before book device called 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

Fulminating Treatise

Magic Items Tasha’s Cauldron of Everything

This thick, scorched spellbook reeks of smoke and ozone, and sparks of energy crackles along the edges of its pages. When found, the book contains the following spells: contingency, fireball, gust of

wind, Leomund's tiny hut, magic missile, thunderwave, and wall of force. It functions as a spellbook for you. While you are holding the book, you can use it as a spellcasting focus for your wizard

Duplicitous Manuscript

Magic Items Tasha’s Cauldron of Everything

To you, this book is a magical spellbook. To anyone else, the book appears to be a volume of verbose romance fiction. As an action, you can change the book’s appearance and alter the plot of

the romance. When found, the book contains the following spells: hallucinatory terrain, major image, mirror image, mislead, Nystul's magic aura, phantasmal force, and silent image. It functions as a

Atlas of Endless Horizons

Magic Items Tasha’s Cauldron of Everything

This thick book is bound in dark leather, crisscrossed with inlaid silver lines suggesting a map or chart. When found, the book contains the following spells, which are wizard spells for you while

you are attuned to the book: arcane gate, dimension door, gate, misty step, plane shift, teleportation circle, and word of recall. It functions as a spellbook for you. While you are

Gnome Ceremorph

Monsters Icewind Dale: Rime of the Frostmaiden

simply a facet of how their minds 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

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

Lyre of Building

Magic Items Tasha’s Cauldron of Everything

While holding this lyre, you can cast mending as an action. You can also play the lyre as a reaction when an object or a structure you can see within 300 feet of you takes damage, causing it to be

immune to that damage and any further damage of the same type until the start of your next turn. In addition, you can play the lyre as an action to cast fabricate, move earth, passwall, or summon construct (appears in this book), and that spell can’t be cast from it again until the next dawn.

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

Nass Lantomir's Ghost

Monsters Icewind Dale: Rime of the Frostmaiden

and headed toward the Sea of Moving Ice, hoping to find a tome called The Codicil of White, a book of magic and lore composed by servants of Auril the Frostmaiden. The Arcane Brotherhood believes that

this book tells how to reach a lost city of magic entombed in the ice. Before she could obtain the book, Nass perished. She now exists as a ghost, unable to rest until she finds the book. Characters

Horncaller

Monsters Guildmasters’ Guide to Ravnica

damage if used with two hands. One with the Worldsoul. The horncaller chooses one beast it can see within 30 feet of it. If the beast can hear the horncaller, the beast uses its reaction to make one melee

attack against a target that the horncaller can see.Specialized shamans called horncallers use their magic to call wild beasts to fight alongside Selesnya troops. In quieter times, they tend the animals associated with Selesnya enclaves and parks.

Ruxithid the Chosen

Monsters Phandelver and Below: The Shattered Obelisk

);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Psi-Charged Scimitar", "rollDamageType":"psychic"} psychic damage.Centuries ago, an abandoned duergar mining outpost called Zorzula’s Rest was

, but the goblins remained, sequestered from the rest of the world until recently when the mind flayer fanatics called on them. Some of these goblins’ descendants possess psionic powers, as

The Codicil of White

Magic Items Icewind Dale: Rime of the Frostmaiden

The Codicil of White is a tall, thin volume bound in white ermine fur over seasoned boards of white pine and sealed with a clasp and lock of tarnished silver. The book is cold to the touch, and the

(frost fingers), and a poem called “Rime of the Frostmaiden” (see appendix E). The poem is an incantation, the power of which can be used to split a glacier (see chapter 6). The poem might have other capabilities, at your discretion.

Horn of Beckoning Death

Magic Items Legendary Magic Items

Resembling a small dragon’s horn, this arcane device glows with a hellish internal light when held. As an action while holding this horn, you can invoke a necromantic effect called the

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

Goose Mother

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

an extra reaction that can be used only for opportunity attack;opportunity attacks. Wakeful. While the Goose Mother sleeps, at least one of its heads is awake.Multiattack. The Goose Mother makes as

, you can use the Goose Egg Trinket table to determine the contents of one of the Goose Mother’s eggs that isn’t destined to hatch into a goose or a giant goose (also described in that book).

Kithkin

races Lorwyn: First Light

a heinous crime. In Lorwyn Lorwyn kithkin live in pastoral villages called clachans and welcome outsiders into their communities. These kithkin collect their cultural heritage in a tome called the

Book of Kith and Kin. They also often entertain many superstitions, particularly related to Lorwyn’s incarnations of nature. In Shadowmoor Shadowmoor kithkin are more insular and xenophobic

Thri-kreen Gladiator

Monsters Spelljammer: Adventures in Space

demonstrate emotion and reaction, thri-kreen clack their mandibles and wave their antennae, indicating to other thri-kreen what they are thinking and feeling. Other creatures find this method of

, particularly the gythka (a two-handed polearm with a blade at each end) and a light thrown weapon called a chatkcha (a flat, triangular wedge with three serrated blades). Gythkas typically have shafts

Blade Lieutenant

Monsters Vecna: Eve of Ruin

. Blades of Eberron In the aftermath of Eberron’s Last War, a warforged called the Lord of Blades rose to fill the power vacuum left in the devastated Mournland. The Lord of Blades&rsquo

target can make one melee attack using its reaction, if available, and has advantage on the attack roll. Rally the Troops (1/Day). The lieutenant ends the charmed and frightened conditions on itself and each creature of its choice that it can see within 30 feet of itself.

Thri-kreen Hunter

Monsters Spelljammer: Adventures in Space

themselves. The Thri-kreen language doesn’t employ words in the usual sense. To demonstrate emotion and reaction, thri-kreen clack their mandibles and wave their antennae, indicating to other

, thri-kreen rely on a form of telepathy. Thri-kreen often use weapons of their own design, particularly the gythka (a two-handed polearm with a blade at each end) and a light thrown weapon called a

Thri-kreen Mystic

Monsters Spelljammer: Adventures in Space

revitalize themselves. The Thri-kreen language doesn’t employ words in the usual sense. To demonstrate emotion and reaction, thri-kreen clack their mandibles and wave their antennae

weapon called a chatkcha (a flat, triangular wedge with three serrated blades). Gythkas typically have shafts of bone and obsidian blades, while chatkchas are usually made of sharpened bone or crystal. A

Endelyn Moongrave

Monsters The Wild Beyond the Witchlight

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

called the Orrery of Tragedies clicks and turns day and night, giving Endelyn glimpses of her terrible fate. Alignment. Neutral evil. Personality Trait. “I have foreseen not only this moment but

Zuggtmoy Legacy

Monsters Out of the Abyss

infected by these spores for 24 hours. On a failed save, the creature is infected with a disease called the spores of Zuggtmoy and also gains a random form of madness (determined by rolling on the Madness

save, the creature is infected with a disease called the influence of Zuggtmoy for 24 hours. While infected, the creature is charmed by her and can’t be reinfected by these spores.Protective

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

one Wave of Sorrow attack. Dance, My Puppet! One creature charmed by Graz’zt that Graz’zt can see must use its reaction to move up to its speed as Graz’zt directs.The appearance of

provoked. He wields the greatsword Angdrelve, also called Wave of Sorrow, whose wavy, razor-edged blade drips acid at his command.Graz’zt’s Lair Graz’zt’s principal lair is his

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

channel and control their magic. This apparatus is a collection of leather straps, flexible tubing, glass cylinders, and plates, bracers, and fittings made from a magic-infused metal alloy called mizzium

Sea Spawn

Monsters Mordenkainen Presents: Monsters of the Multiverse

turtle;dragon turtles (morkoths appear in this book; the others appear in the Monster Manual)—all of these and more can mark mortals as their own and claim them as minions. Unlucky folk might

any combination of such qualities. Some of these piscine body parts provide them with special abilities. The Sea Spawn of Purple Rocks Visitors to a string of islands called the Purple Rocks (in

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

Yeenoghu Legacy

Monsters Out of the Abyss

, decorated by the flayed skins of his foes. He wields a triple-headed flail called the Butcher, which he can summon into his hand at will, although he is as likely to tear his prey apart with his bare

hands before ripping out its throat with his teeth.Yeenoghu’s Lair Yeenoghu’s lair in the Abyss is called the Death Dells, its barren hills and ravines serving as one great hunting ground

Rak Tulkhesh

Monsters Eberron: Rising from the Last War

). Each creature within 60 feet of Rak Tulkhesh must succeed on a DC 24 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no creatures

can't die permanently. Upon its death, it reforms elsewhere in the multiverse and becomes active again at a time set by the DM. Rak Tulkhesh Called the Rage of War, Rak Tulkhesh is the incarnation of

Baphomet

Monsters Mordenkainen Presents: Monsters of the Multiverse

civilization. Baphomet wields a great glaive called Heartcleaver. He also charges his enemies and gores them with his horns, trampling his foes into the earth and rending them with his teeth like a

beast.Baphomet’s Lair Baphomet’s lair is his palace, the Lyktion, which is on the layer of the Abyss called the Endless Maze. Nestled within the twisting passages of the planewide labyrinth

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

. The Gnoll Lord is covered in matted fur and leathery hide, and his face resembles a grinning predator’s skull. He wields a triple-headed flail called the Butcher, which he can summon into his hand

at will, although he is as likely to tear his prey apart with his teeth.Yeenoghu’s Lair Yeenoghu’s lair in the Abyss is called the Death Dells. Its barren hills and ravines serve as a

Polukranos

Monsters Mythic Odysseys of Theros

beyond one, it gets an extra reaction that can be used only to make opportunity attacks. Siege Monster. Polukranos deals double damage to objects and structures. Wakeful. While Polukranos sleeps, at

can make a stomp attack against that creature.Polukranos, called the World Eater, is the mortal manifestation of the eternal ideal of a hydra. In its first incarnation, it fell from Nyx to the mortal

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

. One creature charmed by Zuggtmoy that she can see must use its reaction, if available, to move up to its speed as she directs or to make one weapon attack against a target that she designates.The Demon

infected with a disease called the spores of Zuggtmoy, which lasts until the creature is cured of the disease or dies. While infected in this way, the creature can’t be reinfected, and it must

Archon of Falling Stars

Monsters Mythic Odysseys of Theros

makes a radiant spear attack, and then its mount can use its reaction to make a melee weapon attack. Return to Nyx (Costs 3 Actions). The archon causes a corpse it can see within 30 feet of it to burst

saving throw or take 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollDamageType":"radiant"} radiant damage.The epic accounting of the world’s earliest histories called The Cosmogony

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

its action, reaction, and movement. Spellcasting. Demogorgon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 23

long to delirium. As a result, all followers of the Prince of Demons break with reality sooner or later.Demogorgon’s Lair Demogorgon makes his lair in a palace called Abysm, found on a layer

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

4. Reaction Timing

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

4. Reaction Timing Certain game features let you take a special action, called a reaction, in response to an event. Making opportunity attacks and casting the shield spell are two typical uses of

reactions. If you’re unsure when a reaction occurs in relation to its trigger, here’s the rule: the reaction happens after its trigger, unless the description of the reaction explicitly says otherwise. Once you take a reaction, you can’t take another one until the start of your next turn.

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