before breathing down current reduce

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.

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

Speed. The Cube is Heavily Obscured for 1 minute or until a strong current or similar effect disperses the ink.

Giant Octopus Legacy

Monsters Basic Rules (2014)

Hold Breath. While out of water, the octopus can hold its breath for 1 hour. Underwater Camouflage. The octopus has advantage on Dexterity (Stealth) checks made while underwater. Water Breathing

if it is underwater. The area is heavily obscured for 1 minute, although a significant current can disperse the ink. After releasing the ink, the octopus can use the Dash action as a bonus action.

Octopus Legacy

Monsters Basic Rules (2014)

Breathing. The octopus can breathe only underwater.Tentacles. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType":"to hit","rollAction":"Tentacles"} to hit, reach 5 ft., one target. Hit: 1 bludgeoning

cloud of ink extends all around the octopus if it is underwater. The area is heavily obscured for 1 minute, although a significant current can disperse the ink. After releasing the ink, the octopus can use the Dash action as a bonus action.

Spore Servant Octopus

Monsters Dragons of Stormwreck Isle

Hold Breath. While out of water, the octopus can hold its breath for 1 hour. Water Breathing. The octopus can breathe only underwater.Tentacles. Melee Weapon Attack: +5;{"diceNotation":"1d20+5

"} bludgeoning damage.Spore servants are dead creatures reanimated by the magical spores of a myconid leader. The final act of the myconid leader in Seagrow Caves before lapsing into its current comatose state

Sahuagin Hatchling Swarm

Monsters Ghosts of Saltmarsh

the end of its turn if it did not make an attack on that turn. This damage ignores resistance, and it cannot reduce the swarm to 0 hit points. Swarm. The swarm can occupy another creature's space and

vice versa, and it can move through any opening large enough for a Tiny creature. The swarm can't regain hit points or gain temporary hit points. Water Breathing. The swarm can breathe only

Whymsee (Kraken Priest Variant)

Monsters Locathah Rising

breathing, water walk1/day each: Evard's black tentacles, lightning boltThunderous Touch. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Thunderous Touch"} to hit

":"poison"} poison damage on a failed save, or half as much damage on a successful one. A strong current disperses the cloud, which otherwise disappears at the end of Whymsee's next turn. Shell

Kraken Legacy

Monsters Basic Rules (2014)

Amphibious. The kraken can breathe air and water. Freedom of Movement. The kraken ignores difficult terrain, and magical effects can't reduce its speed or cause it to be restrained. It can spend 5

current disperses the cloud, which otherwise disappears at the end of the kraken's next turn.A Kraken’s Lair A kraken lives in dark depths, usually a sunken rift or a cavern filled with

Shapechange Legacy

Spells Basic Rules (2014)

had before you transformed. If you revert as a result of dropping to 0 hit points, any excess damage carries over to your normal form. As long as the excess damage doesn't reduce your normal form to 0

rules for the original form, with one exception: if your new form has more hit points than your current one, your hit points remain at their current value.

Slarkrethel

Monsters Storm King's Thunder

Amphibious. Slarkrethel can breathe air and water. Freedom of Movement. Slarkrethel ignores difficult terrain, and magical effects can't reduce its speed or cause it to be restrained. It can spend 5

);{"diceNotation":"3d10","rollType":"damage","rollAction":"Ink Cloud","rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. A strong current disperses the

Create Homunculus

Spells Xanathar's Guide to Everything

Constitution modifier to it. Your hit point maximum is reduced by the total, and the homunculus’s hit point maximum and current hit points are both increased by it. This process can reduce you to no

Thessalkraken

Monsters Infernal Machine Rebuild

Amphibious. The thessalkraken can breathe air and water. Freedom of Movement. The thessalkraken ignores difficult terrain, and magical effects can’t reduce its speed or cause it to be

);{"diceNotation":"3d10","rollType":"damage","rollAction":"Ink Cloud","rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. A strong current disperses

Juvenile Kraken

Monsters Ghosts of Saltmarsh

Amphibious. The kraken can breathe air and water. Freedom of Movement. The kraken ignores difficult terrain, and magical effects can't reduce its speed or cause it to be restrained. It can spend 5

","rollAction":"Ink Cloud","rollDamageType":"poison"} poison damage on a failed save or half as much damage on a successful one. A strong current disperses the cloud, which otherwise disappears at the end of

Auril (First Form)

Monsters Icewind Dale: Rime of the Frostmaiden

current weakened state, Auril can assume three different forms. To destroy her, heroes must reduce each of her forms to 0 hit points one after another. After she’s defeated in her third and final

own flaws. It’s appropriate for Auril to act as though she’s invincible while underestimating her mortal enemies, even in her current weakened state. Auril’s Three Forms In her

Auril (Third Form)

Monsters Icewind Dale: Rime of the Frostmaiden

invincible while underestimating her mortal enemies, even in her current weakened state. Auril’s Three Forms In her current weakened state, Auril can assume three different forms. To destroy her

, heroes must reduce each of her forms to 0 hit points one after another. After she’s defeated in her third and final form, Auril dies. As long as she has mortal followers who worship her, however

Auril (Second Form)

Monsters Icewind Dale: Rime of the Frostmaiden

her current weakened state. Auril’s Three Forms In her current weakened state, Auril can assume three different forms. To destroy her, heroes must reduce each of her forms to 0 hit points one

Mask of the Dragon Queen

Magic Items Tyranny of Dragons

damage to a creature, it can’t take reactions until its next turn. Water Breathing (Black Dragon Mask;Black or Green Dragon Mask Only). You can breathe underwater. Winter’s Fury (White

Dragon Mask Only). While your current hit points are equal to or less than half your hit point maximum, you deal an extra 1d8 cold damage with your melee attacks.

Simic Scientist

Backgrounds Guildmasters’ Guide to Ravnica

ability, enlarge/reduce 3rd gaseous form, water breathing, wind wall 4th freedom of movement, polymorph 5th creation When your magic causes physical

Faerzress-Suffused Fungi

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

effect of an enlarge/reduce spell. The effect lasts for 1 hour. Ten minutes before the effect ends, the creature feels a tingling sensation, at which point it can sustain its current size by eating

ends, the creature feels a tingling sensation, at which point it can sustain its current size by eating another pygmywort. The effect ends if the creature eats a bigwig mushroom or is magically enlarged to its normal size (using the enlarge effect of an enlarge/reduce spell, for example).

Deck of Wonder

Magic Items The Book of Many Things

*Found only in a deck with twenty-two cards. Beginning. Your hit point maximum and current hit points increase by 2d10. Your hit point maximum remains increased in this way for the next 8 hours

death. You take 2d10 necrotic damage, and your hit point maximum is reduced by an amount equal to the damage taken. This effect can’t reduce your hit point maximum below 10 hit points. This

K: Shrine of Evil Chaos

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

K: Shrine of Evil Chaos The Cult of Chaos performs evil rites in this cave, subtly drawing monsters to inhabit the Caves of Chaos and bring strife to the Borderlands. The current cult leader is Ivlis

foul magic—at the shrine’s heart. You can add monsters, such as Cultists, to the cave to make this scenario longer and more difficult, or you can reduce the number of Skeletons or Zombies to make the scenario easier and shorter. Dario Jelusic

Ancient Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

Spellcasting Age Spell Save DC Spells Known Ancient Deep Dragon;Ancient 19 command, dissonant whispers, faerie fire, passwall, water breathing Deep Dragon Adventures The

first succeed on a DC 10 Constitution saving throw or be unable to reduce its level of exhaustion. Creatures immune to the poisoned condition are immune to this effect. Verdant Growth. Vegetation and

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

Spellcasting Age Spell Save DC Spells Known Adult Deep Dragon;Adult 16 command, dissonant whispers, faerie fire, water breathing Deep Dragon Adventures The Deep Dragon

lair, the creature must first succeed on a DC 10 Constitution saving throw or be unable to reduce its level of exhaustion. Creatures immune to the poisoned condition are immune to this effect

Sorcerer Spells

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

Blindness/Deafness Blur Cloud of Daggers Crown of Madness Darkness Darkvision Detect Thoughts Enhance Ability Enlarge/Reduce Gust of Wind Hold Person Invisibility Knock

Water Breathing Water Walk 4th Level Banishment Blight Confusion Dimension Door Dominate Beast Greater Invisibility Ice Storm Polymorph Stoneskin Wall of Fire 5th

Sorcerer Spells

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

Enlarge/Reduce Gust of Wind Hold Person Invisibility Knock Levitate Mirror Image Misty Step Scorching Ray See Invisibility Shatter Spider Climb Suggestion Web 3rd Level

Slow Stinking Cloud Tongues Water Breathing Water Walk 4th Level Banishment Blight Confusion Dimension Door Dominate Beast Greater Invisibility Ice Storm Polymorph

Random Obstacles

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

barrier to many characters but easily navigated by water-breathing creatures. Obstacles can affect more than one room. A chasm might run through several passages and chambers, or send cracks through

Obstacle 1 Antilife aura with a radius of 1d10 × 10 ft.; while in the aura, living creatures can’t regain hit points 2 Battering winds reduce speed by half, impose disadvantage on ranged attack rolls 3

Octopus

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

breath for 30 minutes. Underwater Camouflage. The octopus has advantage on Dexterity (Stealth) checks made while underwater. Water Breathing. The octopus can breathe only underwater. Actions

a significant current can disperse the ink. After releasing the ink, the octopus can use the Dash action as a bonus action.

Giant Octopus

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

water, the octopus can hold its breath for 1 hour. Underwater Camouflage. The octopus has advantage on Dexterity (Stealth) checks made while underwater. Water Breathing. The octopus can breathe

around the octopus if it is underwater. The area is heavily obscured for 1 minute, although a significant current can disperse the ink. After releasing the ink, the octopus can use the Dash action as a bonus action.

Octopus

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

hold its breath for 30 minutes. Underwater Camouflage. The octopus has advantage on Dexterity (Stealth) checks made while underwater. Water Breathing. The octopus can breathe only underwater

minute, although a significant current can disperse the ink. After releasing the ink, the octopus can use the Dash action as a bonus action.

Lair Features

Compendium - Sources->Dungeons & Dragons->Dragon Delves

cascading over two cliffs and pooling in area D6. The river’s origin and outflow are underground. The river is 15 feet deep and filled with fat, white fish that many inhabitants of the lair eat. Breathing

current pushes Large or smaller creatures swimming in it 10 feet farther along its flow at the end of the creature’s turn. Light Ice throughout the lair reflects even the smallest light, providing Dim Light throughout. Areas with campfires are bathed in Bright Light.

Spore Servant Octopus

Compendium - Sources->Dungeons & Dragons->Dragons of Stormwreck Isle

Spore Servant Octopus Spore servants are dead creatures reanimated by the magical spores of a myconid leader. The final act of the myconid leader in Seagrow Caves before lapsing into its current

1 hour. Water Breathing. The octopus can breathe only underwater. Actions Tentacles. Melee Weapon Attack: +5 to hit, reach 15 ft., one target. Hit: 7 (1d8 + 3) bludgeoning damage.

Sahuagin Hatchling Swarm

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

damage to itself at the end of its turn if it did not make an attack on that turn. This damage ignores resistance, and it cannot reduce the swarm to 0 hit points. Swarm. The swarm can occupy another

creature’s space and vice versa, and it can move through any opening large enough for a Tiny creature. The swarm can’t regain hit points or gain temporary hit points. Water Breathing. The swarm can

Create Homunculus

Compendium - Sources->Dungeons & Dragons->Xanathar's Guide to Everything

die and add your Constitution modifier to it. Your hit point maximum is reduced by the total, and the homunculus’s hit point maximum and current hit points are both increased by it. This process can

reduce you to no lower than 1 hit point, and the change to your and the homunculus’s hit points ends when you finish your next long rest. The reduction to your hit point maximum can’t be removed by any

Wizard Spells

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

Servant 2nd Level Alter Self Arcane Lock Blindness/Deafness Blur Continual Flame Darkness Darkvision Detect Thoughts Enlarge/Reduce Flaming Sphere Gentle Repose Gust of Wind

Cloud Tongues Vampiric Touch Water Breathing 4th Level Arcane Eye Banishment Blight Confusion Conjure Minor Elementals Control Water Dimension Door Fabricate Fire Shield

D&D Beyond

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