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Returning 35 results for 'down inside are brain'.
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Monsters
Monster Manual
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
intellect devourer must leave it. The intellect devourer is also forced out if the target regains its devoured brain by means of a Wish spell. By spending 5 feet of its movement, the intellect devourer
Monsters
Spelljammer: Adventures in Space
.
After a neh-thalggu kills a victim, it uses its pincers to cut open the victim’s head and remove the brain. It then swallows the brain whole. The collected brain is stored inside one of several
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
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
-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
Mordenkainen Presents: Monsters of the Multiverse
on a single turn from a creature inside it, the neothelid must succeed on a DC 18 Constitution saving throw at the end of that turn or regurgitate all swallowed creatures, which fall prone in a space
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
worms jump onto nearby Humanoids and burrow into their flesh. A worm that penetrates a Humanoid body makes its way to the creature’s brain. Once inside the brain, the worm kills its host and
Monsters
Mordenkainen Presents: Monsters of the Multiverse
countless chambers have been hollowed out inside their rubbery stalks.
Lair Actions
On initiative count 20 (losing initiative ties), Zuggtmoy can take one of the following lair actions; she can&rsquo
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
Elder Brain
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Monsters
Volo's Guide to Monsters
Actions
When fighting inside its lair, an elder brain can use lair actions. On initiative count 20 (losing initiative ties), an elder brain can take one lair action to cause one of the following
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
Intellect Devourer
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Monster Manual (2014)
the contest, the intellect devourer magically consumes the target’s brain, teleports into the target’s skull, and takes control of the target’s body. While inside a creature, the
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
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Boo’s Astral Menagerie
collected brain is stored inside one of several pockets in the neh-thalggu’s head. Once it has collected twelve brains in this fashion, it is overcome by an urge to return to the Far Realm and begins
Neh-thalggu Known throughout the multiverse as brain collectors, neh-thalggu consume the brains of Humanoids and use them as receptacles to enhance their magical abilities. Neh-thalggu are born in
Compendium
- Sources->Dungeons & Dragons->Monster Manual (2014)
evil and good. If it wins the contest, the intellect devourer magically consumes the target’s brain, teleports into the target’s skull, and takes control of the target’s body. While inside a creature
Intellect Devourer An intellect devourer resembles a walking brain protected by a crusty covering and set on bestial clawed legs. This foul aberration feeds on the intelligence of sentient creatures
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
traipsed about inside it and comes looking for revenge. Able to fly as easily as it drifts through the Endless Void, the Nematode slips through the planes until it soars above Phandalin. The Nematode
the inside, just as they did in the Endless Void. This time, the Nematode’s interior is populated with eel-like young spawned in its digestive juices (use the behir stat block, but they exhale acid
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
and with psionic energy.
Lair Actions When fighting inside its lair, an elder brain can use lair actions. On initiative count 20 (losing initiative ties), an elder brain can take one lair action to
and twisted are they that a palpable sense of foreboding haunts those who intrude upon a meenlock lair. Inside the warren, black moss covers every surface, muffling sound. A large central chamber
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
— and what appears to be a humanoid brain.
Any wires spotted by the characters in area M2 all eventually end up here. An inspection of the room and its control panels show that most of the magical
“enlightened ones.” Through the technology of the planar craft and Kwalish’s experimentation, each brain in a jar has been chained to the others to form a hive-mind consciousness, even as each retains its
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
with any creatures still inside it. The journal can be safely opened by the brain in a jar, or with a successful DC 18 Dexterity check using thieves’ tools. Its pages detail how Kwalish continued his
the journal from Kwalish’s original expedition — and a final brain in a jar. Creature. The brain in a jar in this area belongs to the bone devil that founded the monastery. It is in charge of the
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
, surgical tools, coiled leather tubes, and more. Behind the tables stands an ornate suit of armor. Where the head should be is a swollen human brain floating inside a canister of translucent fluid
pass through it, nor can they teleport to any location inside it. Any creature that performs the Rite of the Arcane Octad (see "Rite of the Arcane Octad") near the spire can pass through the force
Compendium
- Sources->Dungeons & Dragons->Monster Manual
Incapacitated 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 Devourer Brain-Eating Body Thief Habitat: Underdark; Treasure: None Intellect devourers serve their mind flayer creators by consuming other creatures’ brains and puppetizing the mindless
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
Whispers, which is located deep inside the floating city. She sits on her Throne of Bones, a mighty artifact fueled by the intellects of mind flayers and elder brains that were defeated by her minions
. It is crafted from mind flayer skulls and extremities, and the cushion she sits on is made of leather produced from the cured remains of an elder brain. A grand statue of Gith, an obsidian monument over 100 feet tall, stands beside the palace.
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
. It opens as described in the “Illithinoch Features” section. Once the characters open this door and trigger its jarring mental pulse, the infected elder brain in area X15 takes notice of their
, holding a brain in each hand. The statue is made of one large piece of greenish stone, although the brains are covered with green mucus that drips from the statue’s hands into a puddle on the floor
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
licking brain matter off its even, white teeth. Ablinash believed the meninges was the tastiest and most significant part of the brain, which is why it dedicated itself to the nascent godlet Ilvaash
adorning the statue’s base. Unlike the mouth on the base, the statue’s mouth hangs open, just wide enough to see that it bears only the stump of a tongue inside. A character who succeeds on a DC 15
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
Hammerthorn
The conflict began in ages past, when the world was new. Almost all the dwarves were more than content to make their homes inside the mountains and hills that were filled with ore and other
-willed individuals of the clan survived this brutal campaign. When their delving finally broke through into a cavern, the dwarves found the cause of their obsession. A great elder brain and its mind
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
The Nematode The Nematode is unique among the floating nodules; it is an animate if lethargic creature, akin to a brain parasite on a massive scale, rather than an inert nodule. It is mostly inert
decide whether to be outside the Nematode or inside its closed mouth. There is no light in the cave once it shuts unless the characters have light sources with them. When the mouth closes, two intellect
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
the polluted stream. He knows the source of the corruption is inside a cave that the stream spills out of. He gives the characters a magic acorn. If swallowed, the acorn conveys the benefits of a
the stream. The cave’s main features and inhabitants are as follows: Entrance. A Shrieker Fungus just inside the cave entrance alerts the inhabitants to the characters’ arrival. On watch near the
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
assault, and the elder brain (appears in this book) 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
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 always alert for signs of their presence
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
an external assault, and the elder brain is killed. When that happens, the colony’s tadpoles are suddenly freed from their fate. They no longer serve as food, and in turn are no longer fed by their
strongest taboos in illithid society is the idea of allowing a mature tadpole to survive without implanting it into a donor brain. Under normal circumstances, any tadpole that grows larger than a few
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
. Once inside the brain, the worm kills its host and animates the corpse, transforming it into a spawn of Kyuss, which breeds more worms. Spawn of Kyuss are expressions of Orcus’s intent to replace all
green worms crawling in and out of it become visible. These worms jump onto nearby Humanoids and burrow into their flesh. A worm that penetrates a Humanoid body makes its way to the creature’s brain
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
. A worm that penetrates a humanoid body makes its way to the creature’s brain. Once inside the brain, the worm kills its host and animates the corpse, transforming it into a spawn of Kyuss that
breeds more worms. The dead humanoid’s soul remains trapped inside the corpse, preventing the individual from being raised or resurrected until the undead body is destroyed. The horror of being a soul
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
?”
When the characters arrive at the Sleeping Giant, the inside is dark. Wheel-of-Fortune stands behind the bar. Their purple skin gleams with a thin sheen of mucus, and their skull and limbs have
under the Sleeping Giant connects to Underdark passages. She posits that the magical force that Wheel-of-Fortune senses might be an elder brain, the psychic hub of every mind flayer stronghold. (Gwyn
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
Graymatter Guardian Alfven Ato The graymatter engine serves as Landro’s brain, though it can’t control the colossus’s mechanical systems The graymatter engine has—or, more aptly, is—a mind of its
antigravity wells and floors—is dispelled. Barrier Dropped. The invisible barrier around Landro disappears. Self-Destruct Initiated. Characters inside Landro must succeed on a DC 14 Dexterity saving
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
recently, Arcturia had a mind flayer assistant. She tore off its head to study the psychic energy stored in its brain. Next to the head is a long pair of steel tweezers and a ladle. The 1-foot black cube
enough to fit in the box (such as a rat or a lizard) is placed inside and the lid is closed tightly, the box magically transforms it into some other Tiny beast (your choice) unless it succeeds on a DC 15
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
the goblins destroyed and desecrated, trapping people inside. The Sleeping Giant, where goblins ransacked the bar. The crime scenes are further detailed in the “Stolen Shards” section. The characters
stationed in an old duergar mining outpost somewhere near here, but underground. Goblin Leader. They are working for a goblin named Ruxithid the Chosen. Ruxithid has a “big brain,” bestowed upon him by
Compendium
- Sources->Dungeons & Dragons->Keys from the Golden Vault
stack of ten placards numbered 0 through 9. When a creature inside the Abacus Car asks a mathematical question to which the answer is a number, the Math Wizard taps the podium with its wand and says
next hour. If the check succeeds, the character discovers a profound equation nestled among the others. Like a key, this equation unlocks something in the character’s brain, with the effect determined
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
devours Spite’s brain. In exchange for their help, Cephalossk promises to tell them “three secrets that every Undermountain explorer should know.” Once it has fed on Spite’s brain, Cephalossk makes
years before ending up in Skullport, where they heard rumors of a secret academy for magic-users deep inside Undermountain. They fought tooth and nail to reach Dweomercore, but the place hasn’t lived up
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
inside a hollow red triangle.
Patrols. Four bands of hobgoblins patrol Azrok’s Hold. Each patrol consists of three hobgoblins and a hobgoblin captain, who interrogates visitors and demands to see
, she leads them to area 21a but fearfully refuses to go inside. Treasure. If the characters return the doll to Huggybug, she gives them a turquoise dolphin figurine (25 gp) in gratitude. 21c
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
, ghostly brain looms in front of the room’s only exit, several razor-sharp claws dangling from its underside. It pulses with alien power as it telepathically intones, “You have stampeded through my
objects as if they were difficult terrain. It takes 5 (1d10) 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
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
from the others with a wall of force spell. It then uses its Mind Blast to stun its prey as a prelude to extracting its brain.
If N’ghathrod is reduced to 55 hit points or fewer, its survival
images and sounds of the Far Realm that last until initiative count 20 on the next round. Any creature that isn’t an aberration that starts its turn inside the ship must succeed on a DC 15 Wisdom saving






