before before drinking course reduced

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

course it is. —Astarion on Vampire Infernalists Vampire Infernalist Lairs Vampire infernalists lurk in gloomy libraries or ritual chambers, far from the sun’s light. The region

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

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

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

Lorehold Professor of Chaos

Monsters Strixhaven: A Curriculum of Chaos

saving throw or be restrained for 1 minute, but the restrained target’s speed is halved instead of being reduced to 0. At the start of each of its turns, the restrained target takes 4 (1d8

effect on itself on a success.Professors of chaos wield magic inspired by the ebb and flow of chance. They study the course history has taken, looking for breaking points in the flow of events, and focus

Soul Shaker

Monsters Journeys through the Radiant Citadel

shaker is reduced to 0 hit points, it explodes into 7 (1d4 + 5);{"diceNotation":"1d4+5","rollType":"roll","rollAction":"Reconstruction"} crawling claw;crawling claws. After 6 (1d12;{"diceNotation":"1d12

escape, the soul shaker reforms over the course of days and begins hunting once more.PoisonNecroticConsume Vitality. The soul shaker targets a creature it is grappling. If the target is not a Construct or

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

, drinking the monsters’ milk and using them as guardians or pets. Other legends say that those of impure heart can tame a catoblepas and whisper of malevolent warlocks and wicked knights who ride them into battle.

Gloamwing

Monsters Guildmasters’ Guide to Ravnica

Death Link. If its specter rider is reduced to 0 hit points, the gloamwing is destroyed. Flyby. The gloamwing doesn't provoke an opportunity attack when it flies out of an enemy's reach. Sunlight

responsible. If the specter survives, it can create a new gloamwing over the course of a month, during which time the specter is incapacitated. A gloamwing's head is almost ratlike, with prominent teeth

Zombie Plague Spreader

Monsters Van Richten’s Guide to Ravenloft

":"poison"} poison damage 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 rises as a zombie (see its stat block in the Monster

into a dragon’s maw until the monster chokes. In the course of their relentless marches, zombies might suffer all manner of trauma, potentially reducing them to masses of crawling limbs (see

Demilich Legacy

Monsters Monster Manual (2014)

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

);{"diceNotation":"3d6","rollType":"roll","rollAction":"Energy Drain"}. If a creature’s hit point maximum is reduced to 0 by this effect, the creature dies. A creature’s hit point maximum

Carrion Stalker

Monsters Van Richten’s Guide to Ravenloft

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

kills the larvae.A carrion stalker begins life as a pale larva that infests a corpse. Over the course of weeks, this grub burrows, feeds, and grows, ultimately developing into a chitinous mass of pincers

Daemogoth Titan

Monsters Strixhaven: A Curriculum of Chaos

the titan doesn’t heal.Daemogoth titans are towering monsters that blight the land around them. A daemogoth grows in power over the course of decades spent feeding on sorrow and draining life from

psychic damage equal to the total rolled, and its hit point maximum is reduced by an amount equal to the psychic damage taken. This reduction lasts until the creature finishes its next long rest. The

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

Actions). Each creature within 30 feet of the demilich must make a DC 16 Constitution saving throw. On a failed save, the creature’s hit point maximum is magically reduced by 10 (3d6);{"diceNotation

":"3d6","rollType":"roll","rollAction":"Energy Drain"}. If a creature’s hit point maximum is reduced to 0 by this effect, the creature dies. A creature’s hit point maximum can be restored

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. Gaze. Demogorgon turns his

;poisonous snakes and other venomous Beasts. If Demogorgon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. Cultists of Demogorgon

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

Demogorgon Legacy

Monsters Out of the Abyss

"} bludgeoning damage. If the target is a creature, it must succeed on a DC 23 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts

until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. Gaze. Demogorgon turns his magical gaze toward one creature that he can see within 120 feet of him. That

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

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

disappears. If the aboleth dies, the first two effects fade over the course of 3d10;{"diceNotation":"3d10","rollType":"roll"} days.

Geryon (Summoner Variant) 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

must succeed on a DC 21 Wisdom saving throw or derive no benefit from the rest. If Geryon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days.Cold, Fire, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Adult Lunar Dragon

Monsters Spelljammer: Adventures in Space

","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t

of bludgeoning damage. If the dragon dies, the moaning stops, the moon devils dissipate, and the black frost disappears over the course of 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction

Ancient Lunar Dragon

Monsters Spelljammer: Adventures in Space

Breath","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t

cold damage instead of bludgeoning damage. If the dragon dies, the moaning stops, the moon devils dissipate, and the black frost disappears over the course of 1d10;{"diceNotation":"1d10","rollType

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

Undead mockeries of their former selves. Skeletal and zombie versions of local wildlife are commonly seen in the area. If Orcus dies, these effects fade over the course of 1d10;{"diceNotation":"1d10

(Recharges after a Short or Long Rest). If this creature is reduced to 0 hit points, it immediately makes a DC 10 Constitution saving throw. If it succeeds, it is instead reduced to 1 hit point. Aura

Otherworldly Corrupter

Monsters The Book of Many Things

damage while within 3 miles of the lair, they ignore the target’s resistance to poison damage. If the villain dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType

":"roll", "rollAction":"Days"} days.PsychicChange Shape. The corrupter magically transforms into any creature that is Small or Medium, while retaining its game statistics (other than its size). This transformation ends if the corrupter is reduced to 0 hit points or uses a bonus action to end it.

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

. If Geryon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. VARIANT: SOUND THE HORN Geryon can have an action that allows him to summon enslaved

Aurnozci

Monsters The Book of Many Things

intruders in sight with reckless abandon. Cultists of Aurnozci Aurnozci grants its cultists the following trait: Burning Corpse. When the creature dies, its body is reduced to a pile of smoldering

conditions. If Aurnozci dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.Acid, Fire, Poison; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksCold, Lightning

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

Vegetation. Vegetation within 1 mile of the lair becomes infested with parasitic fungi, slowly mutating as it is overwhelmed. If Zuggtmoy dies, these effects fade over the course of 1d10

, 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

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

, which is slick and sticks to anything that touches it. If Juiblex dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Cultists of Juiblex The Faceless

critical hit or is reduced to 0 hit points, it sprays acid; each creature within 5 feet of it takes acid damage equal to its number of Hit Dice. Acid, Poison; Bludgeoning, Piercing, and Slashing that is NonmagicalCold, Fire, Lightning

Zargon the Returner

Monsters Quests from the Infinite Staircase

successful save, the creature takes half as much damage only. A poisoned creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. A creature reduced to

patterns that defy the region’s typical climate. If Zargon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Regional Effect Fade Time"} days.Acid, PoisonCold, Fire; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Hierophant Medusa

Monsters The Book of Many Things

DC 15 Constitution saving throw. On a failed save, a target’s speed is reduced to 0 and can’t increase. On a successful save, its speed is halved. The target’s speed returns to normal

relevant to the medusa’s divine purpose. If the medusa dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.PoisonPetrifying Gaze

Adult Amethyst Dragon

Monsters Fizban's Treasury of Dragons

next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced. Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell

region. If the dragon dies, the populations of aquatic life near the lair return to normal levels over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. The

Attitude

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide

kind gesture at a future date, or challenging the characters to a friendly drinking contest. Ability Checks in Social Interaction You decide the extent to which ability checks shape the outcome of a

course of the conversation. Using the Help Action When a character uses the Help action to help another character influence an NPC or a monster, encourage the player of the helpful character to

Ancient Amethyst Dragon

Monsters Fizban's Treasury of Dragons

next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced. Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell

, requiring no spell components and targeting any body of water in that region. If the dragon dies, the populations of aquatic life near the lair return to normal levels over the course of 1d10

Ashen Grotto Magic

Compendium - Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants

find insight into that which must be returned to its rightful course. The site is consecrated ground with the following properties: Bane of Undead. Dead creatures can’t become Undead in the grotto. An

Undead that enters the grotto for the first time during a turn or that starts its turn there takes 22 (5d8) radiant damage. An Undead reduced to 0 hit points by this damage dies and can’t be returned

7. Fidelio's Folly

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

a translucent knight in shining armor, with the symbol of Tyr (a set of balanced scales) on his ghostly breastplate. The ghost is lawful good and speaks in Common. If the ghost is reduced to 0 hit

points, it re-forms 24 hours later in a random location within the Obstacle Course and remains there until encountered again. Over a century ago, Fidelio began his campaign to single-handedly rid

Cave of Echoes

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

Cave of Echoes The Cave of Echoes is a day’s ride south of Sybar. Originally, the cave was the underground course of a river that flowed from a lake in the Eternal Garden before the garden was drawn

in the Cave of Echoes links it to the Eternal Garden and saturates the caverns with fey magic. The hilltop is now barren, and the river, which still flows through the portal, has been reduced to a mere

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