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Returning 35 results for 'being brain day construct reaction'.
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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
Spores (3/Day). The myconid releases spores at a Medium or Small corpse within 5 feet of it that wasn’t a Construct or an Undead. In 24 hours, the corpse rises as a Myconid Spore Servant. The corpse
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
Monsters
Monster Manual
creature it can see within 60 feet of itself that has the Rampage Bonus Action. The target can take a Reaction to make one melee attack.Rampage (2/Day). Immediately after dealing damage to a creature that is already Bloodied, the gnoll moves up to half its Speed, and it makes one Bone Whip attack.
Monsters
Monster Manual
Legendary Resistance (3/Day, or 4/Day in Lair). If the beholder fails a saving throw, it can choose to succeed instead.Multiattack. The beholder uses Eye Rays three times.
Bite. Melee Attack Roll
, such as manipulating a tool or opening a door or container. 7: Sleep Ray. Wisdom Saving Throw: DC 16 (the target succeeds automatically if it is a Construct or an Undead). Failure: The target has the
Magic Items
Dungeon Master’s Guide
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
energy sprang from a void of negative energy and will one day return to it. Blackrazor is meant to hurry that process along.
Despite its nihilism, Blackrazor feels a strange kinship to Wave and Whelm
Monsters
Monster Manual
Legendary Resistance (3/Day, or 4/Day in Lair). If the death tyrant fails a saving throw, it can choose to succeed instead.Multiattack. The death tyrant uses Eye Rays three times.
Bite. Melee Attack
control on objects with this ray, such as manipulating a tool or opening a door or container.
Sleep Ray. Wisdom Saving Throw: DC 17 (the target succeeds automatically if it is a Construct or an Undead
Monsters
Infernal Machine Rebuild
with controlling a construct for all time as punishment.
If this adventure is played as a sequel to Lost Laboratory of Kwalish, this creature began as the Brain in a jar;brains in jars encountered in the
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
Monsters
Eberron: Forge of the Artificer
):
At Will: Druidcraft, Light, Speak with Animals
3/Day Each: Animal Friendship, Animal Messenger
1/Day: Ice StormCombining druidic magic with skill at handling natural and monstrous animals, the
Beast. The heir targets a Beast it can see within 30 feet. The target can take a Reaction to move up to half its Speed and make one melee attack.
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
monsters
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
creature isn’t a Construct or an Undead, it becomes infested with illithid tadpoles.
While infested, the creature takes 16 (3d10);{"diceNotation":"3d10", "rollType":"damage", "rollAction":"Tadpole
Elder Brain
Legacy
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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
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
: a larger and more potent mind flayer with six tentacles. Illithids innately recognize that an ulitharid’s survival is more important than their own. An elder brain’s reaction to the rise
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
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
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
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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
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
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
Magic Items
Tasha’s Cauldron of Everything
While holding this lyre, you can cast mending as an action. You can also play the lyre as a reaction when an object or a structure you can see within 300 feet of you takes damage, causing it to be
immune to that damage and any further damage of the same type until the start of your next turn.
In addition, you can play the lyre as an action to cast fabricate, move earth, passwall, or summon construct (appears in this book), and that spell can’t be cast from it again until the next dawn.
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
much damage on a successful one. On a success or failure, if the creature isn’t a Construct or an Undead, it becomes infested with illithid tadpoles.
While infested, the creature takes 16 (3d10
Mind Flayer Lich (Illithilich)
Legacy
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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
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
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
monsters
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 Attack Roll: +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
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
magic-items
bonus to Armour Class while wearing this armour. Twice per day, when an enemy moves within 5 ft of you, you can fly up to 10 ft away from them in a flurry of feathers as a Reaction without provoking opportunity attack;opportunity attacks.
magic-items
bonus to Armour Class while wearing this armour. Twice per day, when an enemy moves within 5 ft of you, you can fly up to 10 ft away from them in a flurry of feathers as a Reaction without provoking opportunity attack;opportunity attacks.
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
magic-items
bonus to Armour Class while wearing this armour. Twice per day, when an enemy moves within 5 ft of you, you can fly up to 10 ft away from them in a flurry of feathers as a Reaction without provoking opportunity attack;opportunity attacks.
magic-items
bonus to Armour Class while wearing this armour. Twice per day, when an enemy moves within 5 ft of you, you can fly up to 10 ft away from them in a flurry of feathers as a Reaction without provoking opportunity attack;opportunity attacks.
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
Gray Slaad (control gem variant)
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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)
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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
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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
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