becoming before device continual 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

Gnome Ceremorph

Monsters Icewind Dale: Rime of the Frostmaiden

while becoming able to speak Deep Speech and Undercommon. It retains fragmented memories of its previous life and previous alignment, not to mention a propensity for invention. Laser Pistol. A gnome

ceremorph often carries a home-built device that functions as a laser pistol (see “Firearms” in the Dungeon Master’s Guide). This weapon is powered by an energy cell, which enables

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

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

Storm Giant Quintessent

Monsters Mordenkainen Presents: Monsters of the Multiverse

, dispersing itself into the storm surrounding its lair. The giant can end this effect at the start of any of its turns, becoming a giant once more and appearing in any location it chooses within its lair

their banks; snow, dust, or sand forms deep drifts or dunes. Lightning. Flashes of lightning and peals of thunder are continual, day and night, within 5 miles of the lair. Winds. High wind blows within

Storm Giant Quintessent Legacy

Monsters Volo's Guide to Monsters

of its turns, becoming a giant once more and appearing in any location it chooses within its lair. While dispersed, the giant can't take any actions other than lair actions, and it can't be targeted

, dust, or sand form deep drifts or dunes. Flashes of lightning and peals of thunder are continual, day and night, within 5 miles of the lair. If the giant dies, the lightning, thunder, and high wind

Fog Giant

Monsters Mordenkainen's Fiendish Folio Volume 1

shouts bloodcurdling threats at the creatures that serve it. Each medium or smaller ally of the giant within 120 feet of it that can see or hear it can use its reaction to make a melee attack.The place of

treasure plundered fall to the bottom of the ordning, becoming outcasts known as fog giants. Cut off from their proper place in society, they become raiders and marauders who seek to reclaim their

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

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

’s origins and operation can be found in the Mind of Metal, a tome of artificer’s secrets that connects the device to the traditions of the lost Olman people, and which was written by Lum the

Yuan-ti Pureblood Legacy

Species Volo's Guide to Monsters

cannibalizing their victims, and then performed a sorcerous ritual while writhing in pools filled with living snakes that enabled them to mix their flesh with that of serpents, becoming like the gods in

they don’t believe they have a reasonable chance of success. This reaction isn’t out of cowardice, but practicality—yuan-ti value their own lives much too highly to risk them when the

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

Into the Underdark

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

Into the Underdark Little Lockford is situated in the Underdark, but the tunnels leading to the settlement are well traveled and relatively easy to navigate. Stone signs illuminated by continual

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

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

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

Duergar Hammerer

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

duergar’s pain into energy that powers the device, which is typically used to dig tunnels and repel invaders. Duergar Hammerer Medium construct, lawful evil Armor Class 17 (natural armor) Hit Points 33

the hammerer can respond by using its Multiattack with its reaction. Siege Monster. The hammerer deals double damage to objects and structures. Actions Multiattack. The hammerer makes two

Episode 2: Fun in Phandalin

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

. While in Phandalin, the adventurers have the opportunity to interact with the townsfolk, possibly becoming involved in small-town dramas — including a mayoral election. Those events could have a

mysterious magic clockwork device that the characters recognize as part of the magic orrery found under Waterdeep. Investigating where the attackers slipped into the manor’s basement and dungeon, the

57. Oubliette

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

green devil’s face, its flared nostrils set just above the putrescent mass. A sconce above the face holds a flickering torch. The torch burns with a continual flame spell, illuminating the humanoid

and destroyed. If a character fails the saving throw, another character within reach, or any character bound to the first character by a rope, can use his or her reaction to grab on and grant the

Black Cabin Locations

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

first time a creature picks up the Summer Star, its core glows with a golden radiance as bright as a candle flame. Unless the creature drops the device immediately, the light suddenly blossoms, becoming

a 10-foot-radius sphere of incinerating golden radiance centered on the device. Each creature in the sphere must make a DC 17 Constitution saving throw, taking 90 (10d10 + 35) radiant damage on a

The Draakhorn Sounds

Compendium - Sources->Dungeons & Dragons->Tyranny of Dragons

, becoming nervous, fearful, and impatient. During the first session of the council (or earlier if the characters make efforts to investigate the strange phenomenon), the adventurers are approached by Dala

Silmerhelve—a Waterdhavian noble. Read or paraphrase the following when the characters speak to Dala. “The disturbance that’s been sensed across the Sword Coast is the Draakhorn—an ancient device whose

The Draakhorn Sounds

Compendium - Sources->Dungeons & Dragons->Rise of Tiamat

, becoming nervous, fearful, and impatient. During the first session of the council (or earlier if the characters make efforts to investigate the strange phenomenon), the adventurers are approached by Dala

Silmerhelve — a Waterdhavian noble. Read or paraphrase the following when the characters speak to Dala. “The disturbance that’s been sensed across the Sword Coast is the Draakhorn — an ancient device

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

Secret of the Black Cabin

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

holed up in the Black Cabin, where he spent all his time assembling a weather-controlling magical device called the Summer Star, using knowledge he gleaned from a book about Netherese artifacts

. Macreadus’s device was similar in design to a mythallar (see appendix D), but much smaller. Unfortunately for him, it had a serious design flaw. When Macreadus tried to use it three days ago, it malfunctioned

Resolving Interactions

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

condescending noble might wish to see a group of upstart adventurers fail so as to keep them from becoming rivals for the king’s attention, thwarting them with slander and scheming rather than direct threats

, or Intimidation skill might apply to the check. The creature’s current attitude determines the DC required to achieve a specific reaction, as shown in the Conversation Reaction table. Conversation

Jalester Silvermane

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

government, but Faerrel was killed while helping bring the perpetrators to justice. Jalester remained in Waterdeep afterward, becoming one of Laeral’s field operatives in the service of Waterdeep and the

. Reactions Riposte. When a creature that Jalester can see misses him with a melee attack, he can use his reaction to make a melee weapon attack against that creature. On a hit, the target takes an extra 4 damage from the weapon.

M2. Amphitheater

Compendium - Sources->Dungeons & Dragons->The Wild Beyond the Witchlight

stage is an intricate wooden device operated by four unarmed goblins (neutral noncombatants) in theater masks. Mounted to the rig are a dozen shuttered cylinders, each one with a continual flame spell

korreds’ special jig (see “Korred Dance” earlier in the chapter) can command the hair to operate these contraptions; otherwise, a device can be manually operated by a character who makes a successful DC 15 Intelligence (Arcana) check.

Mind Flayers

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

work. When the process is warped only slightly, the mind flayer remains gnome-sized and is called a gnome ceremorph. It retains its knowledge of the Gnomish language while becoming able to speak Deep

-built device that functions as a laser pistol (see “Firearms” in the Dungeon Master’s Guide). This weapon is powered by an energy cell, which enables the weapon to fire 50 shots. After its last shot is

Story Overview

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

device called the Soulmonger. The Harpers received their intelligence from a lich, but they don’t know much about the Soulmonger other than its name and general whereabouts. Adventurers willing to

of transformation, becoming a yuan-ti malison. As a yuan-ti, Ras Nsi imposed his terrible will on the evil snake people and became their leader. Beneath the cracked and broken streets of Omu lies a

Phantom

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

from the dead and become immersed in negative energy, eventually becoming like ghosts. Thieves’ guilds value them as highly effective information gatherers and spies. Many shadar-kai of the

of its life essence that takes physical form: as a reaction when a creature you can see dies within 30 feet of you, you can open your free hand and cause a Tiny trinket to appear there, a soul trinket

Smoldertown (Areas L7–L9)

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

-stained lanterns with continual flame spells cast inside them. Half-drunk flagons of flat mushroom beer rest on the bar and on the tables, abandoned by patrons in their haste to evacuate Little Lockford

turn there, that creature becomes the target of a crown of madness spell (save DC 15) that has a duration of 1 minute. Fail-Safe Device. If Tockworth’s security key is inserted into the metal box

Armorer

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

almost like a second skin. The armor is enhanced to hone the artificer’s magic, unleash potent attacks, and generate a formidable defense. The artificer bonds with this armor, becoming one with it even as

shown below. Guardian. When a Huge or smaller creature you can see ends its turn within 30 feet of you, you can use your reaction to magically force it to make a Strength saving throw against your

Oath of the Crown

Compendium - Sources->Dungeons & Dragons->Sword Coast Adventurer’s Guide

(minimum of 1) if it has no more than half of its hit points. Divine Allegiance Starting at 7th level, when a creature within 5 feet of you takes damage, you can use your reaction to magically substitute

Spirit Starting at 15th level, you have advantage on saving throws to avoid becoming paralyzed or stunned. Exalted Champion At 20th level, your presence on the field of battle is an inspiration to those

Mighty Servant of Leuk-o

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

device known as the Machine of Lum the Mad. The best details on the device’s origins and operation can be found in the Mind of Metal, a tome of artificer’s secrets that connects the device to the

can use your reaction to command the servant to make one Destructive Fist attack against that creature. While there are no attuned creatures inside the servant, it is an inert object. Ghost in the

Lich

Compendium - Sources->Dungeons & Dragons->Monster Manual (2014)

lichdom on a whim, and the process of becoming a lich is a well-guarded secret. Wizards that seek lichdom must make bargains with fiends, evil gods, or other foul entities. Many turn to Orcus, Demon

of the lich drains from it, leaving only a lifeless corpse behind. Within days, a new body reforms next to the lich’s phylactery, coalescing out of glowing smoke that issues from the device. Because

Casino Features

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

dancing lights spells that create flames of a hellish hue. These lights float and bob at varying heights. The employee tunnels contain continual flame spells cast on sconces. The music that plays throughout

hit points, and immunity to poison and psychic damage. In addition to functioning as a normal mirror, each security mirror acts as a magical scrying device, allowing guards in the security office

Spellcasting

Compendium - Sources->Dungeons & Dragons->Eberron: Rising from the Last War

create the specialized items you’ll use to produce your effects. If you replace cure wounds with heat metal, you might be altering the device you use to heal — perhaps modifying a tool so that it

drink sanctuary snare * 2nd Level aid alter self arcane lock blur continual flame darkvision enhance ability enlarge/reduce heat metal invisibility lesser restoration

Spellcasting

Compendium - Sources->Dungeons & Dragons->Wayfinder's Guide to Eberron

specialized items you’ll use to produce your effects. If you replace cure wounds with heat metal, you might be altering the device you use to heal—perhaps modifying a tool so that it channels heat instead

snare * 2nd Level aid alter self arcane lock blur continual flame darkvision enhance ability enlarge/reduce heat metal invisibility lesser restoration levitate magic mouth

D&D Beyond

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