both breathing diffusing carried 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

Daern's Instant Fortress

Magic Items Dungeon Master’s Guide

in the area that aren’t being worn or carried are also pushed clear of the tower. The tower is 20 feet on a side and 30 feet high, with arrow slits on all sides and a battlement atop it. Its

Resistance to all other damage. Shrinking the tower back down to statuette form doesn’t repair damage to the tower. Only a Wish spell can repair the tower (this use of the spell counts as replicating a spell of level 8 or lower). Each casting of Wish causes the tower to regain all its Hit Points.

Eye and Hand of Vecna

Magic Items Dungeon Master’s Guide

space, each 5-foot square of slime representing a separate patch. Nonmagical objects worn or carried by the target that are made of metal or organic material are destroyed by the slime. Poison Immunity

. You have Immunity to Poison damage and the Poisoned condition. Regeneration. If you start your turn with at least 1 Hit Point, you regain 1d10 Hit Points. Wish. You can cast Wish. Once used, this

Mythal Touched

Feats Forgotten Realms: Heroes of Faerûn

the ability increased by this feat and your Proficiency Bonus. You can use this benefit a number of times equal to your Proficiency Bonus, and you regain all expended uses when you finish a Long Rest

if it was a spell attack. 18-19 Any flammable, nonmagical object within 10 feet of the triggering spell’s caster that isn’t being worn or carried by another creature bursts into

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

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

Instant Fortress Legacy

Magic Items Basic Rules (2014)

unoccupied space outside but next to the fortress. Objects in the area that aren't being worn or carried take this damage and are pushed automatically. The tower is made of adamantine, and its magic

. Only a wish spell can repair the fortress (this use of the spell counts as replicating a spell of 8th level or lower). Each casting of wish causes the roof, the door, or one wall to regain 50 hit points.

Mudslick Tower

Magic Items Phandelver and Below: The Shattered Obelisk

this way. The tower bristles with muddy knobs that constantly extrude and retract across its surface, as though the tower were breathing through a coating of thick mud. Each creature in the area where

unoccupied space outside but next to the tower. Objects in the area that aren’t being worn or carried take this damage and are pushed automatically. Whenever it expands, the mudslick tower

Daern's Instant Fortress Legacy

Magic Items Dungeon Master’s Guide (2014)

unoccupied space outside but next to the fortress. Objects in the area that aren't being worn or carried take this damage and are pushed automatically. The tower is made of adamantine, and its magic

. Only a wish spell can repair the fortress (this use of the spell counts as replicating a spell of 8th level or lower). Each casting of wish causes the roof, the door, or one wall to regain 50 hit points.

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.

Quavilithku Spyder-Fiend

Monsters Vecna: Eve of Ruin

condition for 1 minute. While poisoned in this way, a creature can’t regain hit points. A poisoned creature can repeat the saving throw at the end of each of its turns, ending the effect on

save or half as much damage on a successful one. Nonmagical objects in the area that aren’t being worn or carried take 44 (8d10);{"diceNotation":"8d10", "rollType":"damage", "rollAction

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.

Mummy Lord Legacy

Monsters Basic Rules (2014)

","rollDamageType":"necrotic"} necrotic damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can't regain hit points

, including ones behind barriers and around corners, can't regain hit points until the end of the mummy lord's next turn. Whirlwind of Sand (Costs 2 Actions). The mummy lord magically transforms into a

Fungal Servant

Monsters Candlekeep Mysteries

target can’t regain hit points, and its hit point maximum decreases by 10 3d6;{"diceNotation":"3d6","rollType":"roll","rollAction":"Hit Point Reduction"} for every 24 hours that elapse. If the

2 Actions). The fungal servant magically unleashes negative energy. Creatures within 60 feet of the fungal servant, including ones behind barriers and around corners, can’t regain hit points

Diderius

Monsters Tyranny of Dragons

"} necrotic damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can’t regain hit points, and its hit point maximum

(Costs 2 Actions). Diderius magically unleashes negative energy. Creatures within 60 feet of him, including ones behind barriers and around corners, can’t regain hit points until the end of his next

Valin Sarnaster

Monsters Candlekeep Mysteries

succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can’t regain hit points, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6

energy. Creatures within 60 feet of Valin, including ones behind barriers and around corners, can’t regain hit points until the end of Valin’s next turn. Whirlwind of Sand (Costs 2 Actions

Death Tyrant Legacy

Monsters Monster Manual (2014)

and whether the cone is active. Any creature in that area can’t regain hit points. Any humanoid that dies there becomes a zombie under the tyrant’s command. The dead humanoid retains its

until the tyrant is incapacitated. If the target is an object weighing 300 pounds or less that isn’t being worn or carried, it is moved up to 30 feet in any direction. The tyrant can also exert

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

","rollDamageType":"necrotic"} necrotic damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can't regain hit points

Negative Energy (Costs 2 Actions). The mummy lord magically unleashes negative energy. Creatures within 60 feet of the mummy lord, including ones behind barriers and around corners, can't regain hit

Yan-C-Bin

Monsters Princes of the Apocalypse

an unoccupied space he can see. Anything Yan-C-Bin is wearing or carrying is teleported with him. Suffocate (Costs 3 Actions). Yan-C-Bin steals the air of one breathing creature he can see within 60

. Small and Medium creatures move at half speed through the wind; Tiny creatures exposed to the wind are carried away with it at a rate of 40 feet per round unless they succeed at a DC 15 Strength

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

Mudslick Tower

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

must be empty to shrink in this way. The tower bristles with muddy knobs that constantly extrude and retract across its surface, as though the tower were breathing through a coating of thick mud. Each

, the creature is pushed to an unoccupied space outside but next to the tower. Objects in the area that aren’t being worn or carried take this damage and are pushed automatically. Whenever it expands, the

Mudslick Tower

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

must be empty to shrink in this way. The tower bristles with muddy knobs that constantly extrude and retract across its surface, as though the tower were breathing through a coating of thick mud. Each

, the creature is pushed to an unoccupied space outside but next to the tower. Objects in the area that aren’t being worn or carried take this damage and are pushed automatically. Whenever it expands, the

Mudslick Tower

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

must be empty to shrink in this way. The tower bristles with muddy knobs that constantly extrude and retract across its surface, as though the tower were breathing through a coating of thick mud. Each

, the creature is pushed to an unoccupied space outside but next to the tower. Objects in the area that aren’t being worn or carried take this damage and are pushed automatically. Whenever it expands, the

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

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

Swarm of Quippers

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

regain hit points or gain temporary hit points. Water Breathing. The swarm can breathe only underwater. Actions Bites. Melee Weapon Attack: +5 to hit, reach 0 ft., one creature in the swarm’s space

Swarm of Quippers

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

regain hit points or gain temporary hit points. Water Breathing. The swarm can breathe only underwater. Actions Bites. Melee Weapon Attack: +5 to hit, reach 0 ft., one creature in the swarm’s space

Swarm of Quippers

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

regain hit points or gain temporary hit points. Water Breathing. The swarm can breathe only underwater. Actions Bites. Melee Weapon Attack: +5 to hit, reach 0 ft., one creature in the swarm’s space

Ancient Topaz Dragon

Monsters Fizban's Treasury of Dragons

Actions). The dragon targets a creature or an object not being worn or carried that it can see within 60 feet of it. The target must succeed on a DC 19 Constitution saving throw or take 40 (9d8

infuses the lair until initiative count 20 on the next round. While the infusion lasts, creatures in the lair other than the dragon can’t regain hit points. Regional Effects The region

Drowned Ones