boat brain device cube rolls

Faerie Fire

Spells Player’s Handbook

Objects in a 20-foot Cube within range are outlined in blue, green, or violet light (your choice). Each creature in the Cube is also outlined if it fails a Dexterity saving throw. For the duration

, objects and affected creatures shed Dim Light in a 10-foot radius and can’t benefit from the Invisible condition. Attack rolls against an affected creature or object have Advantage if the attacker can see it.

Rust Monster

Monsters Monster Manual

creature with the object. Failure: The object takes a −1 penalty to the AC it offers (armor) or to its attack rolls (weapon). Armor is destroyed if the penalty reduces its AC to 10, and a weapon

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.

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

an object that isn’t being worn or carried, provided the object is small enough to fit inside a 5-foot Cube. The arrow teleports the target to an unoccupied space you can see within 10 feet of

Beholder

Monsters Monster Manual

":"Disintegration Ray", "rollDamageType":"Force"} Force damage. If the target is a nonmagical object or a creation of magical force, a 10- foot Cube of it disintegrates into dust. Success: Half damage. Failure

and rolls a 1 has the Prone condition. If the beholder dies or moves its lair elsewhere, these effects end immediately.Antimagic Cone. The beholder’s central eye emits an antimagic wave in a

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

Elder Brain Legacy

Monsters Volo's Guide to Monsters

disadvantage on all ability checks, attack rolls, and saving throws until the end of the creature’s next turn.An Elder Brain’s Lair The lair of an elder brain always lies deep in the heart

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

Horizon Puzzle Cube

Magic Items Bigby Presents: Glory of the Giants

Horizon’s Edge, but a device somewhere in the demiplane allows a cube to function in reverse while the cube is fitted into it.

A Horizon puzzle cube is an 8-inch magical cube made of gold, iron, crystal, and copper, and it is worth 5,000 gp to a sage or collector. A functioning puzzle cube can be solved with 30 minutes of

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

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

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

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

, the host starts to feel unwell, its speed is halved, and it has disadvantage on attack rolls, ability checks, and saving throws. At birth, the tadpole chews its way through vital organs and out of

Rust Monster Legacy

Monsters Basic Rules (2014)

dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the

of it. If the object isn't being worn or carried, the touch destroys a 1-foot cube of it. If the object is being worn or carried by a creature, the creature can make a DC 11 Dexterity saving throw to

Control Winds

Spells Elemental Evil Player's Companion

enter or leave the cube or pass through it have disadvantage on their attack rolls. If the wind is strong, any creature moving against the wind must spend 1 extra foot of movement for each foot moved

disadvantage on their attack rolls. A creature must make a Strength saving throw if it flies into the cube for the first time on a turn or starts its turn there flying. On a failed save, the creature

Drow Shadowblade Legacy

Monsters Mordenkainen’s Tome of Foes

attack it makes before the end of the turn. Sunlight Sensitivity. While in sunlight, the drow has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The

drow makes two attacks with its shadow sword. If either attack hits and the target is within 10 feet of a 5-foot cube of darkness created by the shadow sword on a previous turn, the drow can dismiss

Refraction of Ilvaash

Monsters Phandelver and Below: The Shattered Obelisk

. The refraction targets a creature within 120 feet of itself and disrupts its mental processes, causing the target to have disadvantage on all ability checks, attack rolls, and saving throws until the

-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

Vampiric Mind Flayer

Monsters Van Richten’s Guide to Ravenloft

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

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

Forcebreaker Weapon

Magic Items The Book of Many Things

You gain a +2 bonus to attack and damage rolls made with this magic weapon. This weapon was crafted to destroy structures made of force, such as those created by Forcecage or Wall of Force. Striking

a Large or smaller structure of magical force with this weapon automatically shatters that structure. If the target is a Huge or larger structure of force, this weapon shatters a 20-foot-cube portion of it.

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

Drow Shadowblade (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

attack it makes before the end of the turn. Sunlight Sensitivity. While in sunlight, the drow has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The

drow makes two attacks with its shadow sword. If either attack hits and the target is within 10 feet of a 5-foot cube of darkness created by the shadow sword on a previous turn, the drow can dismiss

Wave Legacy

Magic Items Dungeon Master’s Guide (2014)

weapon, Wave happily accepts new converts. You gain a +3 bonus to attack and damage rolls made with this magic weapon. If you score a critical hit with it, the target takes extra necrotic damage

use it as a cube of force by choosing the effect, instead of pressing cube sides to select it. Sentience Wave is a sentient weapon of neutral alignment, with an Intelligence of 14, a Wisdom of 10

Mindwitness

Monsters Mordenkainen Presents: Monsters of the Multiverse

it can see within 120 feet of it: 1: Aversion Ray. The targeted creature must make a DC 13 Charisma saving throw. On a failed save, the target has disadvantage on attack rolls for 1 minute. The target

stunned and brought to the brine pool of an elder brain, the beholder can be converted into a mindwitness. This alters some of its eye rays and transforms four of its eyestalks into tentacles similar

Soul Monger Legacy

Monsters Mordenkainen’s Tome of Foes

advantage on attack rolls. Weight of Ages. Any beast or humanoid, other than a shadar-kai, that starts its turn within 5 feet of the soul monger has its speed reduced by 20 feet until the start of that

monger's next turn. Wave of Weariness (Recharge 4-6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Wave of Weariness"}. The soul monger emits weariness in a 60-foot cube. Each creature in

Barbatos

Monsters Infernal Machine Rebuild

Rust Monster Cloak. Any nonmagical weapon made of metal that hits Barbatos corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops

carried, the touch destroys a 1-foot cube of it. If the object is being worn or carried by a creature, the creature can make a DC 12 Dexterity saving throw to avoid Barbatos's touch. If the object

Bard

Monsters Mordenkainen Presents: Monsters of the Multiverse

-foot cube originating from the bard must make a DC 12 Constitution saving throw. On a failed save, a creature takes 9 (2d8);{"diceNotation":"2d8", "rollType":"damage", "rollAction":"Cacophony

on a DC 12 Charisma saving throw or have disadvantage on ability checks, attack rolls, and saving throws until the start of the bard’s next turn.

Dimensional Loop

Magic Items Acquisitions Incorporated

While attuned to this device, you have a +1 bonus to Strength saving throws, and you have darkvision out to a range of 60 feet. If you already have darkvision, its range increases by 30 feet

attack rolls against you. Once you use this feature of the dimensional loop, it cannot be used again until the next dawn. Fold Space. Choose a space you can see within 60 feet of you (no action

Enucleator Modifications

Equipment

Lord Syuul;Lord Syuul's psionic enucleator can be used to modify the body of any creature inside its tank. The device must be operated by another creature who can manifest a psionic power or who has

creature in the tank: Bone Spikes. Bony protrusions sprout from the creature’s skin. The creature gains a +1 bonus to the attack and damage rolls of unarmed strikes and natural weapon attacks

Teleport Legacy

Spells Basic Rules (2014)

you target an object, it must be able to fit entirely inside a 10-foot cube, and it can't be held or carried by an unwilling creature. The destination you choose must be known to you, and it must be

on the same plane of existence as you. Your familiarity with the destination determines whether you arrive there successfully. The GM rolls d100 and consults the table. Familiarity Mishap

Shadar-kai Soul Monger

Monsters Mordenkainen Presents: Monsters of the Multiverse

shadar-kai has temporary hit points from this trait, it has advantage on attack rolls. Weight of Ages. Any Beast or Humanoid (except an elf) that starts its turn within 5 feet of the shadar-kai has its

, finger of death, gaseous form, seeming Wave of Weariness (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Wave of Weariness"}. The shadar-kai emits weariness in a 60-foot cube

Ambitious Assassin

Monsters The Book of Many Things

, filling a 10-foot cube within 5 feet of the assassin. Each creature of the assassin’s choice in that area takes 9 (2d8);{"diceNotation":"2d8", "rollType":"damage", "rollAction":"Vanishing Escape

two creatures the villain can see in the lair. Each target must succeed on a DC 15 Dexterity saving throw or be struck by a trap. The villain rolls a number of d6s equal to its proficiency bonus, and

Wand of Orcus Legacy

Magic Items Dungeon Master’s Guide (2014)

The ghastly Wand of Orcus rarely leaves Orcus’s side. The device, as evil as its creator, shares the demon lord’s aims to snuff out the lives of all living things and bind the Material

as a magic mace that grants a +3 bonus to attack and damage rolls made with it. The wand deals an extra 2d12 necrotic damage on a hit. Random Properties. The Wand of Orcus has the following random

Izzet Engineer

Backgrounds Guildmasters’ Guide to Ravnica

sparkles. If you use an arcane focus, it probably takes the form of an intricate device that could include metal gauntlets, glass canisters, copper tubing, and leather straps attaching it to your body

pursuits, and others just like explosions. Personality Traits d8 Personality Trait 1 I have a hard time staying focused on … oh, and my brain tends to jump from one &hellip

Alien Artifacts

Compendium - Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft

lost memories, or even serve as Mist talismans. Aberrant Evidence d6 Evidence 1 A needle-like device buried under someone’s skin 2 An inexplicable crater or circle of scorched crops

3 A stable full of exploded livestock 4 An antimatter rifle (detailed in the Dungeon Master’s Guide) 5 A missing person or otherworldly being transformed into a brain in a jar (see chapter 5) 6 The damaged corpse of a vampiric mind flayer (see chapter 5)

Horizon's Edge Magic

Compendium - Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants

creature uses an action to change the puzzle’s configuration. Puzzle cubes don’t function while on Horizon’s Edge, but a device somewhere in the demiplane allows a cube to function in reverse while the

scattered across the Material and Inner Planes, and these cubes are among the few ways to enter Horizon’s Edge. A Horizon puzzle cube is an 8-inch magical cube made of gold, iron, crystal, and copper

Magical Gadgets

Compendium - Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus

driver can activate this magical device as a bonus action, causing the vehicle to expel a 30-foot cube of opaque smoke directly in front of it or behind it. The cloud is stationary and lasts for 1

. This device needs 24 hours to recharge before it can be used again. Teleporter The vehicle’s driver can activate this magical device as a bonus action, causing the vehicle to teleport to an

Control Winds

Compendium - Sources->Dungeons & Dragons->Princes of the Apocalypse

intensity of the wind: calm, moderate, or strong. If the wind is moderate or strong, ranged weapon attacks that enter or leave the cube or pass through it have disadvantage on their attack rolls. If

the cube. Ranged weapon attacks that pass through the cube or that are made against targets within it have disadvantage on their attack rolls. A creature must make a Strength saving throw if it flies

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