book before device connected reaction

Wall of Stone

Spells Player’s Handbook

success, it can use its Reaction to move up to its Speed so that it is no longer enclosed by the wall. The wall can have any shape you desire, though it can’t occupy the same space as a

a panel to 0 Hit Points destroys it and might cause connected panels to collapse at the DM’s discretion. If you maintain your Concentration on this spell for its full duration, the wall becomes permanent and can’t be dispelled. Otherwise, the wall disappears when the spell ends.

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

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

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

Wall of Stone Legacy

Spells Basic Rules (2014)

success, it can use its reaction to move up to its speed so that it is no longer enclosed by the wall. The wall can have any shape you desire, though it can't occupy the same space as a creature or

connected panels to collapse at the GM's discretion. If you maintain your concentration on this spell for its whole duration, the wall becomes permanent and can't be dispelled. Otherwise, the wall disappears when the spell ends.

Hill Giant Avalancher

Monsters Bigby Presents: Glory of the Giants

Hill Rebuff reaction. The object bearing the rune has AC 15; 20 hit points; and immunity to necrotic, poison, and psychic damage. The object regains all its hit points at the end of every turn, but

giant conjures three stone balls connected by lines of magical force and throws them at one creature it can see within 60 feet of itself. The target must make a DC 16 Dexterity saving throw. On a

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).

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

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

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

the flow of time, their horns grow with branching, rainbow-hued veins suggestive of time’s paths and possibilities. Ancient time dragon;Ancient time dragons can create temporal gates connected

action on its turn, not both. The creature also can’t take a reaction or a bonus action. Timeline Divergence. The dragon chooses a space it can fit into within its lair. The dragon exists

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

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

dragons can create temporal gates connected to specific times and places in the multiverse. Using these, they and allied creatures can travel anywhere in time to affect fate-determining moments or to banish

affected creature can move or take an action on its turn, not both. The creature also can’t take a reaction or a bonus action. Timeline Divergence. The dragon chooses a space it can fit into

Powered Armor

Magic Items Lost Laboratory of Kwalish

magic that generates a conduit something like an astral silver cord. While so connected, a willing ally can give up hit points as a reaction to fuel the armor’s abilities.

Powered armor resembles a suit of unusual plate armor, with finely articulated joints connected by an oily, black, leather-like material. The armor has been worked to create the appearance of a

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

Redemption

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

Redemption A halfling warlock named Remi Duskweather renounced her pact and dedicated herself to serving a holy order (potentially one connected with a cleric or paladin in the party). As her final

test of faith, Remi has been tasked with using her connection to her former patron—the arcanaloth Nebukath—to help the holy order obtain and destroy the Book of Vile Darkness. Remi has gotten the

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

Book Description

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

Book Description This children’s book is a mechanical curiosity of gnomish design, with a cover made of wood and copper. The front cover bears a faded, hand-painted rendering of a round millstone

. The book is square, eighteen inches along each edge of the cover. A silver music box set into the book’s spine is heavily dented at one end. The book has no pages in the typical sense, but it opens to

Atlas of Endless Horizons

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

prepared wizard spells with a different spell in the book. The new spell must be of the conjuration school. When you are hit by an attack, you can use your reaction to expend 1 charge to teleport up to 10

Atlas of Endless Horizons Wondrous item, rare (requires attunement by a wizard) Atlas of Endless Horizons This thick book is bound in dark leather, crisscrossed with inlaid silver lines suggesting a

Duplicitous Manuscript

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

Duplicitous Manuscript Wondrous item, rare (requires attunement by a wizard) 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

Acolyte - Baldur's Gate

Backgrounds Baldur’s Gate: Descent into Avernus

to you when you entered the priesthood), a prayer book or prayer wheel, 5 sticks of incense, vestments, a set of common clothes, and a pouch containing 15 gp FEATURE: SHELTER OF THE FAITHFUL As

hazardous and you remain in good standing with your temple. BALDUR’S GATE FEATURE: RELIGIOUS COMMUNITY You’re tightly connected with the religious community of Baldur’s Gate

Fulminating Treatise

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

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. Fulminating

Treatise While you are holding the book, you can use it as a spellcasting focus for your wizard spells. The book has 3 charges, and it regains 1d3 expended charges daily at dawn. You can use the

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

Backgrounds

Compendium - Sources->Dungeons & Dragons->Eberron: Forge of the Artificer

can choose Dragonmark feats anytime they have an unrestricted feat choice. The House Agent background grants house affiliation without a dragonmark. In addition to the backgrounds connected to

dragonmarks and their houses, the Archaeologist and Inquisitive backgrounds support the campaigns presented in this book (see chapters 4 and 6).

Creating a Campaign

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal

broad range of levels. With a little work, you can run a complete campaign using only this book. Starting with The Sunless Citadel, guide your players through the adventures in the order that they are

presented in this book. Each one provides enough XP that, upon completing the adventure, the characters should be high enough level to advance to the next one. The Yawning Portal, or some other tavern

Action-Oriented Creatures

Compendium - Sources->Dungeons & Dragons->Flee, Mortals! Rule Primer

Action-Oriented Creatures The solo and leader creatures presented in this book are designed to be bosses: enemies who can take on an entire party by themselves or with a handful of underlings. Rather

than simply increasing the challenge rating (an approach that often leads to underwhelming encounters), this book introduces action-oriented creatures. A powerful villain needs plenty of

Lyre of Building

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

Lyre of Building Wondrous item, rare (requires attunement by a bard) 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

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.

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

Black Cabin Locations

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

corners by stiff winds blowing through broken windows. The walls and furniture are scorched black, including a table with the charred remains of a book on it. Next to the table, on the floor amid

several broken wine bottles, is a mostly incinerated skeleton and a round, frost-covered object about six inches in diameter. The important features of this room are the charred book, the partially

Giantkind

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

inciting the fomorians to assault the Feywild, the All-Father also excluded the fomorians from the ordning. Death Giants. Once cloud giants, death giants (introduced in chapter 6 of this book) technically

. The Many Meanings of “Giant” The word “giant” has multiple meanings in English and in the rules of D&D, opening the possibility of some confusion. As a rule, when this book talks about “giants

Marked for Death

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

set on ending the threat of the princess by destroying the book and all those connected to it. If the characters ask about the Princess of the Shadow Glass, the elves say that she was exiled from the

after her exile, but they do not know that her prison is the book. The characters might also use the speak with dead spell to learn some of the above information from fallen enemies. Treasure Each wizard wears a ring of gleaming black glass (worth 10 gp) on the third finger of their left hand.

Godefroy's Torment

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

escaping his undead existence. However, he can’t grasp even its basic workings and is frustrated by every delay and malfunction related to the device. FOUNDATIONS OF HORROR Three years after the 1983

book. With the House on Gryphon Hill, Barovia and Mordent paved the way for Ravenloft to become a vast and varied setting encompassing dozens of Domains of Dread.

D&D Beyond

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