barrier breathe diffusing composed regain

Swarm of Piranhas

Monsters Monster Manual

Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny piranha. The swarm can’t regain Hit Points or gain

Temporary Hit Points. Water Breathing. The swarm can breathe only underwater.Bites. Melee Attack Roll: +5 (with Advantage if the target doesn’t have all its Hit Points), reach 5 ft. Hit: 8 (2d4

Otiluke's Resilient Sphere

Spells Player’s Handbook

physical objects, energy, or other spell effects—can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is immune to all damage, and a creature or

Forcecage

Spells Player’s Handbook

An immobile, Invisible, Cube-shaped prison composed of magical force springs into existence around an area you choose within range. The prison can be a cage or a solid box, as you choose. A prison

barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage’s area is

Aboleth

Monsters Monster Manual

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

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

Ring of Elemental Command

Magic Items Dungeon Master’s Guide

composed of rubble, rocks, or dirt isn’t Difficult Terrain for you. In addition, you can move through solid earth or rock as if those areas were Difficult Terrain without disturbing the matter

have Immunity to Fire damage. Ring of Elemental Command (Water);Water. You know Aquan, you gain a Swim Speed of 60 feet, and you can breathe underwater. Spellcasting. The ring has 5 charges and

Resilient Sphere Legacy

Spells Basic Rules (2014)

for the duration. Nothing--not physical objects, energy, or other spell effects--can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is immune to

Swarm of Quippers Legacy

Monsters Basic Rules (2014)

swarm can move through any opening large enough for a Tiny quipper. The swarm can't regain hit points or gain temporary hit points. Water Breathing. The swarm can breathe only underwater.Bite.. Melee

Forcecage Legacy

Spells Basic Rules (2014)

An immobile, invisible, cube-shaped prison composed of magical force springs into existence around an area you choose within range. The prison can be a cage or a solid box, as you choose. A prison

barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage's area is

Fazrian

Monsters Waterdeep: Dungeon of the Mad Mage

(spell save DC 20). The planetar can innately cast the following spells, requiring no material components: At will: detect evil and good, invisibility (self only) 3/day each: blade barrier, dispel evil

initiative count 20 on the next round. No creature within 120 feet of the planetar can regain hit points until the effect ends. Fazrian's eyes become smoldering black voids until initiative count 20

Fathomer

Monsters Princes of the Apocalypse

Shapechanger (2/Day). The fathomer can use its action to polymorph into a Medium serpent composed of water, or back into its true form. Anything the fathomer is wearing or carrying is subsumed into

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

Otiluke's Resilient Sphere Legacy

Spells Player’s Handbook (2014)

for the duration.Nothing—not physical objects, energy, or other spell effects—can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is

Sahuagin Hatchling Swarm

Monsters Ghosts of Saltmarsh

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

Kelek

Monsters The Wild Beyond the Witchlight

Special Equipment. Kelek wears bracers of defense and carries a staff of striking with 10 charges. The staff regains 1d6 + 4;{"diceNotation":"1d6+4","rollType":"roll","rollAction":"Regain expended

barrier of magical force. Until the end of his next turn, he gains a +5 bonus to AC, including against the triggering attack.Kelek is a greedy, narcissistic sociopath who revels in chaos but is a

Black Dragon Mask

Magic Items Tyranny of Dragons

already have immunity to acid damage from another source, whenever you are subjected to acid damage, you take none of that damage and regain a number of hit points equal to half the acid damage dealt

. You can speak and understand Draconic. You also have advantage on any Charisma check you make against black dragons. Legendary Resistance (1/Day). If you fail a saving throw, you can choose to succeed instead. Water Breathing. You can breathe underwater.

Green Dragon Mask

Magic Items Tyranny of Dragons

have immunity to poison damage. If you already have immunity to poison damage from another source, whenever you are subjected to poison damage, you take none of that damage and regain a number of hit

you fail a saving throw, you can choose to succeed instead. Water Breathing. You can breathe underwater.

Aboleth Legacy

Monsters Basic Rules (2014)

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

Suffocating Legacy

Rules

rounds equal to its Constitution modifier (minimum of 1 round). At the start of its next turn, it drops to 0 hit points and is dying, and it cannot regain hit points or be stabilized until it can breathe again.

Ring of Elemental Command Legacy

Magic Items Basic Rules (2014)

charges to cast dominate monster on an earth elemental. In addition, you can move in difficult terrain that is composed of rubble, rocks, or dirt as if it were normal terrain. You can also speak and

access to the following additional properties: You can breathe underwater and have a swimming speed equal to your walking speed. You can cast the following spells from the ring, expending the

Ashen Rider

Monsters Mythic Odysseys of Theros

spellcasting ability is Wisdom (spell save DC 18). The rider can innately cast the following spells, requiring no material components: At will: command, compelled duel 1/day each: banishment, blade barrier

"} to hit, range 120 ft., one creature. Hit: 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Bolt of Ash","rollDamageType":"necrotic"} necrotic damage, and the target can't regain hit

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

, it can’t regain hit points for 1 minute. The target can make a DC 15 Constitution saving throw at the end of each of its turns, ending this effect early on itself on a success. Caustic Bolt

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

Plasmoid

Species Spelljammer: Adventures in Space

consume food by osmosis, the way an amoeba does, and excrete waste through tiny pores. They breathe by absorbing oxygen through another set of pores, and their limbs are strong and flexible enough to

internal organs of the usual sort. Their bodies are composed of cells, fibers, plasma-like ooze, and clusters of nerves. These nerves enable a plasmoid to detect light, heat, texture, sound, pain, and

Mask of the Dragon Queen

Magic Items Tyranny of Dragons

source, whenever you are subjected to damage of that type, you take none of that damage and regain a number of hit points equal to half the damage dealt of that type. Draconic Majesty. While you are

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

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

Suffocating (p. 183)

Compendium - Sources->Dungeons & Dragons->Sage Advice & Errata

). At the start of its next turn, it drops to 0 hit points and is dying, and it can’t regain hit points or be stabilized until it can breathe again.”

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

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

Suffocating (p. 183)

Compendium - Sources->Dungeons & Dragons->Sage Advice & Errata

). At the start of its next turn, it drops to 0 hit points and is dying, and it can’t regain hit points or be stabilized until it can breathe again.”

Suffocating (p. 183)

Compendium - Sources->Dungeons & Dragons->Sage Advice & Errata

). At the start of its next turn, it drops to 0 hit points and is dying, and it can’t regain hit points or be stabilized until it can breathe again.”

M6. Immortality Ritual

Compendium - Sources->Dungeons & Dragons->Strixhaven: A Curriculum of Chaos

, he can take lair actions. Barrier. Murgaxor is surrounded by a barrier of arcane energy resembling a cocoon of writhing mud. While surrounded by this barrier, Murgaxor and the stones encircling him

can’t be targeted by attacks or spells. The barrier has AC 14; 200 hit points; resistance to bludgeoning, piercing, and slashing damage from nonmagical attacks; and immunity to poison and psychic

Wave

Compendium - Sources->Dungeons & Dragons->Locathah Rising

a bubble of air around your head. It allows you to breathe normally underwater. This bubble stays with you until you speak the command word again, the cap is removed, or you are no longer underwater

insuﬃcient charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier is centered on you, moves with you, and lasts

Suffocating

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

a number of rounds equal to its Constitution modifier (minimum of 1 round). At the start of its next turn, it drops to 0 hit points and is dying, and it can't regain hit points or be stabilized until

it can breathe again. For example, a creature with a Constitution of 14 can hold its breath for 3 minutes. If it starts suffocating, it has 2 rounds to reach air before it drops to 0 hit points.

Suffocating

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

a number of rounds equal to its Constitution modifier (minimum of 1 round). At the start of its next turn, it drops to 0 hit points and is dying, and it can't regain hit points or be stabilized until

it can breathe again. For example, a creature with a Constitution of 14 can hold its breath for 3 minutes. If it starts suffocating, it has 2 rounds to reach air before it drops to 0 hit points.

Suffocating

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

a number of rounds equal to its Constitution modifier (minimum of 1 round). At the start of its next turn, it drops to 0 hit points and is dying, and it can't regain hit points or be stabilized until

it can breathe again. For example, a creature with a Constitution of 14 can hold its breath for 3 minutes. If it starts suffocating, it has 2 rounds to reach air before it drops to 0 hit points.

Suffocating

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

a number of rounds equal to its Constitution modifier (minimum of 1 round). At the start of its next turn, it drops to 0 hit points and is dying, and it can't regain hit points or be stabilized until

it can breathe again. For example, a creature with a Constitution of 14 can hold its breath for 3 minutes. If it starts suffocating, it has 2 rounds to reach air before it drops to 0 hit points.

D&D Beyond

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