before black device cube reaction

Narycrash

Equipment

This backpack-sized device holds a balloon-based parachute. If you fall while wearing this device, you can use your reaction to deploy the parachute. Once deployed, the parachute rapidly inflates

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

Iron Consul

Monsters Baldur’s Gate: Descent into Avernus

immediately use its reaction to make one melee attack.Bane’s devoted followers are warriors who seek to rule through martial strength and intimidation, cruel tyrants who use threats and gifts as

Bane are warriors who wear heavy armor and wield maces, swords, spears, and crossbows. They paint the right gauntlet of their armor black in honor of their patron. Bane’s clerics wield black

Spiderdragon

Monsters Vecna: Eve of Ruin

as much damage on a successful one.The terrors known as spiderdragons were first found in the deepest corners of the Underdark and trace their origins to black dragon wyrmlings who ate a steady diet

powerful as their black dragon progenitors, though, and they often drain the enclaves’ resources with their selfish demands. Uninterested in building lairs, spiderdragons weave powerful webs and

Burrowshark

Monsters Princes of the Apocalypse

Bond of the Black Earth. The burrowshark is magically bound to a bulette trained to serve as its mount. While mounted on its bulette, the burrowshark shares the bulette;bulette's senses and can ride

":"damage","rollAction":"Spear","rollDamageType":"piercing"} piercing damage if used with two hands to make a melee attack.Unyielding. When the burrowshark is subjected to an effect that would move it, knock it prone, or both, it can use its reaction to be neither moved nor knocked prone.

Chronolometer

Magic Items Acquisitions Incorporated

While attuned to this device, you have a +1 bonus to Intelligence saving throws. The first time you attune to the chronolometer, you choose one language you don’t know. You subsequently know

that language while attuned to the device. Time Bandit. At the start of your turn, roll a d6 (no action required). On a 1–3, you slow down time, gaining an additional action on your turn and

Pyrotechnics

spells Elemental Evil Player's Companion

Choose an area of nonmagical flame that you can see and that fits within a 5-foot cube within range. You can extinguish the fire in that area, and you create either fireworks or smoke when you do so

turn. Smoke. Thick black smoke spreads out from the target in a 20-foot radius, moving around corners. The area of the smoke is heavily obscured. The smoke persists for 1 minute or until a strong wind disperses it.

Lichen Lich

Monsters Candlekeep Mysteries

","rollType":"damage","rollAction":"Wither","rollDamageType":"necrotic"} necrotic damage. Fire Storm (7th-Level Spell; 1/Day). The lich fills up to ten 10-foot cubes with fire. Every cube must be within

150 feet of the lich and occupy a space the lich can see, and each cube must have at least one face adjacent to the face of another cube. Each creature in the area must make a DC 19 Dexterity saving

Wheel of Stars

Magic Items Acquisitions Incorporated

While attuned to this device, you have a +1 bonus to Wisdom saving throws, and you can use an action to cast the dancing lights, guidance, or message cantrips. Portent of the Stars. As a reaction

Absorbing Tattoo

Magic Items Tasha’s Cauldron of Everything

Blue 3 Absorbing Tattoo, Fire;Fire Red 4 Absorbing Tattoo, Force;Force White 5 Absorbing Tattoo, Lightning;Lightning Yellow 6 Absorbing Tattoo, Necrotic;Necrotic Black

Damage Absorption. When you take damage of the chosen type, you can use your reaction to gain immunity against that instance of the damage, and you regain a number of hit points equal to half the

Sweettooth Horror

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

described here, creatures found in and around Sweettooth Village might include gingerbrute;gingerbrutes as well as variations of oozes from the Monster Manual. For example, a black pudding might have

a delicious chocolatey flavor, a gelatinous cube might have a more decorative shape and taste fruity, and an ochre jelly could smell like butterscotch. PoisonBludgeoning

Ooze Master

Monsters Tales from the Yawning Portal

, Melf's acid arrow, suggestion 3rd level (3 slots): fear, slow, stinking cloud 4th level (3 slots): confusion, Evard's black tentacles 5th level (1 slot): cloudkill Spider Climb. The Ooze Master can

30 feet of it, the Ooze Master can use a reaction to divert the attack if another creature is within the attack's range. The attacker must make a DC 15 Wisdom saving throw. On a failed save, the

Sanctum Amulet

Magic Items Bigby Presents: Glory of the Giants

A black opal pendant hangs at the base of this pearlescent chain. The sacred rune is inscribed on the back of the pendant. While wearing this item, you have resistance to necrotic damage

taking damage, you can use your reaction to invoke the item’s rune, causing the pendant to flash with pale light. The creature then instead drops to 1 hit point. Once the rune has been invoked, it can’t be invoked again until the next dawn.

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

within 24 hours of being caught. 11-14 Yellow with black stripes Once removed from the hook, this awful-tasting fish can be thrown up to 120 feet, targeting a creature the thrower can see. The

Tiamat

Monsters Tyranny of Dragons

effects. Magic Weapons. Tiamat’s weapon attacks are magical. Multiple Heads. Tiamat can take one reaction per turn, rather than only one per round. She also has advantage on saving throws

","rollAction":"Bite (Acid)","rollDamageType":"acid"} (black dragon head), lightning damage;{"diceNotation":"4d6","rollType":"damage","rollAction":"Bite (Lightning)","rollDamageType":"lightning"} (blue dragon

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

gleaming black alloy of unknown origin, the servant is often described as a combination of a disproportioned dwarf and an oversized beetle. The servant contains enough space for 1 ton of cargo and a

conjecture than fact, often referring to otherworldly beings, the mysterious Barrier Peaks in Oerth, and the supposedly related device known as the Machine of Lum the Mad. The best details on the device

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic taiga

);{"diceNotation":"1d6","rollType":"damage","rollAction":"Thicket","rollDamageType":"piercing"} piercing damage from thorns.Each 10-foot-cube of thickets has AC 5, 30 hit points, resistance to bludgeoning and

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

continues down its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic

);{"diceNotation":"1d6","rollType":"damage","rollAction":"Thickets","rollDamageType":"piercing"} piercing damage from thorns.Each 10-foot-cube of thickets has AC 5, 30 hit points, resistance to bludgeoning

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

creature within 30 feet of it that it can see. The target must succeed on a DC 16 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no

creatures are within reach, or the target can’t take a reaction, it takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic"} psychic

Mizzium Apparatus

Magic Items Guildmasters’ Guide to Ravnica

Innovation is a dangerous pursuit, at least the way the mages of the Izzet League engage in it. As protection against the risk of an experiment going awry, they have developed a device to help

stinking cloud 4th-Level Spells d4 Spell 1 confusion 2 conjure minor elementals 3 Evard's black tentacles 4 ice storm 5th-Level Spells d4 Spell 1 animate objects 2 cloudkill 3 cone of cold 4 flame strike

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

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 throw

(Recharge 5–6). As a reaction when this creature takes damage, it can roll a d10 and subtract the number rolled from the damage. Cold, Fire, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Ancient Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

around a creature within 30 feet of it that it can see. The target must succeed on a DC 19 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If

no creatures are within reach, or the target can’t take a reaction, it takes 11 (2d10);{"diceNotation":"2d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

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 throw or take

–6). As a reaction when this creature takes damage, it can roll a d10 and subtract the number rolled from the damage. Geryon (Variant);VARIANT: SOUND THE HORN Geryon can have an action that

Narycrash

Compendium - Sources->Dungeons & Dragons->Dragonlance: Shadow of the Dragon Queen

Narycrash This backpack-sized device holds a balloon-based parachute. If you fall while wearing this device, you can use your reaction to deploy the parachute. Once deployed, the parachute rapidly

Claugiyliamatar

Monsters Storm King's Thunder

folk. Even so, her collection of crystal balls allows her to stay abreast of events happening in the world.The forest-loving green dragons sometimes compete for territory with black dragons in marshy

contact with the thickets or take 3 (1d6);{"diceNotation":"1d6","rollType":"damage","rollAction":"Thorns","rollDamageType":"piercing"} piercing damage from thorns.Each 10-foot-cube of thickets has AC 5

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

Claugiyliamatar (possessed)

Monsters Divine Contention

is possessing the body of ClaugiyliamatarThe forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic taiga. However, a forest

thorns.Each 10-foot-cube of thickets has AC 5, 30 hit points, resistance to bludgeoning and piercing damage, vulnerability to fire damage, and immunity to psychic and thunder damage. Within 1 mile of its

Surprise

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

Surprise A band of adventurers sneaks up on a bandit camp, springing from the trees to attack them. A gelatinous cube glides down a dungeon passage, unnoticed by the adventurers until the cube

doesn't notice a threat is surprised at the start of the encounter. If you're surprised, you can't move or take an action on your first turn of the combat, and you can't take a reaction until that turn ends. A member of a group can be surprised even if the other members aren't.

Surprise

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

Surprise A band of adventurers sneaks up on a bandit camp, springing from the trees to attack them. A gelatinous cube glides down a dungeon passage, unnoticed by the adventurers until the cube

doesn’t notice a threat is surprised at the start of the encounter. If you’re surprised, you can’t move or take an action on your first turn of the combat, and you can’t take a reaction until that turn ends. A member of a group can be surprised even if the other members aren’t.

Ooze

Compendium - Sources->Dungeons & Dragons->Monster Manual

Ooze Black Pudding Blob of Annihilation Gelatinous Cube Gray Ooze Ochre Jelly Psychic Gray Ooze

Chronolometer

Compendium - Sources->Dungeons & Dragons->Acquisitions Incorporated

Chronolometer Wondrous item, very rare (requires attunement) While attuned to this device, you have a +1 bonus to Intelligence saving throws. The first time you attune to the chronolometer, you

choose one language you don’t know. You subsequently know that language while attuned to the device. Time Bandit. At the start of your turn, roll a d6 (no action required). On a 1–3, you slow down time

Into the Underdark

Compendium - Sources->Dungeons & Dragons->Keys from the Golden Vault

characters in Terran. The creature is bored and eager to strike up a conversation, if only to ask about the weather. 4 A black pudding oozes from a hole in the wall and attacks. 5 The characters find a

Tiny clockwork device that was left behind by a svirfneblin miner. The device produces a miniature flame that can be used to light a candle, torch, or campfire. Using the device requires an action. 6

Rogue

Compendium - Sources->Dungeons & Dragons->Sage Advice Compendium

the fighter’s turn, and if the attack qualifies, it can use Sneak Attack. Both of those options rely on the use of your reaction, so you could do only one of them in a round. Because you get only one

reaction per round, you’re unlikely to use Sneak Attack more than twice in a round: once with your action and once with your reaction. For Sneak Attack, what if another enemy of your target was 10

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

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