both before decreases cloud reduced

Mummy

Monsters Monster Manual

maximum doesn’t return to normal when finishing a Long Rest, and its Hit Point maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Rotting Fist"} every 24 hours

that elapse. A creature dies and turns to dust if reduced to 0 Hit Points by this attack. Dreadful Glare. Wisdom Saving Throw: DC 11, one creature the mummy can see within 60 feet. Failure: The target

Enlarge/Reduce

Spells Player’s Handbook

deal an extra 1d4 damage on a hit. Reduce. The target’s size decreases by one category—from Medium to Small, for example. The target also has Disadvantage on Strength checks and Strength

saving throws. The target’s attacks with its reduced weapons or Unarmed Strikes deal 1d4 less damage on a hit (this can’t reduce the damage below 1).

Night Hag

Monsters Monster Manual

use its Nightmare Haunting action. The bag has AC 15, HP 20, and Resistance to all damage. The bag turns to dust if reduced to 0 Hit Points. If the bag is destroyed, any souls the bag is holding are

spell, the target’s Hit Point maximum decreases by an amount equal to that damage. If the spell kills the target, its soul is trapped in the hag’s soul bag, and the target can’t be

Vampire

Monsters Monster Manual

", "rollAction":"Bite", "rollDamageType":"Necrotic"} Necrotic damage. 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 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

Mummy Lord

Monsters Monster Manual

maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Rotting Fist"} every 24 hours that elapse. A creature dies and turns to dust if reduced to 0 Hit Points by this attack

Demilich

Monsters Monster Manual

Throw: DC 19, one creature the demilich can see within 120 feet. Failure: The target’s Hit Point maximum decreases by 14 (4d6);{"diceNotation":"4d6", "rollType":"roll", "rollAction":"Energy Drain

DC 20 Constitution saving throw or have its Hit Point maximum reduced by 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Enervating Domain"}. This reduction lasts until the creature

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

fills a 60-foot-radius Sphere centered on a point the cataclysm can see within 150 feet. The cloud lasts for 1 minute or until the cataclysm uses Cataclysmic Event again. Creatures entirely in the

Aboleth

Monsters Monster Manual

to succeed instead. Mucus Cloud. While underwater, the aboleth is surrounded by mucus. Constitution Saving Throw: DC 14, each creature in a 5-foot Emanation originating from the aboleth at the end of

it is underwater. While the cursed creature is outside a body of water, the creature takes 6 (1d12);{"diceNotation":"1d12", "rollType":"damage", "rollAction":"Mucus Cloud Curse", "rollDamageType

Wish

Spells Player’s Handbook

cast a spell until you finish a Long Rest, you take 1d10 Necrotic damage per level of that spell. This damage can’t be reduced or prevented in any way. In addition, your Strength score becomes 3

for 2d4 days. For each of those days that you spend resting and doing nothing more than light activity, your remaining recovery time decreases by 2 days. Finally, there is a 33 percent chance that you are unable to cast Wish ever again if you suffer this stress.

Cloying Mists

Feats Astarion's Book of Hungers

always have the Fog Cloud spell prepared. You can cast it without a spell slot, and you must finish a Long Rest before you can cast it in this way again. You can also cast it using spell slots you have of

the appropriate level. Your spellcasting ability for the spell is the ability increased by this feat. Grasping Mist. Whenever you cast Fog Cloud, nonmagical flames in the spell’s Sphere are

Vampire Infernalist

Monsters Astarion's Book of Hungers

(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

running water, it shape-shifts into a Tiny imp (Speed 20 ft., Fly Speed 40 ft.), or a Medium cloud of mist (Speed 5 ft., Fly Speed 20 ft. [hover]), or it returns to its vampire form. Anything it is

Enlarge/Reduce Legacy

Spells Basic Rules (2014)

damage. Reduce. The target's size is halved in all dimensions, and its weight is reduced to one-eighth of normal. This reduction decreases its size by one category--from Medium to Small, for example

. Until the spell ends, the target also has disadvantage on Strength checks and Strength saving throws. The target's weapons also shrink to match its new size. While these weapons are reduced, the target's attacks with them deal 1d4 less damage (this can't reduce the damage below 1).

Spectral Cloud

Monsters Bigby Presents: Glory of the Giants

. The target dies if its hit point maximum is reduced to 0. A Humanoid slain by this attack immediately rises as a miniature spectral cloud (use the specter stat block in the Monster Manual). The

Blurred Form. Attack rolls against the spectral cloud are made with disadvantage unless the attacker is within 15 feet of the spectral cloud or the spectral cloud is incapacitated. Incorporeal

Gloam

Monsters The Wild Beyond the Witchlight

., one target. Hit: 1 slashing damage. Cloud of Dust. On its first turn in combat or when it is reduced to 0 hit points, the cat expels a cloud of dust that acts as dust of sneezing and chokingPoison

Cloud Giant Destiny Gambler

Monsters Bigby Presents: Glory of the Giants

the end of every turn, but it turns to dust if reduced to 0 hit points or when the giant dies. If the rune is destroyed, the giant can inscribe a cloud rune on a mask in its possession when it finishes

Cloud Rune. The giant has a cloud rune inscribed on a mask in its possession. While holding or wearing the mask bearing the rune, the giant has truesight within a range of 30 feet and can use its

Duergar Mind Master Legacy

Monsters Mordenkainen’s Tome of Foes

, or 1 piercing damage and 14 (4d6);{"diceNotation":"4d6","rollType":"damage","rollAction":"Mind","rollDamageType":"psychic"} psychic damage while reduced. Invisibility (Recharge 4–6);{"diceNotation

direction of the duergar's choice. Creatures that can't be charmed are immune to this effect. Reduce (Recharges after a Short or Long Rest). For 1 minute, the duergar magically decreases in size, along

Maegera the Dawn Titan

Monsters Storm King's Thunder

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

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

Constructed Commoner

Monsters Candlekeep Mysteries

village a few days later. If the mannequin is disintegrated or reduced to ashes, it is not replaced and the population of the village permanently decreases by one.Poison

Vampirate

Monsters Spelljammer: Adventures in Space

Explode. When the vampirate is reduced to 0 hit points, it explodes in a cloud of ash. Any creature within 5 feet of it must succeed on a DC 14 Constitution saving throw or take 5 (1d10

damage. A Humanoid reduced to 0 hit points by this attack dies and instantly transforms into a free-willed shadow under the DM’s control. Light Crossbow. Ranged Weapon Attack: +4;{"diceNotation

Syndra Silvane

Monsters Tomb of Annihilation

spells on herself before combat. Death Curse. Syndra’s hit point maximum has been reduced to 79 by the Soulmonger’s death curse, and it decreases by 1 every midnight. If her hit point

Reduced-threat Vrock

Monsters Tales from the Yawning Portal

Magic Resistance. The vrock has advantage on saving throws against spells and other magical effects. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Multiattack

(Recharge 6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Spores"}. A 15-foot-radius cloud of toxic spores extends out from the vrock. The spores spread around corners. Each creature

Nurvureem

Monsters Princes of the Apocalypse

on a failed save, or half as much damage on a successful one. A humanoid reduced to 0 hit points by this damage dies, and an undead shadow rises from its corpse and acts immediately after the dragon

within 20 feet of such a pool must succeed on a DC 15 Strength saving throw or be pulled up to 20 feet into the water and knocked prone. A cloud of swarming insects fills a 20-foot-radius sphere

Strahd, Master of Death House

Monsters Vecna: Eve of Ruin

Legendary Resistance (3/Day). If Strahd fails a saving throw, he can choose to succeed instead. Master of the House. When Strahd is reduced to 0 hit points, he dissolves into mist and immediately

itself on a success. Otherwise, the effect lasts 24 hours or until Strahd is reduced to 0 hit points, is on a different plane of existence than the target, or uses a bonus action to end the effect

Tempest Spirit

Monsters Bigby Presents: Glory of the Giants

failure, an affected creature’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the creature finishes a long rest. The creature dies if its

hit point maximum is reduced to 0.A storm giant can escape death through a mystical ritual that transforms the giant into a semiconscious storm. However, if the giant performs the ritual in a place

Duergar Despot Legacy

Monsters Mordenkainen’s Tome of Foes

, minor illusion 1/day each: counterspell, misty step, stinking cloud Magic Resistance. The duergar has advantage on saving throws against spells and other magical effects. Psychic Engine. When the duergar

despot suffers a critical hit or is reduced to 0 hit points, psychic energy erupts from its frame to deal 14 (4d6);{"diceNotation":"4d6","rollType":"damage","rollAction":"Psychic Engine

King Jhaeros

Monsters Keys from the Golden Vault

Ashen Creature. When Jhaeros drops to 0 hit points, he explodes in a harmless cloud of ashes, leaving nothing else behind. Berserk. Whenever Jhaeros starts his turn with 60 hit points or fewer, roll

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

Bozak Draconian

Monsters Dragonlance: Shadow of the Dragon Queen

Death Throes. When the draconian is reduced to 0 hit points, its scales and flesh immediately shrivel away, and then its bones explode. Each creature within 10 feet of it must succeed on a DC 10

DC 12): 1/day each: enlarge/reduce, invisibility, stinking cloud, webBozak draconians are born from bronze dragon eggs and wield magic to aid their allies in battle. Their wings aren’t strong

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

Shapechanger. If the vampire isn't in sunlight or running water, it can use its action to polymorph into a Tiny bat or a Medium cloud of mist, or back into its true form. While in bat form, the

throw, it can choose to succeed instead. Misty Escape. When it drops to 0 hit points outside its resting place, the vampire transforms into a cloud of mist (as in the Shapechanger trait) instead of

Scion of Stronmaus

Monsters Bigby Presents: Glory of the Giants

":"recharge", "rollAction":"Vengeful Storm"}. The scion conjures a churning storm cloud in a 30-foot-radius, 10-foot-tall cylinder centered on a point within 120 feet of itself. The cloud’s area is

heavily obscured. The cloud lasts for 1 minute, until the scion dies, or when the scion uses this bonus action again. When the cloud appears, and as a bonus action on later turns, the scion can move the

Meletian Hoplite

Monsters Mythic Odysseys of Theros

, sleep 2nd level (2 slots): blur, cloud of daggers, invisibilityMultiattack. The hoplite makes three weapon attacks. It can replace one weapon attack with ray of frost. Spear. Melee or Ranged Weapon

":"1d8","rollType":"damage","rollAction":"Ray of Frost","rollDamageType":"cold"} cold damage, and the target's speed is reduced by 10 feet until the start of the hoplite's next turn.Meletian hoplites

Vampirate Mage

Monsters Spelljammer: Adventures in Space

Explode. When the mage is reduced to 0 hit points, it explodes in a cloud of ash. Any creature within 5 feet of it must succeed on a DC 14 Constitution saving throw or take 11 (2d10);{"diceNotation

","rollDamageType":"necrotic"} necrotic damage. A Humanoid reduced to 0 hit points by this attack dies and instantly transforms into a free-willed shadow under the DM’s control. Ray of Cold

Demilich Legacy

Monsters Monster Manual (2014)

its flying speed. Cloud of Dust. The demilich magically swirls its dusty remains. Each creature within 10 feet of the demilich, including around a corner, must succeed on a DC 15 Constitution saving

Drain (Costs 2 Actions). Each creature within 30 feet of the demilich must make a DC 15 Constitution saving throw. On a failed save, the creature’s hit point maximum is magically reduced by 10 (3d6

Vampirate Captain

Monsters Spelljammer: Adventures in Space

Explode. When the captain is reduced to 0 hit points, it explodes in a cloud of ash. Any creature within 5 feet of it must succeed on a DC 15 Constitution saving throw or take 16 (3d10

. A Humanoid reduced to 0 hit points by this attack dies and instantly transforms into a free-willed shadow or vampirate (captain’s choice) under the DM’s control. Heavy Crossbow. Ranged

Wish Legacy

Spells Basic Rules (2014)

, each time you cast a spell until you finish a long rest, you take 1d10 necrotic damage per level of that spell. This damage can't be reduced or prevented in any way. In addition, your Strength drops

to 3, if it isn't 3 or lower already, for 2d4 days. For each of those days that you spend resting and doing nothing more than light activity, your remaining recovery time decreases by 2 days. Finally, there is a 33 percent chance that you are unable to cast wish ever again if you suffer this stress.

Vampire Warrior Legacy

Monsters Monster Manual (2014)

Shapechanger. If the vampire isn't in sunlight or running water, it can use its action to polymorph into a Tiny bat or a Medium cloud of mist, or back into its true form. While in bat form, the

throw, it can choose to succeed instead. Misty Escape. When it drops to 0 hit points outside its resting place, the vampire transforms into a cloud of mist (as in the Shapechanger trait) instead of

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