breathe becoming diffusing constantly 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

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

Eye and Hand of Vecna

Magic Items Dungeon Master’s Guide

Vecna the Archlich;Vecna was a mighty wizard who, through magic and conquest, forged a terrible empire. For all his power, however, Vecna feared death and took steps to prevent his demise by becoming

. 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

Biha Babir

Monsters Forgotten Realms: Adventures in Faerûn

Amphibious. Biha Babir can breathe air and water. Elemental Restoration. If Biha Babir dies outside the Elemental Plane of Water, her body dissolves into brine, and she gains a new body in 1d4

typically presents as a marid crowned in coral, with her lower half lengthening into a sinewy, eel-like tail. History Before becoming ruler of Maran Saya, Biha Babir worked as a spy. She has

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

Blasted Goggles

Magic Items The Book of Many Things

must succeed on a DC 15 Dexterity saving throw or take 3d6 fire damage. The goggles regain 1d3 expended charges daily at dawn. Cursed. The goggles are cursed, and becoming attuned to them extends the

Firenewt Warrior

Monsters Mordenkainen Presents: Monsters of the Multiverse

Amphibious. The firenewt can breathe air and water.Multiattack. The firenewt makes two Scimitar attacks. Scimitar. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction

the Elemental Plane of Fire, firenewts can be found on the Material Plane near hot springs and volcanoes. These amphibians need hot water to live, becoming sluggish after spending a week away from a

Firenewt Warlock of Imix

Monsters Mordenkainen Presents: Monsters of the Multiverse

Amphibious. The firenewt can breathe air and water. Devil’s Sight. Magical darkness doesn’t impede the firenewt’s darkvision. Imix’s Blessing. When the firenewt reduces an

, firenewts can be found on the Material Plane near hot springs and volcanoes. These amphibians need hot water to live, becoming sluggish after spending a week away from a source of moist heat. Firenewts

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

Fire Hellion

Monsters Bigby Presents: Glory of the Giants

":"fire"} fire damage. If the target is a creature, it can’t regain hit points until the start of the hellion’s next turn. Infernal Orb. The hellion hurls a magical ball of fire that explodes

, hoping to learn tactics the devils have fine-tuned over millennia and to acquire magical gifts to help the giant rise in the ordning. Over time, the giant is corrupted, becoming a Fiend in its own right

Mud Hulk

Monsters Bigby Presents: Glory of the Giants

the mud hulk’s space and be engulfed by the mud hulk. While engulfed, the target can’t breathe, has the restrained condition, and takes 6 (1d12);{"diceNotation":"1d12", "rollType":"damage

creatures of living mud. A mud hulk vaguely resembles its ancestors, but its body consists of wet mud that constantly sloughs off around it, creating thick pools of the stuff everywhere the creature

Hell Hound Cloak

Magic Items Tales from the Yawning Portal

spell, but you can use a bonus action to revert to your normal form. Curse. This cloak is cursed with the essence of a hell hound, and becoming attuned to it extends the curse to you. Until the curse

similar magic allows you to regain your identity and return to normal. If you remain in this permanent form for 6 days, only a wish spell can reverse the transformation.

Shrieking Greaves

Magic Items The Book of Many Things

charge to increase your walking speed by 30 feet, and you have advantage on Dexterity saving throws. These effects last for 1 minute. The greaves regain 1d3 expended charges daily at dawn. Curse. The

greaves are cursed, and becoming attuned to them extends the curse to you. You can’t remove the greaves or end your attunement to them until you are targeted by a Remove Curse spell or similar

Cloaker Mutate

Monsters Phandelver and Below: The Shattered Obelisk

poisoned condition for 1 minute. While poisoned in this way, a creature can’t regain hit points. Tail. Melee Weapon Attack: +8;{"diceNotation":"1d20+8", "rollType":"to hit", "rollAction":"Tail"} to

in this section are found in the preceding adventure, although other mutates exist. Some creatures are more prone to becoming Far Realm mutates, such as the cloaker and otyugh mutate;otyugh. Mutates

Mummy Lord Legacy

Monsters Basic Rules (2014)

, regaining all its hit points and becoming active again. The new body appears within 5 feet of the mummy lord's heart. Spellcasting. The mummy lord is a 10th-level spellcaster. Its spellcasting ability

","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

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.

Miska the Wolf-Spider

Monsters Vecna: Eve of Ruin

condition and 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 itself on a success. Trident of Chaos. Melee Weapon Attack

the planes and becoming known as the Rod of Seven Parts. The rod is the key to releasing Miska from his long imprisonment.Poison; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksCold, Fire

King Hekaton

Monsters Storm King's Thunder

Amphibious. Hekaton can breathe air and water.Multiattack. Hekaton makes two attacks with his broken chains. Broken Chain. Melee Weapon Attack: +14;{"diceNotation":"1d20+14","rollType":"to hit

;t answer prayers, and his divine offspring — the lesser giant gods — were out of touch, constantly waging war against one another on the Outer Planes. Hekaton came to believe that the giants were no longer the rightful masters of the world.Lightning, ThunderCold

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.

Diderius

Monsters Tyranny of Dragons

points and becoming active again. The new body appears within 5 feet of Diderius’s heart. Spellcasting. Diderius is a 10th-level spellcaster. His spellcasting ability is Intelligence (spell

"} 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

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.

Fungal Servant

Monsters Candlekeep Mysteries

intact, regaining all its hit points and becoming active again. The new body appears within 5 feet of the fungal servant’s heart. Spellcasting. The fungal servant is a 10th-level spellcaster. Its

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

Living Ship

Equipment

envelope becoming fouled during a long voyage. This ship’s main distinctive feature is the fully grown treant on the aft deck. The treant has a speed of 0 because its roots are woven into the

. When the treant finishes a long rest, it repairs the ship’s hull, enabling the ship to regain 4d12 hit points, and refreshes the ship’s air envelope (turning deadly air into foul air, or foul

Naiad

Monsters Mythic Odysseys of Theros

Amphibious. The naiad can breathe air and water. Invisible in Water. The naiad is invisible while fully immersed in water. Magic Resistance. The naiad has advantage on saving throws against spells

all others. Over time, such a resident nymph often becomes connected with their aquatic home through sightings and stories, becoming a guardian of the place and, in effect, a manifestation of its

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

souls of the insolent intruders to his tomb, magically transferring them to his phylactery. Liches who follow Acererak’s path believe that by becoming free of their bodies, they can continue

its existence. Few liches seek to become demiliches, for it means an end to the existence they hoped to preserve by becoming undead. However, time can erode the lich’s reason and memory, causing

Eldritch Lich

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

becoming an eldritch lich. Like other liches, eldritch liches are spellcasters who have cheated death, but an eldritch lich does so by allowing a Great Old One to implant a Far Realm parasite in the lich

a distorted form, robbed of most of its power. An eldritch lich constantly hears bizarre whispers from the Far Realm, to which the lich nods and mutters. Occasionally, the lich uses its telepathy to

Genasi Legacy

Species Elemental Evil Player's Companion

chip away at even a genasi’s sense of self, so they constantly push themselves to improve, honing their talents and perfecting their craft. Genasi Lands As rare beings, genasi might go their

audience. They rarely stay in one place for long, always looking for a new sky to see and breathe. Air genasi who don’t live in cities favor open lands such as plains, deserts, and high

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

(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.

Valin Sarnaster

Monsters Candlekeep Mysteries

, regaining all her hit points and becoming active again. Spellcasting. Valin Sarnaster is a 10th-level spellcaster. Her spellcasting ability is Wisdom (spell save DC 17, +9;{"diceNotation":"1d20+9

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

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

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

, regaining all its hit points and becoming active again. The new body appears within 5 feet of the mummy lord's heart. Spellcasting. The mummy lord is a 10th-level spellcaster. Its spellcasting ability

","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

Acererak

Monsters Tomb of Annihilation

after 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all his hit points and becoming active again. The new body appears within 5 feet of Acererak’s

targets one creature he can see within 60 feet of him. The target must succeed on a DC 23 Constitution saving throw or be cursed. Until the curse is ended, the target can’t regain hit points and

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

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

. Among the largest was the thessalkraken—a slightly smaller variant of the legendary kraken, resembling that great tentacled titan but with a jagged-toothed maw that drips constantly with

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