both before deafened cone reverts

Horn of Blasting

Magic Items Dungeon Master’s Guide

failed save, a creature takes 5d8 Thunder damage and has the Deafened condition for 1 minute. On a successful save, a creature takes half as much damage only. Glass or crystal objects in the Cone

You can take a Magic action to blow the horn, which emits a thunderous blast in a 30-foot Cone that is audible out to 600 feet. Each creature in the Cone makes a DC 15 Constitution saving throw. On a

Ancient Bronze Dragon

Monsters Monster Manual

breath", "rollDamageType":"Lightning"} Lightning damage. Success: Half damage. Repulsion Breath. Strength Saving Throw: DC 23, each creature in a 30-foot Cone. Failure: The target is pushed up to 60 feet

);{"diceNotation":"3d8", "rollType":"damage", "rollAction":"thunderclap", "rollDamageType":"Thunder"} Thunder damage, and the target has the Deafened condition until the end of its next turn.Lightning

Adult Bronze Dragon

Monsters Monster Manual

Breath", "rollDamageType":"Lightning"} Lightning damage. Success: Half damage. Repulsion Breath. Strength Saving Throw: DC 19, each creature in a 30-foot Cone. Failure: The target is pushed up to 60 feet

", "rollType":"damage", "rollAction":"Thunderclap", "rollDamageType":"Thunder"} Thunder damage, and the target has the Deafened condition until the end of its next turn.Lightning

Tarrasque

Monsters Monster Manual

", "rollAction":"Thunderous Bellow"}. Constitution Saving Throw: DC 27, each creature and each object that isn’t being worn or carried in a 150-foot Cone. Failure: 78 (12d12);{"diceNotation":"12d12

", "rollType":"damage", "rollAction":"Thunderous Bellow", "rollDamageType":"Thunder"} Thunder damage, and the target has the Deafened and Frightened conditions until the end of its next turn. Success

Elemental Cataclysm

Monsters Monster Manual

: Half damage. Failure or Success: The target starts burning.2: Freezing Waves. Strength Saving Throw: DC 23, each creature in a 90-foot Cone. Failure: 22 (5d8);{"diceNotation":"5d8", "rollType":"damage

cloud have the Blinded and Deafened conditions and can’t cast spells with a Verbal component. Dexterity Saving Throw: DC 23, each creature that enters the cloud for the first time on a turn or

Orb of Damara

Magic Items Forgotten Realms: Adventures in Faerûn

Cone. When you do, choose Acid, Cold, Fire, Lightning, or Poison. Each creature in the Cone makes a DC 18 Dexterity saving throw, taking 6d6;{"diceNotation":"6d6", "rollType":"roll", "rollAction

reverts to its original form and the orb reappears outside its body. Destroying the Orb. If an Ancient Gold Dragon willingly swallows the orb, the orb and the dragon are both destroyed.

Horn of Blasting Legacy

Magic Items Basic Rules (2014)

You can use an action to speak the horn's command word and then blow the horn, which emits a thunderous blast in a 30-foot cone that is audible 600 feet away. Each creature in the cone must make a DC

15 Constitution saving throw. On a failed save, a creature takes 5d6 thunder damage and is deafened for 1 minute. On a successful save, a creature takes half as much damage and isn't deafened

Oni Legacy

Monsters Basic Rules (2014)

, invisibility 1/day each: charm person, cone of cold, gaseous form, sleep Magic Weapons. The oni's weapon attacks are magical. Regeneration. The oni regains 10 hit points at the start of its turn if it

that is transformed is its glaive, which shrinks so that it can be wielded in humanoid form. If the oni dies, it reverts to its true form, and its glaive reverts to its normal size.

Hollyphant

Monsters Baldur’s Gate: Descent into Avernus

","rollDamageType":"thunder"} thunder damage and is deafened for 1 minute. On a successful save, a creature takes half as much damage and isn't deafened. Nonmagical objects in the cone that aren't being held

, creating a trumpet sound that can be heard out to a range of 600 feet. The trumpet also creates a 30-foot cone of energy that has one of the following effects, chosen by the hollyphant: Trumpet of Blasting

Ancient Bronze Dragon Legacy

Monsters Basic Rules (2014)

, or half as much damage on a successful one. Repulsion Breath. The dragon exhales repulsion energy in a 30-foot cone. Each creature in that area must succeed on a DC 23 Strength saving throw. On a

into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its

Adult Bronze Dragon Legacy

Monsters Basic Rules (2014)

, or half as much damage on a successful one. Repulsion Breath. The dragon exhales repulsion energy in a 30-foot cone. Each creature in that area must succeed on a DC 19 Strength saving throw. On a

its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its

Werebat

Monsters Waterdeep: Dungeon of the Mad Mage

size, are the same in each form. Any equipment it is wearing or carrying isn’t transformed. It reverts to its true form if it dies. Echolocation (Bat or Hybrid Form Only). The werebat has

blindsight out to a range of 60 feet as long as it’s not deafened. Keen Hearing. The werebat has advantage on Wisdom (Perception) checks that rely on hearing. Nimble Escape (Humanoid Form Only). The

Umbraxakar

Monsters Waterdeep: Dungeon of the Mad Mage

Umbraxakar’s control. Repulsion Breath. The dragon exhales repulsion energy in a 30-foot cone. Each creature in that area must succeed on a DC 19 Strength saving throw. On a failed save, the

reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its alignment, hit points, Hit

Howler Legacy

Monsters Mordenkainen’s Tome of Foes

"}. The howler emits a keening howl in a 60-foot cone. Each creature in that area that isn't deafened must succeed on a DC 16 Wisdom saving throw or be frightened until the end of the howler's next turn

Ancient Silver Dragon Legacy

Monsters Basic Rules (2014)

uses one of the following breath weapons. Cold Breath. The dragon exhales an icy blast in a 90-foot cone. Each creature in that area must make a DC 24 Constitution saving throw, taking 67 (15d8

exhales paralyzing gas in a 90-foot cone. Each creature in that area must succeed on a DC 24 Constitution saving throw or be paralyzed for 1 minute. A creature can repeat the saving throw at the end of each

Adult Silver Dragon Legacy

Monsters Basic Rules (2014)

of the following breath weapons. Cold Breath. The dragon exhales an icy blast in a 60-foot cone. Each creature in that area must make a DC 20 Constitution saving throw, taking 58 (13d8

paralyzing gas in a 60-foot cone. Each creature in that area must succeed on a DC 20 Constitution saving throw or be paralyzed for 1 minute. A creature can repeat the saving throw at the end of each of its

Lhammaruntosz

Monsters Sleeping Dragon’s Wake

"} lightning damage on a failed save, or half as much damage on a successful one. Repulsion Breath. Lhammaruntosz exhales repulsion energy in a 30-foot cone. Each creature in that area must succeed on

rating no higher than her own, or back into her true form. She reverts to her true form if she dies. Any equipment she is wearing or carrying is absorbed or borne by the new form (Lhammaruntosz's choice

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

":"recharge","rollAction":"Breath Weapons"}. The dragon uses one of the following breath weapons. Fire Breath. The dragon exhales fire in a 90-foot cone. Each creature in that area must make a DC 24

one. Weakening Breath. The dragon exhales gas in a 90-foot cone. Each creature in that area must succeed on a DC 24 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

","rollAction":"Breath Weapons"}. The dragon uses one of the following breath weapons. Fire Breath. The dragon exhales fire in a 60-foot cone. Each creature in that area must make a DC 21 Dexterity

. Weakening Breath. The dragon exhales gas in a 60-foot cone. Each creature in that area must succeed on a DC 21 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength checks

"The Demogorgon"

Monsters Infernal Machine Rebuild

Two Heads. The ettin has advantage on Wisdom (Perception) checks and on saving throws against being blinded, charmed, deafened, frightened, stunned, and knocked unconscious. Wakeful. When one of the

"}. The ettin’s right head exhales fire in a 30-foot cone. Each creature in that area must make a DC 14 Dexterity saving throw, taking 45 (10d8);{"diceNotation":"10d8","rollType":"damage

Staff of Ruling

Magic Items Quests from the Infinite Staircase

location. If you use a bonus action to speak the command word again, or if the snake is reduced to 0 hit points, the snake reverts to staff form in its current space. Thunderclap. You point the

staff skyward, producing a fearsome thunderclap. Each creature of your choice in a 30-foot-radius sphere centered on you must succeed on a DC 15 Constitution saving throw or have the deafened and frightened conditions until the end of your next turn.

Unspeakable Horror (Aberrant Armor)

Monsters Van Richten’s Guide to Ravenloft

Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Hex Blast"}. The horror expels necrotic energy in a 30-foot cone. Each creature in that area must make a DC 15

-foot cone. Each creature in that area must succeed on a DC 15 Constitution saving throw or take 14 (4d6);{"diceNotation":"4d6","rollType":"damage","rollAction":"Petrifying Hex","rollDamageType":"necrotic

Stalagma Steelshadow

Monsters Waterdeep: Dungeon of the Mad Mage

exhales paralyzing gas in a 60-foot cone. Each creature in that area must succeed on a DC 20 Constitution saving throw or be paralyzed for 1 minute. A creature can repeat the saving throw at the end of

its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its

Unspeakable Horror (Loathsome Limbs)

Monsters Van Richten’s Guide to Ravenloft

a 30-foot cone. Each creature in that area must make a DC 15 Constitution saving throw, taking 45 (7d12);{"diceNotation":"7d12","rollType":"damage","rollAction":"Hex Blast","rollDamageType":"necrotic

","rollAction":"Petrifying Hex"}. The horror expels petrifying gas in a 30-foot cone. Each creature in that area must succeed on a DC 15 Constitution saving throw or take 14 (4d6);{"diceNotation":"4d6

Unspeakable Horror (Oozing Organs)

Monsters Van Richten’s Guide to Ravenloft

its next turn. Hex Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Hex Blast"}. The horror expels necrotic energy in a 30-foot cone. Each creature in that area must

petrifying gas in a 30-foot cone. Each creature in that area must succeed on a DC 15 Constitution saving throw or take 14 (4d6);{"diceNotation":"4d6","rollType":"damage","rollAction":"Petrifying Hex

Ancient Brass Dragon Legacy

Monsters Basic Rules (2014)

exhales sleep gas in a 90-foot cone. Each creature in that area must succeed on a DC 21 Constitution saving throw or fall unconscious for 10 minutes. This effect ends for a creature if the creature takes

reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its alignment, hit points, Hit

Hoard Mimic

Monsters Fizban's Treasury of Dragons

mist of acid in a 30-foot cone. Each creature in that area must make a DC 14 Dexterity saving throw. On a failed save, the creature takes 27 (6d8);{"diceNotation":"6d8", "rollType":"damage", "rollAction

. The mimic transforms into a hoard or back into its true, amorphous form. Its statistics are the same in each form. Any equipment it is wearing or carrying isn’t transformed. It reverts to its

Dracohydra

Monsters Fizban's Treasury of Dragons

Multiple Heads. The dracohydra has five heads. While it has more than one head, the dracohydra has advantage on saving throws against being blinded, charmed, deafened, frightened, stunned, and

in a 60-foot cone. Each creature in that area must make a DC 17 Dexterity saving throw. On a failed save, the creature takes 33 (6d10) damage of a type chosen by the dracohydra: acid;{"diceNotation

Unspeakable Horror (Malleable Mass)

Monsters Van Richten’s Guide to Ravenloft

Blast"}. The horror expels necrotic energy in a 30-foot cone. Each creature in that area must make a DC 15 Constitution saving throw, taking 45 (7d12);{"diceNotation":"7d12","rollType":"damage

);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Petrifying Hex"}. The horror expels petrifying gas in a 30-foot cone. Each creature in that area must succeed on a DC 15 Constitution saving throw

Unspeakable Horror

Monsters Van Richten’s Guide to Ravenloft

turn. Hex Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Hex Blast"}. The horror expels necrotic energy in a 30-foot cone. Each creature in that area must make a DC 15

a 30-foot cone. Each creature in that area must succeed on a DC 15 Constitution saving throw or take 14 (4d6);{"diceNotation":"4d6","rollType":"damage","rollAction":"Petrifying Hex","rollDamageType

Ancient Copper Dragon Legacy

Monsters Basic Rules (2014)

exhales gas in a 90-foot cone. Each creature in that area must succeed on a DC 22 Constitution saving throw. On a failed save, the creature can't use reactions, its speed is halved, and it can't make more

its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the

Euryale

Monsters The Book of Many Things

statistics are the same in each form except where noted in this stat block. Any equipment she is wearing or carrying isn’t transformed. Euryale reverts to her medusa form if she dies. Petrifying

Gaze (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Petrifying Gaze"}. Euryale unleashes petrifying magic from her eyes in a 30-foot cone. Each creature in that area must

Horn of Blasting

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

. Each creature in the cone must make a DC 15 Constitution saving throw. On a failed save, a creature takes 5d6 thunder damage and is deafened for 1 minute. On a successful save, a creature takes half as

Horn of Blasting Wondrous item, rare You can use an action to speak the horn’s command word and then blow the horn, which emits a thunderous blast in a 30-foot cone that is audible 600 feet away

Horn of Blasting

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

. Each creature in the cone must make a DC 15 Constitution saving throw. On a failed save, a creature takes 5d6 thunder damage and is deafened for 1 minute. On a successful save, a creature takes half as

Horn of Blasting Wondrous item, rare You can use an action to speak the horn’s command word and then blow the horn, which emits a thunderous blast in a 30-foot cone that is audible 600 feet away

Sibriex

Monsters Mordenkainen Presents: Monsters of the Multiverse

;25 The target’s eyes become beacons, filling a 15-foot cone with dim light when they are open. 26–30 A pair of wings, either feathered or leathery, sprout from the target’s

back, granting it a flying speed of 30 feet. 31–35 The target’s ears tear free from its head and scurry away; the target is deafened. 36–40 Two of the target’s teeth

D&D Beyond

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