before being dealing 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

Shadow of Moil

Spells Xanathar's Guide to Everything

Flame-like shadows wreathe your body until the spell ends, causing you to become heavily obscured to others. The shadows turn dim light within 10 feet of you into darkness, and bright light in the

same area to dim light. Until the spell ends, you have resistance to radiant damage. In addition, whenever a creature within 10 feet of you hits you with an attack, the shadows lash out at that creature, dealing it 2d8 necrotic damage.

Rust Monster Legacy

Monsters Basic Rules (2014)

dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the

rust monster is destroyed after dealing damage.Bite. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one target. Hit: 5 (1d8 + 1

Torpor (Ingested) Legacy

Equipment

entire dose of ingested poison to suffer its effects. The dose can be delivered in food or a liquid. You may decide that a partial dose has a reduced effect, such as allowing advantage on the saving throw or dealing only half damage on a failed save.

Midnight Tears (Ingested) Legacy

Equipment

delivered in food or a liquid. You may decide that a partial dose has a reduced effect, such as allowing advantage on the saving throw or dealing only half damage on a failed save.

Truth Serum (Ingested) Legacy

Equipment

reduced effect, such as allowing advantage on the saving throw or dealing only half damage on a failed save.

Reduced-threat Gray Ooze

Monsters Tales from the Yawning Portal

Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing. Corrode Metal. Any nonmagical weapon made of metal that hits the ooze corrodes. After dealing damage, the

weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the ooze is destroyed after dealing

Assassin's Blood (Ingested) Legacy

Equipment

partial dose has a reduced effect, such as allowing advantage on the saving throw or dealing only half damage on a failed save.

Reduced-threat Black Pudding

Monsters Tales from the Yawning Portal

. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that

hits the pudding is destroyed after dealing damage. The pudding can eat through 2-inch-thick, nonmagical wood or metal in 1 round. Spider Climb. The pudding can climb difficult surfaces, including

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.

Tree Blight

Monsters Curse of Strahd

);{"diceNotation":"1d6+6","rollType":"damage","rollAction":"Grasping Root","rollDamageType":"bludgeoning"} bludgeoning damage at the start of each of its turns. The root has AC 15 and can be severed by dealing 6

for sap and is so saturated with blood that it doesn’t catch fire easily. Vicious Carnivore. A tree blight feeds on warm-blooded prey and takes perverse delight in causing carnage. It strikes

Barbatos

Monsters Infernal Machine Rebuild

Rust Monster Cloak. Any nonmagical weapon made of metal that hits Barbatos corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops

to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits Barbatos is destroyed after dealing damage. Heart of the Troll. Barbatos regains 10 hit points at the start of his turn

Ruin Spider

Monsters The Book of Many Things

Ruinous Acid. Any nonmagical weapon that hits the spider corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5

, the weapon is destroyed. Nonmagical ammunition made of metal that hits the spider is destroyed after dealing damage. Spider Climb. The spider can climb difficult surfaces, including upside down on

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

Onyx

Monsters Acquisitions Incorporated

Keen Smell. The cat has advantage on Wisdom (Perception) checks that rely on smell. Relative Size. Any damage Onyx would take is reduced to 0. She has advantage on ability checks and saving throws

. Dealing with Onyx. Onyx cannot be overcome or killed by combat. Any weapon attack against her that hits AC 12 makes contact but deals no lasting damage. However, if the attack would deal 10 or more

Pale Tincture (Ingested) Legacy

Equipment

has a reduced effect, such as allowing advantage on the saving throw or dealing only half damage on a failed save.

Witherbloom Professor of Decay

Monsters Strixhaven: A Curriculum of Chaos

hit points. An affected creature’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the creature finishes a long rest. The creature dies if

its hit point maximum is reduced to 0. Spellcasting. The professor casts one of the following spells, requiring no material components and using Wisdom as the spellcasting ability (spell save DC 15

Vampire Spawn Legacy

Monsters Basic Rules (2014)

., one creature. Hit: 8 (2d4 + 3);{"diceNotation":"2d4+3","rollType":"damage","rollAction":"Claws","rollDamageType":"slashing"} slashing damage. Instead of dealing damage, the vampire can grapple the

","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 regains

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

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

of itself behind. The destruction of a fractine is accompanied by a loud sound reminiscent of shattering glass. A fractine attacks by falling on its targets, dealing damage as it passes through them

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

Yagnoloth

Monsters Mordenkainen Presents: Monsters of the Multiverse

on a DC 16 Constitution saving throw, or its hit point maximum is reduced by an amount equal to half the necrotic damage taken. This reduction lasts until the target finishes a long rest, and the

target dies if its hit point maximum is reduced to 0. Spellcasting. The yagnoloth casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell

War Oil

Equipment

must succeed a DC 10 Dexterity saving throw or gain the Prone condition and have its Speed reduced to 0 until the end of its turn. Additionally, if a creature or area coated with War Oil is exposed to

an open flame or some other source of Fire damage, the oil ignites. The ignited oil burns for two rounds, dealing 2d4 Fire damage to any creature or object who comes in contact with it, and an

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

contained in a cavity in the stump, beneath the rotted floorboards of the hut. The floorboards can be ripped up with a successful DC 14 Strength check or smashed by dealing 10 damage to them. Once the

Returned Kakomantis

Monsters Mythic Odysseys of Theros

’t build meaningful relationships or establish new lives. Instead, most experience fleeting emotions and follow hollow routines, their existences reduced to shadow plays without weight or substance

. Convincing a merchant to buy a Returned mask, or dealing with the ramifications of such a sale, might prove to be an adventure in itself. Returned Nature. The Returned are undead. They need water

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.

Returned Drifter

Monsters Mythic Odysseys of Theros

long-term memories, they generally can’t build meaningful relationships or establish new lives. Instead, most experience fleeting emotions and follow hollow routines, their existences reduced to

effectively another sapient being’s face. Convincing a merchant to buy a Returned mask, or dealing with the ramifications of such a sale, might prove to be an adventure in itself. Returned Nature. The

Returned Sentry

Monsters Mythic Odysseys of Theros

’t build meaningful relationships or establish new lives. Instead, most experience fleeting emotions and follow hollow routines, their existences reduced to shadow plays without weight or substance

. Convincing a merchant to buy a Returned mask, or dealing with the ramifications of such a sale, might prove to be an adventure in itself. Returned Nature. The Returned are undead. They need water

Jammer Leech

Monsters Spelljammer: Adventures in Space

Spelljammer Overload. If the leech is reduced to 0 hit points while attached to a ship that has a spelljamming helm, the creature attuned to that helm must make a DC 13 Constitution saving throw. On

. The leech attaches itself to a ship’s hull in its space, dealing 2 (1d4);{"diceNotation":"1d4","rollType":"damage","rollAction":"Attach to Hull","rollDamageType":"piercing"} piercing damage to

Charmayne Daymore

Monsters Keys from the Golden Vault

damage on a successful one. A Humanoid reduced to 0 hit points by this damage dies and is transformed into a Tiny charcoal figurine. Spellcasting. Charmayne casts one of the following spells, using

reactions per round but only one per turn. Elemental Rebuke. In response to being hit by an attack, Charmayne utters a word in Ignan, dealing 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction

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