breathe before device change reverts

Alter Self

Spells Player’s Handbook

. Aquatic Adaptation. You sprout gills and grow webs between your fingers. You can breathe underwater and gain a Swim Speed equal to your Speed. Change Appearance. You alter your appearance. You decide

another species, though none of your statistics change. You can’t appear as a creature of a different size, and your basic shape stays the same; if you’re bipedal, you can’t use this

Zikran

Monsters Candlekeep Mysteries

Amphibious. Zikran can breathe air and water. Magic Resistance. Zikran has advantage on saving throws against spells and other magical effects. Spellcasting. Zikran is an 18th-level

device that controls the elemental cannon. This device, shown in the accompanying illustration, looks like a metal rod with a tip shaped like a bird’s head.Elemental Cannon. On initiative count 20

Oni Legacy

Monsters Basic Rules (2014)

","rollDamageType":"slashing"} slashing damage, or 9 (1d10 + 4);{"diceNotation":"1d10+4","rollType":"damage","rollAction":"Glaive","rollDamageType":"slashing"} slashing damage in Small or Medium form. Change

that is transformed is its glaive, which shrinks so that it can be wielded in humanoid form. If the oni dies, it reverts to its true form, and its glaive reverts to its normal size.

Lizardfolk Shaman Legacy

Monsters Monster Manual (2014)

(escape DC 12). Until this grapple ends, the target is restrained, and the lizardfolk can’t bite another target. If the lizardfolk reverts to its true form, the grapple ends. Claws (Lizardfolk

","rollAction":"Claws","rollDamageType":"slashing"} slashing damage. Change Shape (Recharges after a Short or Long Rest). The lizardfolk magically polymorphs into a crocodile, remaining in that form for up

Fathomer

Monsters Princes of the Apocalypse

the serpent form during the change, inaccessible until the fathomer returns to its true form. The fathomer reverts to its true form after 4 hours, unless it can expend another use of this trait. If the

fathomer is knocked unconscious or dies, it also reverts to its true form. While in serpent form, the fathomer gains a swimming speed of 40 feet, the ability to breathe underwater, immunity to poison

Xipe

Monsters Tales from the Yawning Portal

":"slashing"} slashing damage, or 9 (1d10 + 4);{"diceNotation":"1d10+4","rollType":"damage","rollAction":"Glaive","rollDamageType":"slashing"} slashing damage in Small or Medium form. Change Shape. Xipe

is his glaive, which shrinks so that it can be wielded in humanoid form. If Xipe dies, he reverts to his true form, and his glaive reverts to its normal size.

Alter Self Legacy

Spells Basic Rules (2014)

action to gain the benefits of a different one. Aquatic Adaptation. You adapt your body to an aquatic environment, sprouting gills and growing webbing between your fingers. You can breathe

underwater and gain a swimming speed equal to your walking speed. Change Appearance. You transform your appearance. You decide what you look like, including your height, weight, facial features, sound of your

Night Hag Legacy

Monsters Basic Rules (2014)

hit, reach 5 ft., one target. Hit: 13 (2d8 + 4);{"diceNotation":"2d8+4","rollType":"damage","rollAction":"Claws","rollDamageType":"slashing"} slashing damage. Change Shape. The hag magically

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

Changeling

Monsters Eberron: Rising from the Last War

Change Appearance. The changeling can use its action to polymorph into a Medium humanoid it has seen, or back into its true form. Its statistics, other than its size, are the same in each form. Any

equipment it is wearing or carrying isn't transformed. It reverts to its true form if it dies.Multiattack. The changeling makes two attacks with its dagger. Dagger. Melee or Ranged Weapon Attack: +4

Deva Legacy

Monsters Basic Rules (2014)

"} hit points and is freed from any curse, disease, poison, blindness, or deafness. Change Shape. The deva magically polymorphs into a humanoid or beast that has a challenge rating equal to or less than

its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the deva's choice). In a new form, the deva

Ancient Bronze Dragon Legacy

Monsters Basic Rules (2014)

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.Multiattack. The dragon can use its Frightful

failed save, the creature is pushed 60 feet away from the dragon. Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back

Horizon Puzzle Cube

Magic Items Bigby Presents: Glory of the Giants

of Horizon’s Edge. The portal is two-way and remains open for 10 minutes or until a creature uses an action to change the puzzle’s configuration. Puzzle cubes don’t function while on

Horizon’s Edge, but a device somewhere in the demiplane allows a cube to function in reverse while the cube is fitted into it.

Archdruid

Monsters Mordenkainen Presents: Monsters of the Multiverse

typically has one or more pupils who are druid;druids (see the Monster Manual), and the archdruid’s lair is usually guarded by loyal Beasts and Fey creatures. When an archdruid uses their Change

elemental 4 Giant crocodile 5 Mammoth 6 Flail snail 7 Triceratops 8 Water elemental Change Shape (2/Day). The archdruid magically transforms into a Beast or an

Irda Seeker

Monsters Monstrous Compendium Vol. 2: Dragonlance Creatures

Humanoid it has seen. Any equipment the seeker is wearing or carrying isn’t transformed, and the seeker’s statistics don’t change. The seeker reverts to its true form if the seeker is

. If the seeker lacks the room to become Large, it attains the maximum size possible in the space available. Change Shape (1/Day). The seeker magically transforms to look and feel like a Medium

Adult Bronze Dragon Legacy

Monsters Basic Rules (2014)

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.Multiattack. The dragon can use its Frightful

failed save, the creature is pushed 60 feet away from the dragon. Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into

Night Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

(2d8 + 4);{"diceNotation":"2d8+4","rollType":"damage","rollAction":"Claws","rollDamageType":"slashing"} slashing damage. Change Shape. The hag magically 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 form if she dies. Etherealness. The hag

Couatl Legacy

Monsters Basic Rules (2014)

). Until this grapple ends, the target is restrained, and the couatl can't constrict another target. Change Shape. The couatl magically polymorphs into a humanoid or beast that has a challenge rating

equal to or less than its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the couatl's choice). In a

Pudding King

Monsters Out of the Abyss

":"War Pick","rollDamageType":"piercing"} piercing damage. Change Shape. The Pudding King magically transforms into an ooze, or back into his true form. He reverts to his true form if he dies. Any

Cloud Giant Smiling One

Monsters Mordenkainen Presents: Monsters of the Multiverse

change. It reverts to its true form if it dies. Spellcasting. The giant casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save

. Hit: 25 (4d10 + 3);{"diceNotation":"4d10+3", "rollType":"damage", "rollAction":"Telekinetic Strike", "rollDamageType":"force"} force damage. Change Shape. The giant magically transforms to look and

Cloud Giant Smiling One Legacy

Monsters Volo's Guide to Monsters

has advantage on the attack roll. Change Shape. The giant magically polymorphs into a beast or humanoid it has seen, or back into its true form. Any equipment the giant is wearing or carrying is

absorbed by the new form. Its statistics, other than its size, are the same in each form. It reverts to its true form if it dies.

Irda Veil Keeper

Monsters Monstrous Compendium Vol. 2: Dragonlance Creatures

’s statistics don’t change. The veil keeper reverts to its true form if the veil keeper is reduced to 0 hit points or if the veil keeper uses an action to end the transformation

with advantage. If the veil keeper lacks the room to become Large, it attains the maximum size possible in the space available. These augmentations end if the veil keeper is incapacitated. Change

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

creature is pushed 60 feet away from the dragon. Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form. It

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

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.Multiattack. The dragon can use its Frightful

, and Strength saving throws for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Change Shape. The dragon magically

Archdruid Legacy

Monsters Volo's Guide to Monsters

);{"diceNotation":"1d6+2","rollType":"damage","rollAction":"Scimitar","rollDamageType":"slashing"} slashing damage. Change Shape (2/Day). The archdruid magically polymorphs into a beast or elemental

form. The archdruid reverts to its true form if it dies or falls unconscious. The archdruid can revert to its true form using a bonus action on its turn. While in a new form, the archdruid retains its

Redtooth Werefox

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

skills, our beauty, and our history.” —Yenna, Redtooth regent Change Shape. The werefox polymorphs into a fox-elf hybrid, into a fox, or back into its elf form. Its game statistics, other

than its speed, are the same in each form. Any equipment it is wearing or carrying isn’t transformed. It reverts to its elf form if it dies. Vulpine Nimbleness (Fox or Hybrid Form Only). The werefox takes the Dash or Disengage action.

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

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.Multiattack. The dragon can use its Frightful

checks, and Strength saving throws for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Change Shape. The dragon magically

Ancient Silver Dragon Legacy

Monsters Basic Rules (2014)

of its turns, ending the effect on itself on a success. Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its

true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its alignment

Adult Silver Dragon Legacy

Monsters Basic Rules (2014)

turns, ending the effect on itself on a success. Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form

. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its alignment, hit

Deep Scion Legacy

Monsters Volo's Guide to Monsters

equipment it is wearing or carrying isn't transformed. The deep scion reverts to its true form if it dies. Amphibious (Hybrid Form Only). The deep scion can breathe air and water.Multiattack. In humanoid

Gingwatzim

Monsters Candlekeep Mysteries

exhaustion. When the target finishes a short or long rest, the target loses every level of exhaustion gained from this attack. Change Shape. The gingwatzim changes from its true form—a 3-foot

gingwatzim reverts to its true form and then vanishes.A gingwatzim is a peculiar form of life created by a spell or a ritual. The magic that brings it into being draws on spirit energy from the

Wyllow

Monsters Waterdeep: Dungeon of the Mad Mage

. Change Shape (2/Day). Wyllow magically polymorphs into a beast or elemental with a challenge rating of 6 or less, and can remain in this form for up to 9 hours. Wyllow can choose whether her equipment

falls to the ground, melds with her new form, or is worn by the new form. Wyllow reverts to her true form if she dies or falls unconscious. Wyllow can revert to her true form using a bonus action on her

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

to 60 feet away from Runara. Change Shape. Runara magically transforms into a Humanoid or Beast that is Medium or Small, while retaining her game statistics (other than her size). This transformation

Lhammaruntosz

Monsters Sleeping Dragon’s Wake

Amphibious. Lhammaruntosz can breathe air and water. Legendary Resistance (3/Day). If Lhammaruntosz fails a saving throw, she can choose to succeed instead. Innate Spellcasting. Lhammaruntosz&rsquo

a DC 19 Strength saving throw. On a failed save, the creature is pushed 60 feet away from the dragon. Change Shape. Lhammaruntosz magically polymorphs into a humanoid or beast that has a challenge

Endelyn Moongrave

Monsters The Wild Beyond the Witchlight

deal. Endelyn’s obsession with tragedy and hopelessness extends to her own life; she has foreseen her own demise during a solar eclipse. In the depths of her castle, a lightning-powered device

’t change it, but I will do everything in my power to forestall it.” Endelyn’s Appearance Endelyn’s emaciated form is hidden under the layers of her elaborate costume. Part dress

Werevulture

Monsters The Book of Many Things

. Werevultures appear perfectly ordinary when in humanoid shape. But by the light of the full moon—or at other times when they give in to the curse—they change. Foul wings burst painfully

werevulture polymorphs into a vulture-humanoid hybrid, into a vulture, or back into its humanoid form. Its game statistics, other than its speed, are the same in each form. Any equipment it is wearing or carrying isn’t transformed. It reverts to its humanoid form if it dies.

D&D Beyond

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