both breathe diffusing completely radius

Bead of Force

Magic Items Dungeon Master’s Guide

. The bead explodes in a 10-foot-radius Sphere on impact and is destroyed. Each creature in the Sphere must succeed on a DC 15 Dexterity saving throw or take 5d4 Force damage. A sphere of transparent

force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on the save or are partially within

Storm Giant

Monsters Monster Manual

Amphibious. The giant can breathe air and water.Multiattack. The giant makes two attacks, using Storm Sword or Thunderbolt in any combination. Storm Sword. Melee Attack Roll: +14;{"diceNotation

", "rollAction":"Lightning Storm"}. Dexterity Saving Throw: DC 18, each creature in a 10-foot-radius, 40-foot-high Cylinder originating from a point the giant can see within 500 feet. Failure: 55 (10d10

Adult Green Dragon

Monsters Monster Manual

Amphibious. The dragon can breathe air and water. Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes

creature in a 20-foot-radius Sphere centered on a point the dragon can see within 90 feet. Failure: 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Noxious Miasma", "rollDamageType

Ancient Green Dragon

Monsters Monster Manual

Amphibious. The dragon can breathe air and water. Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes

Throw: DC 21, each creature in a 30-foot-radius Sphere centered on a point the dragon can see within 90 feet. Failure: 17 (5d6);{"diceNotation":"5d6", "rollType":"damage", "rollAction":"Noxious Miasma

Ancient Bronze Dragon

Monsters Monster Manual

Amphibious. The dragon can breathe air and water. Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes

its Speed, and it makes one Rend attack. Thunderclap. Constitution Saving Throw: DC 22, each creature in a 20-foot-radius Sphere centered on a point the dragon can see within 120 feet. Failure: 13 (3d8

Adult Bronze Dragon

Monsters Monster Manual

Amphibious. The dragon can breathe air and water. Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes

one Rend attack. Thunderclap. Constitution Saving Throw: DC 17, each creature in a 20-foot-radius Sphere centered on a point the dragon can see within 90 feet. Failure: 10 (3d6);{"diceNotation":"3d6

Stinking Cloud Legacy

Spells Basic Rules (2014)

You create a 20-foot-radius sphere of yellow, nauseating gas centered on a point within range. The cloud spreads around corners, and its area is heavily obscured. The cloud lingers in the air for the

duration. Each creature that is completely within the cloud at the start of its turn must make a Constitution saving throw against poison. On a failed save, the creature spends its action that turn

Daylight Legacy

Spells Basic Rules (2014)

A 60-foot-radius sphere of light spreads out from a point you choose within range. The sphere is bright light and sheds dim light for an additional 60 feet. If you chose a point on an object you are

holding or one that isn't being worn or carried, the light shines from the object and moves with it. Completely covering the affected object with an opaque object, such as a bowl or a helm, blocks

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

damage, and the target is grappled (escape DC 10). Until this grapple ends, the octopus can't use its tentacles on another target. Ink Cloud (Recharges after a Short or Long Rest). A 5-foot-radius

Darkness Legacy

Spells Basic Rules (2014)

Magical darkness spreads from a point you choose within range to fill a 15-foot-radius sphere for the duration. The darkness spreads around corners. A creature with darkvision can't see through this

with it. Completely covering the source of the darkness with an opaque object, such as a bowl or a helm, blocks the darkness. If any of this spell's area overlaps with an area of light created by a spell of 2nd level or lower, the spell that created the light is dispelled.

Light Legacy

Spells Basic Rules (2014)

You touch one object that is no larger than 10 feet in any dimension. Until the spell ends, the object sheds bright light in a 20-foot radius and dim light for an additional 20 feet. The light can be

colored as you like. Completely covering the object with something opaque blocks the light. The spell ends if you cast it again or dismiss it as an action. If you target an object held or worn by a hostile creature, that creature must succeed on a Dexterity saving throw to avoid the spell.

Giant Octopus Legacy

Monsters Basic Rules (2014)

. The octopus can breathe only underwater.Tentacles. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Tentacles"} to hit, reach 15 ft., one target. Hit: 10 (2d6 + 3

ends, the target is restrained, and the octopus can't use its tentacles on another target. Ink Cloud (Recharges after a Short or Long Rest). A 20-foot-radius cloud of ink extends all around the octopus

Bead of Force Legacy

Magic Items Basic Rules (2014)

explodes on impact and is destroyed. Each creature within a 10-foot radius of where the bead landed must succeed on a DC 15 Dexterity saving throw or take 5d4 force damage. A sphere of transparent

force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on the save, or are partially

Darkmantle Legacy

Monsters Basic Rules (2014)

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

movement. Darkness Aura (1/Day). A 15-foot radius of magical darkness extends out from the darkmantle, moves with it, and spreads around corners. The darkness lasts as long as the darkmantle

Cloudkill Legacy

Spells Basic Rules (2014)

You create a 20-foot-radius sphere of poisonous, yellow-green fog centered on a point you choose within range. The fog spreads around corners. It lasts for the duration or until strong wind disperses

throw. The creature takes 5d8 poison damage on a failed save, or half as much damage on a successful one. Creatures are affected even if they hold their breath or don't need to breathe. The fog moves

Maegera the Dawn Titan

Monsters Storm King's Thunder

inch without squeezing if fire could pass through that space. Illumination. Maegera sheds bright light in a 120-foot radius and dim light for an additional 120 feet.Multiattack. Maegera makes three

);{"diceNotation":"2d10","rollType":"damage","rollAction":"Smoke Cloud","rollDamageType":"fire"} fire damage. The cloud lasts until the end of Maegera’s next turn. Creatures completely within the

Reduced-threat Darkmantle

Monsters Tales from the Yawning Portal

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

darkmantle can detach itself from the target by using 5 feet of movement. Darkness Aura (1/Day). A 15--foot radius of magical darkness extends out from the darkmantle, moves with it, and spreads around

Sahuagin Deep Diver

Monsters Ghosts of Saltmarsh

made while submerged in water. Limited Amphibiousness. The deep diver can breathe air and water, but it needs to be submerged at least once every 4 hours to avoid suffocating. Lure. The deep diver can

cause its lure to light up or darken at will. While the lure is lit, the deep diver sheds bright light in a 30-foot radius centered on itself and dim light for an additional 20 feet. Shark Telepathy

Whymsee (Kraken Priest Variant)

Monsters Locathah Rising

Amphibious. Whymsee can breathe air and water.Innate Spellcasting. Whymsee's spellcasting ability is Wisdom (spell save DC 13, +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Amphibious

expel an ink cloud in a 20-foot radius. The cloud spreads around corners, and that area is heavily obscured to creatures other than kraken priest;kraken priests or a kraken. Each creature other than a

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

feet of such a pool must succeed on a DC 15 Strength saving throw or be pulled up to 20 feet into the water and knocked prone. A cloud of swarming insects fills a 20-foot-radius sphere centered on a

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

or uses its Fling. Lightning Storm (Costs 2 Actions). The kraken uses Lightning Storm. Ink Cloud (Costs 3 Actions). While underwater, the kraken expels an ink cloud in a 60-foot radius. The cloud

Adult Bronze 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

radius centered on that point must make a DC 15 Constitution saving throw or take 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction":"Thunderclap","rollDamageType":"thunder"} thunder

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

of such a pool must succeed on a DC 15 Strength saving throw or be pulled up to 20 feet into the water and knocked prone. A cloud of swarming insects fills a 20-foot-radius sphere centered on a point

Ancient Bronze 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

radius centered on that point must make a DC 15 Constitution saving throw or take 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction":"Thunderclap","rollDamageType":"thunder"} thunder

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

successful save, the target escapes and enters the nearest unoccupied space. Mud Splash. The mud hulk lobs a mass of mud that splashes in a 10-foot-radius sphere centered on a point within 30 feet of the mud

Egg Hunter Adult

Monsters Fizban's Treasury of Dragons

Amphibious. The egg hunter can breathe air and water. False Appearance. If the egg hunter is motionless at the start of combat, it has advantage on its initiative roll. Moreover, if a creature

in a 30-foot-radius sphere centered on the egg hunter must succeed on a DC 14 Constitution saving throw or be poisoned for 1 minute. While poisoned in this way, the creature can take either an action

Adult Blue Dragon Legacy

Monsters Basic Rules (2014)

unable to breathe or stand up. A creature can take an action to make a DC 10 Strength check, ending the buried state on a success. A cloud of sand swirls about in a 20-foot-radius sphere centered on a

Yan-C-Bin

Monsters Princes of the Apocalypse

Long Rest). Yan-C- Bin unleashes a terrible thundercrack in a 100-foot-radius sphere centered on himself. All other creatures in the area must succeed on a DC 24 Constitution saving throw or take 31 (9d6

feet of him. The target must make a DC 21 Constitution saving throw. On a failed save, the target drops to 0 hit points and is dying. On a successful save, the target can’t breathe or speak

Ancient Blue Dragon Legacy

Monsters Basic Rules (2014)

unable to breathe or stand up. A creature can take an action to make a DC 10 Strength check, ending the buried state on a success. A cloud of sand swirls about in a 20-foot-radius sphere centered on

Adult Gold 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

creatures in the mist, warning such creatures of the danger. Gems and pearls within 1 mile of the dragon’s lair sparkle and gleam, shedding dim light in a 5-foot radius. If the dragon dies, these effects end immediately.Fire

Ancient Gold 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

-evil creatures in the mist, warning such creatures of the danger. Gems and pearls within 1 mile of the dragon’s lair sparkle and gleam, shedding dim light in a 5-foot radius. If the dragon dies, these effects end immediately.Fire

Storm Giant Tempest Caller

Monsters Bigby Presents: Glory of the Giants

Alert. The giant can’t be surprise;surprised, and it has advantage on initiative rolls. Amphibious. The giant can breathe air and water. Legendary Resistance (3/Day). If the giant fails a

Rune). The giant creates an elemental vortex that fills a 60-foot-radius sphere centered on itself. Each creature in that area other than the giant must make a DC 21 Dexterity saving throw. On a

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

when taken: Darkness (Costs 2 Actions). A 15-foot radius of magical darkness extends from a point Rezmir can see within 60 feet of her and spreads around corners. The darkness lasts as long as Rezmir

Gar Shatterkeel (Noncore)

Monsters Locathah Rising

Amphibious. Gar can breathe air and water. Legendary Resistance (3/Day). If Gar fails a saving throw, he can choose to succeed instead. Spellcasting. Gar is a 13th-level spellcaster. His

);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Umberlee's Wake"}. Power ripples out in a 60-foot radius sphere from a point within range (150 ft.) as the will of Umberlee affects all in her

Umbraxakar

Monsters Waterdeep: Dungeon of the Mad Mage

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

cloud spell. The fog lasts until initiative count 20 on the next round. A thunderclap originates at a point the dragon can see within 120 feet of it. Each creature within a 20-foot radius centered on

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