before becoming drops constructs reaction

Banshee

Monsters Monster Manual

Detect Life. The banshee magically senses the direction of creatures up to 1 mile away that aren’t Constructs or Undead. Incorporeal Movement. The banshee can move through other creatures and

within 30 feet that can hear the wail and isn’t a Construct or an Undead. Failure: If the target has 25 Hit Points or fewer, it drops to 0 Hit Points. Otherwise, the target takes 10 (3d6

Rope of Entanglement

Magic Items Dungeon Master’s Guide

a Reaction to command the rope to coil up in your hand; otherwise, the rope coils up in the target’s space. The rope has AC 20, HP 20, and Immunity to Poison and Psychic damage. It regains 1

Hit Point every 5 minutes as long as it has at least 1 Hit Point. If the rope drops to 0 Hit Points, it is destroyed.

Find Familiar

Spells Player’s Handbook

touch, your familiar can deliver the touch. Your familiar must be within 100 feet of you, and it must take a Reaction to deliver the touch when you cast the spell. Combat. The familiar is an ally to

drops to 0 Hit Points, it disappears. It reappears after you cast this spell again. As a Magic action, you can temporarily dismiss the familiar to a pocket dimension. Alternatively, you can dismiss it

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

Banshee Legacy

Monsters Basic Rules (2014)

wail has no effect on constructs and undead. All other creatures within 30 feet of her that can hear her must make a DC 13 Constitution saving throw. On a failure, a creature drops to 0 hit points

Detect Life. The banshee can magically sense the presence of creatures up to 5 miles away that aren’t undead or constructs. She knows the general direction they’re in but not their exact

Lonelywood Banshee

Monsters Icewind Dale: Rime of the Frostmaiden

constructs and undead. All other creatures within 30 feet of her that can hear her must make a DC 13 Constitution saving throw. On a failure, a creature drops to 0 hit points. On a success, a creature

Detect Life. The banshee can magically sense the presence of creatures up to 5 miles away that aren't undead or constructs. She knows the general direction they're in but not their exact locations

Constructed Commoner

Monsters Candlekeep Mysteries

Unusual Nature. The commoner doesn’t require air, food, drink, or sleep, and it gains no benefit from finishing a short or long rest. When it drops to 0 hit points, it becomes a lifeless

":"Club","rollDamageType":"bludgeoning"} bludgeoning damage.To populate the demiplane without endangering any innocents, the Harpers created constructs out of wooden mannequins to act as villagers. Magic

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

Sanctum Amulet

Magic Items Bigby Presents: Glory of the Giants

taking damage, you can use your reaction to invoke the item’s rune, causing the pendant to flash with pale light. The creature then instead drops to 1 hit point. Once the rune has been invoked, it can’t be invoked again until the next dawn.

Shemshime

Monsters Candlekeep Mysteries

Crushing End. If damage reduces Shemshime to 0 hit points, Shemshime instead drops to 1 hit point unless the damage is the result of Shemshime being crushed by an object weighing at least 1,000

":"damage","rollAction":"Whispers of Violence","rollDamageType":"psychic"} psychic damage and must use its reaction to make a melee weapon attack against one creature it can reach (Shemshime’s choice

Harshnag the Grim

Monsters Storm King's Thunder

as a torch when the temperature around it drops below 0 degrees Fahrenheit. The light can’t be shut off in these conditions.Multiattack. Harshnag makes two greataxe attacks. Gurt's Greataxe

North well and has no chance of becoming lost in its wilderness. He’s sensitive to the fact that many small folk have a freshly rekindled fear of giants striding into their settlements.Cold

Tiny Servant

spells Xanathar's Guide to Everything

, becoming a creature under your control until the spell ends or the creature drops to 0 hit points. See Tiny Servant for its statistics. As a bonus action, you can mentally command the creature if it

servant does nothing other than defend itself against hostile creatures. Once given an order, the servant continues to follow that order until its task is complete. When the creature drops to 0 hit points

Caradoc

Monsters Dragonlance: Shadow of the Dragon Queen

drops to 0 hit points, Caradoc ends it as a bonus action, or he is turned or forced out by an effect like the dispel evil and good spell. When the possession ends, Caradoc reappears in an unoccupied

himself. The target must succeed on a DC 15 Wisdom saving throw, or the target must immediately use its reaction to make a melee attack against another creature of Caradoc’s choice (wasting its reaction if there are no other creatures within reach).

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

Valindra drops to 30 hit points or fewer, or if dispel magic is cast on her.Valindra can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time

Find Familiar Legacy

Spells Basic Rules (2014)

. When the familiar drops to 0 hit points, it disappears, leaving behind no physical form. It reappears after you cast this spell again. As an action, you can temporarily dismiss the familiar to a pocket

drops to 0 hit points or disappears into the pocket dimension, it leaves behind in its space anything it was wearing or carrying. While your familiar is within 100 feet of you, you can communicate

Ooze Master

Monsters Tales from the Yawning Portal

penalty drops to −5, the weapon is destroyed. Nonmagical ammunition that hits the Ooze Master is destroyed after dealing damage. The Ooze Master can eat through 2-inch-thick, nonmagical wood or metal in

30 feet of it, the Ooze Master can use a reaction to divert the attack if another creature is within the attack's range. The attacker must make a DC 15 Wisdom saving throw. On a failed save, 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

Baba Lysaga's Creeping Hut

Monsters Curse of Strahd

, drink, or sleep. The magic that animates an object is dispelled when the construct drops to 0 hit points. An animated object reduced to 0 hit points becomes inanimate and is too damaged to be of much use

floorboards are out of the way, a creature can reach into the cavity and snatch the gem. But if someone attempts this while the hut is alive, the cavity sprouts wooden teeth, becoming a mouth that bites

Marlos Urnrayle

Monsters Princes of the Apocalypse

Earthen Defeat. When Marlos drops to 0 hit points, his body transforms into mud and collapses into a pool. Anything he is wearing or carrying is left behind. Earth Passage. Marlos can move in

its next turn, becoming petrified on a failure or ending the effect on a success. The petrification lasts until the creature is freed by the greater restoration spell or other magic. Unless surprised

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

Archon of the Triumvirate

Monsters Guildmasters’ Guide to Ravnica

on a DC 18 Wisdom saving throw, or else the target drops any weapons it is holding, ends its concentration on any spells or other effects, and becomes charmed by the archon for 1 minute. The charmed

reaction to make a melee weapon attack. Detention (Costs 3 Actions). The archon targets a creature it can see within 60 feet of it. The target must succeed on a DC 18 Charisma saving throw or be

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

exist. If the demilich drops to 0 hit points, it is destroyed and turns to powder, leaving behind its gems. Crushing a gem releases any soul trapped within, at which point the target’s body re

souls of the insolent intruders to his tomb, magically transferring them to his phylactery. Liches who follow Acererak’s path believe that by becoming free of their bodies, they can continue

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

Acererak

Monsters Tomb of Annihilation

fails a saving throw, he can choose to succeed instead. Rejuvenation. Acererak’s body turns to dust when he drops to 0 hit points, and his equipment is left behind. Acererak gains a new body

after 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all his hit points and becoming active again. The new body appears within 5 feet of Acererak’s

Cradle of the Stone Scion

Monsters Bigby Presents: Glory of the Giants

Awakening of the Scion. The cradle is a container for the scion of Skoraeus. When the cradle drops to 0 hit points, its body crumbles to dust. The scion instantly appears in the space the cradle

, almost becoming one with the earth. While the scion dreams, the mountain’s minerals are transformed into fine carving stones and brilliant gems. If a miner tunnels too close to the heart of the

Tiamat

Monsters Tyranny of Dragons

Discorporation. When Tiamat drops to 0 hit points or dies, her body is destroyed but her essence travels back to her domain in the Nine Hells, and she is unable to take physical form for a time

effects. Magic Weapons. Tiamat’s weapon attacks are magical. Multiple Heads. Tiamat can take one reaction per turn, rather than only one per round. She also has advantage on saving throws

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.

Lady Illmarrow

Monsters Eberron: Rising from the Last War

effects. Rejuvenation. Illmarrow’s body turns to dust when she drops to 0 hit points, and her equipment is left behind. She gains a new body after 1d10;{"diceNotation":"1d10","rollType":"roll

","rollAction":"Rejuvenation"} days, regaining all her hit points and becoming active again. The new body appears within two hundred miles of the location at which she was destroyed. Spellcasting. Illmarrow

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.

Powered Armor

Magic Items Lost Laboratory of Kwalish

creature at any time. Stasis. Whenever a creature wearing the armor drops to 0 hit points, the armor places that creature into a state of stasis. While in this state, the creature is stable and does

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.

Tiny Servant

Compendium - Sources->Dungeons & Dragons->Xanathar's Guide to Everything

and isn’t being carried by another creature. The target animates and sprouts little arms and legs, becoming a creature under your control until the spell ends or the creature drops to 0 hit points. See

, the servant continues to follow that order until its task is complete. When the creature drops to 0 hit points, it reverts to its original form, and any remaining damage carries over to that form. At

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