before being dealing causing reduces

Gray Ooze

Monsters Monster Manual

dealing any damage. Any nonmagical weapon takes a cumulative −1 penalty to attack rolls immediately after dealing damage to the ooze and coming into contact with it. The weapon is destroyed if

":"Acid"} Acid damage. Nonmagical armor worn by the target takes a −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10. The penalty can be removed by casting the Mending spell on the armor.Acid, Cold, Fire

Black Pudding

Monsters Monster Manual

);{"diceNotation":"1d8", "rollType":"damage", "rollAction":"Corrosive Form", "rollDamageType":"Acid"} Acid damage. Nonmagical ammunition is destroyed immediately after hitting the pudding and dealing

any damage. Any nonmagical weapon takes a cumulative −1 penalty to attack rolls immediately after dealing damage to the pudding and coming into contact with it. The weapon is destroyed if the

Blackrazor

Magic Items Dungeon Master’s Guide

attack rolls and damage rolls made with this magic weapon. If you hit an Undead with this weapon, you take 1d10 Necrotic damage, and the target regains 1d10 Hit Points. If this Necrotic damage reduces you

Blackrazor. Blackrazor can be destroyed by crushing it in the great gears of Mechanus. Primus, the creator of the modrons, also knows a series of musical tones that Blackrazor can’t stand to hear, causing the sword to shatter.

Tome of the Dragon

Magic Items Forgotten Realms: Adventures in Faerûn

the ritual’s duration are halved. When the ritual is complete, the tome explodes with violet light, dealing (12d6) Necrotic;{"diceNotation":"12d6", "rollType":"damage", "rollAction":" (Necrotic

)", "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

Shadow of Moil

Spells Xanathar's Guide to Everything

Flame-like shadows wreathe your body until the spell ends, causing you to become heavily obscured to others. The shadows turn dim light within 10 feet of you into darkness, and bright light in the

same area to dim light. Until the spell ends, you have resistance to radiant damage. In addition, whenever a creature within 10 feet of you hits you with an attack, the shadows lash out at that creature, dealing it 2d8 necrotic damage.

Gray Ooze Legacy

Monsters Basic Rules (2014)

Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing. Corrode Metal. Any nonmagical weapon made of metal that hits the ooze corrodes. After dealing damage, the

after dealing damage. The ooze can eat through 2-inch-thick, nonmagical metal in 1 round. False Appearance. While the ooze remains motionless, it is indistinguishable from an oily pool or wet

Psychic Gray Ooze Legacy

Monsters Monster Manual (2014)

Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing. Corrode Metal. Any nonmagical weapon made of metal that hits the ooze corrodes. After dealing damage, the

after dealing damage. The ooze can eat through 2-inch-thick, nonmagical metal in 1 round. False Appearance. While the ooze remains motionless, it is indistinguishable from an oily pool or wet

Black Pudding Legacy

Monsters Basic Rules (2014)

corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal

or wood that hits the pudding is destroyed after dealing damage. The pudding can eat through 2-inch-thick, nonmagical wood or metal in 1 round. Spider Climb. The pudding can climb difficult surfaces

Reduced-threat Gray Ooze

Monsters Tales from the Yawning Portal

Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing. Corrode Metal. Any nonmagical weapon made of metal that hits the ooze corrodes. After dealing damage, the

weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the ooze is destroyed after dealing

Sentient Gray Ooze

Monsters Tales from the Yawning Portal

Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing. Corrode Metal. Any nonmagical weapon made of metal that hits the ooze corrodes. After dealing damage, the

weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the ooze is destroyed after dealing

Prince Livid

Monsters Out of the Abyss

Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing. Corrode Metal. Any nonmagical weapon made of metal that hits the ooze corrodes. After dealing damage, the

weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the ooze is destroyed after dealing

White Maw

Monsters Tales from the Yawning Portal

Amorphous Form. White Maw can occupy another creature’s space and vice versa. Corrode Metal. Any nonmagical weapon made of metal that hits White Maw corrodes. After dealing damage, the weapon

dealing damage. White Maw can eat through 2-inch-thick, nonmagical metal in 1 round. False Appearance. While White Maw remains motionless, it is indistinguishable from white stone. Killer Response

Regenerating Black Pudding

Monsters Out of the Abyss

. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that

hits the pudding is destroyed after dealing damage. The pudding can eat through 2-inch-thick, nonmagical wood or metal in 1 round. Spider Climb. The pudding can climb difficult surfaces, including

Princess Ebonmire

Monsters Out of the Abyss

. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that

hits the pudding is destroyed after dealing damage. The pudding can eat through 2-inch-thick, nonmagical wood or metal in 1 round. Spider Climb. The pudding can climb difficult surfaces, including

Huge Gray Ooze

Monsters Waterdeep: Dungeon of the Mad Mage

Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing. Corrode Metal. Any nonmagical weapon made of metal that hits the ooze corrodes. After dealing damage, the

weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the ooze is destroyed after dealing

Intelligent Black Pudding

Monsters Waterdeep: Dungeon of the Mad Mage

. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that

hits the pudding is destroyed after dealing damage. The pudding can eat through 2-inch-thick, nonmagical wood or metal in 1 round. Spider Climb. The pudding can climb difficult surfaces, including

Reduced-threat Black Pudding

Monsters Tales from the Yawning Portal

. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that

hits the pudding is destroyed after dealing damage. The pudding can eat through 2-inch-thick, nonmagical wood or metal in 1 round. Spider Climb. The pudding can climb difficult surfaces, including

Elder Black Pudding

Monsters Tales from the Yawning Portal

. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that

hits the pudding is destroyed after dealing damage. The pudding can eat through 2-inch-thick, nonmagical wood or metal in 1 round. Spider Climb. The pudding can climb difficult surfaces, including

Oddlewin

Monsters The Book of Many Things

one of the following spells, using Charisma as the spellcasting ability (spell save DC 12): At will: Mage Hand, Tasha's Hideous LaughterReversal of Fortune. In response to another creature dealing

damage to Oddlewin, Oddlewin reduces the damage to 0 and regains 9 (2d8);{"diceNotation":"2d8", "rollType":"heal", "rollAction":"Reversal of Fortune"} hit points.Oddlewin is a nilbog, a goblin possessed by a trickster spirit.Nimble Escape. Oddlewin takes the Disengage or Hide action.

Tree Blight

Monsters Curse of Strahd

);{"diceNotation":"1d6+6","rollType":"damage","rollAction":"Grasping Root","rollDamageType":"bludgeoning"} bludgeoning damage at the start of each of its turns. The root has AC 15 and can be severed by dealing 6

for sap and is so saturated with blood that it doesn’t catch fire easily. Vicious Carnivore. A tree blight feeds on warm-blooded prey and takes perverse delight in causing carnage. It strikes

Nilbog Legacy

Monsters Volo's Guide to Monsters

","rollType":"damage","rollAction":"Shortbow","rollDamageType":"piercing"} piercing damage.Reversal of Fortune. In response to another creature dealing damage to the nilbog, the nilbog reduces the

Maglubiyet, this trickster god survives in splintered form as a possessing spirit that arises when goblinoids form a host, causing disorder in the ranks unless it is appeased. Goblins have no name for

Vampire Spawn Legacy

Monsters Basic Rules (2014)

., one creature. Hit: 8 (2d4 + 3);{"diceNotation":"2d4+3","rollType":"damage","rollAction":"Claws","rollDamageType":"slashing"} slashing damage. Instead of dealing damage, the vampire can grapple the

hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.A Vampire’s Lair A vampire chooses a

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

reduces the target’s Charisma to 0, the target dies. Until the breath drinker dies, the dead target can’t be returned to life by any means short of divine intervention. On a successful save

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

them into flind;flinds. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with

count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Iron Spike

Astral Dreadnought

Monsters Mordenkainen Presents: Monsters of the Multiverse

silver cord instead of dealing damage. Unusual Nature. The dreadnought doesn’t require air, food, drink, or sleep.Multiattack. The dreadnought makes one Bite attack and two Claw attacks. Bite

", "rollAction":"Bite", "rollDamageType":"force"} force damage. If the target is a Huge or smaller creature and this damage reduces it to 0 hit points or it is incapacitated, the dreadnought swallows it. The

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

atrocities in his name. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with him

Mind Flayer Clairvoyant

Monsters Phandelver and Below: The Shattered Obelisk

", "rollAction":"Extract Brain", "rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the mind flayer kills it by extracting and devouring its brain

its AC against that attack roll, potentially causing it to miss. Then the mind flayer, along with any equipment it is wearing or carrying, magically teleports up to 60 feet to an unoccupied space it can

Astral Dreadnought Legacy

Monsters Mordenkainen’s Tome of Foes

critical hit against a creature traveling through the Astral Plane by means of the astral projection spell, the dreadnought can cut the target's silver cord instead of dealing damage.Multiattack. The astral

damage reduces it to 0 hit points or it is incapacitated, the astral dreadnought swallows it. The swallowed target, along with everything it is wearing and carrying, appears in an unoccupied space on

Vampire Warrior Legacy

Monsters Monster Manual (2014)

: 8 (1d8 + 4);{"diceNotation":"1d8+4","rollType":"damage","rollAction":"Unarmed Strike","rollDamageType":"bludgeoning"} bludgeoning damage. Instead of dealing damage, the vampire can grapple the

, and the vampire regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A humanoid slain

Vampire Legacy

Monsters Basic Rules (2014)

damage. Instead of dealing damage, the vampire can grapple the target (escape DC 18). Bite. (Bat or Vampire Form Only). Melee Weapon Attack: +9;{"diceNotation":"1d20+9","rollType":"to hit","rollAction

dies if this effect reduces its hit point maximum to 0. A humanoid slain in this way and then buried in the ground rises the following night as a vampire spawn under the vampire’s control. Charm

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

);{"diceNotation":"1d8+4","rollType":"damage","rollAction":"Unarmed Strike","rollDamageType":"bludgeoning"} bludgeoning damage. Instead of dealing damage, the vampire can grapple the target (escape DC 18

regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A humanoid slain in this way and

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

of itself behind. The destruction of a fractine is accompanied by a loud sound reminiscent of shattering glass. A fractine attacks by falling on its targets, dealing damage as it passes through them

Ulitharid

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

are then planted in the ulitharid’s corpse, causing it to dissolve into ichor. This psionically potent slime helps to fuel the transformation of the area into a brine pool for the embryonic elder brain.

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

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

its existence. Few liches seek to become demiliches, for it means an end to the existence they hoped to preserve by becoming undead. However, time can erode the lich’s reason and memory, causing

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