both before disease cold rest

Blue Slaad

Monsters Monster Manual

every 24 hours and doesn’t return to normal after finishing a Long Rest. If the curse reduces the target’s Hit Point maximum to 0, the curse ends, and instead of dying, the target

instantly transforms into a Red Slaad or, if it can cast spells of level 3 or higher, a Green Slaad. Only a Wish spell can reverse this transformation.Acid, Cold, Fire, Lightning, Thunder

Sahuagin Baron

Monsters Monster Manual

":"damage", "rollAction":"Fiendish Blood", "rollDamageType":"Acid"} Acid damage, and the target is cursed until it finishes a Short or Long Rest. While cursed, the target can’t benefit from the

Invisible condition, its Speed decreases by 10 feet, and all Fiends within 120 feet of the target can sense its location regardless of interposing obstacles.Acid, Cold

Night Hag

Monsters Monster Manual

Intelligence as the spellcasting ability (spell save DC 14): Augury, Find Familiar, Identify, Locate Object, Scrying, or Unseen Servant. The hag must finish a Long Rest before using this trait to cast

DC 14): At Will: Detect Magic, Etherealness, Magic Missile (level 4 version) 2/Day Each: Phantasmal Killer, Plane Shift (self only)Cold, FireShape-Shift. The hag shape-shifting;shape-shifts into a

Boon of Energy Resistance

Feats Player’s Handbook

Resistance to two of the following damage types of your choice: Acid, Cold, Fire, Lightning, Necrotic, Poison, Psychic, Radiant, or Thunder. Whenever you finish a Long Rest, you can change your choices

Boon of the Soul Drinker

Feats Forgotten Realms: Heroes of Faerûn

Resistance to Cold damage and Necrotic damage. Siphon Life. When an enemy within 120 feet of you is reduced to 0 Hit Points, you can take a Reaction to regain 50 Hit Points. Once you use this benefit, you can’t use it again until you finish a Short or Long Rest.

Mark of Detection

Feats Eberron: Forge of the Artificer

. Magical Detection. You always have the Detect Magic and Detect Poison and Disease spells prepared. You can cast each spell once without a spell slot, and you regain the ability to cast it in that way when

you finish a Long Rest. You can also cast these spells using any spell slots you have of the appropriate level. Intelligence, Wisdom, or Charisma is your spellcasting ability for these spells (choose

Gas Spore Legacy

Monsters Monster Manual (2014)

","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

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

Swarm of Maggots

Monsters Van Richten’s Guide to Ravenloft

. Each time the diseased creature finishes a long rest, roll a d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Infestation"} to determine the disease’s effect: 1–2. The creature is

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

White Dragon Mask

Magic Items Tyranny of Dragons

the cold damage dealt. Draconic Majesty. While you are wearing no armor, you can add your Charisma bonus to your Armor Class. Dragon Breath. If you have a breath weapon that requires rest to recharge

attuned to it, you gain the following benefits. Damage Absorption. You have resistance against cold damage. If you already have resistance to cold damage from another source, you instead have immunity to

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

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

Ice Devil Legacy

Monsters Basic Rules (2014)

","rollAction":"Bite","rollDamageType":"cold"} cold damage. Claws. Melee Weapon Attack: +10;{"diceNotation":"1d20+10","rollType":"to hit","rollAction":"Claws"} to hit, reach 5 ft., one target. Hit: 10 (2d4

","rollDamageType":"cold"} cold damage. Tail. Melee Weapon Attack: +10;{"diceNotation":"1d20+10","rollType":"to hit","rollAction":"Tail"} to hit, reach 10 ft., one target. Hit: 12 (2d6 + 5);{"diceNotation":"2d6

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

Ice Devil (Summoner Variant) Legacy

Monsters Monster Manual (2014)

","rollAction":"Bite","rollDamageType":"cold"} cold damage. Claws. Melee Weapon Attack: +10;{"diceNotation":"1d20+10","rollType":"to hit","rollAction":"Claws"} to hit, reach 5 ft., one target. Hit: 10 (2d4

","rollDamageType":"cold"} cold damage. Tail. Melee Weapon Attack: +10;{"diceNotation":"1d20+10","rollType":"to hit","rollAction":"Tail"} to hit, reach 10 ft., one target. Hit: 12 (2d6 + 5);{"diceNotation":"2d6

Snow Maiden

Monsters Curse of Strahd

reduced by an amount equal to the damage taken. This reduction lasts until the creature finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.Cold, Necrotic, PoisonAcid, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

);{"diceNotation":"3d6","rollType":"damage","rollAction":"Life Drain","rollDamageType":"cold"} cold damage. The target must succeed on a DC 10 Constitution saving throw or its hit point maximum is

Ice Devil (Spear Variant) Legacy

Monsters Monster Manual (2014)

","rollType":"damage","rollDamageType":"cold"} cold damage on a failed save, or half as much damage on a successful one. The frigid air dissipates when the rest of the wall vanishes.Cold, Fire, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

":"Ice Spear","rollDamageType":"cold"} cold damage. If the target is a creature, it must succeed on a DC 15 Constitution saving throw, or for 1 minute, its speed is reduced by 10 feet; it can take either

Specter Legacy

Monsters Basic Rules (2014)

reduced by an amount equal to the damage taken. This reduction lasts until the creature finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.Necrotic, PoisonAcid, Cold, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Shadow Legacy

Monsters Basic Rules (2014)

lasts until the target finishes a short or long rest. If a non-evil humanoid dies from this attack, a new shadow rises from the corpse 1d4;{"diceNotation":"1d4","rollType":"roll"} hours

later.Necrotic, PoisonAcid, Cold, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksRadiant

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

Fury of Kostchtchie

Monsters Bigby Presents: Glory of the Giants

":"Chilling Aura", "rollDamageType":"cold"} cold damage. Magic Resistance. The fury has advantage on saving throws against spells and other magical effects.Multiattack. The fury makes two Fist or Rock

":"damage", "rollAction":"Fist", "rollDamageType":"bludgeoning"} bludgeoning damage plus 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Fist", "rollDamageType":"cold"} cold damage, or

Adult White Dragon Legacy

Monsters Basic Rules (2014)

","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage plus 4 (1d8);{"diceNotation":"1d8","rollType":"damage","rollAction":"Bite","rollDamageType":"cold"} cold damage. Claw

on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the dragon's Frightful Presence for the next 24 hours. Cold Breath (Recharge 5

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

Wraith Legacy

Monsters Basic Rules (2014)

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 point maximum to 0. Create Specter. The

unoccupied space. The specter is under the wraith's control. The wraith can have no more than seven specters under its control at one time.Necrotic, PoisonAcid, Cold, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Frostmourn

Monsters Bigby Presents: Glory of the Giants

", "rollDamageType":"cold"} cold damage plus 18 (4d8);{"diceNotation":"4d8", "rollType":"damage", "rollAction":"Freezing Touch", "rollDamageType":"necrotic"} necrotic damage. If this damage would reduce the

);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Icy Axe", "rollDamageType":"cold"} cold damage. Polar Ray. Ranged Spell Attack: +8;{"diceNotation":"1d20+8", "rollType":"spell", "rollAction

Drannin Splithelm

Monsters Princes of the Apocalypse

Action Surge (Recharges after a Short or Long Rest). Drannin takes an additional action on his turn. Brute. A melee weapon deals one extra die of its damage when Drannin hits with it (included in

the attack). Dwarven Resilience. Drannin has advantage on saving throws against poison. Indomitable (Recharges after a Short or Long Rest). Drannin can reroll a saving throw that he fails. He must use

Ancient White Dragon Legacy

Monsters Basic Rules (2014)

","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage plus 9 (2d8);{"diceNotation":"2d8","rollType":"damage","rollAction":"Bite","rollDamageType":"cold"} cold damage. Claw

effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the dragon's Frightful Presence for the next 24 hours. Cold Breath (Recharge

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

Wyrmreaver Gauntlets

Magic Items Bigby Presents: Glory of the Giants

these gauntlets, your unarmed strike deals an additional 1d6 force damage on a hit. Additionally, whenever you finish a long rest, choose one of the following damage types: acid, cold, fire, lightning

, or poison. You have resistance to the chosen damage type until you finish another long rest. Invoking the Runes. As a bonus action, you can invoke the gauntlets’ runes and summon two enormous

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

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

Triton Master of Waves

Monsters Mythic Odysseys of Theros

: cone of cold 1/day each: fog cloud, gust of wind, wind wall Summon Water Weird (Recharges after a Short or Long Rest). As a bonus action, the triton magically summons 1d4;{"diceNotation":"1d4

","rollType":"damage","rollAction":"Wave Touch","rollDamageType":"cold"} cold damage. Ray of Frost (Cantrip). Ranged Spell Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Ray of

Drowned Master

Monsters Ghosts of Saltmarsh

. Cold Aura. At the start of each of the drowned master's turns, each creature within 5 feet of it takes 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction":"Cold Aura","rollDamageType

":"cold"} cold damage. A creature that touches the drowned master or hits it with a melee attack while within 5 feet of it takes 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction":"Cold Aura

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