both before disease cold removed

Gray Ooze

Monsters Monster Manual

":"Acid"} Acid damage. Nonmagical armor worn by the target takes a −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10. The penalty can be removed by casting the Mending spell on the armor.Acid, Cold, Fire

the penalty reaches −5. The penalty can be removed by casting the Mending spell on the weapon. The ooze can eat through 2-inch-thick, nonmagical metal or wood in 1 round.Pseudopod. Melee Attack

Black Pudding

Monsters Monster Manual

penalty reaches −5. The penalty can be removed by casting the Mending spell on the weapon. In 1 minute, the pudding can eat through 2 feet of nonmagical wood or metal. Spider Climb. The pudding

by the target takes a −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10. The penalty can be removed by casting the Mending spell on the armor.Split

Eye and Hand of Vecna

Magic Items Dungeon Master’s Guide

to your head and remains there until you die. If the eye is ever removed, you die. Properties of the Eye. While you are attuned to the eye, your alignment is Neutral Evil, and you gain the following

. The hand grafts itself to your arm and becomes a functioning appendage. If the hand is ever removed, you die. Properties of the Hand. When you are attuned to the hand, your alignment is Neutral Evil

Gas Spore Legacy

Monsters Monster Manual (2014)

infected creature's system, killing the creature in a number of hours equal to 1d12;{"diceNotation":"1d12","rollType":"roll"} + the creature's Constitution score, unless the disease is removed. In half that

","rollType":"damage","rollDamageType":"poison"} poison damage and become infected with a disease on a failed save. Creatures immune to the poisoned condition are immune to this disease. Spores invade an

Swarm of Maggots

Monsters Van Richten’s Guide to Ravenloft

can’t be removed until the disease ends. The creature dies if its hit point maximum drops to 0. 5–6. The creature has disadvantage on ability checks and attack rolls until it finishes its

next long rest. The disease lasts until it’s removed by magic or until the creature rolls the same random effect for the disease two long rests in a row.Base creatures are among the first to

Tlacatecolo

Monsters Journeys through the Radiant Citadel

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

wide. Each creature in that area must succeed on a DC 13 Constitution saving throw or take 26 (4d12);{"diceNotation":"4d12","rollType":"damage","rollAction":"Plague Winds","rollDamageType":"cold"} cold

Blue Slaad Legacy

Monsters Monster Manual (2014)

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

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

Red Slaad Legacy

Monsters Monster Manual (2014)

process. If the disease is cured before the tadpole’s emergence, the unborn slaad is disintegrated.Acid, Cold, Fire, Lightning, Thunder

damage. If the target is a humanoid, it must succeed on a DC 14 Constitution saving throw or be infected with a disease—a minuscule slaad egg. A humanoid host can carry only one slaad egg to term

Aboleth Legacy

Monsters Basic Rules (2014)

succeed on a DC 14 Constitution saving throw or become diseased. The disease has no effect for 1 minute and can be removed by any magic that cures disease. After 1 minute, the diseased creature’s

skin becomes translucent and slimy, the creature can’t regain hit points unless it is underwater, and the disease can be removed only by heal or another disease-curing spell of 6th level or higher

Ice Troll

Monsters Icewind Dale: Rime of the Frostmaiden

Cold Aura. While it's alive, the troll generates an aura of bitter cold that fills the area within 10 feet of it. At the start of the troll's turn, all nonmagical flames in the aura are extinguished

. Any creature that starts its turn within 10 feet of the troll takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Cold Aura","rollDamageType":"cold"} cold damage. Keen Smell. The

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

","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

by any magic that cures disease. After 1 minute, the diseased creature's skin becomes translucent and slimy, the creature can't regain hit points unless it is underwater, and the disease can be removed

Elise

Monsters Van Richten’s Guide to Ravenloft

achievement, Elise is a confused, frustrated soul who never wished for her current circumstances. Elise’s heart has been replaced with the Unbreakable Heart. If this device is removed, Elise dies

stitching itself into place if positioned in a cavity where the creature’s heart used to be. A creature with the device inside them is immune to disease, ceases to age, and does not die of old age

Blue Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

":"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

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

Glaive

Monsters Vecna: Eve of Ruin

Heatsink. When Glaive takes cold damage, her Overdrive immediately recharges. Pack Tactics. Glaive has advantage on attack rolls if at least one ally is within 5 feet of the creature she’s

, and the target’s speed is reduced by 10 feet until the serrated bolt is removed. A target’s speed can be reduced by only one serrated bolt at a time. A creature can use its action to

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

Drown

Magic Items Princes of the Apocalypse

Olhydra, the Princess of Evil Water. You gain a +1 bonus to attack and damage rolls you make with this magic weapon. When you hit with it, the targets takes an extra 1d8 cold damage. Water Mastery

. You gain the following benefits while you hold Drown: You can speak Aquan fluently. You have resistance to cold damage. You can cast dominate monster (save DC 17) on a water elemental. Once you

Oinoloth Legacy

Monsters Mordenkainen’s Tome of Foes

","rollType":"recharge","rollAction":"Corrupted Healing"}. The oinoloth touches one willing creature within 5 feet of it. The target regains all its hit points. In addition, the oinoloth can end one disease on

);{"diceNotation":"2d6","rollType":"roll","rollAction":"Corrupted Healing"}. This reduction can be removed only by a wish spell or by casting greater restoration on the target three times within the same

Red Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

":"damage","rollAction":"Claw","rollDamageType":"piercing"} piercing damage. If the target is a humanoid, it must succeed on a DC 14 Constitution saving throw or be infected with a disease—a minuscule slaad

the host's chest in 1 round, killing the host in the process. If the disease is cured before the tadpole's emergence, the unborn slaad is disintegrated.As a slaad emerges from the Spawning Stone, the

Dolgaunt

Monsters Eberron: Rising from the Last War

number of hit points equal to half the necrotic damage taken.Dolgaunts are emaciated hobgoblins with disease-hued flesh. Their eye sockets gape open and empty above a mouth with a wormlike tongue

into intelligent, cold, and efficient killers. When the daelkyr were defeated, the dolgaunts descended into the depths of Khyber with their masters. There, they study in cavernous monasteries, forging

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

","rollAction":"Claws"} to hit, reach 15 ft., one target. Hit: 23 (4d6 + 9);{"diceNotation":"4d6+9","rollType":"damage","rollAction":"Claws","rollDamageType":"cold"} cold damage. If the target is Large or smaller

);{"diceNotation":"6d8","rollType":"damage","rollAction":"Claws","rollDamageType":"cold"} cold damage. Stinger. Melee Weapon Attack: +16;{"diceNotation":"1d20+16","rollType":"to hit","rollAction":"Stinger

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

. This reduction lasts until the poisoned condition is removed. Teleport. Geryon magically teleports, along with any equipment he is wearing and carrying, up to 120 feet to an unoccupied space he can

initiative count 20 (losing initiative ties), Geryon can take a lair action to cause one of the following effects; he can't use the same effect two rounds in a row: Geryon causes a blast of cold to burst

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

","rollAction":"Claws"} to hit, reach 15 ft., one target. Hit: 23 (4d6 + 9);{"diceNotation":"4d6+9","rollType":"damage","rollAction":"Claws","rollDamageType":"cold"} cold damage. If the target is Large or smaller

);{"diceNotation":"6d8","rollType":"damage","rollAction":"Claws","rollDamageType":"cold"} cold damage. Stinger. Melee Weapon Attack: +16;{"diceNotation":"1d20+16","rollType":"to hit","rollAction":"Stinger

Vegepygmy

Monsters Mordenkainen Presents: Monsters of the Multiverse

its turn. If it takes cold, fire, or necrotic damage, this trait doesn’t function at the start of the vegepygmy’s next turn. The vegepygmy dies only if it starts its turn with 0 hit points

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

Thorny Vegepygmy

Monsters Mordenkainen Presents: Monsters of the Multiverse

turn. If it takes cold, fire, or necrotic damage, this trait doesn’t function at the start of the thorny’s next turn. The thorny dies only if it starts its turn with 0 hit points and doesn

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

Vegepygmy Chief

Monsters Mordenkainen Presents: Monsters of the Multiverse

its turn. If it takes cold, fire, or necrotic damage, this trait doesn’t function at the start of the vegepygmy’s next turn. The vegepygmy dies only if it starts its turn with 0 hit points

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

Yuan-ti Malison (Type 3) Legacy

Monsters Monster Manual (2014)

or were defeated by those who fought against their cannibalism and slavery, and the serpent folk were left in the ruins of their great capitals, far removed from other races. Cold of Heart. Humanoid

Eye and Hand of Vecna Legacy

Magic Items Dungeon Master’s Guide (2014)

transforms into a golden eye with a slit for a pupil, much like that of a cat. If the eye is ever removed, you die. To attune to the hand, you must lop off your left hand at the wrist and the press

the artifact against the stump. The hand grafts itself to your arm and becomes a functioning appendage. If the hand is ever removed, you die. Random Properties. The Eye of Vecna and the Hand of Vecna

Spirit Troll

Monsters Mordenkainen Presents: Monsters of the Multiverse

trolls regenerate in the presence of magical emanations, planar energy, disease, or death on a vast scale, or if their bodies were damaged by elemental forces. These unusual forms can also be produced

this god devours the souls of those who have been cooked or digested (slain by fire or acid). Otherwise, the god spits the soul back into the world to regenerate a new body.Acid, Cold, Fire; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Geryon (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

. This reduction lasts until the poisoned condition is removed. Teleport. Geryon magically teleports, along with any equipment he is wearing and carrying, up to 120 feet to an unoccupied space he can

initiative ties), Geryon can take a lair action to cause one of the following effects; he can't use the same effect two rounds in a row: Geryon causes a blast of cold to burst from the ground at a point

Ring of Winter

Magic Items Tomb of Annihilation

the outside of the ring, which normal heat can’t melt. The ring feels ice cold to the touch and initially numbs the hand that wears it, but this cold ceases to be felt by one who is attuned to

Guide). If it succeeds, the ring compels its wearer to cause undue harm to everyone and everything around it, in a cold-hearted attempt to incur the wrath of enemies and bring about the wearer&rsquo

Titivilus

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Regeneration. Titivilus regains 10 hit points at the start of his turn. If he takes cold or radiant damage, this trait doesn’t function at the start of his next turn. Titivilus dies only if

that either Titivilus is Dispater in disguise or Titivilus has removed the archduke and replaced him altogether. Titivilus recognizes the precariousness of his position. After all, Dispater’s

Elise and the Unbreakable Heart

Compendium - Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft

of Fire traits. She has immunity to cold damage. Elise’s heart has been replaced with the Unbreakable Heart. If this device is removed, Elise dies, even if it is replaced with another heart. Elise is

used to be. A creature with the device inside them is immune to disease, ceases to age, and does not die of old age, though they can still die in other ways. The glowing device sheds light in a 10

Swarms

Compendium - Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft

until it finishes a long rest. 3–4. The creature’s hit point maximum decreases by 5 (2d4), and the reduction can’t be removed until the disease ends. The creature dies if its hit point maximum drops to

0. 5–6. The creature has disadvantage on ability checks and attack rolls until it finishes its next long rest. The disease lasts until it’s removed by magic or until the creature rolls the same

Diseases

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

of breath. After 1d6 hours, the infected character gains 1 level of exhaustion that can’t be removed (except as described below) until the disease is cured. At the end of each long rest, the infected

Diseases The following diseases can affect giants and humanoids exploring the jungles of Chult. Remember that lesser restoration and similar magic can cure a disease. Blue Mist Fever A magical mist

Cursed Villagers

Compendium - Sources->Dungeons & Dragons->Journeys through the Radiant Citadel

Cursed Villagers As they walk through the village, the characters notice many locals huddled in corners, bundled in blanket-like sarapes and trembling with cold despite it being a warm but cloudy day

. If asked about them, Rufina replies that these unfortunates have caught sereno, an ailment seemingly spread by bitterly cold winds. Folk who have fallen ill speak of those winds blowing mostly at

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