before back diffusing contingency reduces

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

Mechanical Determination. If damage reduces the wonder to 0 Hit Points, it makes a Constitution saving throw with a DC of 5 plus the damage taken unless the damage is Lightning or from a Critical Hit. On

resembles a metal turtle shell with straps. It is designed to be worn on your back or flank, depending on your anatomy. Once wound, the mobility wonder transforms into a personal transport device and

Phase Spider Legacy

Monsters Basic Rules (2014)

as much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while

poisoned in this way.A phase spider possesses the magical ability to phase in and out of the Ethereal Plane. It seems to appear out of nowhere and quickly vanishes after attacking. Its movement on the Ethereal Plane before coming back to the Material Plane makes it seem like it can teleport.

Night Hag Legacy

Monsters Basic Rules (2014)

polymorphs into a Small or Medium female humanoid, or back into her true form. Her statistics are the same in each form. Any equipment she is wearing or carrying isn't transformed. She reverts to her true

(1d10);{"diceNotation":"1d10","rollType":"roll","rollAction":"Nightmare Haunting"}. If this effect reduces the target's hit point maximum to 0, the target dies, and if the target was evil, its soul is

Succubus Legacy

Monsters Basic Rules (2014)

. Shapechanger. The fiend can use its action to polymorph into a Small or Medium humanoid, or back into its true form. Without wings, the fiend loses its flying speed. Other than its size and speed, its statistics

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 point maximum to 0. Etherealness. The fiend magically

Night Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

humanoid, or back into her true form. Her statistics are the same in each form. Any equipment she is wearing or carrying isn't transformed. She reverts to her true form if she dies. Etherealness. The hag

":"roll","rollAction":"Nightmare Haunting"}. If this effect reduces the target's hit point maximum to 0, the target dies, and if the target was evil, its soul is trapped in the hag's soul bag. The

Incubus Legacy

Monsters Basic Rules (2014)

. Shapechanger. The fiend can use its action to polymorph into a Small or Medium humanoid, or back into its true form. Without wings, the fiend loses its flying speed. Other than its size and speed, its statistics

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 point maximum to 0. Etherealness. The fiend magically

Brackish Trudge

Monsters Strixhaven: A Curriculum of Chaos

Fungal Fortitude. If damage reduces the trudge 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

. When these plants die, they decay and become the ideal habitat for fungi. The older a trudge is, the wilder and more varied are the plants and fungi that thrive in the tiny ecosystem on its back. While

Gnoll Witherling

Monsters Mordenkainen Presents: Monsters of the Multiverse

the remains back to a semblance of life in the form of a gnoll witherling. Witherlings travel with their comrades and try to kill anything in their path. They don’t eat and aren’t motivated

service to Yeenoghu or dedicated to the survival of their kin, gnoll war bands seek to soften up foes with surprise attacks and to leave no survivors alive.PoisonRampage. After the witherling reduces a

Yuan-ti Mind Whisperer Legacy

Monsters Volo's Guide to Monsters

Shapechanger. The yuan-ti can use its action to polymorph into a Medium snake or back into its true form. Its statistics are the same in each form. Any equipment it is wearing or carrying isn't

, crown of madness, detect thoughts, expeditious retreat, fly, hypnotic pattern, illusory script Sseth's Blessing. When the yuan-ti reduces an enemy to 0 hit points, the yuan-ti gains 9 temporary hit

Glaive

Monsters Vecna: Eve of Ruin

":"Serrated Bolt Removal","rollDamageType":"slashing"} slashing damage.Self-Preservation. In response to being hit by a weapon attack, Glaive reduces the damage by 11 (2d10);{"diceNotation":"2d10

blighted region. Among the blades, Glaive is best known for her talent at self-modification. “Glaive” is etched onto the back of her neck-plate. It is the only name Glaive has ever known

Yuan-ti Mind Whisperer

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Sseth’s Blessing. When the yuan-ti reduces an enemy to 0 hit points, the yuan-ti gains 9 temporary hit points.Multiattack. The yuan-ti makes two Bite attacks and one Scimitar attack, or it makes

for being self-important, sneaky, and prone to flee at the first sign of trouble.PoisonChange Shape. The yuan-ti transforms into a Medium snake or back into its true form. Its statistics are the same

Drow Arachnomancer

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"7d8", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. If the poison damage reduces the target to 0 hit

(Recharges after a Short or Long Rest). The drow magically transforms into a Large spider, remaining in that form for up to 1 hour, or back into its true form. Its statistics, other than its size, are

Goliath Werebear

Monsters Icewind Dale: Rime of the Frostmaiden

polymorph into a Large bear–humanoid hybrid or into a Large polar bear, or back into its goliath form. Its statistics, other than its size and AC, are the same in each form. Any equipment it is

(Recharges after a Short or Long Rest). When the werebear takes damage, it reduces the damage taken by 10 (1d12 + 4);{"diceNotation":"1d12+4","rollType":"roll","rollAction":"Stone"}.Goliath legends speak of

Vampire Warrior Legacy

Monsters Monster Manual (2014)

Shapechanger. If the vampire isn't in sunlight or running water, it can use its action to polymorph into a Tiny bat or a Medium cloud of mist, or back into its true form. While in bat form, 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)

Shapechanger. If the vampire isn’t in sunlight or running water, it can use its action to polymorph into a Tiny bat or a Medium cloud of mist, or back into its true form. While in bat form

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)

Shapechanger. If the vampire isn't in sunlight or running water, it can use its action to polymorph into a Tiny bat or a Medium cloud of mist, or back into its true form. While in bat form, the

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

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

Shapechanger. If Zorak isn't in sunlight or running water, he can use his action to polymorph into a Tiny bat or a Medium cloud of mist, or back into his true form. While in bat form, Zorak can't

is a giant). Hit or Miss: If thrown, the weapon flies back to Zorak's hand after the attack. Multiattack. (Vampire Form Only). Zorak makes two attacks, only one of which can be a bite attack. Unarmed

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

assume a wraithlike form. The skull then emits a terrifying howl that can slay the weak-hearted and leave others trembling with fear. Left alone, it sinks back down and returns to the empty peace of

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

metaphoric representation of some story—great or small—that was saturated with raw emotion. Shadar-kai encountered outside the Shadowfell are often on quests to find the most sorrow-touched items they can find to bring back to their queen’s gloomy castle.Necrotic, Psychic

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

staff; when the ulitharid is ready to give up its life, it attaches the staff to the back of its head, and the staff cracks open its skull, enabling its brain to be extracted. The brain and the staff

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

can use its action to polymorph into a Large hyena or a Medium cloud of mist, or back into its true form. While in hyena form, the vampire can’t speak, and its walking speed is 50 feet. Its

Baba Yaga's Mortar and Pestle

Magic Items Tasha’s Cauldron of Everything

. Properties of the Pestle. The pestle is a 6-inch-long, worn wooden tool. Once during your turn while you are holding the pestle, you can extend it into a quarterstaff or shrink it back into a pestle (no action

fine powder that's equally useful for cooking or alchemy. At the start of each of your turns, whatever is in the mortar takes 4d10 force damage. If this reduces the target's hit points to 0, the target

Keresta Delvingstone

Monsters Waterdeep: Dungeon of the Mad Mage

Shapechanger. If Keresta isn't in sunlight or running water, she can use her action to polymorph into a Tiny bat or a Medium cloud of mist, or back into her true form. While in bat form, Keresta

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 then buried in

Priest of Osybus (Ectoplasmic)