before both decreases causing reduced - Search

Hobgoblin Warlord

Monsters Monster Manual

damage, and the target’s Speed decreases by 10 feet until the start of the hobgoblin’s next turn. Longsword. Melee Attack Roll: +6;{"diceNotation":"1d20+6", "rollType":"to hit", "rollAction

by a melee attack roll while holding a weapon: Response: The hobgoblin adds 3 to its AC against that attack, possibly causing it to miss.

Warrior Commander

Monsters Monster Manual

150/600 ft. Hit: 18 (3d8 + 5);{"diceNotation":"3d8+5", "rollType":"damage", "rollAction":"Longbow", "rollDamageType":"Piercing"} Piercing damage, and the target’s Speed decreases by 10 feet

until the end of the target’s next turn.Counterattack. Trigger: The warrior is hit by an attack roll. Response: The warrior adds 4 to its AC against that attack, possibly causing it to miss. On a

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

Sand. Trigger: The mummy is hit by an attack roll. Response: The mummy adds 2 to its AC against the attack, possibly causing the attack to miss, and the mummy teleports up to 60 feet to an unoccupied

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).

Staff of the Python

Magic Items Dungeon Master’s Guide

As a Magic action, you can throw this staff so that it lands in an unoccupied space within 10 feet of you, causing the staff to become a Giant Constrictor Snake in that space. The snake is under your

for 1 hour. If the snake is reduced to 0 Hit Points, it dies and reverts to its staff form; the staff then shatters and is destroyed. If the snake reverts to staff form before losing all its Hit Points, it regains all of them.

Erinyes

Monsters Monster Manual

Entangling Rope action. The rope has AC 20, HP 90, and Immunity to Poison and Psychic damage. The rope turns to dust if reduced to 0 Hit Points, if it is 5+ feet away from the erinyes for 1 hour or more

the target, or the erinyes uses Entangling Rope again.Parry. Trigger: The erinyes is hit by a melee attack roll while holding a weapon. Response: The erinyes adds 4 to its AC against that attack, possibly causing it to miss.Fire, PoisonCold

Death Knight

Monsters Monster Manual

MagicParry. Trigger: The death knight is hit by a melee attack roll while holding a weapon. Response: The death knight adds 6 to its AC against that attack, possibly causing it to miss.Legendary Action

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

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

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

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

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.

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

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).

Dusk Hag

Monsters Eberron: Rising from the Last War

and is cursed until the hag dies or the curse is removed. The cursed creature's hit point maximum decreases by 5 (1d10);{"diceNotation":"1d10","rollType":"roll","rollAction":"Nightmare Touch"} whenever

undertaking quests or making bargains with a dusk hag in exchange for its prophecies and visions of the future. But the information gained from a dusk hag often has a way of causing more pain than joy. Like

Sanctum Amulet

Magic Items Bigby Presents: Glory of the Giants

. Additionally, you can cast the spare the dying cantrip using either an action or a bonus action. Invoking the Rune. When a creature you can see within 60 feet of you is reduced to 0 hit points as a result of

taking damage, you can use your reaction to invoke the item’s rune, causing the pendant to flash with pale light. The creature then instead drops to 1 hit point. Once the rune has been invoked, it can’t be invoked again until the next dawn.

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

Reduced-threat Displacer Beast

Monsters Tales from the Yawning Portal

half damage if it fails. Displacement. The displacer beast projects a magical illusion that makes it appear to be standing near its actual location, causing attack rolls against it to have disadvantage

. If it is hit by an attack, this trait is disrupted until the end of its next turn. This trait is also disrupted while the displacer beast is incapacitated or has a speed of 0. Reduced Threat. This

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

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

Autognome

Monsters Spelljammer: Adventures in Space

Malfunction. Whenever the autognome takes 15 damage or more from a single source and isn’t reduced to 0 hit points by that damage, roll a d20;{"diceNotation":"1d20","rollType":"roll

uses an action to reattach the arm. 15–16: “Who Turned Out the Lights?” The autognome’s head falls off and deactivates, causing the autognome to be blinded and deafened until

Spectral Cloud

Monsters Bigby Presents: Glory of the Giants

, it must succeed on a DC 20 Constitution saving throw, or its hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest

. 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

Breath Drinker

Monsters The Book of Many Things

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 this effect reduces its hit

"} necrotic damage, and its Charisma score is reduced by 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Drink Breath"}. This reduction lasts until the target finishes a short or long rest. If this

Swarm of Scarabs

Monsters Van Richten’s Guide to Ravenloft

","rollDamageType":"piercing"} piercing damage at the start of each of its turns. Any creature can use an action to kill or remove the scarabs with fire or a weapon that deals piercing damage, causing 1 damage of

the appropriate type to the target. A creature reduced to 0 hit points by the swarm’s piercing damage dies.Base creatures are among the first to respond to sinister forces at work in a land. As

Clockwork Stone Defender

Monsters Mordenkainen Presents: Monsters of the Multiverse

attack roll, the clockwork gives that creature a +5 bonus to its AC against that attack, potentially causing a miss. To use this ability, the clockwork must be able to see the creature and the

clockwork’s turn. If you roll a 1, the clockwork is incapacitated until the end of its turn. 8 Rusty Gears. The clockwork has disadvantage on initiative rolls, and its speed decreases by 10 feet. Poison

Draconian Mastermind

Monsters Fizban's Treasury of Dragons

Death Throes. When the draconian is reduced to 0 hit points, its magical essence lashes out as a ball of lightning at the closest creature within 30 feet of it before arcing out to up to two other

AC against that attack and potentially causing the attack to miss.The rarest and most powerful of the draconians are the masterminds—spellcasters and strategists who most often serve as military

Murgaxor's Orb

Magic Items Strixhaven: A Curriculum of Chaos

or slap it awake. Visions of Terror. The cursed creature sees terrifying visions, causing it to view all creatures that aren’t also cursed as dangerous monsters for 10 minutes. The cursed

, poison, and psychic damage; and resistance to all other types of damage. If reduced to 0 hit points, the orb shatters.

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.

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

Clockwork Oaken Bolter

Monsters Mordenkainen Presents: Monsters of the Multiverse

;t reduced, but it can move only in directions that bring it closer to the clockwork. A creature takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction":"Harpoon", "rollDamageType

, the clockwork is incapacitated until the end of its turn. 8 Rusty Gears. The clockwork has disadvantage on initiative rolls, and its speed decreases by 10 feet. PoisonReel In. The clockwork pulls the creature grappled by its Harpoon up to 20 feet closer.

Duergar Mind Master

Monsters Mordenkainen Presents: Monsters of the Multiverse

the materials used and honest about their purpose.PoisonReduce (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 attack rolls, ability checks, and saving throws with disadvantage if they use Strength. It gains a +5 bonus to all

Warforged Colossus

Monsters Eberron: Rising from the Last War

much damage on a successful one. A creature reduced to 0 hit points by this beam is disintegrated, leaving behind anything it was wearing or carrying.In the final days of the Last War, House Cannith

Mourning. The arcane cataclysm that engulfed Cyre destroyed most of the warforged colossi, causing them to collapse into lifeless heaps. Colossal Survivors. Some warforged colossi survived the Day of

Fractine

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

causing harm to anyone or anything. A fractine that doesn’t consume light or magical energy for ten days begins to flicker. A day later, it folds in on itself and self-destructs, leaving no trace

, and the fractine can’t be harmed from within the demiplane. The fractine can imprison only one creature at a time and can release that creature as a bonus action. If the fractine is reduced

Speed

Compendium - Sources->Dungeons & Dragons->Player’s Handbook

leap into the air to fly 20 feet more. Changes to Your Speeds. If an effect increases or decreases your Speed for a time, any special speed you have increases or decreases by an equal amount for the

same duration. For example, if your Speed is reduced to 0 and you have a Climb Speed, your Climb Speed is also reduced to 0. Similarly, if your Speed is halved and you have a Fly Speed, your Fly Speed is also halved.

Speed

Compendium - Sources->Dungeons & Dragons->D&D Beyond Basic Rules

feet, and leap into the air to fly 20 feet more. Changes to Your Speeds. If an effect increases or decreases your Speed for a time, any special speed you have increases or decreases by an equal amount

for the same duration. For example, if your Speed is reduced to 0 and you have a Climb Speed, your Climb Speed is also reduced to 0. Similarly, if your Speed is halved and you have a Fly Speed, your Fly Speed is also halved.

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