both before disease cube reduced

Elemental Cataclysm

Monsters Monster Manual

damage, and the target has the Prone condition. Success: Half damage only. Failure or Success: The target’s Speed is reduced to 0 until the end of its next turn.3: Raging Storm. A storm cloud

", "rollType":"damage", "rollAction":"Raging Storm", "rollDamageType":"Thunder"} Thunder damage. Success: Half damage.4: Swallowing Earth. Strength Saving Throw: DC 23, each creature in a 90-foot Cube

Incarnation of Transience

Monsters Lorwyn: First Light

", "rollType":"damage", "rollAction":"Miasmic Globule", "rollDamageType":"Acid"} Acid damage, and the target’s Speed is reduced by 10 feet until the end of the incarnation’s next turn. Spectral

, transience incarnations embody the changing of seasons and the flowing of rivers. In Shadowmoor, these incarnations embody disease passing through its hosts, or the susurration of fallen leaves blowing

Harm Legacy

Spells Basic Rules (2014)

You unleash a virulent disease on a creature that you can see within range. The target must make a Constitution saving throw. On a failed save, it takes 14d6 necrotic damage, or half as much damage

on a successful save. The damage can't reduce the target's hit points below 1. If the target fails the saving throw, its hit point maximum is reduced for 1 hour by an amount equal to the necrotic

Bulezau Legacy

Monsters Mordenkainen’s Tome of Foes

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

+2","rollType":"damage","rollAction":"Barbed Tail","rollDamageType":"piercing"} piercing damage. If the target is a creature, it must succeed on a DC 13 Constitution saving throw against disease or

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

Blue Slaad Legacy

Monsters Monster Manual (2014)

its hit point maximum is reduced by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Claw"} every 24 hours. If the disease reduces the target’s hit point maximum to 0, the target

damage. If the target is a humanoid, it must succeed on a DC 15 Constitution saving throw or be infected with a disease called chaos phage. While infected, the target can’t regain hit points, and

Bulezau

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

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

Tlacatecolo

Monsters Journeys through the Radiant Citadel

transforms into a Medium owl, while retaining its game statistics (other than its size). This transformation ends if the tlacatecolo is reduced to 0 hit points or if it uses its action to end it. Plague

Winds (Fiend Form Only; Recharge 5–6;{"diceNotation":"1d6","rollType":"recharge","rollAction":"Plague Winds"}). The tlacatecolo emits a chilling, disease-ridden wind in a 60-foot line that is 10 feet

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

wave of fear in advance of their attacks that leaves their victims terrified and rooted in place. Creatures bitten by rutterkins are exposed to a terrible disease that infects them with the corrupting

Rust Monster Legacy

Monsters Basic Rules (2014)

of it. If the object isn't being worn or carried, the touch destroys a 1-foot cube of it. If the object is being worn or carried by a creature, the creature can make a DC 11 Dexterity saving throw to

reduced to an AC of 10 or a shield that drops to a +0 bonus is destroyed. If the object touched is a held metal weapon, it rusts as described in the Rust Metal trait.

Venom Troll

Monsters Mordenkainen Presents: Monsters of the Multiverse

15-foot cube. The troll takes 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Venom Spray", "rollDamageType":"slashing"} slashing damage, which can’t be reduced in any way. Each

;rot trolls, spirit troll;spirit trolls, and venom trolls that follow are especially likely to arise when trolls regenerate in the presence of magical emanations, planar energy, disease, or death on a

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

":"damage","rollAction":"Claw","rollDamageType":"slashing"} slashing damage. If the target is a humanoid, it must succeed on a DC 15 Constitution saving throw or be infected with a disease called chaos

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

Dracophage Subject

Monsters Dragonlance: Shadow of the Dragon Queen

Death Throes. When the draconian is reduced to 0 hit points, it dissolves into acid that splashes on those around it. Each creature within 5 feet of the draconian must succeed on a DC 12 Dexterity

throw or be infected with a disease—a minuscule slaad egg. A Humanoid host can carry only one slaad egg at a time. Over three months, the egg moves to the chest cavity, gestates, and forms a

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

can see the creature. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Multiattack. The aboleth makes three tentacle attacks. Tentacle. Melee Weapon Attack: +7

","rollDamageType":"bludgeoning"} bludgeoning damage. If the target is a creature, it must succeed on a DC 12 Constitution saving throw or become diseased. The disease has no effect for 1 minute and can be removed

Oinoloth

Monsters Mordenkainen Presents: Monsters of the Multiverse

addition, the oinoloth can end one disease on the target or remove one of the following conditions from it: blinded, deafened, paralyzed, or poisoned. The target then gains 1 level of exhaustion, and

its hit point maximum is reduced by 7 (2d6);{"diceNotation":"2d6", "rollType":"roll", "rollAction":"Corrupted Healing"}. This reduction can be removed only by a wish spell or by casting greater

Disintegrate Legacy

Spells Basic Rules (2014)

hit points. A disintegrated creature and everything it is wearing and carrying, except magic items, are reduced to a pile of fine gray dust. The creature can be restored to life only by means of a

of force, this spell disintegrates a 10-foot- cube portion of it. A magic item is unaffected by this spell. At Higher Levels. When you cast this spell using a spell slot of 7th level or higher, the damage increases by 3d6 for each slot level above 6th.

House of Cards

Magic Items The Book of Many Things

and transform into a shelter made of cards. The shelter can be shaped however you desire, but it must fit in a 40-foot cube centered on a point within 30 feet of you. The shelter has one door and up

psychic damage. The shelter lasts for 24 hours, until you dismiss it as an action, or until it is reduced to 0 hit points. When the shelter’s duration ends, it transforms back into a deck of cards

Oinoloth Legacy

Monsters Mordenkainen’s Tome of Foes

hit points. After every 24 hours that elapse, the poisoned creature can repeat the saving throw. On a failed save, the creature's hit point maximum is reduced by 5 (1d10);{"diceNotation":"1d10

","rollType":"roll"}. This reduction lasts until the poison ends, and the target dies if its hit point maximum is reduced to 0. The poison ends after the creature successfully saves against it three times

Venom Troll Legacy

Monsters Mordenkainen’s Tome of Foes

"}. The troll slices itself with a claw, releasing a spray of poison in a 15-foot cube. The troll takes 7 (2d6);{"diceNotation":"2d6","rollType":"damage","rollAction":"Venom Spray","rollDamageType

":"slashing"} slashing damage (this damage can't be reduced in any way). Each creature in the area must make a DC 16 Constitution saving throw. On a failed save, a creature takes 18 (4d8);{"diceNotation":"4d8

Barbatos

Monsters Infernal Machine Rebuild

carried, the touch destroys a 1-foot cube of it. If the object is being worn or carried by a creature, the creature can make a DC 12 Dexterity saving throw to avoid Barbatos's touch. If the object

touched is either metal armor or a metal shield being worn or carried, it takes a permanent and cumulative 1 penalty to the AC it offers. Armor reduced to an AC of 10 or a shield that drops to a +0 bonus

Soul Monger Legacy

Monsters Mordenkainen’s Tome of Foes

advantage on attack rolls. Weight of Ages. Any beast or humanoid, other than a shadar-kai, that starts its turn within 5 feet of the soul monger has its speed reduced by 20 feet until the start of that

monger's next turn. Wave of Weariness (Recharge 4-6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Wave of Weariness"}. The soul monger emits weariness in a 60-foot cube. Each creature in

Hook of Fisher's Delight

Magic Items Icewind Dale: Rime of the Frostmaiden

-foot cube. At the end of each uninterrupted hour of immersion, roll a d6. On a 6, a floppy, 6-inch-long magical fish appears on the end of the hook. The color and properties of the conjured fish are

wings, follows you around, and sings a beautiful tune in Aquan. It disappears after 2d4 hours or when reduced to 0 hit points. The fish uses the quipper stat block, except that it can breathe air and has

Vegepygmy

Monsters Mordenkainen Presents: Monsters of the Multiverse

poison or cures disease kills the infestation. A creature reduced to 0 hit points by the mold dies. If the dead creature is a Beast, a Giant, or a Humanoid, one or more vegepygmies emerge from its body 24

alcohol, or magic that cures disease kills russet mold in a square area that is 10 feet on a side. Sunlight kills any russet mold in the light’s area.Lightning, Piercing

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

infected with a disease called the spores of Zuggtmoy, which lasts until the creature is cured of the disease or dies. While infected in this way, the creature can’t be reinfected, and it must

Thorny Vegepygmy

Monsters Mordenkainen Presents: Monsters of the Multiverse

start of each of its turns. The creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Any magic that neutralizes poison or cures disease kills

the infestation. A creature reduced to 0 hit points by the mold dies. If the dead creature is a Beast, a Giant, or a Humanoid, one or more vegepygmies emerge from its body 24 hours later: one from a

Vegepygmy Chief

Monsters Mordenkainen Presents: Monsters of the Multiverse

the end of each of its turns, ending the effect on itself on a success. Any magic that neutralizes poison or cures disease kills the infestation. A creature reduced to 0 hit points by the mold dies

, or radiant damage kill 1 square foot of russet mold per 1 damage dealt. A pound of salt, a gallon of alcohol, or magic that cures disease kills russet mold in a square area that is 10 feet on a side. Sunlight kills any russet mold in the light’s area.Lightning, Piercing

Carrion Stalker

Monsters Van Richten’s Guide to Ravenloft

infest its body. The creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Any effect that cures disease or removes the poisoned condition

instantly kills the larvae in the creature, ending the effect on it. If a creature is reduced to 0 hit points by the infestation, it dies. The larvae remain in the corpse, and one survives to become a fully

Catoblepas

Monsters Mordenkainen Presents: Monsters of the Multiverse

necrotic damage. The target dies if reduced to 0 hit points by this ray.The catoblepas is as loathsome as the vile swamplands in which it lives, a conglomeration of bloated buffalo, dinosaur, warthog

disease and decay brings out similar characteristics in the creature’s swampy habitat. Such a wetland becomes gloomy, tangled, and more fetid than it was before. Beneficial qualities of the

Maegera the Dawn Titan

Monsters Storm King's Thunder

the end of Maegera’s next turn. Smoke Cloud (Costs 2 Actions). Maegera exhales a billowing cloud of hot smoke and embers that fills a 60-foot cube. Each creature in that area takes 11 (2d10

cloud are blinded and can’t be seen. Create Fire Elemental (Costs 3 Actions). Maegera’s hit points are reduced by 50 as part of it separates and becomes a fire elemental with 102 hit

Y'demi

Monsters Strixhaven: A Curriculum of Chaos

dies if reduced to 0 hit points by this necrotic damage.The Oriq are a secret society of mages who wield forbidden magic in the service of their leader, Extus Narr. Narr was in consideration for

blood mages almost impossible to ambush.NecroticSanguine Tentacles (1/Day). The blood in the copper basin disappears as tentacles of congealed blood fill a 10-foot cube centered at a point on the ground

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

long rest. The target’s hit point maximum is reduced by an amount equal to half the poison damage taken. This reduction lasts until the poisoned condition is removed. The target dies if its hit

point maximum is reduced to 0. Spellcasting. Geryon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 21): At will

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

become poisoned until it finishes a short or long rest. The target's hit point maximum is reduced by an amount equal to half the poison damage it takes. If its hit point maximum drops to 0, it dies

from the ground at a point he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving

Shadar-kai Soul Monger

Monsters Mordenkainen Presents: Monsters of the Multiverse

speed reduced by 20 feet until the start of that creature’s next turn.Multiattack. The shadar-kai makes two Shadow Dagger attacks. Shadow Dagger. Melee or Ranged Weapon Attack: +7

, finger of death, gaseous form, seeming Wave of Weariness (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Wave of Weariness"}. The shadar-kai emits weariness in a 60-foot cube

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

long rest. The target’s hit point maximum is reduced by an amount equal to half the poison damage taken. This reduction lasts until the poisoned condition is removed. The target dies if its hit

point maximum is reduced to 0. Spellcasting. Geryon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 21): At will

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