choice which reduces

Deck of Many Things

Magic Items Dungeon Master’s Guide

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

a minimum score of 1). You can draw one additional card beyond your declared draws. Rogue. An NPC of the DM’s choice becomes Hostile toward you. You don’t know the identity of this NPC

Reduced-threat Wight

Monsters Tales from the Yawning Portal

until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A humanoid slain by this attack rises 24 hours later as a zombie under the wight's control

Constitution or Wisdom saving throw (creature's choice) or take 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Thrown Urn","rollDamageType":"necrotic"} necrotic damage and become paralyzed for

Shemshime

Monsters Candlekeep Mysteries

Crushing End. If damage reduces Shemshime to 0 hit points, Shemshime instead drops to 1 hit point unless the damage is the result of Shemshime being crushed by an object weighing at least 1,000

":"damage","rollAction":"Whispers of Violence","rollDamageType":"psychic"} psychic damage and must use its reaction to make a melee weapon attack against one creature it can reach (Shemshime’s choice

Drowned Assassin

Monsters Ghosts of Saltmarsh

them instantaneously and without limitation. Undead Fortitude. If damage reduces the drowned assassin to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken

creature of the assassin’s choice within 30 feet of it that can see the assassin must succeed on a DC 13 Wisdom saving throw or be frightened until the end of its next turn.The drowned assassin stalks

Encephalon Cluster

Monsters Phandelver and Below: The Shattered Obelisk

saving throw or have the prone condition. If this attack reduces the target to 0 hit points, the target immediately dies and is consumed by the cluster. Spawn Progeny (Recharges after a Short or Long Rest

). The cluster bulges and spews 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Spawn Progeny"} mature eggs. Each egg lands in an unoccupied space of the cluster’s choice within 30

Molydeus (Summoner Variant)

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 transforms into a manes (see the Monster Manual) if this reduces its hit

Summon Demon (1/Day). As an action, the molydeus has a 50 percent chance of summoning its choice of 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Summon Demon"} babau;babaus, 1d4 chasme;chasmes

Hlam

Monsters Waterdeep: Dragon Heist

following additional effects: The target must succeed on a DC 18 Strength saving throw or drop one item it is holding (Hlam's choice). The target must succeed on a DC 18 Dexterity saving throw or be

","rollAction":"Deflect Missile"}. If the damage is reduced to 0, Hlam catches the missile if it's small enough to hold in one hand and he has a hand free. Slow Fall. Hlam reduces the bludgeoning damage he takes

Eyedrake

Monsters Fizban's Treasury of Dragons

creatures and objects of the eyedrake’s choice in that area. Eye Rays. The eyedrake shoots three of the following magical eye rays at random;{"diceNotation":"1d6","rollType":"roll","rollAction":"Eye

"} necrotic damage on a failed save, or half as much damage on a successful one. The target dies if the ray reduces it to 0 hit points.When a beholder contends with a dragon for power and wealth, its

Molydeus

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 transforms into a manes (see the Monster Manual) if this reduces its hit

). As an action, the molydeus has a 50 percent chance of summoning its choice of 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Summon Demon"} babau;babaus, 1d4 chasme;chasmes, or one marilith

Lantern Archon

Monsters Planescape: Adventures in the Multiverse

Aura of Menace. As long as the archon doesn’t have the incapacitated condition, each creature of the archon’s choice that starts its turn within 20 feet of the archon must make a DC 11

, and Slashing from Nonmagical AttacksShift Radiance. The archon reduces its Illumination to shed only dim light in a 5-foot radius, or it returns the light to full intensity.

Belashyrra

Monsters Eberron: Rising from the Last War

":"slashing"} slashing damage. Eye Ray. Belashyrra shoots one of the following magical eye rays of its choice, targeting one creature it can see within 120 feet of it: 1. Psyche-Reconstruction Ray

successful one. If this damage reduces a creature to 0 hit points, it dies and transforms into a spectator under Belashyrra’s control and acts immediately after Belashyrra in the initiative order

Duergar Mind Master

Monsters Mordenkainen Presents: Monsters of the Multiverse

make one weapon attack against another creature the duergar can see or to move up to 10 feet in a direction of the duergar’s choice. Creatures that can’t be charmed are immune to this

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

Shadar-kai Soul Monger

Monsters Mordenkainen Presents: Monsters of the Multiverse

spells and other magical effects. Soul Thirst. When it reduces a creature to 0 hit points, the shadar-kai can gain temporary hit points equal to half the creature’s hit point maximum. While the

Plane, scouting out choice souls and tragedies that might please their deity. They are rumored to be able to coax worldly events along tragic paths for her amusement. The Raven Queen is famously

Lord Soth

Monsters Dragonlance: Shadow of the Dragon Queen

Undead. Unless Soth is incapacitated, he and Undead creatures of his choice within 60 feet of him are immune to features that turn Undead. Unusual Nature. Soth doesn’t require air, food, drink

Constitution saving throw, taking 100 necrotic damage on a failed save, or half as much damage on a successful one. If this damage reduces the target to 0 hit points, the target dies.Soth can take 3

Gnoll Vampire

Monsters Icewind Dale: Rime of the Frostmaiden

Keen Smell. The vampire has advantage on Wisdom (Perception) checks that rely on smell. Rampage. When it reduces a creature to 0 hit points with a melee attack on its turn, the vampire can take a

the vampire’s choice that is within 120 feet of the vampire and can hear its cackle must succeed on a DC 15 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving

Yeenoghu Legacy

Monsters Out of the Abyss

. When Yeenoghu reduces a creature to 0 hit points with a melee attack on his turn, Yeenoghu can take a bonus action to move up to half his speed and make a bite attack.Multiattack. Yeenoghu makes three

flail attacks. If an attack hits, he can cause it to create an additional effect of his choice or at random (each effect can be used only once per Multiattack): 1. The attack deals an extra 13 (2d12

Dyrrn

Monsters Eberron: Rising from the Last War

","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, Dyrrn kills the target by extracting and devouring its brain.Dyrrn can take 3

(Athletics) or Dexterity (Acrobatics) check as an action. Each creature of Dyrrn’s choice that it can see within 120 feet of it must succeed on a DC 23 Wisdom saving throw or take 26 (4d12

Priest of Osybus (Dread)