behind brain diffusing check returns

Modron Duodrone

Monsters Monster Manual

Disintegration. If the modron dies, it disintegrates into dust, leaving behind anything it was wearing or carrying.Multiattack. The modron makes two Clockwork Blade attacks. Clockwork Blade. Melee

", "rollAction":"Clockwork Blade", "rollDamageType":"Force"} Force damage. Hit or Miss: The blade magically returns to the modron’s hand immediately after a ranged attack.

Modron Tridrone

Monsters Monster Manual

Disintegration. If the modron dies, it disintegrates into dust, leaving behind anything it was wearing or carrying.Multiattack. The modron makes three Clockwork Spear attacks. Clockwork Spear. Melee

", "rollAction":"Clockwork Spear", "rollDamageType":"Force"} Force damage. Hit or Miss: The spear magically returns to the modron’s hand immediately after a ranged attack.

Portable Hole

Magic Items Dungeon Master’s Guide

next to nothing. If the hole is folded up, a creature within the hole’s extradimensional space can take an action to make a DC 10 Strength (Athletics) check. On a successful check, the creature

where the one item was placed inside the other. Any creature within 10 feet of the gate and not behind Total Cover is sucked through it and deposited in a random location on the Astral Plane. The gate then closes. The gate is one-way only and can’t be reopened.

Vampire

Monsters Monster Manual

, and it must reach its resting place within 2 hours or be destroyed. Once in its resting place, it returns to its vampire form and has the Paralyzed condition until it regains any Hit Points, and it

regains 1 Hit Point after spending 1 hour there. Spider Climb. The vampire can climb difficult surfaces, including along ceilings, without needing to make an ability check. Vampire Weakness. The

Sphere of Annihilation

Magic Items Dungeon Master’s Guide

within 60 feet of a sphere, you can take a Magic action to make a DC 25 Intelligence (Arcana) check. On a successful check, you control the sphere until the start of your next turn, and if it was under

another creature’s control, that creature loses control of the sphere. On a failed check, the sphere moves 10 feet toward you in a straight line. While in control of the sphere, you can take a

Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

general chapters remain, ever revealing demonic secrets. Caged behind lines of script roils a secret piece of the Abyss itself, which keeps the book up-to-date, no matter how many pages are removed, and

it longs to be more than mere reference material. Abyssal Lore. You can reference the Demonomicon whenever you make an Intelligence check to discern information about demons or a Wisdom (Survival

Elder Brain Legacy

Monsters Volo's Guide to Monsters

that loom large in its mind (including things the target worries about, loves, or hates). The elder brain can also make a Charisma (Deception) check with advantage to deceive the target’s mind

into thinking it believes one idea or feels a particular emotion. The target contests this attempt with a Wisdom (Insight) check. If the elder brain succeeds, the mind believes the deception for 1 hour

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

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

Neh-thalggu

Monsters Spelljammer: Adventures in Space

bulging eyes and a tooth-filled maw dominate its hideous visage. Behind and above these features, one or more lumps protrude from its body, each one containing a brain the neh-thalggu has consumed

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

Blue Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

point. Control 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

remove the gem from an incapacitated slaad. Each try requires 1 minute of uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10

Infected Elder Brain

Monsters Phandelver and Below: The Shattered Obelisk

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

. Magic Resistance. The elder brain has advantage on saving throws against spells and other magical effects. Telepathic Hub. The elder brain can use its telepathy to initiate and maintain telepathic

Brain Breaker

Monsters Phandelver and Below: The Shattered Obelisk

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

. Magic Resistance. The brain breaker has advantage on saving throws against spells and other magical effects. Telepathic Hub. The brain breaker can use its telepathy to initiate and maintain

Gray Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

. 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

uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollDamageType":"psychic"} psychic damage to the

Death Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

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

from an incapacitated slaad. Each try requires 1 minute of uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10","rollType

Green Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

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

slaad. Each try requires 1 minute of uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollDamageType

Red Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

point. Control 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

remove the gem from an incapacitated slaad. Each try requires 1 minute of uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10

Djinni Legacy

Monsters Basic Rules (2014)

Elemental Demise. If the djinni dies, its body disintegrates into a warm breeze, leaving behind only equipment the djinni was wearing or carrying. Innate Spellcasting. The djinni’s innate

loses sight of it. A creature can use its action to free a creature restrained by the whirlwind, including itself, by succeeding on a DC 18 Strength check. If the check succeeds, the creature is no longer restrained and moves to the nearest space outside the whirlwind.Lightning, Thunder

Athar Null

Monsters Planescape: Adventures in the Multiverse

);{"diceNotation":"3d8", "rollType":"damage", "rollAction":"Force Dagger", "rollDamageType":"force"} force damage. Hit or Miss: The dagger magically returns to the null’s hand immediately after a

effect. If the spell is 4th level or higher, the null makes an Intelligence check (DC 10 + the spell’s level). On a successful check, the spell fails and has no effect.The Athar deny the legitimacy

Dao Legacy

Monsters Monster Manual (2014)

disintegrates into crystalline powder, leaving behind only equipment the dao was wearing or carrying. Innate Spellcasting. The dao’s innate spellcasting ability is Charisma (spell save DC 14

target. Hit: 20 (4d6 + 6);{"diceNotation":"4d6+6","rollType":"damage","rollAction":"Maul","rollDamageType":"bludgeoning"} bludgeoning damage. If the target is a Huge or smaller creature, it must succeed on a DC 18 Strength check or be knocked prone.

Vampiric Mind Flayer

Monsters Van Richten’s Guide to Ravenloft

Spider Climb. The mind flayer can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Sunlight Sensitivity. While in sunlight, the mind flayer has

psychic damage dies.When the mind flayers of Bluetspur (see chapter 3) could find no cure for their overlord’s affliction, their degenerating elder brain turned to radical methods to stave off

Dyrrn

Monsters Eberron: Rising from the Last War

teleport up to 30 feet to an unoccupied space it can see.Multiattack. Dyrrn makes one Tentacle Whip attack and uses its Corruption once. Dyrrn can replace its Tentacle Whip attack with Extract Brain if it

flesh twists in alien ways. The creature has disadvantage on attack rolls, its speed is reduced by half, and if it tries to cast a spell, it must first succeed on a DC 15 Intelligence check or the spell

Encephalon Gemmule

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

’t use Leech again until it detaches. It can detach itself by spending 5 feet of its movement. As an action, the target or a creature within 5 feet of the target can detach the gemmule by succeeding on a DC 15 Strength check.

Spirit Statue Mascot

Monsters Strixhaven: A Curriculum of Chaos

Death Burst. When the spirit statue is reduced to 0 hit points, the statue crumbles, and the spirit returns to the afterlife in a burst of ghostly white flame. Each creature within 5 feet of it must

":"roll","rollAction":"Counsel of the Past"} and add the number rolled to one ability check of its choice, immediately after rolling the d20.To enhance their studies of the past, Lorehold students often

Sion

Monsters Quests from the Infinite Staircase

darkvision. Shadowy Demise. If Sion dies, his body melts into shadow, leaving behind only equipment he was wearing or carrying. Sunlight Weakness. While in sunlight, Sion has disadvantage on attack rolls

condition (escape DC 13) as its shadow wraps around it. Once the target escapes the grapple, its shadow returns to normal. Spellcasting. Sion casts one of the following spells, using Charisma as the

Astral Projection Legacy

Spells Basic Rules (2014)

leave behind is unconscious and in a state of suspended animation; it doesn't need food or air and doesn't age. Your astral body resembles your mortal form in almost every way, replicating your game

statistics and possessions. The principal difference is the addition of a silvery cord that extends from between your shoulder blades and trails behind you, fading to invisibility after 1 foot. This

Infernal Calling

Spells Xanathar's Guide to Everything

, you must make a Charisma (Deception, Intimidation, or Persuasion) check contested by its Wisdom (Insight) check. You make the check with advantage if you say the devil’s true name. If your check

fails, the devil becomes immune to your verbal commands for the duration of the spell, though it can still carry out your commands if it chooses. If your check succeeds, the devil carries out your

Planar Wanderer

Feats Planescape: Adventures in the Multiverse

action, you can concentrate on a portal you’re aware of that is within 5 feet of yourself and make a DC 20 Intelligence (Arcana) check. On a failed check, you take 3d8 psychic damage and can’t

use this benefit on that portal again until you finish a long rest. On a successful check, you can force the portal open or closed for 1 hour. For that duration, the portal doesn’t respond to

Adult Blue Dragon Legacy

Monsters Basic Rules (2014)

of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack

that make up its lair if that lair is invaded. The dragon then burrows out, leaving its attackers to be crushed and suffocated. When it returns later, it collects its possessions — along with the

Whirling Chandelier

Monsters Vecna: Eve of Ruin

creature must succeed on a DC 18 Intelligence (Investigation) check to discern that the chandelier is animate. Fiery Aura. Any creature that starts its turn within 5 feet of the chandelier takes 7 (2d6

. Blazing Vortex (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Blazing Vortex"}. Each creature within 20 feet of the chandelier and not behind total cover must succeed on a DC

Ancient Blue Dragon Legacy

Monsters Basic Rules (2014)

end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail

that make up its lair if that lair is invaded. The dragon then burrows out, leaving its attackers to be crushed and suffocated. When it returns later, it collects its possessions — along with

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes

continues down its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail

its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic taiga

Carrionette

Monsters Van Richten’s Guide to Ravenloft

creature must succeed on a DC 15 Wisdom (Perception) check to discern that the carrionette is animate. Unusual Nature. The carrionette doesn’t require air, food, drink, or sleep.Silver Needle. Melee

, the target’s speed is reduced by 10 feet, and it must roll a 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Silver Needle"} and subtract the number rolled from each ability check or

Deep Scion

Monsters Mordenkainen Presents: Monsters of the Multiverse

;s desires. Sometimes a deep scion returns to their former home—unexpectedly found alive when all hope was lost. At other times the deep scion takes on a new identity. In any case, it is the

piscine form is stripped of the magic that enabled them to transform, leaving behind the corpse of the person the deep scion once was.Change Shape. The deep scion transforms into a hybrid form (humanoid

Tree Blight

Monsters Curse of Strahd

succeed on a DC 18 Intelligence (Investigation) check to discern that the blight is animate. Siege Monster. The blight deals double damage to objects and structures.Multiattack. The blight makes one

a tree blight is a particularly enormous variety. It looks like a dead tree or treant, 30 feet tall, with spongy wooden flesh, thorny branches, and rubbery roots that trail behind it. It has blood

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