before becoming device constructs reaction

Robot Controller

Equipment

communicate remotely with each other through the device. Whenever the charmed Construct takes damage, it can repeat the saving throw, ending the effect on itself on a success. Disrupt. Constructs of

This small handheld device features a glass pane with a glowing display that responds to your touch. The controller is powered by an energy cell stored in the device. Placing a full energy cell in

Power Word Heal Legacy

Spells Player’s Handbook (2014)

A wave of healing energy washes over the creature you touch. The target regains all its hit points. If the creature is charmed, frightened, paralyzed, or stunned, the condition ends. If the creature is prone, it can use its reaction to stand up. This spell has no effect on undead or constructs.

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

Allip Legacy

Monsters Mordenkainen’s Tome of Foes

Madness","rollDamageType":"psychic"} psychic damage and must use its reaction to make a melee weapon attack against one creature of the allip's choice that the allip can see. Constructs and undead are

stunned until the end of its next turn. On a successful save, it takes half as much damage and isn't stunned. Constructs and undead are immune to this effect.Cold, Necrotic, PoisonAcid, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

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

Allip

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollDamageType":"psychic"} psychic damage, and it is stunned until the end of its next turn. On a successful save, it takes half as much damage and isn’t stunned. Constructs and Undead are immune to this

":"2d8+3", "rollType":"damage", "rollAction":"Whispers of Compulsion", "rollDamageType":"psychic"} psychic damage and must use its reaction to make a melee weapon attack against one creature of 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

Reborn

Species Van Richten’s Guide to Ravenloft

those of various undead or constructs. The Reborn Origins table provides suggestions for how your character became reborn. Reborn Origins d8 Origins 1 You were magically

perfectly preserved remains. Lamordia. You awoke amid the bizarre experiments of an amoral scientist. They consider you their finest creation or have a task for you to fulfill. Mordent. You emerged from the mysterious device known as the Apparatus, your body a lifeless shell and your past a mystery.

Lich Legacy

Monsters Basic Rules (2014)

":"1d10","rollType":"roll","rollAction":"Days"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting. The lich is an 18th-level

. Everything about a lich’s lair reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses

Shield of the Uven Rune

Magic Items Waterdeep: Dungeon of the Mad Mage

cold damage. Deadly Rebuke. Immediately after a creature hits you with a melee attack, you can use your reaction to deal 3d6 necrotic damage to that creature. Bane. You can cast the bane spell from

has the properties of a +1 weapon. The bonus increases to +3 when the weapon is used against one of the following creature types, chosen by you at the time of the magic weapon’s creation: aberrations, celestials, constructs, dragons, elementals, fey, fiends, giants, or undead.

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting. The lich is an 18th

and traps. Everything about a lich’s lair reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy

Exethanter

Monsters Curse of Strahd

":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting. Exethanter is an

the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses, emerging to destroy those who dare to disturb the lich’s work. A lich encountered in

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

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

;{"diceNotation":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting

reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses, emerging to destroy those who dare to disturb

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

Zox Clammersham

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

allows him to command the scaladar. He has put the constructs to work building a device he calls the Simulacrux. This device will, in theory, create a simulacrum of any scaladar that passes through

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

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

Mabaran Resonator

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

Mabaran Resonator Storm Spire This dread device draws on the power of Mabar, infusing the dead with the malign energy of the Endless Night. While it is active, any humanoid that dies within 2

miles of the resonator reanimates 1 minute later as a zombie (see the Monster Manual for its stat block) under the control of the creature controlling the device. Master’s Call While this looks

Master's Call

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

Master’s Call While this looks like a scrap heap assembled from shattered constructs, this eldritch machine possesses great power. A creature in control of it can sense the presence and location of

all warforged within 10 miles of the device and can, as an action, send a telepathic message to them laced with enchantment magic. Such a message can be sent no more than once every 24 hours. A

Power Word Heal

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

its hit points. If the creature is charmed, frightened, paralyzed, or stunned, the condition ends. If the creature is prone, it can use its reaction to stand up. This spell has no effect on undead or constructs.

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

Diseases

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

with the consequences. A disease that does more than infect a few party members is primarily a plot device. The rules help describe the effects of the disease and how it can be cured, but the

might affect only constructs or undead, or sweep through a halfling neighborhood but leave other races untouched. What matters is the story you want to tell.

Allip

Compendium - Sources->Dungeons & Dragons->Storm Lord’s Wrath

reaction to make a melee weapon attack against one creature of the allip’s choice that the allip can see. Constructs and undead are immune to this effect. Howling Babble (Recharge 6). Each creature

successful save, it takes half as much damage and isn’t stunned. Constructs and undead are immune to this effect.

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

Re-created by the Doctor

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

Re-created by the Doctor If the characters oppose Dr. Mordenheim, they face droves of her bizarre creations. They also risk becoming her newest experimental subjects. Dr. Mordenheim’s experiments

party is actively involved, not merely abducted in their sleep. Consider using any of the following events that might lead to plots involving Dr. Mordenheim. Overwhelmed. Constructs created by Dr

16. Old Dwarven Halls

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

. These scaladar obey the commands of illithids and attack any creatures that aren’t mind flayers or their thralls. Trobriand’s rings no longer have any effect on these constructs. 16b. South Guard

psionic force generator, a magic device that allows the mind flayers to create and sustain the walls of force that enclose area 8. The mind flayers provide the mental energy that powers the generator. If

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

Mechanical Guides

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

, it’s possible that they acquire both mechanical guides. You can decide whether the programming of the two constructs causes them to bicker and one-up each other—or whether each guide attempts to

sabotage and destroy its counterpart. Or you might decide that they develop a mutual respect for each other, perhaps even becoming friends as a result of their shared adventures. If on friendly terms, a

Allip

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

target must succeed on a DC 14 Wisdom saving throw, or it takes 7 (1d8 + 3) psychic damage and must use its reaction to make a melee weapon attack against one creature of the allip’s choice that the

allip can see. Constructs and undead are immune to this effect. Howling Babble (Recharge 6). Each creature within 30 feet of the allip that can hear it must make a DC 14 Wisdom saving throw. On a

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