day impacted are brain

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

Magic, Detect Thoughts, Disguise Self, Mage Hand (the hand is Invisible) 1/Day Each: Clairvoyance, Dimension Door, Fireball (level 5 version), Lightning Bolt (level 5 version), Plane Shift (self only

Elder Brain

Monsters Mordenkainen Presents: Monsters of the Multiverse

this manner. Legendary Resistance (3/Day). If the elder brain fails a saving throw, it can choose to succeed instead. Magic Resistance. The elder brain has advantage on saving throws against spells

brain casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 18): At will: detect thoughts, levitate 3/day: modify memory

Brain in a Jar

Monsters Icewind Dale: Rime of the Frostmaiden

Detect Sentience. The brain can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the creature

is protected by a mind blank spell. Magic Resistance. The brain has advantage on saving throws against spells and other magical effects. Unusual Nature. The brain doesn’t require air, food

Neh-thalggu

Monsters Spelljammer: Adventures in Space

brains to cast the spell, as indicated: 1/day each: arms of Hadar (1 brain), detect magic (2 brains), magic missile (3 brains), Tenser's floating disk (4 brains), darkness (5 brains), hold person (6

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

Ulitharid

Monsters Mordenkainen Presents: Monsters of the Multiverse

in this manner. Magic Resistance. The ulitharid has advantage on saving throws against spells and other magical effects. Psionic Hub. If an elder brain establishes a psychic link with the ulitharid

, 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

Eater of Knowledge

Monsters Planescape: Adventures in the Multiverse

indicated: 1/day each: plane shift (self only, 0 brains), detect magic (1 brain), silent image (2 brains), invisibility (3 brains), hypnotic pattern (4 brains), major image (5 brains), telekinesis (6 brains

":"damage", "rollAction":"Slam", "rollDamageType":"bludgeoning"} bludgeoning damage. Extract Brain. Melee Weapon Attack: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"Extract Brain

Qunbraxel

Monsters Phandelver and Below: The Shattered Obelisk

, range 120 ft., one target. Hit: 20 (3d10 + 4);{"diceNotation":"3d10+4", "rollType":"damage", "rollAction":"Eldritch Bolt", "rollDamageType":"force"} force damage. Extract Brain. Melee Weapon Attack

: +8;{"diceNotation":"1d20+8", "rollType":"to hit", "rollAction":"Extract Brain"} to hit, reach 5 ft., one Humanoid with the stunned condition who is grappled by Qunbraxel. Hit: 55 (10d10

Ruxithid the Chosen

Monsters Phandelver and Below: The Shattered Obelisk

Legendary Resistance (2/Day). When Ruxithid fails a saving throw, he can choose to succeed instead. Mental Fortitude. Ruxithid has advantage on saving throws against the charmed and frightened

mind flayers, who he believes are gods.PsychicBrain Tendrils (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Brain Tendrils"}. Ruxithid unleashes a flurry of crystalline

Gnome Ceremorph

Monsters Icewind Dale: Rime of the Frostmaiden

: detect thoughts, levitate 1/day each: dominate monster, plane shift (self only) Magic Resistance. The ceremorph has advantage on saving throws against spells and other magical effects.Tentacles. Melee

grapple ends. Extract Brain. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated humanoid grappled by the

Mind Flayer Prophet

Monsters Phandelver and Below: The Shattered Obelisk

grappled condition (escape DC 16) and must succeed on a DC 16 Intelligence saving throw or have the stunned condition until the grapple ends. Extract Brain. Melee Weapon Attack: +8;{"diceNotation":"1d20+8

", "rollType":"to hit", "rollAction":"Extract Brain"} to hit, reach 5 ft., one Humanoid grappled by the mind flayer. Hit: 55 (10d10);{"diceNotation":"10d10", "rollType":"damage", "rollAction":"Extract

Mind Flayer Clairvoyant

Monsters Phandelver and Below: The Shattered Obelisk

Legendary Resistance (3/Day). If the mind flayer fails a saving throw, it can choose to succeed instead. Magic Resistance. The mind flayer has advantage on saving throws against spells and other

grappled condition (escape DC 17) and must succeed on a DC 17 Intelligence saving throw or have the incapacitated condition until the grapple ends. Extract Brain. Melee Weapon Attack: +9;{"diceNotation

Ettin Ceremorph

Monsters Bigby Presents: Glory of the Giants

kills the target by extracting and devouring its brain. Mind Bolt (3/Day). Ranged Spell Attack: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"Mind Bolt"} to hit, range 120 ft., one

ends. Extract Brain. Melee Weapon Attack: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated Humanoid grappled by the ceremorph. Hit

Elder Brain Dragon

Monsters Fizban's Treasury of Dragons

Legendary Resistance (4/Day). If the dragon fails a saving throw, it can choose to succeed instead. Siege Monster. The dragon deals double damage to objects and structures. Unusual Nature. The

available to those who must contend with a mind flayer colony is the limit of its reach, which spreads only as far as the influence of the colony’s elder brain. But this small solace withers

Refraction of Ilvaash

Monsters Phandelver and Below: The Shattered Obelisk

":"Incorporeal Movement", "rollDamageType":"force"} force damage if it ends its turn inside an object. Legendary Resistance (5/Day). If the refraction fails a saving throw, it can choose to succeed instead

Intelligence as the spellcasting ability (spell save DC 19): At will: detect magic, detect thoughts 3/day each: dispel magic, modify memory 1/day each: feeblemind, plane shift (self only) Teleport

Swarm of Cranium Rats

Monsters Mordenkainen Presents: Monsters of the Multiverse

, comprehend languages, detect thoughts 1/day each: confusion, dominate monsterMind flayers create cranium rat;cranium rats by bombarding rat;rats with psionic energy. Cranium rats are somewhat smarter than

rats as spies. The rats invade communities and act as eyes and ears for the colony’s elder brain, transmitting their thoughts when they swarm and are within range of the elder brain’s

Encephalon Cluster

Monsters Phandelver and Below: The Shattered Obelisk

Legendary Resistance (3/Day). If the cluster fails a saving throw, it can choose to succeed instead. Magic Resistance. The cluster has advantage on saving throws against spells and other magical

the attacker, it then makes one Slam attack against that attacker.An encephalon cluster pays no heed to an elder brain or its mind flayer progenitors. This grotesque creature shambles through dark

Alhoon

Monsters Mordenkainen Presents: Monsters of the Multiverse

, disguise self, mage hand, prestidigitation 1/day each: dominate monster, globe of invulnerability, invisibility, modify memory, plane shift (self only), wall of forceNegate Spell (3/Day). The

pursue arcane magic are exiled as deviants, and for them no everlasting communion with an elder brain is possible. The road to lichdom offers an alternative way to escape the permanency of death, but

Duergar Despot

Monsters Mordenkainen Presents: Monsters of the Multiverse

will: mage hand, minor illusion 1/day: stinking cloudDuergar despots replace parts of their bodies with mechanical devices that they control through their psionic abilities. Duergar Duergar are

dwarves of the deep reaches of the Underdark and other sunless realms. Their personalities and abilities have been deeply impacted by their ancestors’ captivity and torment by mind flayers; they

Dyrrn

Monsters Eberron: Rising from the Last War

creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Legendary Resistance (3/Day). If Dyrrn fails a saving throw, it can choose to succeed

teleport up to 30 feet to an unoccupied space it can see.Multiattack. Dyrrn makes one Tentacle Whip attack and uses its Corruption once. Dyrrn can replace its Tentacle Whip attack with Extract Brain if it

Neothelid

Monsters Mordenkainen Presents: Monsters of the Multiverse

(Psionics). The neothelid casts one of the following spells, requiring no spell components and using Wisdom as the spellcasting ability (spell save DC 16): At will: levitate 1/day each: confusion

external assault, and the elder brain is killed, the colony’s tadpoles are suddenly freed from their fate. They no longer serve as food—and are no longer fed by their caretakers. Driven by

Asteroid Spider

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

. Legendary Resistance (3/Day). If the spider fails a saving throw, it can choose to succeed instead. Unusual Nature. The spider doesn’t require air.Multiattack. The spider makes two Web Strand attacks

living brain functions like a spelljamming helm, allowing the spider to travel through Wildspace without a ship. It often haunts asteroid belts, lurking among normal asteroids until a spelljamming ship

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

Legendary Resistance (3/Day). If Zuggtmoy fails a saving throw, she can choose to succeed instead. Magic Resistance. Zuggtmoy has advantage on saving throws against spells and other magical

save DC 22): At will: detect magic, locate animals or plants 3/day each: dispel magic, entangle, plant growth 1/day each: etherealness, teleportProtective Thrall. When Zuggtmoy is hit by an attack

Elder Brain Legacy

Monsters Volo's Guide to Monsters

: At will: detect thoughts, levitate 1/day each: dominate monster, plane shift (self only) Legendary Resistance (3/Day). If the elder brain fails a saving throw, it can choose to succeed instead

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

Brain in a Jar (Noncore)

Monsters Lost Laboratory of Kwalish

Detect Sentience. The brain in a jar can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the

creature is protected by a mind blank spell. Magic Resistance. The brain in a jar has advantage on saving throws against spells and other magical effects. Innate Spellcasting (Psionics). The brain in

Mind Flayer Legacy

Monsters Monster Manual (2014)

Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components: At will: detect thoughts, levitate 1/day each: dominate monster, plane shift (self only)Tentacles

this grapple ends. Extract Brain. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated humanoid grappled by the

Mind Flayer Arcanist Legacy

Monsters Monster Manual (2014)

spellcasting ability is Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components: At will: detect thoughts, levitate 1/day each: dominate monster, plane shift (self

DC 15) and must succeed on a DC 15 Intelligence saving throw or be stunned until this grapple ends. Extract Brain. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction

Mind Flayer Lich (Illithilich) Legacy

Monsters Volo's Guide to Monsters

Legendary Resistance (3/Day). If the lich fails a saving throw, it can choose to succeed instead. Rejuvenation. If it has a phylactery, a destroyed lich gains a new body in 1d10;{"diceNotation

: detect thoughts, levitate 1/day each: dominate monster, plane shift (self only)Paralyzing Touch. Melee Spell Attack: +12;{"diceNotation":"1d20+12","rollType":"to hit","rollAction":"Paralyzing Touch

Ulitharid Legacy

Monsters Volo's Guide to Monsters

in this manner. Magic Resistance. The ulitharid has advantage on saving throws against spells and other magical effects. Psionic Hub. If an elder brain establishes a psychic link with the ulitharid

, 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

Brain in Iron

Monsters Infernal Machine Rebuild

Detect Sentience. The brain in a jar can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the

creature is protected by a mind blank spell. Magic Resistance. The brain in a jar has advantage on saving throws against spells and other magical effects. Innate Spellcasting (Psionics). The brain in

Gray Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

innately cast the following spells, requiring no material components: At will: detect magic, detect thoughts, invisibility (self only), mage hand, major image 2/day each: fear, fly, fireball

, tongues 1/day: plane shift (self only) Magic Resistance. The slaad has advantage on saving throws against spells and other magical effects. Magic Weapons. The slaad’s weapon attacks are magical

Death Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

thoughts, invisibility (self only), mage hand, major image 2/day each: fear, fireball, fly, tongues 1/day each: cloudkill, plane shift Magic Resistance. The slaad has advantage on saving throws against

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 acquire the

Green Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

cast the following spells, requiring no material components: At will: detect magic, detect thoughts, mage hand 2/day each: fear, invisibility (self only) 1/day: fireball Magic Resistance. The slaad has

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 acquire the gem. If the slaad

Outlander Legacy

Backgrounds Player’s Handbook (2014)

Origin You’ve been to strange places and seen things that others cannot begin to fathom. Consider some of the distant lands you have visited, and how they impacted you. You can roll on the following

and geography, and you can always recall the general layout of terrain, settlements, and other features around you. In addition, you can find food and fresh water for yourself and up to five other people each day, provided that the land offers berries, small game, water, and so forth.

Brain in a Jar

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

Brain in a Jar Through an eldritch ritual combining alchemy, necromancy, and grim surgical precision, the brain of a mortal being (willing or unwilling) is encased in a glass jar filled with

preserving fluids and the liquefied goop of their body’s flesh. The transformation renders the brain immortal and imbues it with psionic power, so that it can spend eternity plotting and executing its desires

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