before being decreases creatures reduces

Shadow

Monsters Monster Manual

", "rollAction":"Draining Swipe", "rollDamageType":"Necrotic"} Necrotic damage, and the target’s Strength score decreases by 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Draining Swipe

"}. The target dies if this reduces that score to 0. If a Humanoid is slain by this attack, a Shadow rises from the corpse 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Draining Swipe"} hours

Blue Slaad

Monsters Monster Manual

. Failure: The target is cursed. The cursed target can’t regain Hit Points, and its Hit Point maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Mutating Claw"} after

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

Specter

Monsters Monster Manual

Incorporeal Movement. The specter can move through other creatures and objects as if they were Difficult Terrain. It takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction

", "rollDamageType":"Necrotic"} Necrotic damage. If the target is a creature, its Hit Point maximum decreases by an amount equal to the damage taken.Necrotic, PoisonAcid, Bludgeoning, Cold, Fire, Lightning, Piercing, Slashing, Thunder

Enlarge/Reduce

Spells Player’s Handbook

For the duration, the spell enlarges or reduces a creature or an object you can see within range (see the chosen effect below). A targeted object must be neither worn nor carried. If the target is an

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

Gulthias Blight

Monsters Monster Manual

itself. After 24 hours, the seeds become creatures under the blight’s control. Roll 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Blight Seeds"} for each seed to determine the

", "rollType":"damage", "rollAction":"Life-Draining Root", "rollDamageType":"Necrotic"} Necrotic damage at the start of each of its turns. The target’s Hit Point maximum decreases by an amount equal to the Necrotic damage taken, and the blight regains Hit Points equal to that amount.Fire, Necrotic

Wraith

Monsters Monster Manual

Incorporeal Movement. The wraith can move through other creatures and objects as if they were Difficult Terrain. It takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction

Drain", "rollDamageType":"Necrotic"} Necrotic damage. If the target is a creature, its Hit Point maximum decreases by an amount equal to the damage taken. Create Specter. The wraith targets a

Water Elemental

Monsters Monster Manual

Freeze. If the elemental takes Cold damage, its Speed decreases by 20 feet until the end of its next turn. Water Form. The elemental can enter an enemy’s space and stop there. It can move

two Medium or smaller creatures at a time with Whelm. As an action, a creature within 5 feet of the elemental can pull a creature out of it by succeeding on a DC 14 Strength (Athletics) check. Success: Half damage only.PoisonAcid, Fire

Mirror of Life Trapping

Magic Items Dungeon Master’s Guide

expanse filled with thick fog that reduces visibility to 10 feet. Creatures trapped in the mirror’s cells don’t age, and they don’t need to eat, drink, or sleep. A creature trapped

When this 4-foot-tall, 2-foot-wide mirror is viewed indirectly, its surface shows faint images of creatures. The mirror weighs 50 pounds, and it has AC 11, HP 10, Immunity to Poison and Psychic

Death Knight

Monsters Monster Manual

magical effects. Marshal Undead. Undead creatures of the death knight’s choice (excluding itself) in a 60-foot Emanation originating from it have Advantage on attack rolls and saving throws. It

the target’s Hit Point maximum decreases by an amount equal to the damage taken. Failure or Success: The death knight can’t take this action again until the start of its next turn. Lunge. The death knight moves up to half its Speed, and it makes one Dread Blade attack.Necrotic, Poison

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

finishes a Long Rest outside that area. Travel Ward. Creatures can’t use teleportation or planar travel to enter or exit the lair. If the demilich dies or moves its lair elsewhere, these effects end immediately.Necrotic, Poison, PsychicBludgeoning, Piercing, Slashing

Death Tyrant

Monsters Monster Manual

: Half damage. Failure or Success: If the target is a creature and this damage reduces it to 0 Hit Points, it disintegrates into dust. Death Ray. Dexterity Saving Throw: DC 17. Failure: 55 (10d10

);{"diceNotation":"10d10", "rollType":"damage", "rollAction":"Death Ray", "rollDamageType":"Necrotic"} Necrotic damage. Success: Half damage. Failure or Success: The target dies if the ray reduces it to 0

Beholder

Monsters Monster Manual

or Success: If the target is a creature and this damage reduces it to 0 Hit Points, it disintegrates into dust. 10: Death Ray. Dexterity Saving Throw: DC 16. Failure: 55 (10d10);{"diceNotation":"10d10

", "rollType":"damage", "rollAction":"Death Ray", "rollDamageType":"Necrotic"} Necrotic damage. Success: Half damage. Failure or Success: The target dies if the ray reduces it to 0 Hit

Vampire Umbral Lord

Monsters Monster Manual

and any creatures of its choice are unaffected by the fog. If the vampire dies or moves its lair elsewhere, these effects end immediately.Cold, NecroticSanguine Drain. Constitution Saving Throw: DC 18

", "rollDamageType":"Necrotic"} Necrotic damage. The target’s Hit Point maximum decreases by an amount equal to the damage taken, and the vampire regains Hit Points equal to that amount.

Wish

Spells Player’s Handbook

space that you can see on the ground. Instant Health. You allow yourself and up to twenty creatures that you can see to regain all Hit Points, and you end all effects on them listed in the Greater

Restoration spell. Resistance. You grant up to ten creatures that you can see Resistance to one damage type that you choose. This Resistance is permanent. Spell Immunity. You grant up to ten

Deck of Many Things

Magic Items Dungeon Master’s Guide

effect. Comet. The next time you enter combat against one or more Hostile creatures, you can select one of them as your foe when you roll Initiative. If you reduce your foe to 0 Hit Points during that

combat, you have Advantage on Death Saving Throws for 1 year. If someone else reduces your chosen foe to 0 Hit Points or you don’t choose a foe, this card has no effect. Donjon. You disappear

Shadow (Stranger Things)

Monsters Stranger Things: Welcome to the Hellfire Club

", "rollAction":"Draining Swipe", "rollDamageType":"Necrotic"} Necrotic damage, and the target’s Strength score decreases by 1d4. The target dies if this reduces that score to 0. If a Humanoid is slain by

Vampire Warden

Monsters Astarion's Book of Hungers

":"2d6", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"Necrotic"} Necrotic damage. The target’s Hit Point maximum decreases by an amount equal to the Necrotic damage taken, and the

).Resilient Flesh. Trigger: The vampire is hit by a melee attack roll from an attacker the vampire can see. Response: The vampire reduces the damage it takes from the attack by 11 (2d6 + 4);{"diceNotation

Dirge

Spells Forgotten Realms: Heroes of Faerûn

Deathly power fills a 60-foot Emanation originating from you for the duration. When you cast this spell, you can designate creatures to be unaffected by it. Any other creature can’t regain Hit

lost Hit Points nor reduces the creature’s Exhaustion level. When the spell is cast, each secondary caster must expend a level 4+ spell slot; otherwise, the spell fails.

Tome of the Dragon

Magic Items Forgotten Realms: Adventures in Faerûn

number of creatures conducting the ritual. During the ritual, you and any assistants must work without interruption, resting no more than 8 hours per day. If you are a Dragon, the cost of supplies and

)", "rollDamageType":"Necrotic"} damage to you and each assistant. If this damage reduces a creature to 0 Hit Points, the creature is killed and immediately reanimates as a Zombie under the DM’s

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

sap the body and mind. Creatures (excluding the vampire and its allies) that finish a Short or Long Rest while within 1 mile of the lair make a DC 15 Wisdom saving throw. On a failed save, a creature

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

Mechanical Determination. If damage reduces the wonder to 0 Hit Points, it makes a Constitution saving throw with a DC of 5 plus the damage taken unless the damage is Lightning or from a Critical Hit. On

remains active for 24 hours. While active, the mobility wonder increases your Speed to 30 feet. Other creatures can’t remove your mobility wonder from you unless you allow it.

Dust of the Mummy (Inhaled)

Equipment

saving throw or be cursed with mummy rot. The cursed creature can’t regain hit points, and its hit point maximum decreases by 10 (3d6) for every 24 hours that elapse. If the curse reduces the

Mummy Legacy

Monsters Basic Rules (2014)

cursed with mummy rot. The cursed target can't regain hit points, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24

hours that elapse. If the curse reduces the target's hit point maximum to 0, the target dies, and its body turns to dust. The curse lasts until removed by the remove curse spell or other magic. Dreadful

Duergar Mind Master Legacy

Monsters Mordenkainen’s Tome of Foes

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

with anything it is wearing or carrying. While reduced, the duergar is Tiny, reduces its weapon damage to 1, and makes attacks, checks, and saving throws with disadvantage if they use Strength. It gains

Specter Legacy

Monsters Basic Rules (2014)

Incorporeal Movement. The specter can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction

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

Centaur Mummy

Monsters Tales from the Yawning Portal

cursed target can't regain hit points, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Hooves"} for every 24 hours that elapse. If the curse reduces

Mirror of Life Trapping Legacy

Magic Items Basic Rules (2014)

When this 4-foot-tall mirror is viewed indirectly, its surface shows faint images of creatures. The mirror weighs 50 pounds, and it has AC 11, 10 hit points, and vulnerability to bludgeoning damage

creature knows the mirror's nature, and constructs succeed on the saving throw automatically. An extradimensional cell is an infinite expanse filled with thick fog that reduces visibility to 10 feet

Wraith Legacy

Monsters Basic Rules (2014)

Incorporeal Movement. The wraith can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction":"Incorporeal

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

Nafik

Monsters Quests from the Infinite Staircase

throw or be cursed with mummy rot. The cursed target can’t regain hit points, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Rotting Fist

"} for every 24 hours that elapse. If the curse reduces the target’s hit point maximum to 0, the target dies and its body turns to dust. The curse lasts until removed by the Remove Curse spell or

Diderius

Monsters Tyranny of Dragons

decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target’s hit point maximum to 0, the target

(Costs 2 Actions). Diderius magically unleashes negative energy. Creatures within 60 feet of him, including ones behind barriers and around corners, can’t regain hit points until the end of his next

Mummy Lord Legacy

Monsters Basic Rules (2014)

, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target's hit point maximum

be stunned until the end of the mummy lord's next turn. Channel Negative Energy (Costs 2 Actions). The mummy lord magically unleashes negative energy. Creatures within 60 feet of the mummy lord

Snow Maiden

Monsters Curse of Strahd

Incorporeal Movement. The snow maiden can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction

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

Fractal Mascot

Monsters Strixhaven: A Curriculum of Chaos

Relative Density. The fractal can move through creatures and objects as if they were difficult terrain. It takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction":"Relative Density

advantage. The fractal can become no larger than Huge via this bonus action. Diminish. The fractal’s size decreases by one category. While the fractal is Tiny, it makes attack rolls, Dexterity

Otyugh Legacy

Monsters Basic Rules (2014)

, reducing its hit point maximum by 5 (1d10);{"diceNotation":"1d10","rollType":"roll","rollAction":"Bite"} on a failure. The disease is cured on a success. The target dies if the disease reduces its hit

grapple ends. The otyugh has two tentacles, each of which can grapple one target. Tentacle Slam. The otyugh slams creatures grappled by it into each other or a solid surface. Each creature must succeed on

Swarm of Maggots

Monsters Van Richten’s Guide to Ravenloft

blinded until it finishes a long rest. 3–4. The creature’s hit point maximum decreases by 5 (2d4);{"diceNotation":"2d4","rollType":"roll","rollAction":"Infestation"}, and the reduction

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

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