before beasts devising causing reduced

Staff of the Python

Magic Items Dungeon Master’s Guide

As a Magic action, you can throw this staff so that it lands in an unoccupied space within 10 feet of you, causing the staff to become a Giant Constrictor Snake in that space. The snake is under your

for 1 hour. If the snake is reduced to 0 Hit Points, it dies and reverts to its staff form; the staff then shatters and is destroyed. If the snake reverts to staff form before losing all its Hit Points, it regains all of them.

Erinyes

Monsters Monster Manual

Entangling Rope action. The rope has AC 20, HP 90, and Immunity to Poison and Psychic damage. The rope turns to dust if reduced to 0 Hit Points, if it is 5+ feet away from the erinyes for 1 hour or more

the target, or the erinyes uses Entangling Rope again.Parry. Trigger: The erinyes is hit by a melee attack roll while holding a weapon. Response: The erinyes adds 4 to its AC against that attack, possibly causing it to miss.Fire, PoisonCold

Mummy Lord

Monsters Monster Manual

maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Rotting Fist"} every 24 hours that elapse. A creature dies and turns to dust if reduced to 0 Hit Points by this attack

Sand. Trigger: The mummy is hit by an attack roll. Response: The mummy adds 2 to its AC against the attack, possibly causing the attack to miss, and the mummy teleports up to 60 feet to an unoccupied

Vampire Infernalist

Monsters Astarion's Book of Hungers

(if any). The target’s Hit Point maximum decreases by an amount equal to the Necrotic damage taken, and the vampire regains Hit Points equal to that amount. A Humanoid reduced to 0 Hit Points by

containing an infernalist’s lair is warped by its presence, creating the following effects, all of which happen at the vampire’s discretion: Diabolic Beasts. Animals in the vampire’s domain

Trostani

Monsters Guildmasters’ Guide to Ravnica

attacks are magical. Speak with Beasts and Plants. Trostani can communicate with beasts and plants as if they shared a language. Tree Stride. Once on her turn, Trostani can use 10 feet of her movement to

). Trostani animates one or two trees she can see within 120 feet of her, causing them to uproot themselves and become awakened tree;awakened trees (see the Monster Manual for their stat blocks) for 1 minute or

Sanctum Amulet

Magic Items Bigby Presents: Glory of the Giants

. Additionally, you can cast the spare the dying cantrip using either an action or a bonus action. Invoking the Rune. When a creature you can see within 60 feet of you is reduced to 0 hit points as a result of

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.

Reduced-threat Displacer Beast

Monsters Tales from the Yawning Portal

half damage if it fails. Displacement. The displacer beast projects a magical illusion that makes it appear to be standing near its actual location, causing attack rolls against it to have disadvantage

. If it is hit by an attack, this trait is disrupted until the end of its next turn. This trait is also disrupted while the displacer beast is incapacitated or has a speed of 0. Reduced Threat. This

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. Gaze. Demogorgon turns his

disadvantage, and all Charisma (Deception) and Charisma (Intimidation) checks have advantage. Frenzied Animals. Beasts within 1 mile of the lair become frenzied and violent—even creatures that are

Deadbark Dryad

Monsters Vecna: Eve of Ruin

spells and other magical effects. Speak with Beasts and Plants. The dryad can communicate with Beasts and Plants as if they shared a language.Multiattack. The dryad makes two Poisonous Thorn attacks and

condition. All vines immediately wither and disappear when the dryad is reduced to 0 hit points. Spellcasting. The dryad casts one of the following spells, requiring no material components and using

Autognome

Monsters Spelljammer: Adventures in Space

Malfunction. Whenever the autognome takes 15 damage or more from a single source and isn’t reduced to 0 hit points by that damage, roll a d20;{"diceNotation":"1d20","rollType":"roll

uses an action to reattach the arm. 15–16: “Who Turned Out the Lights?” The autognome’s head falls off and deactivates, causing the autognome to be blinded and deafened until

Spectral Cloud

Monsters Bigby Presents: Glory of the Giants

, it must succeed on a DC 20 Constitution saving throw, or its hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest

. The target dies if its hit point maximum is reduced to 0. A Humanoid slain by this attack immediately rises as a miniature spectral cloud (use the specter stat block in the Monster Manual). The

Breath Drinker

Monsters The Book of Many Things

Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit

"} necrotic damage, and its Charisma score is reduced by 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Drink Breath"}. This reduction lasts until the target finishes a short or long rest. If this

Yeenoghu Legacy

Monsters Out of the Abyss

atrocities in his name. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with him

, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Regional Effects The region containing Yeenoghu’s lair is warped by his

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

them into flind;flinds. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with

count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Iron Spike

Swarm of Scarabs

Monsters Van Richten’s Guide to Ravenloft

","rollDamageType":"piercing"} piercing damage at the start of each of its turns. Any creature can use an action to kill or remove the scarabs with fire or a weapon that deals piercing damage, causing 1 damage of

the appropriate type to the target. A creature reduced to 0 hit points by the swarm’s piercing damage dies.Base creatures are among the first to respond to sinister forces at work in a land. As

Demogorgon Legacy

Monsters Out of the Abyss

"} bludgeoning damage. If the target is a creature, it must succeed on a DC 23 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts

until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. Gaze. Demogorgon turns his magical gaze toward one creature that he can see within 120 feet of him. That

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

of the following effects: Charnel Realm. The air is filled with the stench of rotting flesh, and buzzing flies grow thick within the region. Undead Beasts. Dead Beasts periodically animate as

(Recharges after a Short or Long Rest). If this creature is reduced to 0 hit points, it immediately makes a DC 10 Constitution saving throw. If it succeeds, it is instead reduced to 1 hit point. Aura

Draconian Mastermind

Monsters Fizban's Treasury of Dragons

Death Throes. When the draconian is reduced to 0 hit points, its magical essence lashes out as a ball of lightning at the closest creature within 30 feet of it before arcing out to up to two other

AC against that attack and potentially causing the attack to miss.The rarest and most powerful of the draconians are the masterminds—spellcasters and strategists who most often serve as military

Murgaxor's Orb

Magic Items Strixhaven: A Curriculum of Chaos

or slap it awake. Visions of Terror. The cursed creature sees terrifying visions, causing it to view all creatures that aren’t also cursed as dangerous monsters for 10 minutes. The cursed

, poison, and psychic damage; and resistance to all other types of damage. If reduced to 0 hit points, the orb shatters.

Shadar-kai Gloom Weaver

Monsters Mordenkainen Presents: Monsters of the Multiverse

Burden of Time. Beasts and Humanoids (except elves) have disadvantage on saving throws while within 10 feet of the shadar-kai. Fey Ancestry. The shadar-kai has advantage on saving throws against

the heart, causing those nearby to feel the approach of death. If detected, gloom weavers use their shadow magic to reduce enemies to ghastly corpses. Shadar-kai In the gloom of the Shadowfell live

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

Actions). Each creature within 30 feet of the demilich must make a DC 16 Constitution saving throw. On a failed save, the creature’s hit point maximum is magically reduced by 10 (3d6);{"diceNotation

":"3d6","rollType":"roll","rollAction":"Energy Drain"}. If a creature’s hit point maximum is reduced to 0 by this effect, the creature dies. A creature’s hit point maximum can be restored

Vampire Warrior Legacy

Monsters Monster Manual (2014)

);{"diceNotation":"3d6","rollType":"damage","rollAction":"Bite","rollDamageType":"necrotic"} necrotic damage. The target's hit point maximum is reduced by an amount equal to the necrotic damage taken

the Night"} rounds, acting as allies of the vampire and obeying its spoken commands. The beasts remain for 1 hour, until the vampire dies, or until the vampire dismisses them as a bonus action.The

Vampire Legacy

Monsters Basic Rules (2014)

point maximum is reduced by an amount equal to the necrotic damage taken, and the vampire regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target

. The beasts remain for 1 hour, until the vampire dies, or until the vampire dismisses them as a bonus action.The vampire can take 3 legendary actions, choosing from the options below. Only one

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

":"3d6","rollType":"damage","rollAction":"Bite","rollDamageType":"necrotic"} necrotic damage. The target's hit point maximum is reduced by an amount equal to the necrotic damage taken, and the vampire

, acting as allies of the vampire and obeying its spoken commands. The beasts remain for 1 hour, until the vampire dies, or until the vampire dismisses them as a bonus action.The vampire can take 3

Warforged Colossus

Monsters Eberron: Rising from the Last War

much damage on a successful one. A creature reduced to 0 hit points by this beam is disintegrated, leaving behind anything it was wearing or carrying.In the final days of the Last War, House Cannith

Mourning. The arcane cataclysm that engulfed Cyre destroyed most of the warforged colossi, causing them to collapse into lifeless heaps. Colossal Survivors. Some warforged colossi survived the Day of

Cradle of the Frost Scion

Monsters Bigby Presents: Glory of the Giants

", "rollType":"damage", "rollAction":"Freezing Breath", "rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, a creature takes half as

attack and damage rolls. Thriving Wildlife. Beasts reproduce rapidly and thrive within 6 miles of the scion. If the scion dies, these effects end immediately. Scions of Giants’ Gods Giants

Fractine

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

causing harm to anyone or anything. A fractine that doesn’t consume light or magical energy for ten days begins to flicker. A day later, it folds in on itself and self-destructs, leaving no trace

, and the fractine can’t be harmed from within the demiplane. The fractine can imprison only one creature at a time and can release that creature as a bonus action. If the fractine is reduced

Strahd von Zarovich

Monsters Curse of Strahd

","rollDamageType":"necrotic"} necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken, and Strahd regains hit points equal to that amount. The

reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. A humanoid slain in this way and then buried in the ground rises the following night as a

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

","rollAction":"Bite","rollDamageType":"necrotic"} necrotic damage. The target's hit point maximum is reduced by an amount equal to the necrotic damage taken, and Zorak regains hit points equal to that

in 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Children of the Night"} rounds, acting as allies of Zorak and obeying his spoken commands. The beasts remain for 1 hour, until Zorak dies

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

, if it is reduced to 0 hit points, each creature within 10 feet of it takes poison damage equal to its number of Hit Dice. Poison; Bludgeoning, Piercing, and Slashing that is NonmagicalCold, Fire

, and it lingers for 1 minute. Humanoids and Beasts in the cloud when it appears, or that enter it later, must make a DC 19 Wisdom saving throw. On a successful save, a creature can’t be infected by

Ending the Encounter

Compendium - Sources->Dungeons & Dragons->Spelljammer Academy

Ending the Encounter The encounter ends when one of the following conditions is met: The enemy ship is reduced to 100 hit points or fewer, causing it to retreat. The enemy ship takes two critical

hits, causing it to retreat. The characters’ ship moves more than 100 feet away from the enemy ship, at which point the enemy ship breaks off its pursuit and flees. The characters’ ship is reduced to 0 hit points. If this occurs, the characters fail the training exercise, and the simulation ends.

Keresta Delvingstone

Monsters Waterdeep: Dungeon of the Mad Mage

","rollType":"damage","rollAction":"Bite","rollDamageType":"necrotic"} necrotic damage. The target's hit point maximum is reduced by an amount equal to the necrotic damage taken, and Keresta regains hit

commands. The beasts remain for 1 hour, until Keresta dies, or until Keresta dismisses them as a bonus action.Keresta can take 3 legendary actions, choosing from the options below. Only one legendary

Soul of Artifice

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

attuned to. If you’re reduced to 0 hit points but not killed outright, you can use your reaction to end one of your artificer infusions, causing you to drop to 1 hit point instead of 0.

Soul of Artifice

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

attuned to. If you’re reduced to 0 hit points but not killed outright, you can use your reaction to end one of your artificer infusions, causing you to drop to 1 hit point instead of 0.

Soul of Artifice

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

item you are currently attuned to. If you’re reduced to 0 hit points but not killed outright, you can use your reaction to end one of your artificer infusions, causing you to drop to 1 hit point instead of 0.

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