before becoming diffusing constructs reaction

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.

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

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

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

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

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.

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.

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

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

Allip

Compendium - Sources->Dungeons & Dragons->Monsters of the Multiverse

within 60 feet of it. Each target must succeed on a DC 14 Wisdom saving throw, or it takes 12 (2d8 + 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.

. On a successful save, it takes half as much damage and isn’t stunned. Constructs and Undead are immune to this effect. Whispers of Compulsion. The allip chooses up to three creatures it can see

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

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.

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

28. Hidden Treasure

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

shield, you benefit from the following properties. Winter’s Friend. You are immune to cold damage. Deadly Rebuke. Immediately after a creature hits you with a melee attack, you can use your reaction

, chosen by you at the time of the magic weapon’s creation: aberrations, celestials, constructs, dragons, elementals, fey, fiends, giants, or undead. Statue of Halaster A character who examines the

4. Pretty Big Hate Machine

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

remains of a scaladar and smaller, unidentifiable constructs litter the floor. Shockerstomper. Not visible from the cavern entrance is a Gargantuan contraption made of wood, metal, and stone. It looms

reaction to detach it from its main body. Whenever one of its legs is disabled, Shockerstomper’s walking speed is reduced by 10 feet. The whole contraption topples over and shuts down if four of its seven

50. Mirror of Life Trapping

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

or carrying. Constructs automatically succeed on the saving throw. The mirror currently has three vacant cells. If the mirror traps a creature when its twelve cells are already occupied, it releases

against them. Prisoners of the Mirror Cell Prisoner Notes Reaction if Released 1 A’tan (CN male Chultan human commoner) Omuan merchant trapped shortly after the fall of Omu; driven insane by his

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

Battle Smith

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

being saved by a Battle Smith and a steel defender. In the world of Eberron, Battle Smiths played a key role in House Cannith’s work on battle constructs and the original warforged, and after the Last

count, but it takes its turn immediately after yours. It can move and use its reaction on its own, but the only action it takes on its turn is the Dodge action, unless you take a bonus action on your

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

Battle Smith

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

soldiers tell stories of nearly dying before being saved by a Battle Smith and a steel defender. Battle Smiths played a key role in House Cannith’s work on battle constructs and the original warforged

initiative count, but it takes its turn immediately after yours. It can move and use its reaction on its own, but the only action it takes on its turn is the Dodge action, unless you take a bonus action on

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

Orrery Vault

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

.) Properly engaging the constructs gives the characters a chance to learn about the orrery’s creator and where she can be found. As part of the conversation, the clockwork creatures start off by asking the

clockwork creatures show no reaction to any response.) “Why have you come to Lottie’s vault?” (This can lead the characters to ask about Lottie, who the clockwork creatures know as the wizard who

Giant, Fog

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Fiendish Folio Volume 1

have their 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

., one target. Hit: 30 (4d10 + 8) bludgeoning damage. Petty Tyrant (Recharge 6). The fog giant 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.

Psi Warrior

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

Eberron, many young kalashtar dream of becoming Psi Warriors. As a Psi Warrior, you might have honed your psionic abilities through solo discipline, unlocked it under the tutelage of a master, or

). The powers below use your Psionic Energy dice. Protective Field. When you or another creature you can see within 30 feet of you takes damage, you can use your reaction to expend one Psionic Energy die

Detention Bog Locations

Compendium - Sources->Dungeons & Dragons->Strixhaven: A Curriculum of Chaos

wood. D4. Confused Constructs The ground here is spongy and carpeted in soft green grasses. Heavy footfalls and shrieks of grinding metal emanate from the mists. A muddy steel crate rests amid the

can use their reaction to trick the hydra by making a DC 14 Charisma (Deception) or Dexterity (Sleight of Hand) check. On a success, the hydra attacks an object or another creature within 5 feet of

Appendix 1. Creature Statistics

Compendium - Sources->Dungeons & Dragons->Rrakkma

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

Attack. Up to three allied duergar within 120 feet of this duergar that can hear it can each use their reaction to make one weapon attack. Enlarge (Recharges after a Short or Long Rest). For 1 minute

Black Earth Cultists

Compendium - Sources->Dungeons & Dragons->Princes of the Apocalypse

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. Black Earth Priest The priests of the Black Earth are the

prone, or both, it can use its reaction to be neither moved nor knocked prone. Burrowshark Elite warriors of the earth cult, burrowsharks are fierce champions who ride trained bulettes into battle

Mournland Environment

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

Wisdom (Survival) checks to avoid getting lost in the mists is 15. (See “Becoming Lost” in chapter 5 of the Dungeon Master’s Guide.) Patches of mist and less oppressive fog dot the interior of the

location, and those that spend any significant time near the Glowing Chasm mutate further, becoming more twisted and misshapen than before. Crimson Water. Before the Mourning, a spring in the eastern

Warforged Colossus

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

mountains, in the Mournland, filled with secrets and waiting to be explored. History of the Colossi House Cannith spent much of the war working on various kinds of constructs that could serve as soldiers

. When the original warforged colossus took its first thunderous footsteps, it was met with a reaction of equal parts awe and horror — and it was almost immediately sent north toward Metrol, where

Middle Level (M1-M9)

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

Medium swarm of Tiny constructs Armor Class 12 (natural armor) Hit Points 22 (4d8 + 4) Speed 0 ft., fly 30 ft. (hover) STR 10 (+0) DEX 13 (+1) CON 12 (+1) INT

to a safe place, becoming invisible again if their concentration is broken. Treasure. The two glowing orbs are driftglobes. Cumin and Coriander from area M6 periodically activate the globes to provide light for the plants.

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