brain beast diffusing check rolls

Intellect Devourer

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

Displacer Beast

Monsters Monster Manual

fails. It can’t use this trait if it has the Incapacitated condition. Displacement. Attack rolls against the displacer beast have Disadvantage, since it projects an illusion that makes it

Avoidance. If the displacer beast is subjected to an effect that allows it to make a saving throw to take only half damage, it instead takes no damage if it succeeds on the save and half damage if it

Ancient Copper Dragon

Monsters Monster Manual

turn, the target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test

ability (spell save DC 21): At Will: Detect Magic, Mind Spike (level 5 version), Minor Illusion, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no

Adult Copper Dragon

Monsters Monster Manual

rolls 1d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test. Failure or

ability (spell save DC 17): At Will: Detect Magic, Mind Spike (level 4 version), Minor Illusion, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no

Manacles

Equipment

13 Dexterity (Sleight of Hand) check. While bound, a creature has Disadvantage on attack rolls, and the creature is Restrained if the Manacles are attached to a chain or hook that is fixed in place

. Escaping the Manacles requires a successful DC 20 Dexterity (Sleight of Hand) check as an action. Bursting them requires a successful DC 25 Strength (Athletics) check as an action. Each set of

Find Familiar

Spells Player’s Handbook

You gain the service of a familiar, a spirit that takes an animal form you choose: Bat, Cat, Frog, Hawk, Lizard, Octopus, Owl, Rat, Raven, Spider, Weasel, or another Beast that has a Challenge Rating

of 0. Appearing in an unoccupied space within range, the familiar has the statistics of the chosen form, though it is a Celestial, Fey, or Fiend (your choice) instead of a Beast. Your familiar acts

Wave

Magic Items Dungeon Master’s Guide

Held in the dungeon of White Plume Mountain, Wave is engraved with images of waves, shells, and sea creatures. You gain a +3 bonus to attack rolls and damage rolls made with this magic weapon. When

Initiative rolls. Underwater Adaptation. A bubble of air forms around your head while you are underwater, allowing you to breathe normally in that environment. Aquatic Command. Wave has 3 charges and

Drider

Monsters Monster Manual

Spider Climb. The drider can climb difficult surfaces, including along ceilings, without needing to make an ability check. Sunlight Sensitivity. While in sunlight, the drider has Disadvantage on

ability checks and attack rolls. Web Walker. The drider ignores movement restrictions caused by webs, and the drider knows the location of any other creature in contact with the same web.Multiattack

Flesh Golem

Monsters Monster Manual

Aversion to Fire. If the golem takes Fire damage, it has Disadvantage on attack rolls and ability checks until the end of its next turn. Berserk. Whenever the golem starts its turn Bloodied, roll

within 60 feet of the berserk golem, can try to calm it by taking an action to make a DC 15 Charisma (Persuasion) check; the golem must be able to hear its creator. If this check succeeds, the golem ceases

Sphinx of Secrets

Monsters Monster Manual

":"Psychic"} Psychic damage, and the target is cursed with a riddle. The cursed target has Disadvantage on ability checks and attack rolls. In addition, if it takes the Magic action, it must succeed on a DC

15 Intelligence saving throw or that action is wasted. The cursed target can take a Study action to make a DC 15 Intelligence check, solving the riddle and ending the curse on a success. The curse ends

Darkmantle

Monsters Monster Manual

Advantage on its attack rolls. Its Speed becomes 0, it can’t benefit from any bonus to its Speed, and it moves with the target. A creature can take an action to try to detach the darkmantle

from itself, doing so with a successful DC 13 Strength (Athletics) check. On its turn, the darkmantle can detach itself by using 5 feet of movement. Darkness Aura (1/Day). Magical Darkness fills a 15

Vampire Spawn

Monsters Monster Manual

Spider Climb. The vampire can climb difficult surfaces, including along ceilings, without needing to make an ability check. Vampire Weakness. The vampire has these weaknesses: Forbiddance. The

in sunlight. While in sunlight, it has Disadvantage on attack rolls and ability checks.Multiattack. The vampire makes two Claw attacks and uses Bite. Claw. Melee Attack Roll: +6;{"diceNotation

Adult Gold Dragon

Monsters Monster Manual

":"1d20+13", "rollType":"spell", "rollAction":"Spellcasting"} to hit with spell attacks): At Will: Detect Magic, Guiding Bolt (level 2 version), Shapechange (Beast or Humanoid form only, no Temporary

", "rollType":"roll", "rollAction":"Weakening Breath"} from its damage rolls. It repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds

Ancient Gold Dragon

Monsters Monster Manual

;{"diceNotation":"1d20+16", "rollType":"spell", "rollAction":"Spellcasting"} to hit with spell attacks): At Will: Detect Magic, Guiding Bolt (level 4 version), Shapechange (Beast or Humanoid form only, no

and subtracts 5 (1d10);{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Weakening Breath"} from its damage rolls. It repeats the save at the end of each of its turns, ending the effect on

Energy Bow

Magic Items Dungeon Master’s Guide

You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon, which has no string. Each time you pull your arm back in a firing motion, a magical arrow made of golden energy

condition for 1 minute. As an action, a creature Restrained by an arrow can make a DC 20 Strength (Athletics) check to try to break the restraint, ending the effect on itself on a successful check

Giant Insect

Spells Player’s Handbook

its movement to avoid danger. Using a Higher-Level Spell Slot. Use the spell slot’s level for the spell’s level in the stat block. Giant Insect Large Beast, Unaligned AC 11 + the spell

make an ability check. Actions Multiattack. The insect makes a number of attacks equal to half this spell’s level (round down). Poison Jab. Melee Attack Roll: Bonus equals your spell attack

Vampire

Monsters Monster Manual

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

Paralyzed condition until the weapon is removed. Sunlight. The vampire takes 20 Radiant damage if it starts its turn in sunlight. While in sunlight, it has Disadvantage on attack rolls and ability

Symbol

Spells Player’s Handbook

. The glyph is nearly imperceptible and requires a successful Wisdom (Perception) check against your spell save DC to notice. When you inscribe the glyph, you set its trigger and choose which effect the

Disadvantage on attack rolls and ability checks. Fear. Each target must succeed on a Wisdom saving throw or have the Frightened condition for 1 minute. While Frightened, the target must move at least 30

Monster Camouflage

Equipment

Camouflage looks like a Beast or Monstrosity, such as an owlbear. To discern that you’re disguised, a creature must take the Study action to inspect your appearance and succeed on a DC 10

Intelligence (Investigation or Nature) check. The creature has Advantage on this check if it is within 30 feet of you and automatically succeeds on this check if you do anything the monster you’re disguised as couldn’t do.

Mark of Handling

Feats Eberron: Forge of the Artificer

Handling) check, you can roll 1d4 and add the number rolled to the ability check. Primal Connection. You always have the Animal Friendship and Speak with Animals spells prepared. You can cast each

Handling Spells table are added to that feature’s spell list. Mark of Handling Spells Spell Level Spells 1 Command, Find Familiar 2 Beast Sense, Calm Emotions 3 Beacon of Hope, Conjure Animals 4 Aura of Life, Dominate Beast 5 Awaken

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

, attack rolls, and saving throws until the end of the creature’s next turn. Tentacle (Costs 2 Actions). The elder brain makes one Tentacle attack.The ultimate expression of mind flayer domination

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

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

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

Beast Bond

Spells Elemental Evil Player's Companion

and concepts back to you. While the link is active, the beast gains advantage on attack rolls against any creature within 5 feet of you that you can see.

You establish a telepathic link with one beast you touch that is friendly to you or charmed by you. The spell fails if the beast’s Intelligence is 4 or higher. Until the spell ends, the link is

Brain in a Jar

Monsters Icewind Dale: Rime of the Frostmaiden

target is Undead, it also has disadvantage on attack rolls against the brain until the end of the brain’s next turn. Mind Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge

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

Displacer Beast Legacy

Monsters Monster Manual (2014)

half damage if it fails. Displacement. The displacer beast projects a magical illusion that makes it appear to be standing near its actual location, causing attack rolls against it to have disadvantage

Avoidance. If the displacer beast is subjected to an effect that allows it to make a saving throw to take only half damage, it instead takes no damage if it succeeds on the saving throw, and only

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

Mind Flayer Prophet

Monsters Phandelver and Below: The Shattered Obelisk

Awareness. The mind flayer has advantage on initiative rolls and can’t be surprise;surprised as long as it doesn’t have the incapacitated condition. Magic Resistance. The mind flayer has

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

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

disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight. Unusual Nature. The mind flayer doesn’t require air, food, or sleep.Multiattack. The mind flayer makes

Displacer Beast Kitten

Monsters The Wild Beyond the Witchlight

Displacement. The displacer beast projects a magical illusion that makes it appear to be standing near its actual location, causing attack rolls against it to have disadvantage. If it is hit by an

attack, this trait is disrupted until the end of its next turn. This trait is also disrupted while the displacer beast is incapacitated or has a speed of 0.Tentacles. Melee Weapon Attack: +3

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