Each creature that enters the puddle’s area or starts its turn there must succeed on a DC 11 Dexterity saving throw or fall prone. Boggles are

False Appearance. If Squirt is motionless at the start of combat, it has advantage on its initiative roll. Moreover, if a creature hasn’t observed Squirt move or act, that creature must succeed

Stone Giant Dreamwalker

Monsters Mordenkainen Presents: Monsters of the Multiverse

Dreamwalker’s Charm. An enemy that starts its turn within 30 feet of the giant must make a DC 13 Charisma saving throw, provided that the giant isn’t incapacitated. On a failed save, the

there is permanent, so nothing there is real. What happens on the surface doesn’t matter. Promises and bargains made there needn’t be honored. Life and even art hold less value there

Gate Legacy

Spells Basic Rules (2014)

diameter. You can orient the portal in any direction you choose. The portal lasts for the duration. The portal has a front and a back on each plane where it appears. Travel through the portal is

unoccupied space on your side of the portal. You gain no special power over the creature, and it is free to act as the GM deems appropriate. It might leave, attack you, or help you.

Juiblex Legacy

Monsters Out of the Abyss

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

its next turn. Juiblex dies only if it starts its turn with 0 hit points and doesn’t regenerate. Spider Climb. Juiblex can climb difficult surfaces, including upside down on ceilings, without

Glasswork Golem

Monsters The Wild Beyond the Witchlight

act, that creature must succeed on a DC 18 Intelligence (Investigation) check to discern that the golem is animate. Immutable Form. The golem is immune to any spell or effect that would alter its

turn. The golem is destroyed only if it starts its turn with 0 hit points and doesn’t regenerate. Unusual Nature. The golem doesn’t require air, food, drink, or sleep.Multiattack. The

Dretch Legacy

Monsters Basic Rules (2014)

Cloud (1/Day). A 10-foot radius of disgusting green gas extends out from the dretch. The gas spreads around corners, and its area is lightly obscured. It lasts for 1 minute or until a strong wind

disperses it. Any creature that starts its turn in that area must succeed on a DC 11 Constitution saving throw or be poisoned until the start of its next turn. While poisoned in this way, the target

Chasme Legacy

Monsters Monster Manual (2014)

Drone. The chasme produces a horrid droning sound to which demons are immune. Any other creature that starts its turn within 30 feet of the chasme must succeed on a DC 12 Constitution saving throw or

. This reduction to a creature’s hit point maximum lasts until the creature finishes a long rest or until it is affected by a spell like greater restoration.PoisonCold, Fire, Lightning

Vegepygmy Scavenger

Monsters Quests from the Infinite Staircase

its turn. If it takes cold, fire, or necrotic damage, this trait doesn’t function at the start of the vegepygmy’s next turn. The vegepygmy dies only if it starts its turn with 0 hit points

. While vegepygmies can sustain themselves by absorbing nutrients from soil and other organic matter, they prefer a carnivorous diet achieved through hunting and scavenging. Vegepygmies can live

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

check. The slime lasts for 1 hour or until it is burned away with fire. If the slime is set on fire, it burns away after 1 round. Any creature that starts its turn in the burning slime takes 22 (4d10

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 turn

Vampiric Mist

Monsters Mordenkainen Presents: Monsters of the Multiverse

Hypersensitivity. The mist takes 10 radiant damage whenever it starts its turn in sunlight. While in sunlight, the mist has disadvantage on attack rolls and ability checks. Unusual Nature. The mist

hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0.In

Boggle

Monsters Mordenkainen Presents: Monsters of the Multiverse

deep and covers the ground in the boggle’s space. The puddle is difficult terrain for all creatures except boggles and lasts for 1 hour. If the oil is slippery, any creature that enters the puddle

’s area or starts its turn there must succeed on a DC 11 Dexterity saving throw or fall prone. If the oil is sticky, any creature that enters the puddle’s area or starts its turn there

Vegepygmy Moldmaker

Monsters Quests from the Infinite Staircase

its turn. If it takes cold, fire, or necrotic damage, this trait doesn’t function at the start of the vegepygmy’s next turn. The vegepygmy dies only if it starts its turn with 0 hit points

themselves by absorbing nutrients from soil and other organic matter, they prefer a carnivorous diet achieved through hunting and scavenging. Vegepygmies can live indefinitely so long as the climate remains

Clay Golem Legacy

Monsters Basic Rules (2014)

Acid Absorption. Whenever the golem is subjected to acid damage, it takes no damage and instead regains a number of hit points equal to the acid damage dealt. Berserk. Whenever the golem starts its

dies if this attack reduces its hit point maximum to 0. The reduction lasts until removed by the greater restoration spell or other magic. Haste (Recharge 5–6);{"diceNotation":"1d6","rollType

Boggle Legacy

Monsters Volo's Guide to Monsters

creatures except boggles and lasts for l hour. If the oil is slippery, any creature that enters the puddle's area or starts its turn there must succeed on a DC 11 Dexterity saving throw or fall prone

next to the destination as well, and anything the boggle puts through the rift (including a portion of its body) emerges at the destination. Only the boggle can use the rift, and it lasts until the end

Ice Troll

Monsters Icewind Dale: Rime of the Frostmaiden

. Any creature that starts its turn within 10 feet of the troll takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Cold Aura","rollDamageType":"cold"} cold damage. Keen Smell. The

trait doesn't function at the start of the troll's next turn. The ice troll dies only if it starts its turn with 0 hit points and doesn't regenerate.Multiattack. The troll makes three attacks: one with

Sickening Radiance

Spells Xanathar's Guide to Everything

Dim, greenish light spreads within a 30-foot-radius sphere centered on a point you choose within range. The light spreads around corners, and it lasts until the spell ends. When a creature moves

into the spell's area for the first time on a turn or starts its turn there, that creature must succeed on a Constitution saving throw or take 4d10 radiant damage, suffer one level of exhaustion, and

Ferrumach Rilmani

Monsters Planescape: Adventures in the Multiverse

Bladed Edges. A creature takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Bladed Edges", "rollDamageType":"slashing"} slashing damage if it starts its turn grappling or being

multiverse’s existence. Whenever one threatens to tip the balance in its favor or a plane is on the verge of collapse, the rilmani act to even the odds. While the rilmani might be found anywhere, they

Blade Barrier Legacy

Spells Basic Rules (2014)

You create a vertical wall of whirling, razor-sharp blades made of magical energy. The wall appears within range and lasts for the duration. You can make a straight wall up to 100 feet long, 20 feet

. When a creature enters the wall's area for the first time on a turn or starts its turn there, the creature must make a Dexterity saving throw. On a failed save, the creature takes 6d10 slashing damage. On a successful save, the creature takes half as much damage.

Draconian Dreadnought

Monsters Fizban's Treasury of Dragons

magically transform itself to look and feel like that creature while retaining its game statistics (other than its size). This transformation lasts until the draconian dies or uses an action to end it.The

from dragon eggs that have been corrupted or warped by powerful magic. Most often, this corruption is a deliberate act, the work of an aspiring tyrant seeking to transform stolen eggs into a

Ixitxachitl Cleric

Monsters Out of the Abyss

Regeneration. The ixitxachitl regains 10 hit points at the start of its turn. The ixitxachitl dies only if it starts its turn with 0 hit points. Spellcasting. The ixitxachitl is a 5th-level

an amount equal to the damage taken, and the ixitxachitl regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is

Whirling Chandelier

Monsters Vecna: Eve of Ruin

False Appearance. If the chandelier is motionless at the start of combat, it has advantage on its initiative roll. Moreover, if a creature hasn’t observed the chandelier move or act, that

creature must succeed on a DC 18 Intelligence (Investigation) check to discern that the chandelier is animate. Fiery Aura. Any creature that starts its turn within 5 feet of the chandelier takes 7 (2d6

Aurumach Rilmani

Monsters Planescape: Adventures in the Multiverse

, the rilmani act to even the odds. While the rilmani might be found anywhere, they’re most frequently encountered on their home plane, the Outlands, where they work to ensure that no force

their extraordinary anatomies often act in defiance of natural forces.Psychic; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksAura of Blades. The aurumach manifests a spectral, golden aura

Living Cloudkill

Monsters Eberron: Rising from the Last War

fog for the first time on a turn or starts its turn there, it must make a DC 16 Constitution saving throw, taking 22 (5d8);{"diceNotation":"5d8","rollType":"damage","rollAction":"Spell Mimicry

ground and through openings. The fog lasts for 10 minutes or until the living spell’s concentration ends (as if concentrating on a spell).PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks

Chasme (summoner variant) Legacy

Monsters Monster Manual (2014)

Drone. The chasme produces a horrid droning sound to which demons are immune. Any other creature that starts its turn within 30 feet of the chasme must succeed on a DC 12 Constitution saving throw or

. This reduction to a creature’s hit point maximum lasts until the creature finishes a long rest or until it is affected by a spell like greater restoration. Summon Demon (1/Day). The demon

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