before both diseases cause reduces

Dragonborn of Bahamut

Monsters Fizban's Treasury of Dragons

, plus 13 (3d8);{"diceNotation":"3d8", "rollType":"damage", "rollAction":"Longsword", "rollDamageType":"radiant"} radiant damage. The dragonborn can cause the sword to flare with bright light, and the

dragonborn touches another creature within 5 feet of it. The target magically regains 40 hit points. In addition, all diseases and poisons affecting the target are removed. Radiant Breath (Recharge

Zombie Clot

Monsters Van Richten’s Guide to Ravenloft

creature’s next turn. Undead Fortitude. If damage reduces the zombie to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or

marches, zombies might suffer all manner of trauma, potentially reducing them to masses of crawling limbs (see swarm of zombie limbs), infecting them with terrible diseases (see zombie plague spreader), or crushing an entire horde into a single, rotting titan.Poison

Zombie Plague Spreader

Monsters Van Richten’s Guide to Ravenloft

Undead Fortitude. If damage reduces the zombie to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a

swarm of zombie limbs), infecting them with terrible diseases, or crushing an entire horde into a single, rotting titan (see zombie clot).PoisonNecrotic

Kayalithica

Monsters Storm King's Thunder

: meld into stone, stone shape 1/day: stoneskin, time stop Animate Golem. Once during this adventure, as an action, Kayalithica can point to one of the fossilized stone giants in this cave and cause it

- this magic weapon has no bonus to attack or damage rolls. A creature can attune to it, and the weapon enlarges or reduces to be an appropriate size for that creature.Multiattack. The giant makes two

Death's Head of Bhaal

Monsters Baldur’s Gate: Descent into Avernus

of its next turn.Unstoppable (3/Day). The death's head reduces the damage it takes from an attack to 0.Bhaal's cultists emulate their deity, carrying out gruesome murders to spread fear and horror

victims vulnerable to their long-bladed knives. When Bhaal's magic works its power, stab wounds erupt in terrible gouts of blood. Seemingly minor wounds plunge deep into a victim's body and cause

Faerie Borrower

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

: silent imageTricksy Parry. Immediately after taking damage, the faerie reduces the damage taken by 2 (1d4);{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Tricksy Parry"}.Faerie borrowers

are tiny thieves who steal whatever they can lay their hands on to cause confusion and consternation. A faerie borrower stands less than six inches tall, with blue or blue-gray skin and wings resembling

Black Rose Bearer

Monsters Vecna: Eve of Ruin

a pristine black rose. Undead Fortitude. If damage reduces the bearer to 0 hit points, it must make a Constitution saving throw with a DC of 5 plus the damage taken, unless the damage is radiant or

as a guardian. Its name derives from the preserved black rose the bearer carries inside a delicate bell jar. The slightest jostle can cause the bearer to lose its grasp on the bell jar, destroying

Death Tyrant Legacy

Monsters Monster Manual (2014)

succeed on a DC 17 Dexterity saving throw or take 45 (10d8);{"diceNotation":"10d8","rollAction":"Disintegration Ray","rollType":"damage","rollDamageType":"force"} force damage. If this damage reduces the

take 55 (10d10);{"diceNotation":"10d10","rollAction":"Death Ray","rollType":"damage","rollDamageType":"necrotic"} necrotic damage. The target dies if the ray reduces it to 0 hit points. The death

Beholder Legacy

Monsters Monster Manual (2014)

or take 45 (10d8);{"diceNotation":"10d8","rollType":"damage","rollAction":"Disintegration Ray","rollDamageType":"force"} force damage. If this damage reduces the creature to 0 hit points, its body

":"10d10","rollType":"damage","rollAction":"Death Ray","rollDamageType":"necrotic"} necrotic damage. The target dies if the ray reduces it to 0 hit points. The beholder can take 3 legendary actions

Jarad Vod Savo

Monsters Guildmasters’ Guide to Ravnica

Infusion. Jarad is surrounded by a cloud of spores. As a bonus action, he can cause the spores to deal 11 (2d10);{"diceNotation":"2d10","rollType":"damage","rollAction":"Spore Infusion","rollDamageType

":"poison"} poison damage to a creature he can see within 10 feet of him. Turn Resistance. Jarad has advantage on saving throws against any effect that turns undead. Undead Fortitude. If damage reduces

Dybbuk Legacy

Monsters Mordenkainen’s Tome of Foes

cause a quadruped to move as a biped. Any beast or humanoid that sees this behavior must succeed on a DC 12 Wisdom saving throw or become frightened of the dybbuk for 1 minute. The frightened creature can

":"Tendril"}. This reduction lasts until the target finishes a short or long rest. The target dies if this effect reduces its hit point maximum to 0. Possess Corpse (Recharge 6);{"diceNotation":"1d6

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

On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row. Each

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

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

+ 9);{"diceNotation":"2d12+9", "rollType":"damage", "rollAction":"Flail", "rollDamageType":"force"} force damage. If it’s his turn, Yeenoghu can cause the target to suffer one of the following

this creature’s proficiency bonus plus its Strength modifier, reach 5 ft., one target. Hit: 1d4 + this creature’s Strength modifier piercing damage. Rampage. When this creature reduces a

Nilbog

Monsters Mordenkainen Presents: Monsters of the Multiverse

another creature dealing damage to the nilbog, the nilbog reduces the damage to 0 and regains 3 (1d6);{"diceNotation":"1d6","rollType":"heal","rollAction":"Reversal of Fortune"} hit points.When

that cause disorder unless they are appeased. Goblins have no name for this deity and dare not give it one, lest Maglubiyet use its name to ensnare and crush it as he did their other deities. They

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

encountered in its lair has a challenge rating of 16 (15,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects

Ki-rin

Monsters Mordenkainen Presents: Monsters of the Multiverse

working behind the scenes, or they might be champions of their master’s cause, out to defeat villainy wherever it is found. When viewed from the outside, a ki-rin’s lair is indistinguishable

, diseases, and poisons on creatures are suppressed when those creatures are within 3 miles of the lair, unless the creatures are Aberrations, Fiends, or Undead. Safe Descents. Within 3 miles of the

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

":"necrotic"} necrotic damage, and if this damage reduces the target to 0 hit points, its soul is trapped as if it failed the saving throw. A soul trapped in a gem for 24 hours is devoured and ceases to

Action"}. On a result of 11 or higher, the demilich takes a lair action to cause one of the following effects. It can’t use the same effect two rounds in a row. The tomb trembles violently for

Valin Sarnaster

Monsters Candlekeep Mysteries

","rollType":"roll","rollAction":"Hit Point Reduction"} 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

Sarnaster’s Lair Valin can use her lair actions in any area of the tomb. Lair Actions On initiative count 20 (losing initiative ties), Valin takes a lair action to cause one of the following

Going Mad

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

Going Mad Various magical effects can inflict madness on an otherwise stable mind. Certain spells, such as contact other plane and symbol, can cause insanity, and you can use the madness rules here

instead of the spell effects of those spells. Diseases, poisons, and planar effects such as psychic wind or the howling winds of Pandemonium can all inflict madness. Some artifacts can also break the

Teeth of Dahlver-Nar

Magic Items Tasha’s Cauldron of Everything

, you can use your reaction to cause them to be hit instead. You can’t use this reaction again until you finish a short or long rest. 4 The Mill Road Murders (halfling canine) 3 green hag

(rainbow-colored donkey molar) 1 unicorn The tooth has 3 charges. As an action, you can expend 1 charge to touch a creature. The target regains 2d8 + 2 hit points, and all diseases and poisons affecting

Bavlorna Blightstraw

Monsters The Wild Beyond the Witchlight

within 10 feet of Bavlorna cause her to lapse into a fit of sneezing. See the stat block for more details. Hourglass Coven The Hourglass Coven is a group of three hags, each one bound to an aspect of

the start of each of its turns. If the swallowed creature is one of Bavlorna’s lornlings, Bavlorna gains all the lornling’s memories when the acid damage reduces it to 0 hit points

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

, 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

takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row. Each undead creature in the lair can pinpoint the location of each

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

within the Palace of Sinew, Dyrrn can invoke the ambient magic to take lair actions. On initiative count 20 (losing initiative ties), Dyrrn can take a lair action to cause one of the following effects; it

Stress

Compendium - Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft

hardiest adventurers find themselves worn down over time, their performance suffering as they struggle to cope with the dread and despair. Various circumstances might cause a character stress. Stress

circumstances reduces their Stress Score by 1 when they finish their next long rest. The calm emotions spell effect used to suppress the charmed and frightened conditions also suppresses the effects of

Diseases

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

Diseases A plague ravages the kingdom, setting the adventurers on a quest to find a cure. An adventurer emerges from an ancient tomb, unopened for centuries, and soon finds herself suffering

the specifics of how a disease works aren’t bound by a common set of rules. Diseases can affect any creature, and a given illness might or might not pass from one race or kind of creature to another

Belashyrra

Monsters Eberron: Rising from the Last War

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

initiative ties), Belashyrra can take a lair action to cause one of the following effects; it can’t use the same effect two rounds in a row: An eye opens on a solid surface within 60 feet of

Arasta

Monsters Mythic Odysseys of Theros

","rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. If the damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even

count 20 (losing initiative ties), Arasta can take a lair action to cause one of the following effects. She can’t use the same effect two rounds in a row. Arasta learns about any creature

Diseases

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

Diseases The following diseases can affect giants and humanoids exploring the jungles of Chult. Remember that lesser restoration and similar magic can cure a disease. Blue Mist Fever A magical mist

throw reduces the infected creature’s level of exhaustion below 1, the creature recovers from the disease. Explorers can avoid contracting throat leeches by drinking only rainwater or water that’s been

Sample Diseases

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

Sample Diseases The diseases here illustrate the variety of ways disease can work in the game. Feel free to alter the saving throw DCs, incubation times, symptoms, and other characteristics of these

diseases to suit your campaign. Cackle Fever This disease targets humanoids, although gnomes are strangely immune. While in the grips of this disease, victims frequently succumb to fits of mad

Orc Legacy

Species Volo's Guide to Monsters

authority and cause the tribe to collapse into chaos, with the survivors scattering either to join new tribes or to strike out on their own. At the other extreme, warriors that return home with a heavily

ward off diseases if they are worn. Don’t stand inside a ring of stones, mushrooms, or any other kind of circle. Seeing a shooting star before a battle is bad luck. To ward it off, you must

School of Abjuration

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

Ward Starting at 6th level, when a creature that you can see within 30 feet of you takes damage, you can use your reaction to cause your Arcane Ward to absorb that damage. If this damage reduces the

instead. If this damage reduces the ward to 0 hit points, you take any remaining damage. While the ward has 0 hit points, it can’t absorb damage, but its magic remains. Whenever you cast an abjuration

O1. Ground Floor

Compendium - Sources->Dungeons & Dragons->Curse of Strahd

staircase ascends the wall across from it. Shrieks and cackles from somewhere higher up cause the old mill to shudder. The ceiling here is 8 feet high. If the characters explore the room, read: Small

more attractive for 24 hours. The second elixir, labeled “Laughter,” is a nonmagical red tea that infects the imbiber with cackle fever (see “Diseases” in chapter 8, “Running the Game,” of the Dungeon

Dragonborn of Bahamut

Compendium - Sources->Dungeons & Dragons->Fizban's Treasury of Dragons

dragonborn can cause the sword to flare with bright light, and the target must succeed on a DC 14 Constitution saving throw or be blinded until the start of the dragonborn’s next turn. The sword can

flare in this way only once per turn. Healing Touch (1/Day). The dragonborn touches another creature within 5 feet of it. The target magically regains 40 hit points. In addition, all diseases and

War Room

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

, not Bastion Defenders; however, if your Bastion is attacked (see “Bastion Events” at the end of this chapter), each lieutenant housed in your Bastion reduces by 1 the number of dice you roll to

days to fight for your cause. Reduce that number to twenty if you want them to be mounted on Riding Horses (see the Monster Manual). It costs you 1 GP per day to feed each guard and each horse in your

D&D Beyond

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