monster starts with only argues for for least

Helm of Brilliance

Magic Items Dungeon Master’s Guide

Emanation is filled with Dim Light. Any Undead that starts its turn in that area takes 1d6 Radiant damage. Fire Opal Flames. As long as the helm has at least one fire opal, you can take a Magic action

. You gain the following benefits while wearing the helm. Diamond Light. As long as it has at least one diamond, the helm emits a 30-foot Emanation. When at least one Undead is within that area, the

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

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

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

through this layer, which is destroyed if it takes at least 25 Cold damage. 2 Orange. Failed Save: 12d6 Acid damage. Successful Save: Half as much damage. Additional Effects: Magical ranged

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

Symbol

Spells Player’s Handbook

save. Discord. Each target makes a Wisdom saving throw. On a failed save, a target argues with other creatures for 1 minute. During this time, it is incapable of meaningful communication and has

Disadvantage on attack rolls and ability checks. Fear. Each target must succeed on a Wisdom saving throw or have the Frightened condition for 1 minute. While Frightened, the target must move at least 30

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

remains with you only as long as you strive to work evil in the world. If you fail to perform at least one evil act within the span of 10 days, or if you willingly perform a good act, the book

attuned to the book, you can cast the following spells (save DC 18) from it: Animate Dead Circle of Death Dominate Monster Finger of Death Once you use the book to cast a spell, you can’t

Eye and Hand of Vecna

Magic Items Dungeon Master’s Guide

Clairvoyance 2 Crown of Madness 1 Disintegrate 4 Dominate Monster 5 Eyebite 4 X-ray Vision. You can take a Magic action to gain X-ray vision with a range of 30 feet for 1

. You have Immunity to Poison damage and the Poisoned condition. Regeneration. If you start your turn with at least 1 Hit Point, you regain 1d10 Hit Points. Wish. You can cast Wish. Once used, this

Helm of Brilliance Legacy

Magic Items Basic Rules (2014)

one diamond, the helm emits dim light in a 30-foot radius when at least one undead is within that area. Any undead that starts its turn in that area takes 1d6 radiant damage. As long as the helm has

: daylight (opal), fireball (fire opal), prismatic spray (diamond), or wall of fire (ruby). The gem is destroyed when the spell is cast and disappears from the helm. As long as it has at least

Goristro Legacy

Monsters Monster Manual (2014)

Charge. If the goristro moves at least 15 feet straight toward a target and then hits it with a gore attack on the same turn, the target takes an extra 38 (7d10);{"diceNotation":"7d10","rollType

Monster. The goristro deals double damage to objects and structures.Multiattack. The goristro makes three attacks: two with its fists and one with its hoof. Fist. Melee Weapon Attack: +13;{"diceNotation

Red Slaad Legacy

Monsters Monster Manual (2014)

Magic Resistance. The slaad has advantage on saving throws against spells and other magical effects. Regeneration. The slaad regains 10 hit points at the start of its turn if it has at least 1 hit

at a time. Over three months, the egg moves to the chest cavity, gestates, and forms a slaad tadpole. In the 24-hour period before giving birth, the host starts to feel unwell, its speed is halved

Quetzalcoatlus

Monsters Mordenkainen Presents: Monsters of the Multiverse

quetzalcoatlus flew least 30 feet toward the target immediately before the hit, the target takes an extra 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"piercing

"} piercing damage.This giant relative of the pteranodon has a wingspan exceeding 30 feet. Although it can walk like a quadruped, it is more comfortable in the air. Dinosaurs The Monster Manual has statistics for several kinds of dinosaurs.

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.

Stench Kow Legacy

Monsters Volo's Guide to Monsters

Charge. If the cow moves at least 20 feet straight toward a target and then hits it with a gore attack on the same turn, the target takes an extra 7 (2d6);{"diceNotation":"2d6","rollType":"damage

","rollAction":"Charge","rollDamageType":"piercing"} piercing damage. Stench. Any creature other than a stench kow that starts its turn within 5 feet of the stench kow must succeed on a DC 12 Constitution

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

. Regeneration. The vampire regains 10 hit points at the start of its turn if it has at least 1 hit point and isn’t in sunlight or running water. If the vampire takes radiant damage or damage from

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

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

Barghest Legacy

Monsters Volo's Guide to Monsters

wearing or carrying isn't transformed. The barghest reverts to its true form if it dies. Fire Banishment. When the barghest starts its turn engulfed in flames that are at least 10 feet high or wide

Sahuagin Coral Smasher

Monsters Ghosts of Saltmarsh

it needs to be submerged at least once every 4 hours to avoid suffocating. Shark Telepathy. The coral smasher can magically command any shark within 120 feet of it, using a limited telepathy. Siege

Monster. The coral smasher deals double damage to objects and structures.Multiattack. The coral smasher makes two attacks with its warhammer, or one attack with its bite and one with its claws

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

Deinonychus

Monsters Mordenkainen Presents: Monsters of the Multiverse

Pounce. If the deinonychus moves at least 20 feet straight toward a creature and then hits it with a Claw attack on the same turn, that target must succeed on a DC 12 Strength saving throw or be

);{"diceNotation":"1d8+2", "rollType":"damage", "rollAction":"Claw", "rollDamageType":"slashing"} slashing damage.This larger cousin of the velociraptor kills by gripping its target with its claws and feeding. Dinosaurs The Monster Manual has statistics for several kinds of dinosaurs.

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

Stench Kow

Monsters Mordenkainen Presents: Monsters of the Multiverse

Stench. Any creature other than a stench kow that starts its turn within 5 feet of the stench kow must succeed on a DC 12 Constitution saving throw or be poisoned until the start of the creature

least 20 feet straight toward the target immediately before the hit, the target takes an extra 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Gore", "rollDamageType":"piercing

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

Fensir Devourer

Monsters Bigby Presents: Glory of the Giants

Death Curse. When the fensir starts its turn with 0 hit points and doesn’t regenerate, it releases a curse on those around it. Each creature within 30 feet of the fensir when it dies must

’s next turn. The fensir dies only if it starts its turn with 0 hit points and doesn’t regenerate. Sunlight Hypersensitivity. When the fensir starts its turn in sunlight, it must succeed

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

of invulnerability 7th level (1 slot): finger of death, plane shift 8th level (1 slot): dominate monster, power word stun 9th level (1 slot): power word kill Turn Resistance. The lich has

wants to “imprison” the Soulmonger; that way, its unique magic can be studied while it’s safely quarantined from the world. She argues that destroying it should be a last resort

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

Fiendish Auger

Monsters Phandelver and Below: The Shattered Obelisk

Siege Monster. The auger deals double damage to objects and structures. Tunneler. The auger can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its

"} fire damage. If the auger moves at least 20 feet in a straight line toward the target immediately before the hit, the target takes an additional 11 (2d10);{"diceNotation":"2d10", "rollType":"damage

Regenerating Black Pudding

Monsters Out of the Abyss

the start of the pudding's next turn. The pudding dies only if it starts its turn with 0 hit points and doesn't regenerate.Pseudopod. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to

damage, it splits into two new puddings if it has at least 10 hit points. Each new pudding has hit points equal to half the original pudding's, rounded down. New puddings are one size smaller than the original pudding.Acid, Cold, Lightning, Slashing

Pit Fiend (Summoner Variant) Legacy

Monsters Monster Manual (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

Molydeus (Summoner Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

. If the target has at least one head and the molydeus rolled a 20 on the attack roll, the target is decapitated and dies if it can’t survive without that head. A target is immune to this effect

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes (see the Monster Manual) if this reduces its hit

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