before breathe devising causing reduced

Giant Frog

Monsters Monster Manual

Amphibious. The frog can breathe air and water. Standing Leap. The frog’s Long Jump is up to 20 feet and its High Jump is up to 10 feet with or without a running start.Bite. Melee Attack Roll

’s next turn, the swallowed target takes 5 (2d4);{"diceNotation":"2d4", "rollType":"damage", "rollAction":"Swallow", "rollDamageType":"Acid"} Acid damage. If that damage doesn’t kill it, the frog disgorges it, causing it to exit Prone.

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

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.

Aboleth

Monsters Monster Manual

Amphibious. The aboleth can breathe air and water. Eldritch Restoration. If destroyed, the aboleth gains a new body in 5d10;{"diceNotation":"5d10", "rollType":"roll", "rollAction":"Eldritch

the aboleth’s turn. Failure: The target is cursed. Until the curse ends, the target’s skin becomes slimy, the target can breathe air and water, and it can’t regain Hit Points unless

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

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.

Water Elemental Legacy

Monsters Basic Rules (2014)

partially freezes; its speed is reduced by 20 feet until the end of its next turn.Multiattack. The elemental makes two slam attacks. Slam. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType

grapple ends, the target is restrained and unable to breathe unless it can breathe water. If the saving throw is successful, the target is pushed out of the elemental's space. The elemental can

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

Ashen Shambling Mound

Monsters Keys from the Golden Vault

Ashen Creature. When the shambling mound drops to 0 hit points, it is reduced to a pile of ash, and any equipment it was wearing or carrying falls to the ground. Lightning Absorption. Whenever the

. Engulf. The shambling mound engulfs a Medium or smaller creature grappled by it. The engulfed target is blinded, restrained, and unable to breathe, and it must succeed on a DC 14 Constitution saving throw

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

Frost Giant of Evil Water

Monsters Bigby Presents: Glory of the Giants

Amphibious. The giant can breathe air and water.Multiattack. The giant makes two Battleaxe attacks and one Harpoon attack. Battleaxe. Melee Weapon Attack: +10;{"diceNotation":"1d20+10", "rollType

condition (escape DC 16). While the target is grappled this way, its speed isn’t reduced, but it can’t move farther from the giant. The target takes 5 (1d10);{"diceNotation":"1d10

Reduced-threat Dragon Turtle

Monsters Tales from the Yawning Portal

Amphibious. The dragon turtle can breathe air and water. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws. Chains. Magic infuses the chains, which are long

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

Hook of Fisher's Delight

Magic Items Icewind Dale: Rime of the Frostmaiden

wings, follows you around, and sings a beautiful tune in Aquan. It disappears after 2d4 hours or when reduced to 0 hit points. The fish uses the quipper stat block, except that it can breathe air and has

Reduced-threat Darkmantle

Monsters Tales from the Yawning Portal

stalagmite. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Crush. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Crush"} to

target. If the target is Medium or smaller and the darkmantle has advantage on the attack roll, it attaches by engulfing the target's head, and the target is also blinded and unable to breathe while

Runara

Monsters Dragons of Stormwreck Isle

Amphibious. Runara can breathe air and water. Legendary Resistance (3/Day). If Runara fails a saving throw, she can choose to succeed instead.Multiattack. Runara makes one Bite attack and two Claw

ends if Runara is reduced to 0 hit points or uses a bonus action to end it.Despite her innocuous disguise and her commitment to peace, the leader of Dragon’s Rest is an adult bronze dragon&mdash

Lowarnizel

Monsters Phandelver and Below: The Shattered Obelisk

Amphibious. Lowarnizel can breathe both air and water.Multiattack. Lowarnizel makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +9;{"diceNotation":"1d20+9", "rollType":"to hit

magically transforms into any creature that is Medium or Small, while retaining his game statistics (other than his size). This transformation ends if the dragon is reduced to 0 hit points or uses a bonus action to end it.

Sahuagin Wave Shaper

Monsters Ghosts of Saltmarsh

Blood Frenzy. The wave shaper has advantage on melee attack rolls against any creature that doesn't have all its hit points. Limited Amphibiousness. The wave shaper can breathe air and water, but it

at least 50 feet square and 25 feet deep, causing a whirlpool to form in the center of the area. The whirlpool forms a vortex that is 5 feet wide at the base, up to 50 feet wide at the top, 25 feet

Wastrilith

Monsters Mordenkainen Presents: Monsters of the Multiverse

Amphibious. The wastrilith can breathe air and water. Corrupt Water. At the start of each of the wastrilith’s turns, exposed water within 30 feet of it is befouled. Underwater, this effect

defilement, you can use the optional rule on abyssal corruption in chapter 2 of the Dungeon Master’s Guide, causing the poisoned creature to be corrupted.PoisonCold, Fire, Lightning; Bludgeoning

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.

Seth the Shapeshifting Dragon

Monsters Misplaced Monsters: Volume One

Amphibious. Seth can breathe air and water. Invisible in Water. Seth has the invisible condition while fully immersed in water.Multiattack. Seth makes one Bite attack and two Claw attacks. Bite

). This transformation ends if Seth is reduced to 0 hit points or uses another bonus action to end it. Superspeed (2/Day). Seth’s speed is doubled for as long as he maintains concentration (as if

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

Carrionette

Monsters Van Richten’s Guide to Ravenloft

, the target’s speed is reduced by 10 feet, and it must roll a 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Silver Needle"} and subtract the number rolled from each ability check or

. The swap is also undone if the controlled body takes damage from the carrionette’s Silver Needle.Carrionettes arise from innocent intentions. Heartfelt wishes breathe life into a beloved toy and

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

Amphibious. The aboleth can breathe air and water. Mucous Cloud. While underwater, the aboleth is surrounded by transformative mucus. A creature that touches the aboleth or that hits it with a melee

. The diseased creature can breathe only underwater. Probing Telepathy. If a creature communicates telepathically with the aboleth, the aboleth learns the creature's greatest desires if the aboleth

Rezmir

Monsters Tyranny of Dragons

Special Equipment. Rezmir has the Black Dragon Mask, Hazirawn, and an insignia of claws (see appendix C for all items). Amphibious. Rezmir can breathe air and water. Cruel Advantage. Once per turn

. Draconic Majesty. While wearing no armor and wearing the Black Dragon Mask, Rezmir adds her Charisma bonus to her AC (included). Immolation. When Rezmir is reduced to 0 hit points, her body

Triton Master of Waves

Monsters Mythic Odysseys of Theros

Amphibious. The triton can breathe air and water. Innate Spellcasting. The triton’s spellcasting ability is Charisma (spell save DC 15, +7;{"diceNotation":"1d20+7","rollType":"to hit

reduced by 10 feet until the start of the triton’s next turn.Frigid Shield. When a creature the triton can see targets the triton with an attack, the triton gains 10 temporary hit points. If the

Storm Giant Tempest Caller

Monsters Bigby Presents: Glory of the Giants

Alert. The giant can’t be surprise;surprised, and it has advantage on initiative rolls. Amphibious. The giant can breathe air and water. Legendary Resistance (3/Day). If the giant fails a

points; and immunity to necrotic, poison, and psychic damage. The object regains all its hit points at the end of every turn, but it turns to dust if reduced to 0 hit points or when the giant dies. If

Storm Herald

Monsters Bigby Presents: Glory of the Giants

Amphibious. The herald can breathe air and water. Magic Resistance. The herald has advantage on saving throws against spells and other magical effects.Multiattack. The herald makes one Claw attack

effect on itself on a success. If a creature is reduced to 0 hit points by this psychic damage, it dies and its head explodes if it has one. Spellcasting (Psionics). The herald casts one of the

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

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

breathe underwater. At the end of each long rest, an infected creature makes a DC 12 Constitution saving throw. On a success, the victim regains 1 point of Constitution and 1 point of Charisma lost

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.

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