before barriers diffusing causing reduced - Search

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

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

Intellect Devourer Legacy

Monsters Monster Manual (2014)

Detect Sentience. The intellect devourer can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless

","rollAction":"Devour Intellect"}: If the total equals or exceeds the target’s Intelligence score, that score is reduced to 0. The target is stunned until it regains at least one point of

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.

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

Goblin Psi Commander

Monsters Phandelver and Below: The Shattered Obelisk

triggering attack roll, potentially causing it to miss.Goblin psi commanders are among the few psionic goblins who manage to fully control the power within themselves. Awakened to the total breadth

of their psionic abilities, goblin psi commanders wield blades of pure psychic energy. They can throw barriers of mental force while toppling foes with a single, mind-splitting burst. Psionic

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

Tomb Tapper

Monsters Icewind Dale: Rime of the Frostmaiden

Petrified Death. A tomb tapper reduced to 0 hit points turns into a lifeless stone statue. Anything it's wearing or carrying is not transformed. Sense Magic. The tomb tapper senses magic within 30

feet of it and can use an action to pinpoint the location of any creature, object, or area in that range that bears magic. This sense penetrates barriers but is blocked by a thin sheet of lead. Tunneler

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.

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

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

Ending the Encounter

Compendium - Sources->Dungeons & Dragons->Spelljammer Academy

Ending the Encounter The encounter ends when one of the following conditions is met: The enemy ship is reduced to 100 hit points or fewer, causing it to retreat. The enemy ship takes two critical

hits, causing it to retreat. The characters’ ship moves more than 100 feet away from the enemy ship, at which point the enemy ship breaks off its pursuit and flees. The characters’ ship is reduced to 0 hit points. If this occurs, the characters fail the training exercise, and the simulation ends.

Soul of Artifice

Compendium - Sources->Dungeons & Dragons->Eberron: Rising from the Last War

attuned to. If you’re reduced to 0 hit points but not killed outright, you can use your reaction to end one of your artificer infusions, causing you to drop to 1 hit point instead of 0.

Soul of Artifice

Compendium - Sources->Dungeons & Dragons->Wayfinder's Guide to Eberron

attuned to. If you’re reduced to 0 hit points but not killed outright, you can use your reaction to end one of your artificer infusions, causing you to drop to 1 hit point instead of 0.

Soul of Artifice

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

item you are currently attuned to. If you’re reduced to 0 hit points but not killed outright, you can use your reaction to end one of your artificer infusions, causing you to drop to 1 hit point instead of 0.

Elder Brain

Monsters Mordenkainen Presents: Monsters of the Multiverse

Link. The elder brain targets one creature within 120 feet of it with which it has a psychic link. The elder brain ends the link, causing the creature to have disadvantage on all ability checks

reduced to 0, and it can’t teleport. It can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Psychic Inspiration. The elder brain targets one

Strahd von Zarovich

Monsters Curse of Strahd

","rollDamageType":"necrotic"} necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken, and Strahd regains hit points equal to that amount. The

reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. A humanoid slain in this way and then buried in the ground rises the following night as a

Goblin Psi Commander

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

psi commanders wield blades of pure psychic energy. They can throw barriers of mental force while toppling foes with a single, mind-splitting burst. Goblin Psi Commander Small Aberration (Goblinoid

attack roll, the goblin conjures a shield of force. The target of the attack gains a +3 bonus to its AC against the triggering attack roll, potentially causing it to miss. Kent Davis

Staff of the Python

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

Staff of the Python Staff, Uncommon (Requires Attunement) 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

, and you can’t use the staff’s property again 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.

11. Olhydra's Canal

Compendium - Sources->Dungeons & Dragons->Locathah Rising

) cold damage, and its speed is reduced by 10 feet. Last, but certainly not least, the openings at either end of the area ice over, and must be broken before characters can either enter or exit the

area. Both icy barriers have AC 12, 30 hit points each, vulnerability to fire damage, and immunity to poison and psychic damage.

Staff of the Python

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

Staff of the Python Staff, Uncommon (Requires Attunement) 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

, and you can’t use the staff’s property again 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.

Drowned Ones

Compendium - Sources->Dungeons & Dragons->Ghosts of Saltmarsh

drowned ones in Tammeraut’s Fate), and victims most often acquire it through wounds caused by infected creatures. The disease’s boils manifest in 1d4 hours, causing the victim’s Constitution and Charisma

, the victim takes 18 (4d8) necrotic damage as the boils burst and spread. A creature reduced to 0 hit points by this damage cannot regain hit points until the disease is cured, though it can be stabilized as normal.

After the Exchange

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

-svirfneblin depart for the Underdark via the tunnel in area F10. The workshop machines soon begin to shake violently, causing the whole lair to tremble. One minute later, the steam cylinder in the

workshop explodes, causing area F8 to cave in and dealing 70 (20d6) bludgeoning damage to any creatures still in that room. Death from Above Olivier Bernard The pitiless red dragon Grisdelfawr delights in

E9: Engine Car

Compendium - Sources->Dungeons & Dragons->Keys from the Golden Vault

the furnace isn’t replenished every hour with at least 100 gp worth of treasure, the Engine Car sputters and the train comes to a halt, causing a guard patrol (see “Guard Patrols” earlier in the

adventure) to investigate. A creature that enters the furnace for the first time on a turn or starts its turn there takes 55 (10d10) fire damage. A creature reduced to 0 hit points by this damage dies and is

Intellect Devourer

Compendium - Sources->Dungeons & Dragons->Monster Manual (2014)

can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the creature is protected by a mind blank

this magic or take 11 (2d10) psychic damage. Also on a failure, roll 3d6: If the total equals or exceeds the target’s Intelligence score, that score is reduced to 0. The target is stunned until it

Tomb Tapper

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

and Undercommon but doesn’t speak, telepathy 60 ft. Challenge 10 (5,900 XP) Petrified Death. A tomb tapper reduced to 0 hit points turns into a lifeless stone statue. Anything it’s wearing or

magic. This sense penetrates barriers but is blocked by a thin sheet of lead. Tunneler. The tomb tapper can burrow through solid rock at half its burrowing speed and leaves a 10-foot-wide, 20-foot-tall

Quest: Chaos Unfurls

Compendium - Sources->Dungeons & Dragons->Heroes of the Borderlands

throw or take 1d4 Slashing damage. A character reduced to 0 Hit Points by a scroll has the Unconscious condition but is Stable. There are two scrolls for every player character in the party. As an

character bullies a scroll, causing it to flee into a case. Case Closed If the characters encase all the scrolls, Toryn pays them 20 GP as promised. If the scrolls knock out all the characters, Toryn

3. Halaster Puppet

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

psychic damage, and ability scores of 10. It can’t be charmed or frightened, and it is not subject to exhaustion. It speaks and understands Common, has no attacks, and falls to pieces if reduced to 0 hit

points or if a successful dispel magic spell (DC 15) is cast on it. Hidden inside the puppet is a flask of alchemist’s fire that shatters as the puppet falls to pieces, causing its remnants to catch

7. Fidelio's Folly

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

a translucent knight in shining armor, with the symbol of Tyr (a set of balanced scales) on his ghostly breastplate. The ghost is lawful good and speaks in Common. If the ghost is reduced to 0 hit

always short-lived, ending with Netherskull destroying the ghost and causing it to re-form elsewhere in the dungeon. Fidelio’s ghost is looking for a potential host who is willing to be possessed by it. A

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