become both down continues 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.

Book of Exalted Deeds

Magic Items Dungeon Master’s Guide

that tries to read from the book takes 24d6 Radiant damage. This damage ignores Resistance and Immunity, and it can’t be reduced or avoided by any means. A creature reduced to 0 Hit Points by

benefits granted by the book. Celestial Calm. While attuned to the book, you have Immunity to the Charmed and Frightened conditions and Resistance to Psychic damage. These benefits become permanent

Vampire

Monsters Monster Manual

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

equal to that amount. A Humanoid reduced to 0 Hit Points by this damage and then buried rises the following sunset as a Vampire Spawn under the vampire’s control.Legendary Action Uses: 3 (4 in Lair

Eye and Hand of Vecna

Magic Items Dungeon Master’s Guide

your body, devours it, and then takes control of the body like a puppet. If that happens, you become an NPC under the DM’s control. Eye of Vecna Spells Spell Charge Cost

damage on a failed save or half as much damage on a successful one. A creature reduced to 0 Hit Points by this damage is transformed into green slime (see chapter 3) that covers the ground in its

Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

Fiend that you can see that is trapped within the area of a Magic Circle spell. The Fiend must succeed on a DC 20 Charisma saving throw with Disadvantage or become trapped within one of the Demonomicon

lies a long-lost Artifact, Fraz-Urb’luu’s Staff. If the staff is dragged from the pocket plane, the tome is reduced to a mundane and out-of-date copy of the Tome of Zyx, the work that

Sammaster (Dracolich Form)

Monsters Forgotten Realms: Adventures in Faerûn

for his demise. He drew on the warped resurrection of dracoliches to become a lich himself. He continues to lead the Cult of the Dragon from the shadows, developing new ways to control and corrupt

until he is reduced to 0 Hit Points. If Sammaster is reduced to 0 Hit Points, his dracolich form dissolves to dust. After 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Soul Gem"} days

Sammaster (Lich Form)

Monsters Forgotten Realms: Adventures in Faerûn

. He drew on the warped resurrection of dracoliches to become a lich himself. He continues to lead the Cult of the Dragon from the shadows, developing new ways to control and corrupt dragonkind

Resistance. Sammaster has Advantage on saving throws against spells and other magical effects. Soul Gem. If Sammaster is reduced to 0 Hit Points while his magical soul gem exists, his lich form dissolves

Crown of Horns

Magic Items Forgotten Realms: Adventures in Faerûn

dying essence. Myrkul has since returned to become one of the Dead Three, and the Crown of Horns continues to further his gruesome will by seeking out mortal agents and gradually transforming them into

transformation is complete, you become a Lich under the DM's control. Each time you use this Artifact's Cone of Undeath or Myrkul's Hand benefit, there is a 10 percent cumulative chance that you

Vampire Infernalist

Monsters Astarion's Book of Hungers

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

(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

Clay Golem Legacy

Monsters Basic Rules (2014)

continues to do so until it is destroyed or regains all its hit points. Immutable Form. The golem is immune to any spell or effect that would alter its form. Magic Resistance. The golem has advantage on

":"bludgeoning"} bludgeoning damage. If the target is a creature, it must succeed on a DC 15 Constitution saving throw or have its hit point maximum reduced by an amount equal to the damage taken. The target

Torpor (Ingested) Legacy

Equipment

A creature subjected to this poison must succeed on a DC 15 Constitution saving throw or become poisoned for 4d6 hours. The poisoned creature is incapacitated. Ingested. A creature must swallow an

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.

Reduced-threat Clay Golem

Monsters Tales from the Yawning Portal

continues to do so until it is destroyed or regains all its hit points. Immutable Form. The golem is immune to any spell or effect that would alter its form. Magic Resistance. The golem has advantage on

saving throws against spells and other magical effects. Magic Weapons. The golem's weapon attacks are magical. Reduced Threat. This creature has -2 penalty on all ability checks and saving

Truth Serum (Ingested) Legacy

Equipment

A creature subjected to this poison must succeed on a DC 11 Constitution saving throw or become poisoned for 1 hour. The poisoned creature can't knowingly speak a lie, as if under the effect of a

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

Loadstone

Magic Items Tales from the Yawning Portal

. If you use the Dash or Disengage action while the stone is on your person, its curse activates. Until the curse is broken with remove curse or similar magic, your speed is reduced by 5 feet, and your maximum load and maximum lift capacities are halved. You also become unwilling to part with the stone.

King Jhaeros

Monsters Keys from the Golden Vault

is near enough to move to and attack, Jhaeros attacks an object, with preference for an object smaller than himself. Once Jhaeros goes berserk, he continues to do so until he is destroyed or regains

Constitution saving throw or have its hit point maximum reduced by an amount equal to the damage taken. The target dies if this attack reduces its hit point maximum to 0. The reduction lasts until removed by the

Reduced-threat Flesh Golem

Monsters Tales from the Yawning Portal

. Once the golem goes berserk, it continues to do so until it is destroyed or regains all its hit points. The golem's creator, if within 60 feet of the berserk golem, can try to calm it by speaking

. The golem's weapon attacks are magical. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Multiattack. The golem makes two slam attacks. Slam. Melee Weapon Attack

Ironscale Hydra

Monsters Mythic Odysseys of Theros

hibernation during which it continues to grow. When it awakens, it goes on a feeding rampage, so beginning the cycle once again. These rhythms of destruction sometimes become so ingrained in the minds and

Bulezau Legacy

Monsters Mordenkainen’s Tome of Foes

become poisoned until the disease ends. While poisoned in this way, the target sports festering boils, coughs up flies, and sheds rotting skin, and the target must repeat the saving throw after every 24

hours that elapse. On a successful save, the disease ends. On a failed save, the target's hit point maximum is reduced by 4 (1d8);{"diceNotation":"1d8","rollType":"roll","rollAction":"Barbed Tail"}. The target dies if its hit point maximum is reduced to 0.PoisonCold, Fire, Lightning

Pale Tincture (Ingested) Legacy

Equipment

A creature subjected to this poison must succeed on a DC 16 Constitution saving throw or take 3 (1d6) poison damage and become poisoned. The poisoned creature must repeat the saving throw every 24

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

Living Demiplane

Monsters Icewind Dale: Rime of the Frostmaiden

and psychic damage, and immunity to bludgeoning, piercing, and slashing damage that is nonmagical. If any section is reduced to 0 hit points, the living spell and its chamber are destroyed (see

-foot-square section of its extradimensional chamber is reduced to 0 hit points, or when the living spell has no surface to attach to. When the living spell is destroyed, the contents of its

Nightwalker Legacy

Monsters Mordenkainen’s Tome of Foes

to this aura. Life Eater. A creature reduced to 0 hit points from damage dealt by the nightwalker dies and can't be revived by any means short of a wish spell.Multiattack. The nightwalker uses

on a DC 21 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. Finger of Doom

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

Presence. Each creature of the dragon's choice that is within 120 feet of the dragon and aware of it must succeed on a DC 19 Wisdom saving throw or become frightened for 1 minute. A creature can repeat

continues down its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic

Dullahan

Monsters Van Richten’s Guide to Ravenloft

Headless Summoning (Recharges after a Short or Long Rest). If the dullahan is reduced to 0 hit points, it doesn’t die or fall unconscious. Instead, it regains 97 hit points. In addition, it

become frightened of the dullahan until the end of its next turn. Head Hunt (Costs 3 Actions). The dullahan moves up to its speed without provoking opportunity attacks and makes one Battleaxe attack

Rutterkin Legacy

Monsters Mordenkainen’s Tome of Foes

":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage. If the target is a creature, it must succeed on a DC 13 Constitution saving throw against disease or become poisoned. At the end

of each long rest, the poisoned target can repeat the saving throw, ending the effect on itself on a success. If the target is reduced to 0 hit points while poisoned in this way, it dies and instantly

Spirit Statue Mascot

Monsters Strixhaven: A Curriculum of Chaos

Death Burst. When the spirit statue is reduced to 0 hit points, the statue crumbles, and the spirit returns to the afterlife in a burst of ghostly white flame. Each creature within 5 feet of it must

tacticians. Regardless, their appearance is so common around the Lorehold campus that they have become the college’s mascots.

Bulezau

Monsters Mordenkainen Presents: Monsters of the Multiverse

is a creature, it must succeed on a DC 13 Constitution saving throw against disease or become poisoned until the disease ends. While poisoned in this way, the target sports festering boils, coughs up

maximum is reduced by 4 (1d8);{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Barbed Tail"} until the disease ends on the target. The target dies if its hit point maximum is reduced to 0.Diseased

Animate Objects Legacy

Spells Basic Rules (2014)

, Huge targets count as eight objects. You can't animate any object larger than Huge. Each target animates and becomes a creature under your control until the spell ends or until reduced to 0 hit points

particular chamber or corridor. If you issue no commands, the creature only defends itself against hostile creatures. Once given an order, the creature continues to follow it until its task is complete

Reduced-threat Wight

Monsters Tales from the Yawning Portal

Sunlight Sensitivity. While in sunlight, the wight has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight. Reduced Threat. This creature has -2 penalty on all

","rollDamageType":"necrotic"} necrotic damage. The target must succeed on a DC 11 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts

Rutterkin

Monsters Mordenkainen Presents: Monsters of the Multiverse

disease or become poisoned. At the end of each long rest, the poisoned target can repeat the saving throw, ending the effect on itself on a success. If the target is reduced to 0 hit points while

influence of the Abyss. Victims afflicted with the disease experience tremendous pain as their bodies become disfigured, flesh twisting around the bones, until they transform to join the mass of

Yagnoloth Legacy

Monsters Mordenkainen’s Tome of Foes

target is a creature, it must succeed on a DC 16 Constitution saving throw or become stunned until the end of the yagnoloth's next turn. Life Leech. The yagnoloth touches one incapacitated creature

points equal to half the damage dealt. The target must succeed on a DC 16 Constitution saving throw, or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts

Martial Arts Adept

Monsters Mordenkainen Presents: Monsters of the Multiverse

by a ranged weapon attack, the adept deflects the missile. The damage it takes from the attack is reduced by 1d10 + 3;{"diceNotation":"1d10+3","rollType":"roll","rollAction":"Deflect Missile"}. If the

damage is reduced to 0, the adept catches the missile if it’s small enough to hold in one hand and the adept has a hand free.Martial arts adepts are disciplined monks with extensive training in

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

Presence. Each creature of the dragon's choice that is within 120 feet of the dragon and aware of it must succeed on a DC 16 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the

treacherous of true dragons, green dragons use misdirection and trickery to get the upper hand against their enemies. A green dragon is recognized by the crest that begins near its eyes and continues down

Otyugh Mutate

Monsters Phandelver and Below: The Shattered Obelisk

":"roll", "rollAction":"Bite"} on a failure. On a successful save, the target is no longer poisoned. The target dies if its hit point maximum is reduced to 0. This reduction to the target’s hit

metamorphosis as the powers of the Far Realm rewrite the fundamentals of the creature’s existence. Any creature can become a mutate and transform to exhibit physical characteristics associated

Reduced-threat Otyugh

Monsters Tales from the Yawning Portal

receiving creature to telepathically respond. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Multiattack. The otyugh makes three attacks: one with its bite and two with

":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage. If the target is a creature, it must succeed on a DC 13 Constitution saving throw against disease or become poisoned until the

Nightwalker

Monsters Mordenkainen Presents: Monsters of the Multiverse

","rollAction":"Annihilating Aura","rollDamageType":"necrotic"} necrotic damage. Undead are immune to this aura. Life Eater. A creature dies if reduced to 0 hit points by the nightwalker and can’t

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

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