blade brain diffusing check remains

Dagger of Venom

Magic Items Dungeon Master’s Guide

You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon. You can take a Bonus Action to magically coat the blade with poison. The poison remains for 1 minute or until an

Maze

Spells Player’s Handbook

You banish a creature that you can see within range into a labyrinthine demiplane. The target remains there for the duration or until it escapes the maze. The target can take a Study action to try

to escape. When it does so, it makes a DC 20 Intelligence (Investigation) check. If it succeeds, it escapes, and the spell ends. When the spell ends, the target reappears in the space it left or, if that space is occupied, in the nearest unoccupied space.

Flesh Golem

Monsters Monster Manual

creature is near enough to move to and attack, the golem attacks an object. Once the golem goes berserk, it remains so until it is destroyed or it is no longer Bloodied. The golem’s creator, if

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

Programmed Illusion

Spells Player’s Handbook

occurs, the illusion springs into existence and performs in the manner you described. Once the illusion finishes performing, it disappears and remains dormant for 10 minutes, after which the illusion

creature that takes the Study action to examine the image can determine that it is an illusion with a successful Intelligence (Investigation) check against your spell save DC. If a creature discerns 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

Hat of Many Spells

Magic Items Dungeon Master’s Guide

slot of the spell’s level. Then, to determine whether you cast the spell, make an Intelligence (Arcana) check (DC 10 plus the spell’s level). On a successful check, you cast the spell using

its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead

Control Water

Spells Player’s Handbook

Huge or smaller vehicles struck by the wave have a 25 percent chance of capsizing. The water level remains elevated until the spell ends or you choose a different effect. If this effect produced a wave

separated water forms a wall to either side. The trench remains until the spell ends or you choose a different effect. The water then slowly fills in the trench over the course of the next round until

Rod of Lordly Might

Magic Items Dungeon Master’s Guide

push a different button or until you push the same button again, which causes the rod to revert to its normal form: Button 1. A fiery blade sprouts from the end opposite the rod’s flanged head

. The flames shed Bright Light in a 40-foot radius and Dim Light for an additional 40 feet, and the blade functions as a magic Longsword or Shortsword (your choice) that deals an extra 2d6 Fire damage

Deck of Illusions

Magic Items Dungeon Master’s Guide

illusion of a creature, determined by rolling on the Deck of Illusions table, forms over the thrown card and remains until dispelled. The illusory creature created by the card looks and behaves like a

identifies it as an illusion with a successful DC 15 Intelligence (Investigation) check. The illusion lasts until its card is moved or the illusion is dispelled (using a Dispel Magic spell or a similar

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

remains with you only as long as you strive to work evil in the world. If you fail to perform at least one evil act within the span of 10 days, or if you willingly perform a good act, the book

by any means while your soul remains imprisoned. Adjusted Ability Scores. One ability score of your choice increases by 2, to a maximum of 24. Another ability score of your choice decreases by 2, to

Poison Soaked Kukri

Magic Items Stranger Things: Welcome to the Hellfire Club

Weapon Properties: Finesse, Light, Thrown (Range 20/60) You can take a Bonus Action to magically coat the blade of this Dagger with poison. The poison remains for 1 minute or until an attack using

Magen Handbell

Magic Items Netheril’s Fall

enough for the magen to move to and attack, the magen attacks an object. The magen remains berserk until it disappears, or until a creature holding the handbell takes an Influence action and succeeds on a DC 15 Charisma (Persuasion) check to regain control of the magen.

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

Mind Flayer Arcanist Legacy

Monsters Monster Manual (2014)

":"Spellcasting"} to hit with spell attacks). The mind flayer arcanist has the following wizard spells prepared: Cantrips (at will): blade ward, dancing lights, mage hand, shocking grasp 1st level (4 slots

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

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

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

Gnome Ceremorph

Monsters Icewind Dale: Rime of the Frostmaiden

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

ceremorph. Hit: 55 (10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the

Concealed Blade

Equipment

A Concealed Blade is a dagger built into a mechanism hidden within a bracer or gauntlet. When you roll Initiative, you can make a Dexterity (Deception) check opposed by others’ Wisdom

(Perception) checks. You have Advantage on the first attack made in the first round of combat against any enemy who failed their check.

Scion of Surtur

Monsters Bigby Presents: Glory of the Giants

. Siege Monster. The scion deals double damage to objects and structures.Multiattack. The scion makes one attack using Lava Blade or Lava Ball, as well as two Slam attacks. Lava Blade. Melee Weapon

Attack: +18;{"diceNotation":"1d20+18", "rollType":"to hit", "rollAction":"Lava Blade"} to hit, reach 30 ft., one target. Hit: 32 (4d10 + 10);{"diceNotation":"4d10+10", "rollType":"damage", "rollAction

Irda Seeker

Monsters Monstrous Compendium Vol. 2: Dragonlance Creatures

Multiattack. The seeker uses Augment Physicality, if available, and makes two Crystal Blade attacks. Crystal Blade. Melee Weapon Attack: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction

":"Crystal Blade"} to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2);{"diceNotation":"1d6+2", "rollType":"damage", "rollAction":"Crystal Blade", "rollDamageType":"force"} force damage, plus 7 (2d6

Elder Brain Dragon

Monsters Fizban's Treasury of Dragons

tadpoles infesting the creature are killed instantly, ending the effect on the creature. If a Humanoid is reduced to 0 hit points while infested, the creature is stable but remains unconscious for 6d12

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

Grim Champion of Desolation

Monsters The Book of Many Things

Legendary Resistance (3/Day). If the champion fails a saving throw, it can choose to succeed instead.Multiattack. The champion makes two Leeching Blade attacks and uses Hollow Void. Leeching Blade

. Melee Weapon Attack: +14;{"diceNotation":"1d20+14", "rollType":"to hit", "rollAction":"Leeching Blade"} to hit, reach 5 ft., one target. Hit: 13 (2d6 + 6);{"diceNotation":"2d6+6", "rollType":"damage

Dagger of Venom Legacy

Magic Items Basic Rules (2014)

You gain a +1 bonus to attack and damage rolls made with this magic weapon. You can use an action to cause thick, black poison to coat the blade. The poison remains for 1 minute or until an attack

Garret Levistusson

Monsters Lost Laboratory of Kwalish

Special Equipment. Garret wears a ring of warmth (included in his statistics) and wields a gambler's blade longsword (see appendix D). Bardic Inspiration (3/day). As a bonus action, Garret can give

add the number rolled to one ability check, attack roll, or saving throw it makes. The creature can use the inspiration die after the roll is made but before the DM says whether it succeeds or fails

Refraction of Ilvaash

Monsters Phandelver and Below: The Shattered Obelisk

end of the target’s next turn. Projected Claw (Costs 2 Actions). The refraction makes one Dissonant Claw attack.Ilvaash was formed from the remains of the mind flayer god Ilsensine, the God

-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

Maze Legacy

Spells Basic Rules (2014)

You banish a creature that you can see within range into a labyrinthine demiplane. The target remains there for the duration or until it escapes the maze. The target can use its action to attempt to

escape. When it does so, it makes a DC 20 Intelligence check. If it succeeds, it escapes, and the spell ends (a minotaur or goristro demon automatically succeeds). When the spell ends, the target reappears in the space it left or, if that space is occupied, in the nearest unoccupied space.

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

Roper Legacy

Monsters Basic Rules (2014)

False Appearance. While the roper remains motionless, it is indistinguishable from a normal cave formation, such as a stalagmite. Grasping Tendrils. The roper can have up to six tendrils at a time

. A tendril can also be broken if a creature takes an action and succeeds on a DC 15 Strength check against it. Spider Climb. The roper can climb difficult surfaces, including upside down on ceilings

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

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