breathe both diffusing change response

Octopus

Monsters Monster Manual

Compression. The octopus can move through a space as narrow as 1 inch without expending extra movement to do so. Water Breathing. The octopus can breathe only underwater.Tentacles. Melee Attack Roll

while underwater. Response: The octopus releases ink that fills a 5-foot Cube centered on itself, and the octopus moves up to its Swim Speed. The Cube is Heavily Obscured for 1 minute or until a strong current or similar effect disperses the ink.

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

Giant Octopus

Monsters Monster Manual

Water Breathing. The octopus can breathe only underwater. It can hold its breath for 1 hour outside water.Tentacles. Melee Attack Roll: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction

while underwater. Response: The octopus releases ink that fills a 10-foot Cube centered on itself, and the octopus moves up to its Swim Speed. The Cube is Heavily Obscured for 1 minute or until a strong current or similar effect disperses the ink.

Giant Squid

Monsters Monster Manual

Water Breathing. The squid can breathe only underwater.Multiattack. The squid makes one Bite attack and one Tentacle attack. Bite. Melee Attack Roll: +9;{"diceNotation":"1d20+9", "rollType":"to hit

straight toward itself.Ink Cloud (1/Day). Trigger: The squid takes damage while underwater. Response: The squid releases ink that fills a 15-foot Cube centered on itself, and the squid moves up to its Swim

Merfolk Wavebender

Monsters Monster Manual

Amphibious. The merfolk can breathe air and water.Multiattack. The merfolk makes two Aquatic Burst attacks. Aquatic Burst. Melee or Ranged Attack Roll: +7;{"diceNotation":"1d20+7", "rollType":"to

merfolk. Response—Strength Saving Throw: DC 15, the triggering enemy. Failure: 14 (4d6);{"diceNotation":"4d6", "rollType":"damage", "rollAction":"Watery Rebuke", "rollDamageType":"Cold"} Cold

Sahuagin Baron

Monsters Monster Manual

Blood Frenzy. The sahuagin has Advantage on attack rolls against any creature that doesn’t have all its Hit Points. Limited Amphibiousness. The sahuagin can breathe air and water, but it must

. Response—Constitution Saving Throw: DC 14, each creature of the sahuagin’s choice in a 5-foot Emanation originating from the sahuagin. Failure: 10 (3d6);{"diceNotation":"3d6", "rollType

Kuo-toa

Monsters Monster Manual

Amphibious. The kuo-toa can breathe air and water. Sunlight Sensitivity. While in sunlight, the kuo-toa has Disadvantage on ability checks and attack rolls.Spear. Melee or Ranged Attack Roll: +3

in a net within 5 feet, destroying the net on a success.Sticky Shield. Trigger: A creature misses the kuo-toa with a melee attack roll using a weapon. Response—Strength Saving Throw: DC 11, the

Arch-hag

Monsters Monster Manual

hag casts Counterspell in response to that spell’s trigger, using the same spellcasting ability as Spellcasting. If the target fails its saving throw, it is cursed until the end of its next turn

lairs frequently change or exhibit bewildering features. The region containing an arch-hag’s lair is altered by its presence, creating the following effects: Lapsus Linguae. Creatures

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

Merfolk Stormcaller

monsters

Amphibious. The merfolk can breathe air and water. Summon Storm. Once per day, one or more merfolk stormcallers can cast Control Weather as a Ritual that takes 10 minutes to perform. For every

additional stormcaller involved in performing the Ritual, the radius of the spell’s effect increases by 1 mile, the duration increases by 2 hours, and they can change the weather by one additional

Ventilating Lungs

Magic Items Eberron: Rising from the Last War

These metallic nodules were created in response to the poisonous gases used on the battlefields of the Last War. When you attune to these lungs, they replace the lungs in your chest, which disappear

. The lungs allow you to breathe normally, even in an antimagic field, and their breathing function can’t be suppressed by magic. Outside an antimagic field or any other effect that suppresses

Dohwar

Monsters Spelljammer: Adventures in Space

also shroud themselves in hooded cloaks. The average dohwar stands 3 feet tall and has bright plumage matching a particular color in the rainbow spectrum. This color can change at unpredictable times in

the dohwar's life, often in response to the dohwar experiencing an overwhelming emotion. Instead of wings, it has arms and tiny hands. Dohwars prefer to communicate through a form of telepathy they

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

Moonlight Guardian

Monsters Vecna: Eve of Ruin

true form, it is forced into its true form and can’t change forms until the end of the guardian’s next turn. On a successful save, a creature takes half as much damage only. “Thought

and other shapeshifting creatures. In response, the Moon card spawned the first moonlight guardian. A moonlight guardian’s body is infused with magical moonlight that the creature can channel

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

Kraken Priest

Monsters Mordenkainen Presents: Monsters of the Multiverse

Amphibious. The priest can breathe air and water.Multiattack. The priest makes two Thunderous Touch or Thunderbolt attacks. Thunderous Touch. Melee Spell Attack: +5;{"diceNotation":"1d20+5

veneration are sometimes rewarded with power, to serve thereafter as kraken priests. Every kraken priest undergoes a change in appearance that reflects the kraken’s influence, although each

Plasmid

monsters

Amphibious. The plasmid can breathe air and water. Receptive Telepathy. The plasmid is considered a shark for the purpose of being magically controlled by any sahuagin’s Shark Telepathy trait

tools, reshaping their mutable bodies to serve the needs of their sahuagin masters. Skin of Stone and Steel. A plasmid can change the texture of its flesh as well as its appearance. In addition to making

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

Dekella, Bident of Thassa

Magic Items Mythic Odysseys of Theros

cold damage. Blessing of the Deep. If you are a worshiper of Thassa, you gain all the following benefits for which you have the required piety: Piety 10+. You can breathe underwater, and you gain a

Guide for details on randomly determined properties. Command the Deep. The bident holds the power to command the waves and its creatures. As an action, you can change the condition of the sea

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

":"cold"} cold damage.Triton masters of waves sculpt storms and change the tides, bending the sea to their will. Drawing forth living currents and the icy cold of the deep, these mages make the ocean their

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

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

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

Brass Greatwyrm