brain boat during cube roll

Cube of Summoning

Magic Items Dungeon Master’s Guide

lid closes. The lid can’t otherwise be opened. Roll on the Cube of Summoning table to determine which spell the cube casts to summon the creature. The spell is cast at level 5 (save DC 17, +9

This Tiny cube looks like a jack-in-the-box. When you wind its crank as a Magic action, a merry tune emits from the box, the lid pops open, a creature appears in the nearest unoccupied space, and the

Gelatinous Cube

Monsters Monster Manual

creature hasn’t witnessed the cube move or otherwise act.Pseudopod. Melee Attack Roll: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Pseudopod"}, reach 5 ft. Hit: 12 (3d6 + 2

Ooze Cube. The cube fills its entire space and is transparent. Other creatures can enter that space, but a creature that does so is subjected to the cube’s Engulf and has Disadvantage on the

Octopus

Monsters Monster Manual

Compression. The octopus can move through a space as narrow as 1 inch without expending extra movement to do so. Water Breathing. The octopus can breathe only underwater.Tentacles. Melee Attack Roll

while underwater. Response: The octopus releases ink that fills a 5-foot Cube centered on itself, and the octopus moves up to its Swim Speed. The Cube is Heavily Obscured for 1 minute or until a strong current or similar effect disperses the ink.

Mind Flayer

Monsters Monster Manual

Magic Resistance. The mind flayer has Advantage on saving throws against spells and other magical effects.Tentacles. Melee Attack Roll: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction

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

Intellect Devourer

Monsters Monster Manual

barriers.Multiattack. The intellect devourer makes one Claw attack and uses Devour Intellect. Claw. Melee Attack Roll: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Claw"}, reach 5 ft. Hit: 7

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

Giant Octopus

Monsters Monster Manual

Water Breathing. The octopus can breathe only underwater. It can hold its breath for 1 hour outside water.Tentacles. Melee Attack Roll: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction

while underwater. Response: The octopus releases ink that fills a 10-foot Cube centered on itself, and the octopus moves up to its Swim Speed. The Cube is Heavily Obscured for 1 minute or until a strong current or similar effect disperses the ink.

Giant Squid

Monsters Monster Manual

Water Breathing. The squid can breathe only underwater.Multiattack. The squid makes one Bite attack and one Tentacle attack. Bite. Melee Attack Roll: +9;{"diceNotation":"1d20+9", "rollType":"to hit

", "rollAction":"Bite"}, reach 5 ft. Hit: 28 (4d10 + 6);{"diceNotation":"4d10+6", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"Piercing"} Piercing damage. Tentacle. Melee Attack Roll

Gnoll Demoniac

Monsters Monster Manual

Multiattack. The gnoll makes two Abyssal Strike attacks. Abyssal Strike. Melee or Ranged Attack Roll: +6;{"diceNotation":"1d20+6", "rollType":"to hit", "rollAction":"Abyssal Strike"}, reach 5 ft. or

":"1d6", "rollType":"recharge", "rollAction":"Hunger of Yeenoghu"}. The gnoll conjures a 30-foot Cube of magical Darkness originating from a point it can see within 60 feet, which lasts for 1 minute

Rust Monster

Monsters Monster Manual

5 feet of itself that isn’t being worn or carried. The touch destroys a 1-foot Cube of the object.Reflexive Antennae. Trigger: An attack roll hits the rust monster. Response: The rust monster uses Antennae.

Iron Scent. The rust monster can pinpoint the location of ferrous metal within 30 feet of itself.Multiattack. The rust monster makes one Bite attack and uses Antennae twice. Bite. Melee Attack Roll

Beholder Zombie

Monsters Monster Manual

save, the zombie drops to 1 Hit Point instead.Multiattack. The zombie uses Eye Rays twice. Bite. Melee Attack Roll: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction":"Bite"}, reach 5 ft

rays at a target it can see within 120 feet of itself (roll 1d4;{"diceNotation":"1d4, "rollType":"roll", "rollAction":"Eye Rays"}; reroll if the zombie has already used that ray during this turn

Mind Flayer Arcanist

Monsters Monster Manual

or Ranged Attack Roll: +9;{"diceNotation":"1d20+9", "rollType":"to hit", "rollAction":"Arcane Tentacles"}, reach 5 ft. or range 120 ft. Hit: 27 (4d10 + 5);{"diceNotation":"4d10+5", "rollType":"damage

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

Death Tyrant

Monsters Monster Manual

Roll: +9;{"diceNotation":"1d20+9", "rollType":"to hit", "rollAction":"Bite"}, reach 5 feet. Hit: 13 (2d8 + 4);{"diceNotation":"2d8+4", "rollType":"damage", "rollAction":"Bite", "rollDamageType

":"Piercing"} Piercing damage. Eye Rays. The death tyrant randomly shoots one of the following magical rays at a target it can see within 120 feet of itself (roll 1d10;{"diceNotation":"1d10", "rollType

Hat of Many Spells

Magic Items Dungeon Master’s Guide

just happened. 56–60 A harmless swarm of butterflies fills a 10-foot Cube within 30 feet of yourself. The swarm disperses after 1 minute. 61–65 You pull a nonmagical object

out of the hat. Roll 1d4 to determine the object: on a 1, a vial of Acid; on a 2, a flask of Alchemist's Fire; on a 3, a Crowbar; on a 4, a lit Torch. 66–70 You suffer a bout of “magic

Beholder

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

"} Piercing damage. Eye Rays. The beholder randomly shoots one of the following magical rays at a target it can see within 120 feet of itself (roll 1d10;{"diceNotation":"1d10", "rollType":"roll

Elemental Cataclysm

Monsters Monster Manual

attacks. Elemental Burst. Melee or Ranged Attack Roll: +15;{"diceNotation":"1d20+15", "rollType":"to hit", "rollAction":"Elemental Burst"}, reach 30 ft. or range 150 ft. Hit: 25 (5d6 + 8) damage of

effects at random (roll 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Cataclymic Event"}): 1: Clinging Flames. Dexterity Saving Throw: DC 23, each creature in a 60-foot-radius Sphere

Summon Fey

Spells Player’s Handbook

number of Fey Blade attacks equal to half this spell’s level (round down). Fey Blade. Melee Attack Roll: Bonus equals your spell attack modifier, reach 5 ft. Hit: 2d6 + 3 + the spell’s level

: Fuming. The spirit has Advantage on the next attack roll it makes before the end of this turn. Mirthful. Wisdom Saving Throw: DC equals your spell save DC, one creature the spirit can see within

Elder Brain Legacy

Monsters Volo's Guide to Monsters

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. Innate Spellcasting (Psionics). The elder brain’s innate spellcasting ability is Intelligence (spell save DC 18). It can innately cast the following spells, requiring no components

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

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

damage. Extract Brain. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType":"to hit","rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated Humanoid. Hit: 35 (10d6

Mind Flayer Lich (Illithilich) Legacy

Monsters Volo's Guide to Monsters

":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting. The lich is an 18th

ends. Extract Brain. Melee Weapon Attack: +12;{"diceNotation":"1d20+12","rollType":"to hit","rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated humanoid grappled by the lich. Hit: 55

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

phage. While infected, the target can't regain hit points, and its hit point maximum is reduced by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Claw"} every 24 hours. If the disease

Intellect Devourer Legacy

Monsters Monster Manual (2014)

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

take 11 (2d10);{"diceNotation":"2d10","rollType":"damage","rollAction":"Devour Intellect","rollDamageType":"psychic"} psychic damage. Also on a failure, roll 3d6;{"diceNotation":"3d6","rollType":"roll

Eater of Knowledge

Monsters Planescape: Adventures in the Multiverse

Brains Devoured. When the eater of knowledge is first encountered, roll 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Brains Devoured"} to determine the number of brains it has

":"damage", "rollAction":"Slam", "rollDamageType":"bludgeoning"} bludgeoning damage. Extract Brain. Melee Weapon Attack: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"Extract Brain

Mind Flayer Clairvoyant

Monsters Phandelver and Below: The Shattered Obelisk

grappled condition (escape DC 17) and must succeed on a DC 17 Intelligence saving throw or have the incapacitated condition until the grapple ends. Extract Brain. Melee Weapon Attack: +9;{"diceNotation

":"1d20+9", "rollType":"to hit", "rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated Humanoid grappled by the mind flayer. Hit: 55 (10d10);{"diceNotation":"10d10", "rollType":"damage

Elder Brain Dragon

Monsters Fizban's Treasury of Dragons

;{"diceNotation":"6d12","rollType":"roll","rollAction":"Tadpole Brine Breath"} hours. When the period of unconsciousness ends, the creature transforms into a mind flayer (see the Monster Manual) with all

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

Nathair's Mischief

Spells Fizban's Treasury of Dragons

You fill a 20-foot cube you can see within range with fey and draconic magic. Roll on the Mischievous Surge table to determine the magical effect produced, and roll again at the start of each of your

turns until the spell ends. You can move the cube up to 10 feet before you roll. Mischievous Surge d4 Effect 1 The smell of apple pie fills the air, and each creature in the cube

Duergar Screamer Legacy

Monsters Mordenkainen’s Tome of Foes

Engine of Pain. Once per turn, a creature that attacks the screamer can target the duergar trapped in it. The attacker has disadvantage on the attack roll. On a hit, the attack deals an extra 11

(2d10);{"diceNotation":"2d10","rollType":"roll","rollAction":"Engine of Pain"} damage to the screamer, and the screamer can respond by using its Multiattack with its reaction.Multiattack. The screamer

Encephalon Cluster

Monsters Phandelver and Below: The Shattered Obelisk

). The cluster bulges and spews 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Spawn Progeny"} mature eggs. Each egg lands in an unoccupied space of the cluster’s choice within 30

the attacker, it then makes one Slam attack against that attacker.An encephalon cluster pays no heed to an elder brain or its mind flayer progenitors. This grotesque creature shambles through dark

Beholder Zombie Legacy

Monsters Monster Manual (2014)

);{"diceNotation":"4d6","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage. Eye Ray. The zombie uses a random;{"diceNotation":"1d4","rollType":"roll","rollAction":"Eye Ray

saving throw. If the target is a Huge or larger nonmagical object or creation of magical force, this ray disintegrates a 10-foot cube of it.Poison

Faerie Fire Legacy

Spells Basic Rules (2014)

Each object in a 20-foot cube within range is outlined in blue, green, or violet light (your choice). Any creature in the area when the spell is cast is also outlined in light if it fails a Dexterity

saving throw. For the duration, objects and affected creatures shed dim light in a 10-foot radius. Any attack roll against an affected creature or object has advantage if the attacker can see it, and the affected creature or object can't benefit from being invisible.

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

fails and is wasted. The corrupted creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Extract Brain. Melee Weapon Attack: +15

Maw Demon

Monsters Mordenkainen Presents: Monsters of the Multiverse

","rollAction":"Bite","rollDamageType":"piercing"} piercing damage. Disgorge (Recharge 6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Disgorge"}. The demon vomits in a 15-foot cube. Each creature

of oddities in addition to the remains of their recent prey. You may choose one or more items appropriate for your campaign for a maw demon to contain, or roll on the Maw Demon’s Stomach

Duergar Screamer

Monsters Mordenkainen Presents: Monsters of the Multiverse

a 15-foot cube. Each creature in that area must succeed on a DC 11 Strength saving throw or take 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Sonic Scream", "rollDamageType

":"thunder"} thunder damage and be knocked prone.Engine of Pain. Immediately after a creature within 5 feet of the screamer hits it with an attack roll, the screamer makes a Drill attack against that

Encephalon Gemmule

Monsters Phandelver and Below: The Shattered Obelisk

Encephalon Progeny. The gemmule matures into an encephalon cluster if not killed within 30 (4d12 + 4);{"diceNotation":"4d12+4", "rollType":"roll", "rollAction":"Days"} days of its creation. Magic

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

Death Tyrant Legacy

Monsters Monster Manual (2014)

. The death tyrant shoots three of the following magical eye rays at random;{"diceNotation":"1d10","rollType":"roll","rollAction":"Eye Rays"} (reroll duplicates), choosing one to three targets it can see

the target is a Huge or larger object or creation of magical force, this ray disintegrates a 10-foot cube of it. Death Ray. The targeted creature must succeed on a DC 17 Dexterity saving throw or

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