before brain down creature reduces

Mind Flayer

Monsters Monster Manual

creature, it has the Grappled condition (escape DC 14) from all the mind flayer’s tentacles, and the target has the Stunned condition until the grapple ends. Extract Brain. Constitution Saving

Throw: DC 15, one creature that is Grappled by the mind flayer’s Tentacles. Failure: 55 (10d10);{"diceNotation":"10d10", "rollType":"damage", "rollAction":"Extract Brain", "rollDamageType

Mind Flayer Arcanist

Monsters Monster Manual

liquid large enough to support the target. If this damage reduces the target to 0 Hit Points, the mind flayer kills it and magically devours its brain. Mind Burst (Recharge 5–6);{"diceNotation":"1d6

", "rollType":"recharge", "rollAction":"Mind Burst"}. Intelligence Saving Throw: DC 17, each creature in a 40-foot Emanation originating from the mind flayer. Failure: 41 (8d8 + 5);{"diceNotation":"8d8

Intellect Devourer

Monsters Monster Manual

Detect Intelligence. The intellect devourer magically senses the location of any creature within 300 feet of itself that has an Intelligence score of 3 or higher, regardless of interposing

(2d4 + 2);{"diceNotation":"2d4+2", "rollType":"damage", "rollAction":"Claw", "rollDamageType":"Slashing"} Slashing damage. Devour Intellect. Intelligence Saving Throw: DC 12, one creature the

Resistance

Spells Player’s Handbook

chosen type before the spell ends, the creature reduces the total damage taken by 1d4. A creature can benefit from this spell only once per turn.

You touch a willing creature and choose a damage type: Acid, Bludgeoning, Cold, Fire, Lightning, Necrotic, Piercing, Poison, Radiant, Slashing, or Thunder. When the creature takes damage of the

Disintegrate

Spells Player’s Handbook

You launch a green ray at a target you can see within range. The target can be a creature, a nonmagical object, or a creation of magical force, such as the wall created by Wall of Force. A creature

targeted by this spell makes a Dexterity saving throw. On a failed save, the target takes 10d6 + 40 Force damage. If this damage reduces it to 0 Hit Points, it and everything nonmagical it is wearing

Piercer

Monsters Monster Manual

Saving Throw: DC 11, one creature directly underneath the piercer. Failure: 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Drop. The piercer falls", "rollDamageType":"Piercing"} Piercing damage. Failure or Success: The piercer reduces any damage it takes from the fall by 20.

Beholder Zombie

Monsters Monster Manual

", "rollDamageType":"Force"} Force damage. If the target is a nonmagical object or a creation of magical force, a 10-foot Cube of it disintegrates into dust. Success: Half damage. Failure or Success: If the target is a creature and this damage reduces it to 0 Hit Points, it disintegrates into dust. Poison

Undead Fortitude. If damage reduces the zombie to 0 Hit Points, it makes a Constitution saving throw (DC 5 plus the damage taken) unless the damage is Radiant or from a Critical Hit. On a successful

Phase Spider

Monsters Monster Manual

, without needing to make an ability check. Web Walker. The spider ignores movement restrictions caused by webs, and the spider knows the location of any other creature in contact with the same

. If this damage reduces the target to 0 Hit Points, the target becomes Stable, and it has the Poisoned condition for 1 hour. While Poisoned, the target also has the Paralyzed condition.Ethereal Jaunt. The spider teleports from the Material Plane to the Ethereal Plane or vice versa.

Mirror of Life Trapping

Magic Items Dungeon Master’s Guide

expanse filled with thick fog that reduces visibility to 10 feet. Creatures trapped in the mirror’s cells don’t age, and they don’t need to eat, drink, or sleep. A creature trapped

Magic action and use a command word to activate it. It remains activated until you take a Magic action and repeat the command word to deactivate it. Any creature other than you that sees its

Enlarge/Reduce

Spells Player’s Handbook

For the duration, the spell enlarges or reduces a creature or an object you can see within range (see the chosen effect below). A targeted object must be neither worn nor carried. If the target is an

unwilling creature, it can make a Constitution saving throw. On a successful save, the spell has no effect. Everything that a targeted creature is wearing and carrying changes size with it. Any item

Rust Monster

Monsters Monster Manual

creature with the object. Failure: The object takes a −1 penalty to the AC it offers (armor) or to its attack rolls (weapon). Armor is destroyed if the penalty reduces its AC to 10, and a weapon

"} Piercing damage. Antennae. The rust monster targets one nonmagical metal object—armor or a weapon—worn or carried by a creature within 5 feet of itself. Dexterity Saving Throw: DC 11, the

Stone Giant

Monsters Monster Manual

"} Bludgeoning damage. If the target is a Large or smaller creature, it has the Prone condition.Deflect Missile (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Deflect Missile

"}. Trigger: The giant is hit by a ranged attack roll and takes Bludgeoning, Piercing, or Slashing damage from it. Response: The giant reduces the damage it takes from the attack by 11 (1d10 + 6

Black Pudding

Monsters Monster Manual

Amorphous. The pudding can move through a space as narrow as 1 inch without expending extra movement to do so. Corrosive Form. A creature that hits the pudding with a melee attack roll takes 4 (1d8

by the target takes a −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10. The penalty can be removed by casting the Mending spell on the armor.Split

Blackrazor

Magic Items Dungeon Master’s Guide

attack rolls and damage rolls made with this magic weapon. If you hit an Undead with this weapon, you take 1d10 Necrotic damage, and the target regains 1d10 Hit Points. If this Necrotic damage reduces you

with a range of 30 feet. Devour Soul. Whenever you use Blackrazor to reduce a creature to 0 Hit Points, the sword slays the creature and devours its soul unless it is a Construct or an Undead. A

Death Tyrant

Monsters Monster Manual

: Half damage. Failure or Success: If the target is a creature and this damage reduces it to 0 Hit Points, it disintegrates into dust. Death Ray. Dexterity Saving Throw: DC 17. Failure: 55 (10d10

). Failure: The target has the Unconscious condition for 1 minute. The condition ends if the target takes damage or a creature within 5 feet of it takes an action to wake it. Petrification Ray

Beholder

Monsters Monster Manual

or Success: If the target is a creature and this damage reduces it to 0 Hit Points, it disintegrates into dust. 10: Death Ray. Dexterity Saving Throw: DC 16. Failure: 55 (10d10);{"diceNotation":"10d10

Unconscious condition for 1 minute. The condition ends if the target takes damage or a creature within 5 feet of it takes an action to wake it. 8: Petrification Ray. Constitution Saving Throw: DC 16

Deck of Many Things

Magic Items Dungeon Master’s Guide

combat, you have Advantage on Death Saving Throws for 1 year. If someone else reduces your chosen foe to 0 Hit Points or you don’t choose a foe, this card has no effect. Donjon. You disappear

ally with its attacks. You and your allies can each summon only one avatar as a consequence of this draw. A creature slain by an avatar can’t be restored to life. Avatar of Death Medium Undead

Dirge

Spells Forgotten Realms: Heroes of Faerûn

lost Hit Points nor reduces the creature’s Exhaustion level. When the spell is cast, each secondary caster must expend a level 4+ spell slot; otherwise, the spell fails.

Deathly power fills a 60-foot Emanation originating from you for the duration. When you cast this spell, you can designate creatures to be unaffected by it. Any other creature can’t regain Hit

Domestic Wonder

Monsters Forgotten Realms: Heroes of Faerûn

Mechanical Determination. If damage reduces the wonder to 0 Hit Points, it makes a Constitution saving throw with a DC of 5 plus the damage taken unless the damage is Lightning or from a Critical Hit

. On a successful save, the wonder drops to 1 Hit Point instead. Wind-Up Operation. The wonder has the Unconscious condition until another creature winds it with the wonder’s unique key for 1

Tome of the Dragon

Magic Items Forgotten Realms: Adventures in Faerûn

)", "rollDamageType":"Necrotic"} damage to you and each assistant. If this damage reduces a creature to 0 Hit Points, the creature is killed and immediately reanimates as a Zombie under the DM’s

Vampire Warden

Monsters Astarion's Book of Hungers

smaller creature, it has the Grappled condition (escape DC 16) from one of two claws. Bite. Constitution Saving Throw: DC 16, one creature within 5 feet that is willing or that has the Grappled

).Resilient Flesh. Trigger: The vampire is hit by a melee attack roll from an attacker the vampire can see. Response: The vampire reduces the damage it takes from the attack by 11 (2d6 + 4);{"diceNotation

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

Mechanical Determination. If damage reduces the wonder to 0 Hit Points, it makes a Constitution saving throw with a DC of 5 plus the damage taken unless the damage is Lightning or from a Critical Hit. On

a successful save, the wonder drops to 1 Hit Point instead. Wind-Up Operation. The wonder has the Unconscious condition until another creature winds it with the wonder’s unique key for 1

Mind Flayer Legacy

Monsters Monster Manual (2014)

mind flayer. Hit: The target takes 55 (10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to

. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Tentacles"} to hit, reach 5 ft., one creature. Hit: 15 (2d10 + 4);{"diceNotation":"2d10+4","rollType":"damage

Mind Flayer Arcanist Legacy

Monsters Monster Manual (2014)

Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the mind flayer arcanist kills the target by extracting and devouring its brain. Mind Blast

creature. Hit: 15 (2d10 + 4);{"diceNotation":"2d10+4","rollType":"damage","rollAction":"Tentacles","rollDamageType":"psychic"} psychic damage. If the target is Medium or smaller, it is grappled (escape

Ulitharid Legacy

Monsters Volo's Guide to Monsters

, the elder brain can form a psychic link with any other creature the ulitharid can detect using its Creature Sense. Any such link ends if the creature falls outside the telepathy ranges of both the

","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the ulitharid kills the target by extracting and devouring its brain. Mind Blast (Recharge 5–6

Elder Brain Legacy

Monsters Volo's Guide to Monsters

Creature Sense. The elder brain is aware of the presence of creatures within 5 miles of it that have an Intelligence score of 4 or higher. It knows the distance and direction to each creature, as

the saving throw at the end of each of its turns, ending the effect on itself on a success. Psychic Link. The elder brain targets one incapacitated creature it can perceive with its Creature Sense

Mind Flayer Lich (Illithilich) Legacy

Monsters Volo's Guide to Monsters

(10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the lich kills the

"} to hit, reach 5 ft., one creature. Hit: 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Paralyzing Touch","rollDamageType":"cold"} cold damage. The target must succeed on a DC 18

Elder Brain

Monsters Mordenkainen Presents: Monsters of the Multiverse

Creature Sense. The elder brain is aware of the presence of creatures within 5 miles of it that have an Intelligence score of 4 or higher. It knows the distance and direction to each creature, as

of another creature’s turn. The elder brain regains spent legendary actions at the start of its turn. Break Concentration. The elder brain targets one creature within 120 feet of it with which

Gnome Squidling

Monsters Icewind Dale: Rime of the Frostmaiden

","rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated creature grappled by the squidling. Hit: 27 (5d10);{"diceNotation":"5d10","rollType":"damage","rollAction":"Extract Brain

","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the squidling kills the target by extracting and devouring its brain. Mind Tickle (Recharge 5–6);{"diceNotation

Ulitharid

Monsters Mordenkainen Presents: Monsters of the Multiverse

, the elder brain can form a psychic link with any other creature the ulitharid can detect using its Creature Sense. Any such link ends if the creature falls outside the telepathy ranges of both the

":"damage", "rollAction":"Extract Brain", "rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the ulitharid kills the target by extracting and devouring its

Neh-thalggu

Monsters Spelljammer: Adventures in Space

);{"diceNotation":"10d6","rollType":"damage","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the neh-thalggu kills the target by

Brain Dump. Whenever the neh-thalggu consumes a brain, it gains the magical ability to speak and understand languages known by the brain’s previous owner. Unusual Nature. The neh-thalggu doesn

Blue Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

point. Control Gem. Implanted in the slaad's brain is a magic control gem. The slaad must obey whoever possesses the gem and is immune to being charmed while so controlled. Certain spells can be used to

reduces the target's hit point maximum to 0, the target instantly transforms into a red slaad or, if it has the ability to cast spells of 3rd level or higher, a green slaad. Only a wish spell can reverse

Eater of Knowledge

Monsters Planescape: Adventures in the Multiverse

damage. If this damage reduces the target to 0 hit points, the eater of knowledge kills the target by extracting and consuming its brain. Spellcasting (Psionics). The eater of knowledge casts one of the

attacks hit the same creature and the target is Large or smaller, it has the grappled condition (escape DC 14) and must succeed on a DC 15 Intelligence saving throw or have the stunned condition until the

Mind Flayer Psion Legacy

Monsters Volo's Guide to Monsters

the mind flayer. Hit: The target takes 55 (10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target

. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Tentacles"} to hit, reach 5 ft., one creature. Hit: 15 (2d10 + 4);{"diceNotation":"2d10+4","rollType":"damage

Gnome Ceremorph

Monsters Icewind Dale: Rime of the Frostmaiden

ceremorph. Hit: 55 (10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the

Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Tentacles"} to hit, reach 5 ft., one creature. Hit: 15 (2d10 + 4);{"diceNotation":"2d10+4","rollType":"damage","rollAction

D&D Beyond

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