monster starts with only allies for for layer

Prismatic Wall

Spells Player’s Handbook

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

. The wall consists of seven layers, each with a different color. When a creature reaches into or passes through the wall, it does so one layer at a time through all the layers. Each layer forces the

Aura of Life

Spells Player’s Handbook

An aura radiates from you in a 30-foot Emanation for the duration. While in the aura, you and your allies have Resistance to Necrotic damage, and your Hit Point maximums can’t be reduced. If an ally with 0 Hit Points starts its turn in the aura, that ally regains 1 Hit Point.

Awaken

Spells Player’s Handbook

statistics for the Awakened Shrub or Awakened Tree in the Monster Manual. The awakened target has the Charmed condition for 30 days or until you or your allies deal damage to it. When that condition ends, the awakened creature chooses its attitude toward you.

Sea Hag

Monsters Monster Manual

Amphibious. The hag can breathe air and water. Coven Magic. While within 30 feet of at least two hag allies, the hag can cast one of the following spells, requiring no Material components, using the

finish a Long Rest before using this trait to cast that spell again. Vile Appearance. Wisdom Saving Throw: DC 11, any Beast or Humanoid that starts its turn within 30 feet of the hag and can see the hag

Pipes of the Sewers

Magic Items Dungeon Master’s Guide

24 hours. On a failed save, the swarm is swayed by the pipes’ music and becomes Friendly to you and your allies for as long as you continue to play the pipes each round as a Magic action. A

Friendly swarm obeys your commands. If you issue no commands to a Friendly swarm, it defends itself but otherwise takes no actions. If a Friendly swarm starts its turn more than 30 feet away from you, your

Bag of Tricks

Magic Items Dungeon Master’s Guide

the bag and throw it up to 20 feet. When the object lands, it transforms into a creature you determine by rolling on the table that corresponds to the bag’s color. See the Monster Manual for the

creature’s stat block. The creature vanishes at the next dawn or when it is reduced to 0 Hit Points. The creature is Friendly to you and your allies, and it acts immediately after you on your

Summon Construct

Spells Player’s Handbook

it drops to 0 Hit Points or when the spell ends. The creature is an ally to you and your allies. In combat, the creature shares your Initiative count, but it takes its turn immediately after yours

you know CR None (XP 0; PB equals your Proficiency Bonus) Traits Heated Body (Metal Only). A creature that hits the spirit with a melee attack or that starts its turn in a grapple with the spirit

Pit Fiend

Monsters Monster Manual

Hells. Fear Aura. The pit fiend emanates an aura in a 20-foot Emanation while it doesn’t have the Incapacitated condition. Wisdom Saving Throw: DC 21, any enemy that starts its turn in the

"}. The pit fiend casts Fireball (level 5 version) twice, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 21). It can replace one Fireball with Hold Monster (level 7 version) or Wall of Fire.Fire, PoisonCold

Elemental Cataclysm

Monsters Monster Manual

). If the cataclysm fails a saving throw, it can choose to succeed instead. Siege Monster. The cataclysm deals double damage to objects and structures.Multiattack. The cataclysm makes two Elemental Burst

: 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

Summon Undead

Spells Player’s Handbook

when the spell ends. The creature is an ally to you and your allies. In combat, the creature shares your Initiative count, but it takes its turn immediately after yours. It obeys your verbal commands

, any creature (other than you) that starts its turn within a 5-foot Emanation originating from the spirit. Failure: The creature has the Poisoned condition until the start of its next turn

Vampire Umbral Lord

Monsters Monster Manual

Incapacitated condition in its resting place, the vampire has the Paralyzed condition until the weapon is removed.Sunlight. The vampire takes 20 Radiant damage if it starts its turn in sunlight. While in

within 1 mile of the lair. Looming Shadows. Shadows within 1 mile of the lair seem to move as if alive. Any creature (excluding the vampire and its allies) that finishes a Short Rest while within 1

Figurine of Wondrous Power

Magic Items Dungeon Master’s Guide

the creature, the figurine doesn’t become a creature. The creature is Friendly to you and your allies. It understands your languages, obeys your commands, and takes its turn immediately after

weapons disappear and the horns return when the goat reverts to figurine form. While you ride the goat, any Hostile creature that starts its turn within a 30-foot Emanation originating from the goat must

Vampire Survivor

Backgrounds Astarion's Book of Hungers

. You might have been directly involved in this confrontation, or perhaps you were frozen in terror by what you saw. Regardless, you remain vigilant for monster attacks and pride yourself on being ready for anything. No vampire will catch you or your allies by surprise again.

Vampire Infernalist

Monsters Astarion's Book of Hungers

vampire has the Incapacitated condition in its resting place, the vampire has the Paralyzed condition until the weapon is removed. Sunlight. The vampire takes 20 Radiant damage if it starts its turn in

sap the body and mind. Creatures (excluding the vampire and its allies) that finish a Short or Long Rest while within 1 mile of the lair make a DC 15 Wisdom saving throw. On a failed save, a creature

Prismatic Wall Legacy

Spells Basic Rules (2014)

you designate at the time you cast the spell can pass through and remain near the wall without harm. If another creature that can see the wall moves to within 20 feet of it or starts its turn there

through the wall, it does so one layer at a time through all the wall's layers. As it passes or reaches through each layer, the creature must make a Dexterity saving throw or be affected by that

Aurnozci

Monsters The Book of Many Things

"} fire damage when it enters the ashes’ space for the first time on a turn or starts its turn there. Aurnozci’s Lair Aurnozci’s lair is a layer of the Abyss called Xulregg. See

’t function at the start of its next turn. Aurnozci dies only if it starts its turn with 0 hit points and doesn’t regenerate. Legendary Resistance (3/Day). If Aurnozci fails a saving throw, it

Bel

Monsters Baldur’s Gate: Descent into Avernus

Fear Aura. Any creature hostile to Bel that starts its turn within 20 feet of him must make a DC 23 Wisdom saving throw, unless Bel is incapacitated. Unless the save succeeds, the creature is

spellcasting ability is Charisma (spell save DC 23). Bel can innately cast the following spells, requiring no material components: At will: detect magic, fireball 3/day each: dispel magic, hold monster

Nightmare Shepherd

Monsters Mythic Odysseys of Theros

Aura of Nightmares. Undead creatures within 30 feet of the shepherd gain a +5 bonus to attack and damage rolls. When any other creature that isn’t undead or a construct starts its turn within

Sunlight Weakness; see the Monster Manual) arise in unoccupied spaces within 20 feet of the shepherd. The shadows act right after the shepherd on the same initiative count and fight until they’re

Barrowghast

Monsters Bigby Presents: Glory of the Giants

Stench. Any creature that starts its turn within 10 feet of the barrowghast must make a DC 16 Constitution saving throw. On a failed save, the creature has the poisoned condition for 1 minute. While

finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A Humanoid slain by this attack immediately rises as a zombie (see the Monster Manual). The zombie acts as an

Velociraptor

Monsters Mordenkainen Presents: Monsters of the Multiverse

Pack Tactics. The velociraptor has advantage on an attack roll against a creature if at least one of the velociraptor’s allies is within 5 feet of the creature and the ally isn’t

damage.This feathered dinosaur is about the size of a large turkey. It is an aggressive predator and often hunts in packs to bring down larger prey. Dinosaurs The Monster Manual has statistics for several kinds of dinosaurs.

Sea Lion

Monsters Tales from the Yawning Portal

roll against a creature if at least one of the sea lion’s allies is within 5 feet of the creature and the ally isn’t incapacitated. Swimming Leap. With a 10-foot swimming start, the sea

","rollAction":"Claw","rollDamageType":"piercing"} piercing damage.A sea lion is a fearsome monster with the head and forepaws of a lion and the lower body and tail of a fish. Adventurers who delve beneath

Fire Hellion

Monsters Bigby Presents: Glory of the Giants

soul rises as a lemure (see the Monster Manual) on Avernus, one of the Nine Hells, in 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Hours"} hours. If the creature isn’t revived

. The devil teaches the giant how to forge with infernal iron and hellfire, enabling the giant to craft weapons that can funnel the souls of the slain to Avernus, the first layer of the Nine Hells. In

Bael

Monsters Mordenkainen Presents: Monsters of the Multiverse

Dread. Any creature, other than a devil, that starts its turn within 10 feet of Bael must succeed on a DC 22 Wisdom saving throw or be frightened of him until the start of its next turn. A creature

doesn’t function at the start of his next turn. Bael dies only if he starts his turn with 0 hit points and doesn’t regenerate.Multiattack. Bael makes two Hellish Morningstar attacks. Hellish

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

":"damage", "rollAction":"Toxic Mold", "rollDamageType":"poison"} poison damage and has the blinded and deafened conditions for 1 minute as it becomes covered in a thick layer of mold. On a successful

Biomancer

Monsters Guildmasters’ Guide to Ravnica

Bolstering Presence. The biomancer magically emanates life-giving energy within 30 feet of itself. Any ally of the biomancer that starts its turn there regains 5 (1d10);{"diceNotation":"1d10

, polymorph 5th level (2 slots): cone of cold, creation, hold monster 6th level (1 slot): move earth, wall of ice 7th level (1 slot): prismatic spray 8th level (1 slot): control weatherScimitar. Melee

Kobold Vampire Spawn

Monsters Icewind Dale: Rime of the Frostmaiden

Pack Tactics. The vampire has advantage on an attack roll against a creature if at least one of the vampire’s allies is within 5 feet of the creature and the ally isn’t incapacitated

: Forbiddance. The vampire can’t enter a residence without an invitation from one of the occupants. Harmed by Running Water. The vampire takes 20 acid damage when it starts its turn in running water

Bael Legacy

Monsters Mordenkainen’s Tome of Foes

Dreadful. Bael can use a bonus action to appear dreadful until the start of his next turn. Each creature, other than a devil, that starts its turn within 10 feet of Bael must succeed on a DC 22

, wall of fire 1/day each: dominate monster, symbol (stunning only) Legendary Resistance (3/Day). If Bael fails a saving throw, he can choose to succeed instead. Magic Resistance. Bael has advantage

Barbatos

Monsters Infernal Machine Rebuild

Rust Monster Cloak. Any nonmagical weapon made of metal that hits Barbatos corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops

. If Barbatos takes acid or fire damage, this trait doesn't function at the start of Barbatos's next turn. Barbatos dies only if he starts his turn with 0 hit points and doesn't regenerate. Spellcasting

Zombie Plague Spreader

Monsters Van Richten’s Guide to Ravenloft

success, the zombie drops to 1 hit point instead. Unusual Nature. The zombie doesn’t require air, food, drink, or sleep. Viral Aura. Any creature that starts its turn within 10 feet of the

":"poison"} poison damage on a failed save, or half as much damage on a successful one. A Humanoid reduced to 0 hit points by this damage dies and rises as a zombie (see its stat block in the Monster

Pit Fiend Legacy

Monsters Basic Rules (2014)

Fear Aura. Any creature hostile to the pit fiend that starts its turn within 20 feet of the pit fiend must make a DC 21 Wisdom saving throw, unless the pit fiend is incapacitated. On a failed save

ability is Charisma (spell save DC 21). The pit fiend can innately cast the following spells, requiring no material components: At will: detect magic, fireball 3/day each: hold monster, wall of

Rutterkin

Monsters Mordenkainen Presents: Monsters of the Multiverse

Immobilizing Fear. When a creature that isn’t a demon starts its turn within 30 feet of one or more rutterkins, that creature must make a DC 11 Wisdom saving throw. The creature has

poisoned in this way, it dies and instantly transforms into a living manes (see the Monster Manual). The transformation can be undone only by a wish spell.Rutterkins are warped demons that roam the Abyss in

Vegepygmy Thorny Hunter

Monsters Quests from the Infinite Staircase

Pack Tactics. The vegepygmy has advantage on attack rolls against a creature if at least one of the vegepygmy’s allies is within 5 feet of the creature and the ally doesn’t have the

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

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

starts its turn with 0 hit points and doesn’t regenerate. Spider Climb. Juiblex can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.Multiattack

Doomguard Doom Lord

Monsters Planescape: Adventures in the Multiverse

Aura of Doom. Any creature that starts its turn within 10 feet of the doom lord must make a DC 16 Constitution saving throw, taking 18 (4d8);{"diceNotation":"4d8", "rollType":"damage", "rollAction

suppress or resume this aura at the start of its turn (no action required). Siege Monster. The doom lord deals double damage to objects and structures.Multiattack. The doom lord makes two Entropic

Nupperibo

Monsters Mordenkainen Presents: Monsters of the Multiverse

Cloud of Vermin. Any creature, other than a devil, that starts its turn within 20 feet of one or more nupperibos must succeed on a DC 11 Constitution saving throw or take 5 (2d4);{"diceNotation":"2d4

(see the Monster Manual), and other vermin surround them in a terrifying, reeking sheath that torments any non-devil that draws near. A nupperibo knows nothing but the desire to destroy non-Fiends

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