breathe barriers diffusing contiguous remains

Mordenkainen's Magnificent Mansion

Spells Player’s Handbook

cast the spell can enter the extradimensional dwelling as long as the door remains open. You can open or close it (no action required) if you are within 30 feet of it. While closed, the door is

can’t exceed 50 contiguous 10-foot Cube;Cubes. The place is furnished and decorated as you choose. It contains sufficient food to serve a nine-course banquet for up to 100 people. Furnishings

Iron Flask

Magic Items Dungeon Master’s Guide

on the save. Once trapped, a creature remains in the flask until released. The flask can hold only one creature at a time. A creature trapped in the flask doesn’t age and doesn’t need to

breathe, eat, or drink. You can take a Magic action to remove the flask’s stopper and release the creature in the flask. The creature then obeys your commands for 1 hour, understanding those

Rod of Lordly Might

Magic Items Dungeon Master’s Guide

ram and grants its user a +10 bonus to Strength (Athletics) checks made to break through doors, barricades, and other barriers. Button 6. The rod assumes or remains in its normal form and indicates

Cloaker Legacy

Monsters Basic Rules (2014)

Damage Transfer. While attached to a creature, the cloaker takes only half the damage dealt to it (rounded down), and that creature takes the other half. False Appearance. While the cloaker remains

Large or smaller, the cloaker attaches to it. If the cloaker has advantage against the target, the cloaker attaches to the target's head, and the target is blinded and unable to breathe while the cloaker

Kalka-Kylla

Monsters Tales from the Yawning Portal

Amphibious. Kalka-Kylla can breathe air and water. False Appearance. While Kalka-Kylla remains motionless and hidden in its shell, it is indistinguishable from a polished boulder. Shell. Kalka-Kylla

Hulking Crab

Monsters Storm King's Thunder

Amphibious. The crab can breathe air and water. Shell Camouflage. While the crab remains motionless with its eyestalks and pincers tucked close to its body, it resembles a natural formation or a

Slithering Tracker Legacy

Monsters Volo's Guide to Monsters

takes only half the damage dealt to it, and the creature it is grappling takes the other half. False Appearance. While the slithering tracker remains motionless, it is indistinguishable from a puddle

a DC 13 Dexterity saving throw or be grappled (escape DC 13). Until this grapple ends, the target is restrained and unable to breathe unless it can breathe water. In addition, the grappled target

Darkmantle Legacy

Monsters Basic Rules (2014)

Echolocation. The darkmantle can’t use its blindsight while deafened. False Appearance. While the darkmantle remains motionless, it is indistinguishable from a cave formation such as a

the attack roll, it attaches by engulfing the target’s head, and the target is also blinded and unable to breathe while the darkmantle is attached in this way. While attached to the target, the

Animated Armor Detention Drone

Monsters The Book of Many Things

’s spell save DC or fall unconscious for 1 minute. False Appearance. While the drone remains motionless, it is indistinguishable from a normal suit of armor.Multiattack. The drone makes two melee

must succeed on a DC 15 Constitution saving throw or be encased in the orb, which expands to a size just large enough to contain the creature. While encased, the creature doesn’t need to breathe

Kelpie

Monsters Tales from the Yawning Portal

Amphibious. The kelpie can breathe air and water. Seaweed Shape. The kelpie can use its action to reshape its body into the form of a humanoid or beast that is Small, Medium, or Large. Its

kelpie returns to its true form if it takes a bonus action to do so or if it dies. False Appearance. While the kelpie remains motionless in its true form, it is indistinguishable from normal

Boneless

Monsters Van Richten’s Guide to Ravenloft

attached, the target is blinded and is unable to breathe. The target must succeed on a DC 13 Strength saving throw at the start of each of the boneless’ turns or take 5 (1d4 + 3);{"diceNotation":"1d4

DC 13 Strength check. When the boneless dies, it detaches from any creature it is attached to.Not all animate corpses shamble from their graves. Boneless are undead remains devoid of skeletons. Most

Helmed Horror Detention Drone

Monsters The Book of Many Things

encased, the creature doesn’t need to breathe, eat, or drink, and it doesn’t age. Nothing can pass through the orb, nor can any creature teleport or use planar travel to enter or exit the

remains intact until the drone spends an action to end the effect or the drone is destroyed. A drone can have only one detention orb active at a time; if the drone creates a detention orb when it

Iron Flask Legacy

Magic Items Basic Rules (2014)

throw. Once trapped, a creature remains in the flask until released. The flask can hold only one creature at a time. A creature trapped in the flask doesn't need to breathe, eat, or drink and doesn't

Reduced-threat Darkmantle

Monsters Tales from the Yawning Portal

Echolocation. The darkmantle can't use its blindsight while deafened. False Appearance. While the darkmantle remains motionless, it is indistinguishable from a cave formation such as a stalactite or

target. If the target is Medium or smaller and the darkmantle has advantage on the attack roll, it attaches by engulfing the target's head, and the target is also blinded and unable to breathe while

Quadrone Detention Drone

Monsters The Book of Many Things

DC 15 Constitution saving throw or be encased in the orb, which expands to a size just large enough to contain the creature. While encased, the creature doesn’t need to breathe, eat, or drink

up to 30 feet in any direction. A successful casting of the Dispel Magic spell on the orb (DC 15) destroys it. The orb otherwise remains intact until the drone spends an action to end the effect or

Rod of Lordly Might Legacy

Magic Items Basic Rules (2014)

battering ram and grants its user a +10 bonus to Strength checks made to break through doors, barricades, and other barriers. If you press button 6, the rod assumes or remains in its normal form and

Ancient Black 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

the dragon chooses within 120 feet of it. The cloud spreads around corners and remains until the dragon dismisses it as an action, uses this lair action again, or dies. The cloud is lightly obscured

Wastrilith Legacy

Monsters Mordenkainen’s Tome of Foes

Amphibious. The wastrilith can breathe air and water. Corrupt Water. At the start of each of the wastrilith’s turns, exposed water within 30 feet of it is befouled. Underwater, this effect

lightly obscures the area until a current clears it away. Water in containers remains corrupted until it evaporates. A creature that consumes this foul water or swims in it must make a DC 18

Adult Black 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

point the dragon chooses within 120 feet of it. The cloud spreads around corners and remains until the dragon dismisses it as an action, uses this lair action again, or dies. The cloud is lightly

Miirym

Monsters Candlekeep Mysteries

unable to break the enchantment that bound her. Time passed and so did Miirym, whose corpse has long since crumbled into dust. Unfortunately for Miirym, the enchantment remains in effect on her spirit

role as Candlekeep’s defender, Miirym can move anywhere within the library fortress, passing through walls and other solid barriers. She can’t enter extradimensional spaces, since they

Slithering Tracker

Monsters Mordenkainen Presents: Monsters of the Multiverse

within 5 feet of it must succeed on a DC 13 Dexterity saving throw or be grappled (escape DC 13). Until this grapple ends, the target is restrained and unable to breathe unless it can breathe water. In

’s body, killing it. Yet the subject’s mind lives on in the puddle that issues forth from the remains, and so too does its insatiable need for retribution. A slithering tracker tastes the

Advanced Detention Drone

Monsters The Book of Many Things

enough to contain the creature. While encased, the creature doesn’t need to breathe, eat, or drink, and it doesn’t age. Nothing can pass through the orb, nor can any creature teleport or use

) destroys it. The orb otherwise remains intact until the drone spends an action to end the effect or the drone is destroyed. A drone can have only one detention orb active at a time; if the drone

Nereid

Monsters Tales from the Yawning Portal

Amphibious. The nereid can breathe air and water. Aquatic Invisibility. If immersed in water, the nereid can make itself invisible as a bonus action. It remains invisible until it leaves the water

Alhoon

Monsters Mordenkainen Presents: Monsters of the Multiverse

that path is long and fraught with barriers. Alhoons are mind flayers who have used a shortcut to attain a lichlike state. Elder brains forbid mind flayers from pursuing magic power aside from psionics

. However, wizardry remains a temptation. In the pages of a spellbook, an illithid sees a system to acquire authority. Through the writings of the wizard who penned it, the illithid perceives the workings of

Sahuagin Wave Shaper

Monsters Ghosts of Saltmarsh

Blood Frenzy. The wave shaper has advantage on melee attack rolls against any creature that doesn't have all its hit points. Limited Amphibiousness. The wave shaper can breathe air and water, but it

(Athletics) check to do so. The first time each turn that an object enters the vortex, the object takes 9 (2d8);{"diceNotation":"2d8","rollType":"damage","rollDamageType":"bludgeoning"} bludgeoning damage. This damage occurs each round it remains in the vortex.

Imprisonment Legacy

Spells Basic Rules (2014)

if you cast it again. While affected by this spell, the creature doesn't need to breathe, eat, or drink, and it doesn't age. Divination spells can't locate or perceive the target. When you cast the

other creatures to see in), but nothing else can pass through, even by means of teleportation or planar travel. The gemstone can't be cut or broken while the spell remains in effect. The special

Wastrilith

Monsters Mordenkainen Presents: Monsters of the Multiverse

Amphibious. The wastrilith can breathe air and water. Corrupt Water. At the start of each of the wastrilith’s turns, exposed water within 30 feet of it is befouled. Underwater, this effect

lightly obscured;lightly obscures the area until a current clears it away. Water in containers remains corrupted until it evaporates. A creature that consumes this foul water or swims in it must make a

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

elements needed to pursue a trade. While this allows the plasmid to “serve as a tool,” the plasmid remains a Large creature; it essentially becomes a workbench, with individual smaller tools

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

personality. Aquatic Collectors. Curious by nature, naiads often seek out what the seas and rivers claim. As a result, they might be found among sunken ruins and shipwrecks, sifting through the remains

Shield Guardian Detention Drone

Monsters The Book of Many Things

contain the creature. While encased, the creature doesn’t need to breathe, eat, or drink, and it doesn’t age. Nothing can pass through the orb, nor can any creature teleport or use planar

it. The orb otherwise remains intact until the drone spends an action to end the effect or the drone is destroyed. A drone can have only one detention orb active at a time; if the drone creates a

Valin Sarnaster

Monsters Candlekeep Mysteries

Magic Resistance. Valin has advantage on saving throws against spells and other magical effects. Rejuvenation. While her heart remains in Alessia’s body, Valin re-forms inside her sarcophagus

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

Nurvureem

Monsters Princes of the Apocalypse

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. Living Shadow. While in dim light or darkness

centered on a point the dragon chooses within 120 feet of it. The cloud spreads around corners and remains until the dragon dismisses it as an action, uses this lair action again, or dies. The cloud is

Powered Armor

equipment

armor, even when it has 0 charges remaining. Activating the Armor. As an action, you can expend any number of the armor’s charges to activate it; the armor remains active for 1 hour per charge

Physicality. You have advantage on Strength checks, and your carrying capacity is doubled. Environmental Adaptation. The armor seals airtight and provides its own atmosphere. You can breathe normally in

Kobold Inventor Legacy

Monsters Volo's Guide to Monsters

kobold throws a clay pot into a 5-foot-square space within 20 feet of it, and it breaks open on impact. A swarm of rot grubs emerges from the shattered pot and remains a hazard in that square. Scorpion

doesn’t need to breathe or is immune to poison automatically succeeds on the saving throw. Once the skunk has sprayed its musk, it can’t do so again until it finishes a short or long rest

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

acid.A Thessalkraken’s Lair A thessalkraken lives in the dark depths, usually a sunken rift or a cavern filled with detritus, treasure, and the remains of sacrificial victims. Lair Actions On

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