before brain detect creatures reduces

Mind Flayer

Monsters Monster Manual

":"Piercing"} Piercing damage. Success: Half damage. Failure or Success: If this damage reduces the target to 0 Hit Points, the mind flayer kills it and devours its brain. Mind Blast (Recharge 5–6

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

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

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

Crystal Ball of Mind Reading

Magic Items Dungeon Master’s Guide

While touching this crystal orb, you can cast Scrying (save DC 17) with it. In addition, you can cast Detect Thoughts (save DC 17) targeting creatures you can see within 30 feet of the spell’s

sensor. You don’t need to concentration;concentrate on this Detect Thoughts spell to maintain it during its duration, but it ends if the Scrying spell ends.

Crystal Ball

Magic Items Dungeon Master’s Guide

creatures you can see within 30 feet of the spell’s sensor. You don’t need to concentrate on this Detect Thoughts to maintain it during its duration, but it ends if Scrying ends. Crystal Ball

items and have additional properties. Crystal Ball of Mind Reading. You can use an action to cast the Detect Thoughts spell (save DC 17) while you are scrying with the crystal ball, targeting

Couatl

Monsters Monster Manual

Shielded Mind. The couatl’s thoughts can’t be read by any means, and other creatures can communicate with it telepathically only if it allows them.Bite. Melee Attack Roll: +7

save DC 15): At Will: Detect Evil and Good, Detect Magic, Detect Thoughts, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary

Rakshasa

Monsters Monster Manual

’s permission, no spell can observe the rakshasa remotely or detect its thoughts, creature type, or alignment. Fiendish Restoration. If the rakshasa dies outside the Nine Hells, its body turns to

spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 18): At Will: Detect Magic, Detect Thoughts, Disguise Self, Mage Hand, Minor Illusion 1/Day

Banshee

Monsters Monster Manual

Detect Life. The banshee magically senses the direction of creatures up to 1 mile away that aren’t Constructs or Undead. Incorporeal Movement. The banshee can move through other creatures and

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

When this 4-foot-tall, 2-foot-wide mirror is viewed indirectly, its surface shows faint images of creatures. The mirror weighs 50 pounds, and it has AC 11, HP 10, Immunity to Poison and Psychic

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

);{"diceNotation":"10d10", "rollType":"damage", "rollAction":"Death Ray", "rollDamageType":"Necrotic"} Necrotic damage. Success: Half damage. Failure or Success: The target dies if the ray reduces it to 0

Flumph

Monsters Monster Manual

’s thoughts can’t be read by any means, and magic can’t detect its location or observe it remotely.Tentacle. Melee Attack Roll: +4;{"diceNotation":"1d20+4", "rollType":"to hit

":"Stench Spray"} hours, and has the Poisoned condition while the stench lasts. Other creatures have the Poisoned condition while in a 5-foot Emanation originating from the coated target. The target can remove the stench on itself if it bathes during a Short or Long Rest.Psychic

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

", "rollType":"damage", "rollAction":"Death Ray", "rollDamageType":"Necrotic"} Necrotic damage. Success: Half damage. Failure or Success: The target dies if the ray reduces it to 0 Hit

Dracolich

Monsters Monster Manual

Legendary Resistance (3/Day, or 4/Day in Lair). If the dracolich fails a saving throw, it can choose to succeed instead. Life Suppression. Creatures within 60 feet of the dracolich can’t

spellcasting ability (spell save DC 19, +11;{"diceNotation":"1d20+11", "rollType":"to hit", "rollAction":"Spellcasting"} to hit with spell attacks): At Will: Detect Magic, Ray of Sickness (level 2

Dracolich (Gargantuan)

Monsters Monster Manual

Legendary Resistance (3/Day, or 4/Day in Lair). If the dracolich fails a saving throw, it can choose to succeed instead. Life Suppression. Creatures within 60 feet of the dracolich can’t

spellcasting ability (spell save DC 19, +11;{"diceNotation":"1d20+11", "rollType":"to hit", "rollAction":"Spellcasting"} to hit with spell attacks): At Will: Detect Magic, Ray of Sickness (level 2

Arch-hag

Monsters Monster Manual

spellcasting ability (spell save DC 22): At Will: Detect Thoughts, Dimension Door,Dispel Magic, Hypnotic Pattern 2/Day Each: Mass Suggestion, Modify Memory, Plane Shift Tongue Twister. The

lairs frequently change or exhibit bewildering features. The region containing an arch-hag’s lair is altered by its presence, creating the following effects: Lapsus Linguae. Creatures

Deck of Many Things

Magic Items Dungeon Master’s Guide

effect. Comet. The next time you enter combat against one or more Hostile creatures, you can select one of them as your foe when you roll Initiative. If you reduce your foe to 0 Hit Points during that

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

Dirge

Spells Forgotten Realms: Heroes of Faerûn

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

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.

Speaker Devil

Monsters Astarion's Book of Hungers

. Spellcasting. The devil casts one of the following spells, requiring no Material components and using Intelligence as the spellcasting ability (spell save DC 18): At Will: Detect Magic, Detect Thoughts 2/Day

Each: Dimension Door, Modify MemoryDevil of Spoken Compulsion Speaker devils are hulking, four-armed devils who discover the secrets of creatures they then compel to perform wicked deeds. Despite

Tome of the Dragon

Magic Items Forgotten Realms: Adventures in Faerûn

number of creatures conducting the ritual. During the ritual, you and any assistants must work without interruption, resting no more than 8 hours per day. If you are a Dragon, the cost of supplies and

)", "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

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

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

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

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

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

Valindra Shadowmantle

Monsters Forgotten Realms: Adventures in Faerûn

spells, using Intelligence as the spellcasting ability (spell save DC 20): At Will: Detect Magic, Detect Thoughts, Dispel Magic, Fly, Invisibility, Lightning Bolt (level 5 version), Mage Hand

and using the same spellcasting ability as her Spellcasting action. Apathy. Creatures within 1 mile of the lair that aren’t Undead have Disadvantage on Death Saving Throws and Initiative rolls

Adult Spirit Dragon

Monsters Forgotten Realms: Adventures in Faerûn

dragon casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 18): At Will: Detect Magic, Shapechange (Beast or Humanoid form

empires. The region containing an adult or ancient spirit dragon’s lair is changed by its presence, creating the following effects: Enchanted Acoustics. Creatures within 1 mile of the lair have

Ancient Spirit Dragon

Monsters Forgotten Realms: Adventures in Faerûn

. Spellcasting. The dragon casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 22): At Will: Detect Magic, Shapechange

containing an adult or ancient spirit dragon’s lair is changed by its presence, creating the following effects: Enchanted Acoustics. Creatures within 1 mile of the lair have Advantage on Charisma

Vampire Infernalist

Monsters Astarion's Book of Hungers

spellcasting ability (spell save DC 18): At Will: Detect Magic, Detect Thoughts, Dispel Magic, Fireball (level 4 version), Mage Hand, Prestidigitation 2/Day: Scrying 1/Day: Wall of FireLegendary

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

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

remains active for 24 hours. While active, the mobility wonder increases your Speed to 30 feet. Other creatures can’t remove your mobility wonder from you unless you allow it.

Mind Flayer Prophet

Monsters Phandelver and Below: The Shattered Obelisk

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

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

Sammaster (Dracolich Form)

Monsters Forgotten Realms: Adventures in Faerûn

Legendary Resistance (3/Day). If Sammaster fails a saving throw, he can choose to succeed instead. Life Suppression. Creatures within 60 feet of Sammaster can’t regain Hit Points. Magic

", "rollAction":"Spellcasting"} to hit with spell attacks): At Will: Blight, Detect Magic, Dispel Magic, Mage Hand, Prestidigitation, Ray of Sickness (level 6 version) 2/Day Each: Dimension Door

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

: 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

Sammaster (Lich Form)

Monsters Forgotten Realms: Adventures in Faerûn

Legendary Resistance (3/Day). If Sammaster fails a saving throw, he can choose to succeed instead. Life Suppression. Creatures within 60 feet of Sammaster can’t regain Hit Points. Magic

following spells, requiring no Material components and using Intelligence as the spellcasting ability (spell save DC 21): At Will: Cone of Cold, Detect Magic, Dispel Magic, Invisibility, Mage Hand

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

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

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

and other magical effects. Telepathic Hub. The elder brain can use its telepathy to initiate and maintain telepathic conversations with up to ten creatures at a time. The elder brain can let those

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

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

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