detect interest are brain

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

condition, is a Humanoid or Beast, and has 10 Hit Points or fewer. Failure: The intellect devourer possesses the target, consumes its brain, and teleports inside its skull. While there, the intellect

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

: Half damage only. Spellcasting. The mind flayer casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 17): At Will: Detect

Elder Brain

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

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

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

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

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

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

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

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

Infected Elder Brain

Monsters Phandelver and Below: The Shattered Obelisk

brain casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 17): At will: detect thoughts, levitateThe Far Realm has tainted

Creature Sense. The elder brain is aware of creatures within 1 mile of itself that have an Intelligence score of 4 or higher. It knows the distance and direction to each creature, as well as each one

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

Brain Breaker

Monsters Phandelver and Below: The Shattered Obelisk

). The brain breaker casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 17): At will: detect thoughts, levitateBrain

Creature Sense. The brain breaker is aware of creatures within 1 mile of itself that have an Intelligence score of 4 or higher. It knows the distance and direction to each creature, as well as each

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 Clairvoyant

Monsters Phandelver and Below: The Shattered Obelisk

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

":"1d20+9", "rollType":"to hit", "rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated Humanoid grappled by the mind flayer. Hit: 55 (10d10);{"diceNotation":"10d10", "rollType":"damage

Refraction of Ilvaash

Monsters Phandelver and Below: The Shattered Obelisk

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

-Brain. When Ilsensine left the Far Realm to establish a divine domain elsewhere, pieces of the God-Brain sloughed away and awoke to sentience. This is Ilvaash, the Dissonant Psyche. The refraction of

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

Precognitive Mage

Monsters Guildmasters’ Guide to Ravnica

Innate Spellcasting. The mage’s innate spellcasting ability is Intelligence (spell save DC 14). It can cast the following spells, requiring no material components: 3/day: detect thoughts, mage

the Azorius Senate. For decades, she worked in almost complete anonymity, her gifts unappreciated. But with the senate displaying an increased interest in the talents of precognitive mages, Geetra has

Neothelid

Monsters Mordenkainen Presents: Monsters of the Multiverse

larger than a few inches in length without being implanted in a brain so they can’t become such threats. Neothelids are not intelligent enough for elder brains to detect, so mind flayers are

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

Alhoon

Monsters Mordenkainen Presents: Monsters of the Multiverse

alhoon casts one of the following spells, requiring no material components and using Intelligence as the spellcasting ability (spell save DC 16): At will: dancing lights, detect magic, detect thoughts

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

Bael

Monsters Mordenkainen Presents: Monsters of the Multiverse

one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 21): At will: alter self (can become Medium), charm person, detect magic

. His critics call him naive, though never to his face. His primary interest has always been leading soldiers in battle, so he finds it frustrating to have his ambitions of ascending to a higher rank

The Abbot

Monsters Curse of Strahd

spells, requiring only verbal components: At will: detect evil and good 1/day each: commune, raise dead Magic Resistance. The Abbot has advantage on saving throws against spells and other magical

languish in the abbey's madhouse, the Abbot is giving his creation lessons in etiquette and ladylike conduct so that “she” can be formally presented to Strahd and win his love. Strahd has no interest

Young Emerald Dragon

Monsters Fizban's Treasury of Dragons

hand is invisible), minor illusion 1/day each: detect thoughts, invisibility, silent imageEmerald dragons are the most curious, cunning, and manipulative of the gem dragons, wielding psionic power to

, or at least get close without arousing suspicion. Once in a position to observe, the dragon studies the day-to-day life of local folk, with a keen interest in any magical phenomena. Emerald dragons

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

a victim’s brain, turning it into a fanatic servitor. Each victim gains the Spore Kissed trait. Spore Kissed. This creature is immune to the charmed and frightened conditions. In addition

Adult Emerald Dragon

Monsters Fizban's Treasury of Dragons

Intelligence as the spellcasting ability (spell save DC 17): At will: mage hand (the hand is invisible), minor illusion 1/day each: detect thoughts, dispel magic, invisibility, major imageThe dragon can

close without arousing suspicion. Once in a position to observe, the dragon studies the day-to-day life of local folk, with a keen interest in any magical phenomena. Emerald dragons&rsquo

Ancient Emerald Dragon

Monsters Fizban's Treasury of Dragons

ability (spell save DC 20): At will: mage hand (the hand is invisible), minor illusion 1/day each: detect thoughts, dispel magic, etherealness, major image, misleadThe dragon can take 3 legendary

arousing suspicion. Once in a position to observe, the dragon studies the day-to-day life of local folk, with a keen interest in any magical phenomena. Emerald dragons’ attentiveness to unusual

Lady Illmarrow

Monsters Eberron: Rising from the Last War

missile, shield, sleep 2nd level (3 slots): blur, detect thoughts, mirror image 3rd level (3 slots): animate dead, counterspell, fireball, fly, lightning bolt 4th level (3 slots): blight, confusion

Emerald Claw, but her motives for founding the order are buried in her past. Lady Illmarrow has no interest in ruling the living. Rather, she seeks to become Queen of the Dead. The Mark of Death

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 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

): detect magic, disguise self, shield, sleep 2nd level (3 slots): blur, invisibility, ray of enfeeblement 3rd level (3 slots): clairvoyance, lightning bolt, sending 4th level (3 slots): confusion

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

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

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

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

Mind Flayer Lich (Illithilich) Legacy

Monsters Volo's Guide to Monsters

the following wizard spells prepared: Cantrips (at will): mage hand, prestidigitation, ray of frost 1st level (4 slots): detect magic, magic missile, shield, thunderwave 2nd level (3 slots): acid

arrow, detect thoughts, invisibility, mirror image 3rd level (3 slots): animate dead, counterspell, dispel magic, fireball 4th level (3 slots): blight, dimension door 5th level (3 slots): cloudkill

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

Intellect Devourer Legacy

Monsters Monster Manual (2014)

Detect Sentience. The intellect devourer 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

damage. Devour Intellect. The intellect devourer targets one creature it can see within 10 feet of it that has a brain. The target must succeed on a DC 12 Intelligence saving throw against this magic or

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

. Regeneration. The slaad regains 10 hit points at the start of its turn if it has at least 1 hit point. Control Gem. Implanted in the slaad’s brain is a magic control gem. The slaad must obey

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