become border diffusing comes 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.

Sphere of Annihilation

Magic Items Dungeon Master’s Guide

succeed on a DC 19 Dexterity saving throw or be touched by it, taking 8d10 Force damage. A creature reduced to 0 Hit Points by this damage is obliterated, leaving its possessions behind but no other

physical remains. Sphere Interactions. If the sphere comes into contact with a planar portal (such as that created by the Gate spell) or an extradimensional space (such as that within a Portable Hole

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

Deck of Many Things

Magic Items Dungeon Master’s Guide

Jester, the card reappears in the deck, making it possible to draw the same card twice. (Once the Fool or Jester has left the deck, reroll on the table if that card comes up again.) Deck of Many Things

and become entombed in a state of suspended animation in an extradimensional sphere. Everything you’re wearing and carrying disappears with you except for Artifacts, which stay behind in the space

Sammaster (Dracolich Form)

Monsters Forgotten Realms: Adventures in Faerûn

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

Immunity to Acid, Necrotic, Poison, and Psychic damage. The gem regains all its Hit Points at the end of every turn, but it turns to dust if reduced to 0 Hit Points.Multiattack. Sammaster makes three Rend

Sammaster (Lich Form)

Monsters Forgotten Realms: Adventures in Faerûn

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

Tiny object that has AC 20; HP 50; and Immunity to Acid, Necrotic, Poison, and Psychic damage. The gem regains all its Hit Points at the end of every turn, but it turns to dust if reduced to 0 Hit Points

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

Corrupted Slime

Equipment

Combat Utility Whimsy 16 14 13 Slime that has become affected by the Corruption becomes opaque and inky, staining things it comes in contact with. Corrupted slime retains

its viscosity but it’s quite sticky. By all accounts, being near Corrupted slime is uniquely unpleasant and those who touch it have been known to become lethargic and listless. Corrupted slime can be cultivated from slime monsters that have themselves been corrupted.

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.

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

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.

Irda Seeker

Monsters Monstrous Compendium Vol. 2: Dragonlance Creatures

. If the seeker lacks the room to become Large, it attains the maximum size possible in the space available. Change Shape (1/Day). The seeker magically transforms to look and feel like a Medium

reduced to 0 hit points or if the seeker uses an action to end the transformation.Irda seekers are skilled spies who use their magic to disguise themselves and gather intelligence for their allies. In

Transcendent Order Conduit

Monsters Planescape: Adventures in the Multiverse

reactions per round but only one per turn. Deflect Attack. In response to being hit by an attack roll, the conduit partially deflects the blow. The damage the conduit takes from the attack is reduced by 1d10

Transcendent Order train to act without thinking, eliminating thought behind action. Conduits react with the cadence of the multiverse. Their sharp reflexes border on precognition, allowing them to unconsciously act before their foes.

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.

Grung Legacy

Monsters Volo's Guide to Monsters

Amphibious. The grung can breathe air and water. Poisonous Skin. Any creature that grapples the grung or otherwise comes into direct contact with the grung’s skin must succeed on a DC 12

Constitution saving throw or become poisoned for 1 minute. A poisoned creature no longer in direct contact with the grung can repeat the saving throw at the end of each of its turns, ending the effect on

Hybrid Poisoner

Monsters Guildmasters’ Guide to Ravnica

);{"diceNotation":"2d6","rollType":"damage","rollAction":"Toxic Touch","rollDamageType":"bludgeoning"} bludgeoning damage, and the target must succeed on a DC 12 Constitution saving throw or become

interguild conflict looms. Believing that the Simic must be prepared to fight for their lives when that conflict comes to a head, biomancers have created soldiers to help defend the guild. These hybrids (also

Antipathy/Sympathy Legacy

Spells Basic Rules (2014)

the target or comes within 60 feet of it, the creature must succeed on a Wisdom saving throw or become frightened. The creature remains frightened while it can see the target or is within 60 feet of it

specified creatures to feel an intense urge to approach the target while within 60 feet of it or able to see it. When such a creature can see the target or comes within 60 feet of it, the creature must

Grung Elite Warrior Legacy

Monsters Volo's Guide to Monsters

Amphibious. The grung can breathe air and water. Poisonous Skin. Any creature that grapples the grung or otherwise comes into direct contact with the grung’s skin must succeed on a DC 12

Constitution saving throw or become poisoned for 1 minute. A poisoned creature no longer in direct contact with the grung can repeat the saving throw at the end of each of its turns, ending the effect on

Rime Hulk

Monsters Bigby Presents: Glory of the Giants

save, the creature takes 22 (4d10);{"diceNotation":"4d10", "rollType":"damage", "rollAction":"Trail of Frost", "rollDamageType":"cold"} cold damage, and its speed is reduced by 10 feet until the start

who withdrew from the world and succumbed to their elemental nature. Most rime hulks dwell in the Frostfell, the “plane of ice” that forms the border between the Elemental Planes of Air and

Oblex Spawn

Monsters Mordenkainen Presents: Monsters of the Multiverse

personality it has absorbed or else become uncontrolled and erratic. This act spawns a new oblex. Newly formed oblexes lack the capabilities of their older kin. They seek only to feed on memories and

oblexes hunt targets more likely to be intelligent, such as wizards and other spellcasters. When suitable fare comes within reach, an oblex draws its body up to engulf its victim. As it withdraws, it

Horrid Plant

Monsters Quests from the Infinite Staircase

Horrid Plant Varieties. A horrid plant comes in one of three varieties (choose or roll a d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Horrid Plant Varieties"}): 1–2, dew drinker

);{"diceNotation":"8d6", "rollType":"damage", "rollAction":"Sap Squirt", "rollDamageType":"acid"} acid damage and become covered in acidic sap. This sap lasts for 1 minute or until a creature uses its

Grung Wildling Legacy

Monsters Volo's Guide to Monsters

Amphibious. The grung can breathe air and water. Poisonous Skin. Any creature that grapples the grung or otherwise comes into direct contact with the grung’s skin must succeed on a DC 12

Constitution saving throw or become poisoned for 1 minute. A poisoned creature no longer in direct contact with the grung can repeat the saving throw at the end of each of its turns, ending the effect on

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.

The Gardener

Monsters Quests from the Infinite Staircase

condition (escape DC 17). The vine vanishes when the target is no longer grappled, or when the Gardener wills it to (no action required). A creature reduced to 0 hit points by the vine has the

carrying, to an unoccupied space they can see within 15 feet. A creature reduced to 0 hit points by the psychic damage has the unconscious condition and is stable instead of dying. Spell Refuge. When

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

Leedara

Monsters Dragonlance: Shadow of the Dragon Queen

the Material Plane while she is in the Border Ethereal, and vice versa, yet she can’t affect or be affected by anything on the other plane. Horrifying Visage. Each non-undead creature within 60

transformation ends if Leedara is reduced to 0 hit points or uses an action to end it.Leedara died during the Cataclysm over three hundred years ago. Once an elven priest, Leedara witnessed her companion and

Titivilus

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollDamageType":"necrotic"} necrotic damage. If the target is a creature, its hit point maximum is reduced by an amount equal to half the necrotic damage taken. Frightful Word. Titivilus targets one

creature he can see within 10 feet of him. The target must succeed on a DC 21 Wisdom saving throw or become frightened of him for 1 minute. While frightened in this way, the target must take the Dash

Phantom Warrior

Monsters Curse of Strahd

visible on the Material Plane while it is in the Border Ethereal, and vice versa, yet it can't affect or be affected by anything on the other plane.A phantom warrior is the spectral remnant of a willful

energy surrounds a phantom warrior's ghostly armor, shields, and weapons, which become as hard as steel yet don't impede the warrior's ability to move through walls and other solid objects. Undead

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

Blue Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

phage. While infected, the target can't regain hit points, and its hit point maximum is reduced by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Claw"} every 24 hours. If the disease

ever comes into contact with the Spawning Stone. Slaadi on Limbo are attracted to the Spawning Stone, so most end up with a gem. A slaad with a control gem in its brain has the following additional

Deathlock Mastermind

Monsters Mordenkainen Presents: Monsters of the Multiverse

become restrained as shadowy tendrils wrap around it for 1 minute. A restrained target can use its action to repeat the saving throw, ending the effect on itself on a success. Spellcasting. The

door, dispel magic, fly, invisibilityThough deathlocks exist to serve their patrons, they retain some freedom when it comes to devising tactics and carrying out plans. Powerful deathlocks recruit

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