breathe before diffusing changes reduced

Enlarge/Reduce

Spells Player’s Handbook

unwilling creature, it can make a Constitution saving throw. On a successful save, the spell has no effect. Everything that a targeted creature is wearing and carrying changes size with it. Any item

saving throws. The target’s attacks with its reduced weapons or Unarmed Strikes deal 1d4 less damage on a hit (this can’t reduce the damage below 1).

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

Incarnation of Transience

Monsters Lorwyn: First Light

", "rollType":"damage", "rollAction":"Miasmic Globule", "rollDamageType":"Acid"} Acid damage, and the target’s Speed is reduced by 10 feet until the end of the incarnation’s next turn. Spectral

being might instead resemble a giant crow with a rattlesnake’s tail, its leonine legs stained with blood.Shape-Shift. The incarnation changes its size to Medium, Large, or Huge.

Enlarge/Reduce Legacy

Spells Basic Rules (2014)

unwilling, it can make a Constitution saving throw. On a success, the spell has no effect. If the target is a creature, everything it is wearing and carrying changes size with it. Any item dropped by an

damage. Reduce. The target's size is halved in all dimensions, and its weight is reduced to one-eighth of normal. This reduction decreases its size by one category--from Medium to Small, for example

Green Hag Legacy

Monsters Basic Rules (2014)

Amphibious. The hag can breathe air and water. Innate Spellcasting. The hag's innate spellcasting ability is Charisma (spell save DC 12). She can innately cast the following spells, requiring no

magical illusion that makes her look like another creature of her general size and humanoid shape. The illusion ends if the hag takes a bonus action to end it or if she dies. The changes wrought by

Sea Hag Legacy

Monsters Basic Rules (2014)

Amphibious. The hag can breathe air and water. Horrific Appearance. Any humanoid that starts its turn within 30 feet of the hag and can see the hag's true form must make a DC 11 Wisdom saving throw

carrying with a magical illusion that makes her look like an ugly creature of her general size and humanoid shape. The effect ends if the hag takes a bonus action to end it or if she dies. The changes

Green Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

Amphibious. The hag can breathe air and water. Innate Spellcasting. The hag's innate spellcasting ability is Charisma (spell save DC 12). She can innately cast the following spells, requiring no

like another creature of her general size and humanoid shape. The illusion ends if the hag takes a bonus action to end it or if she dies. The changes wrought by this effect fail to hold up to physical

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

Sea Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

Amphibious. The hag can breathe air and water. Horrific Appearance. Any humanoid that starts its turn within 30 feet of the hag and can see the hag's true form must make a DC 11 Wisdom saving throw

makes her look like an ugly creature of her general size and humanoid shape. The effect ends if the hag takes a bonus action to end it or if she dies. The changes wrought by this effect fail to hold up

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

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

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

Hag of the Fetid Gaze

Monsters Candlekeep Mysteries

Amphibious. The hag can breathe air and water. Innate Spellcasting. The hag’s innate spellcasting ability is Charisma (spell save DC 12). She can innately cast the following spells, requiring

like another creature of her general size and humanoid shape. The illusion ends if the hag takes a bonus action to end it or if she dies. The changes wrought by this effect fail to hold up to physical

Leedara

Monsters Dragonlance: Shadow of the Dragon Queen

after the possession ends. Change Shape. Leedara magically assumes the appearance she had in life, and her creature type changes to Humanoid, while retaining her other game statistics. This

transformation ends if Leedara is reduced to 0 hit points or uses an action to end it.Leedara died during the Cataclysm over three hundred years ago. Once an elven priest, Leedara witnessed her companion and

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.

Reigar

Monsters Spelljammer: Adventures in Space

own. The duplicate takes its turn immediately after the reigar. It vanishes after 1 hour or when it is reduced to 0 hit points.Reigar were once cephalopods similar to octopi. They inhabited the

magical display is a cloud of twinkling, glittering motes that changes color randomly and repels attacks. Gifted with audacious hearts, reigar emerged from the Ysgardian seas to test their mettle on

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

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

Umbraxakar

Monsters Waterdeep: Dungeon of the Mad Mage

Amphibious. The dragon can breathe air and water. Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead. Living Shadow. While in dim light or darkness

successful one. A humanoid reduced to 0 hit points by this damage dies, and an undead shadow rises from its corpse and acts immediately after Umbraxakar in the initiative count. The shadow is under

High Altitude

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

High Altitude Traveling at altitudes of 10,000 feet or higher above sea level is taxing for a creature that needs to breathe, because of the reduced amount of oxygen in the air. Each hour such a

Amethyst Dragon Wyrmling

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon can breathe both air and water.Bite. Melee Weapon Attack: +6;{"diceNotation":"1d20+6", "rollType":"to hit", "rollAction":"Bite"} to hit, reach 5 ft., one target. Hit: 9

, the creature takes half as much damage, and its speed isn’t reduced. Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell components and using Intelligence as

Tromokratis

Monsters Mythic Odysseys of Theros

Amphibious. Tromokratis can breathe air and water. Hearts of the Kraken (Mythic Trait; Recharges after a Short or Long Rest). When Tromokratis is reduced to 0 hit points, it doesn’t die or

Yan-C-Bin

Monsters Princes of the Apocalypse

is reduced to 0 hit points.Yan-C-Bin can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature

feet of him. The target must make a DC 21 Constitution saving throw. On a failed save, the target drops to 0 hit points and is dying. On a successful save, the target can’t breathe or speak

Nurvureem

Monsters Princes of the Apocalypse

Amphibious. The dragon can breathe air and water. Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead. Living Shadow. While in dim light or darkness

on a failed save, or half as much damage on a successful one. A humanoid reduced to 0 hit points by this damage dies, and an undead shadow rises from its corpse and acts immediately after the dragon

Environmental Effects

Compendium - Sources->Dungeons & Dragons->Vecna: Eve of Ruin

effects in a 1-mile radius around the Three Moons Vault. These effects are suppressed in the vault’s locations. Forced Transformation A werewolf that enters the red moonlight changes into its wolf or

hybrid form, and it has the poisoned condition as long as it is within 1 mile of Three Moons Vault. As long as it remains in this area, the creature can’t willingly change shape unless it is reduced to 10

Dash

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

to 60 feet on your turn if you dash. Any increase or decrease to your speed changes this additional movement by the same amount. If your speed of 30 feet is reduced to 15 feet, for instance, you can move up to 30 feet this turn if you dash.

Dash

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

to 60 feet on your turn if you dash. Any increase or decrease to your speed changes this additional movement by the same amount. If your speed of 30 feet is reduced to 15 feet, for instance, you can move up to 30 feet this turn if you dash.

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