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Returning 35 results for 'brain save'.
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
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
Monsters
Ravenloft: The Horrors Within
next turn. Success: Half damage only.
Spellcasting. The brain casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 14
Detect Intelligence. The brain magically senses the location of any creature within 300 feet of itself that has an Intelligence score of 3 or higher, regardless of interposing barriers.
Magic
Monsters
Ravenloft: The Horrors Within
-go can use its Extract Brain action.
The canister has AC 15, HP 40, and Resistance to all damage. The canister breaks if reduced to 0 Hit Points. If the canister is broken, any brains inside it are
);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Dazing Ray", "rollDamageType":"Force"} Force damage, and the target has the Stunned condition until the end of the mi-go’s next turn.
Extract Brain
Monsters
Ravenloft: The Horrors Within
has the Incapacitated condition and repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds automatically.Vampire mind flayers
originate from the alien domain of Bluetspur (see “Other Domains of Dread”). In seeking a cure for their degenerating elder brain, the illithids of that realm tried radical experiments. The
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
Anchor. The elder brain targets one creature it can sense within 120 feet of it and anchors it by sheer force of will. The target must make a DC 18 Charisma saving throw. On a failed save, its speed is
Elder Brain
Legacy
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Monsters
Volo's Guide to Monsters
this manner.
Innate Spellcasting (Psionics). The elder brain’s innate spellcasting ability is Intelligence (spell save DC 18). It can innately cast the following spells, requiring no components
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
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
Monsters
Spelljammer: Adventures in Space
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
damage.
Extract Brain. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType":"to hit","rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated Humanoid. Hit: 35 (10d6
Brain in a Jar
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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
Legacy
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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
Mind Flayer Arcanist
Legacy
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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
only)
Spellcasting. The mind flayer arcanist is a 10th-level spellcaster. Its spellcasting ability is Intelligence (save DC 15, +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction
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
Mind Flayer
Legacy
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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 Lich (Illithilich)
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Monsters
Volo's Guide to Monsters
-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 20, +12;{"diceNotation":"1d20+12","rollType":"to hit","rollAction":"Spellcasting"} to hit with spell attacks). The lich has
effects.
Innate Spellcasting (Psionics). The lich’s innate spellcasting ability is Intelligence (spell save DC 20). It can innately cast the following spells, requiring no components.
At will
Monsters
Icewind Dale: Rime of the Frostmaiden
Innate Spellcasting (Psionics). The squidling’s innate spellcasting ability is Intelligence (spell save DC 7). It can innately cast levitate at will, requiring no components.
Magic Resistance
grappled (escape DC 7) and must succeed on a DC 7 Intelligence saving throw or be stunned until this grapple ends.
Extract Brain. Melee Weapon Attack: +0;{"diceNotation":"1d20+0","rollType":"to hit
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
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
Monsters
Icewind Dale: Rime of the Frostmaiden
Innate Spellcasting (Psionics). The ceremorph’s innate spellcasting ability is Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components:
At will
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
Magic Items
Phandelver and Below: The Shattered Obelisk
This soft, violet cap bears stitching in the pattern of folds on a brain.
As a bonus action while wearing the cap, you can project psychic energy in a 60-foot cone. Each creature in that area must
make a DC 15 Intelligence saving throw. On a failed save, a creature takes 5d8 psychic damage and has the stunned condition for 1 minute. On a successful save, the creature takes half as much damage
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
Monsters
Planescape: Adventures in the Multiverse
":"damage", "rollAction":"Slam", "rollDamageType":"bludgeoning"} bludgeoning damage.
Extract Brain. Melee Weapon Attack: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"Extract Brain
"} to hit, reach 5 ft., one Humanoid with the incapacitated condition. Hit: 45 (10d8);{"diceNotation":"10d8", "rollType":"damage", "rollAction":"Extract Brain", "rollDamageType":"piercing"} piercing
Mind Flayer Psion
Legacy
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Monsters
Volo's Guide to Monsters
spellcasting ability is Intelligence (spell save DC 15; +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Innate Spellcasting"} to hit with spell attacks). It can innately cast the following
until 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
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
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
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
Monsters
Fizban's Treasury of Dragons
Constitution saving throw, taking 55 (10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Tadpole Brine Breath","rollDamageType":"psychic"} psychic damage on a failed save, or half as
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
Gray Slaad (control gem variant)
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Monsters
Monster Manual (2014)
is wearing or carrying isn’t transformed. It reverts to its true form if it dies.
Innate Spellcasting. The slaad’s innate spellcasting ability is Charisma (spell save DC 14). The slaad can
.
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
Death Slaad (control gem variant)
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Monsters
Monster Manual (2014)
is wearing or carrying isn't transformed. It reverts to its true form if it dies.
Innate Spellcasting. The slaad's innate spellcasting ability is Charisma (spell save DC 15, +7;{"diceNotation":"1d20+7
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)
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Monsters
Monster Manual (2014)
is wearing or carrying isn't transformed. It reverts to its true form if it dies.
Innate Spellcasting. The slaad's innate spellcasting ability is Charisma (spell save DC 12). The slaad can innately
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
of its hit points remaining, the swarm casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 13):
At will: command
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
, taking 35 (10d6);{"diceNotation":"10d6","rollType":"damage","rollAction":"Acid Breath","rollDamageType":"acid"} acid damage on a failed save, or half as much damage on a successful one.
Spellcasting
(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
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
Monsters
Phandelver and Below: The Shattered Obelisk
chance to mutate into what is known as an encephalon cluster—a ravenous, slimy, psionic, brain-shaped mass that spawns horrors called encephalon gemmules.PsychicLeech. The gemmule targets one
creature within 5 feet of itself and forces the target to make a DC 14 Dexterity saving throw. On a failed save, the gemmule enters the target’s space and attaches to the target. While the gemmule is
Monsters
Mordenkainen Presents: Monsters of the Multiverse
it can see within 120 feet of it:
1: Aversion Ray. The targeted creature must make a DC 13 Charisma saving throw. On a failed save, the target has disadvantage on attack rolls for 1 minute. The target
Dexterity saving throw. On a failed save, the target’s speed is halved for 1 minute. In addition, the creature can’t take reactions, and it can take either an action or a bonus action on its