buzzing before device cube reduced

Elemental Cataclysm

Monsters Monster Manual

damage, and the target has the Prone condition. Success: Half damage only. Failure or Success: The target’s Speed is reduced to 0 until the end of its next turn.3: Raging Storm. A storm cloud

", "rollType":"damage", "rollAction":"Raging Storm", "rollDamageType":"Thunder"} Thunder damage. Success: Half damage.4: Swallowing Earth. Strength Saving Throw: DC 23, each creature in a 90-foot Cube

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

Noisemaker

Equipment

This small mechanical device is a specialty of gnomish crafters. As a Utilize action, you can throw the Noisemaker into a space within 60 feet. When it lands, it makes a loud noise of some kind

, depending on the whims of the creator: a musical clash, a whistling, a whirring, a buzzing, etc. This noise can be heard up to half a mile away. A creature with an Intelligence score of 3 or less that is

Sunfly

Monsters Planescape: Adventures in the Multiverse

Constitution saving throw with disadvantage to maintain its concentration. Lower Plane. The target’s speed is reduced by 5 feet until the end of its next turn.Sunflies are whimsical, buzzing

Rust Monster Legacy

Monsters Basic Rules (2014)

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

reduced to an AC of 10 or a shield that drops to a +0 bonus is destroyed. If the object touched is a held metal weapon, it rusts as described in the Rust Metal trait.

Autognome

Monsters Spelljammer: Adventures in Space

Malfunction. Whenever the autognome takes 15 damage or more from a single source and isn’t reduced to 0 hit points by that damage, roll a d20;{"diceNotation":"1d20","rollType":"roll

. Regardless of what its insides are made of, it has a metallic outer casing painted with gnomish features. It walks with a stiff gait, clanking, wheezing, whirring, and buzzing wherever it goes. An

Swarm of Sunflies

Monsters Planescape: Adventures in the Multiverse

on it. Neutral Plane. If the target is concentrating on a spell or similar effect, it loses its concentration. Lower Plane. The target’s speed is reduced by 10 feet until the end of its next

on a success.Sunfly;Sunflies are whimsical, buzzing inhabitants of the Outer Planes. They travel widely and are important indicators of the health of the realms in which they reside; when sunflies

Disintegrate Legacy

Spells Basic Rules (2014)

hit points. A disintegrated creature and everything it is wearing and carrying, except magic items, are reduced to a pile of fine gray dust. The creature can be restored to life only by means of a

of force, this spell disintegrates a 10-foot- cube portion of it. A magic item is unaffected by this spell. At Higher Levels. When you cast this spell using a spell slot of 7th level or higher, the damage increases by 3d6 for each slot level above 6th.

House of Cards

Magic Items The Book of Many Things

and transform into a shelter made of cards. The shelter can be shaped however you desire, but it must fit in a 40-foot cube centered on a point within 30 feet of you. The shelter has one door and up

psychic damage. The shelter lasts for 24 hours, until you dismiss it as an action, or until it is reduced to 0 hit points. When the shelter’s duration ends, it transforms back into a deck of cards

Venom Troll Legacy

Monsters Mordenkainen’s Tome of Foes

"}. The troll slices itself with a claw, releasing a spray of poison in a 15-foot cube. The troll takes 7 (2d6);{"diceNotation":"2d6","rollType":"damage","rollAction":"Venom Spray","rollDamageType

":"slashing"} slashing damage (this damage can't be reduced in any way). Each creature in the area must make a DC 16 Constitution saving throw. On a failed save, a creature takes 18 (4d8);{"diceNotation":"4d8

Barbatos

Monsters Infernal Machine Rebuild

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

touched is either metal armor or a metal shield being worn or carried, it takes a permanent and cumulative 1 penalty to the AC it offers. Armor reduced to an AC of 10 or a shield that drops to a +0 bonus

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

Hook of Fisher's Delight

Magic Items Icewind Dale: Rime of the Frostmaiden

-foot cube. At the end of each uninterrupted hour of immersion, roll a d6. On a 6, a floppy, 6-inch-long magical fish appears on the end of the hook. The color and properties of the conjured fish are

wings, follows you around, and sings a beautiful tune in Aquan. It disappears after 2d4 hours or when reduced to 0 hit points. The fish uses the quipper stat block, except that it can breathe air and has

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

essential organ, granting them advantage on death saving throws. Relentless Toughness. The creature is infused with troll essence. If they are reduced to 0 hit points by damage other than acid or fire

Endelyn Moongrave

Monsters The Wild Beyond the Witchlight

Boon of Immortality. Endelyn is immune to any effect that would age her, and she can’t die from old age. Eclipsed Doom. Endelyn can be killed only if she is reduced to 0 hit points during a

deal. Endelyn’s obsession with tragedy and hopelessness extends to her own life; she has foreseen her own demise during a solar eclipse. In the depths of her castle, a lightning-powered device

Venom Troll

Monsters Mordenkainen Presents: Monsters of the Multiverse

15-foot cube. The troll takes 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Venom Spray", "rollDamageType":"slashing"} slashing damage, which can’t be reduced in any way. Each

Maegera the Dawn Titan

Monsters Storm King's Thunder

the end of Maegera’s next turn. Smoke Cloud (Costs 2 Actions). Maegera exhales a billowing cloud of hot smoke and embers that fills a 60-foot cube. Each creature in that area takes 11 (2d10

cloud are blinded and can’t be seen. Create Fire Elemental (Costs 3 Actions). Maegera’s hit points are reduced by 50 as part of it separates and becomes a fire elemental with 102 hit

Y'demi

Monsters Strixhaven: A Curriculum of Chaos

dies if reduced to 0 hit points by this necrotic damage.The Oriq are a secret society of mages who wield forbidden magic in the service of their leader, Extus Narr. Narr was in consideration for

blood mages almost impossible to ambush.NecroticSanguine Tentacles (1/Day). The blood in the copper basin disappears as tentacles of congealed blood fill a 10-foot cube centered at a point on the ground

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

of the following effects: Charnel Realm. The air is filled with the stench of rotting flesh, and buzzing flies grow thick within the region. Undead Beasts. Dead Beasts periodically animate as

(Recharges after a Short or Long Rest). If this creature is reduced to 0 hit points, it immediately makes a DC 10 Constitution saving throw. If it succeeds, it is instead reduced to 1 hit point. Aura

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

long rest. The target’s hit point maximum is reduced by an amount equal to half the poison damage taken. This reduction lasts until the poisoned condition is removed. The target dies if its hit

point maximum is reduced to 0. Spellcasting. Geryon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 21): At will

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

become poisoned until it finishes a short or long rest. The target's hit point maximum is reduced by an amount equal to half the poison damage it takes. If its hit point maximum drops to 0, it dies

from the ground at a point he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving

Shadar-kai Soul Monger

Monsters Mordenkainen Presents: Monsters of the Multiverse

speed reduced by 20 feet until the start of that creature’s next turn.Multiattack. The shadar-kai makes two Shadow Dagger attacks. Shadow Dagger. Melee or Ranged Weapon Attack: +7

, 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

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

long rest. The target’s hit point maximum is reduced by an amount equal to half the poison damage taken. This reduction lasts until the poisoned condition is removed. The target dies if its hit

point maximum is reduced to 0. Spellcasting. Geryon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 21): At will

Geryon (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

become poisoned until it finishes a short or long rest. The target's hit point maximum is reduced by an amount equal to half the poison damage it takes. If its hit point maximum drops to 0, it dies

he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving throw or take 28 (8d6

Arasta

Monsters Mythic Odysseys of Theros

Armor of Spiders (Mythic Trait; Recharges after a Short or Long Rest). If Arasta is reduced to 0 hit points, she doesn’t die or fall unconscious. Instead, she regains 200 hit points. In

":"recharge","rollAction":"Web of Hair"}. Arasta unleashes her hair in the form of webbing that fills a 30-foot cube next to her. The web is difficult terrain, its area is lightly obscured, and it lasts for 1

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

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

Anarchist Outcry

Compendium - Sources->Dungeons & Dragons->Journeys through the Radiant Citadel

Anarchist Outcry An ear-splitting crash pierces the air. Five figures wearing snarling, crimson masks clamber atop stalls, each raising a cone-like device to their mouth. Along with an irritating

buzzing noise, the masked figures’ voices emanate from the contraptions, amplified over the cacophony of the crowd: “Down with tyrants! Let the embers light the way!” Five masked anarchists (use the

X5c. Locked Doors

Compendium - Sources->Dungeons & Dragons->Curse of Strahd

doors (AC 15, 60 hit points) can also be smashed. If they are reduced to 0 hit points, necrotic energy fills the 30-foot cube directly north of the them. A creature in that area takes 22 (4d10) necrotic damage, turning to dust if reduced to 0 hit points. Beyond the doors lie the temple catacombs (area X31).

Purple Worm Attack

Compendium - Sources->Dungeons & Dragons->Journeys through the Radiant Citadel

cling to their buzzing boomhailers as they flee. A character who spends an action alerting an anarchist to the risk and succeeds on a DC 14 Charisma (Intimidation or Persuasion) check convinces that

anarchist to drop their device. The purple worm ignores creatures that don’t have a boomhailer and that don’t threaten it. If all five boomhailers are destroyed, the purple worm retreats down the hole

Clock Tower Bridge

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

of the chasm, the base of the fallen tower can be seen, reduced to a broken section of its former ground floor. Ruins This city once housed the Infernal Machine before Lum the Mad conquered those

follows the lines discovers that they converge at a huge central representation of a massive magical-mechanical device—the Infernal Machine.

Thundering Observatory Magic

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

143 (26d10) force damage. A creature reduced to 0 hit points is disintegrated into fine gray ash and can be returned to life only by a true resurrection or wish spell. A creature that activates this

controls can make a DC 20 Intelligence (Arcana) check. On a successful check, the creature can cast the scrying spell (spell save DC 17) from the device. A magical image of the target appears before the controls.

Hobgoblin Lair Locations

Compendium - Sources->Dungeons & Dragons->Heroes of the Borderlands

gelatinous cube in area F2 arrives here to dispatch them. The sentry is lying about how many hobgoblins remain. Weakened by their recent loss, the hobgoblins fear marauders and try to present a strong

a bristly cube of interlocking spears. Each spear barricade has these rules. Difficult Terrain. The barricade is Difficult Terrain. A creature that moves through the barricade takes 1d6 Piercing

Deck of Many More Things

Magic Items The Book of Many Things

it is killed or when you are reduced to 0 hit points. If there isn’t enough space for a Large or larger creature to appear, this card has no effect. Ooze. A gelatinous cube immediately appears

in your space and engulfs you. The gelatinous cube is hostile and remains until it is destroyed. If there isn’t enough space for the gelatinous cube to appear, this card has no effect. Path

Inside the Temple

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dragon Heist

divination magic around it. If asked about it, Nim tells Valetta that it built this device to find the errant nimblewright and tried to seek it out, only to discover that Nim couldn’t leave the temple grounds

device comes within 500 feet of a nimblewright other than Nim, the umbrella begins to spin, whir, and click. The spinning, whirring, and clicking accelerates as the distance to the target lessens

D&D Beyond

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