blast button during cone rolls

Horn of Blasting

Magic Items Dungeon Master’s Guide

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

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

Rod of Lordly Might

Magic Items Dungeon Master’s Guide

on a hit. Button 2. The rod’s flanged head folds down and two crescent-shaped blades spring out, transforming the rod into a magic Battleaxe that grants a +3 bonus to attack rolls and damage

rolls made with it. Button 3. The rod’s flanged head folds down, a spear point springs from the rod’s tip, and the rod’s handle lengthens into a 6-foot haft, transforming the rod into

Mind Flayer

Monsters Monster Manual

);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Mind Blast"}. Intelligence Saving Throw: DC 15, each creature in a 60-foot Cone. Failure: 31 (6d8 + 4);{"diceNotation":"6d8+4", "rollType":"damage

":"Piercing"} Piercing damage. Success: Half damage. Failure or Success: If this damage reduces the target to 0 Hit Points, the mind flayer kills it and devours its brain. Mind Blast (Recharge 5–6

Cone of Cold

Spells Player’s Handbook

You unleash a blast of cold air. Each creature in a 60-foot Cone originating from you makes a Constitution saving throw, taking 8d8 Cold damage on a failed save or half as much damage on a successful

Gold Dragon Wyrmling

Monsters Monster Manual

":"recharge", "rollAction":"Fire Breath"}. Dexterity Saving Throw: DC 13, each creature in a 15-foot Cone. Failure: 22 (4d10);{"diceNotation":"4d10", "rollType":"damage", "rollAction":"Fire Breath

", "rollDamageType":"Fire"} Fire damage. Success: Half damage. Weakening Breath. Strength Saving Throw: DC 13, each creature that isn’t currently affected by this breath in a 15-foot Cone. Failure

Young Gold Dragon

Monsters Monster Manual

damage. Fire Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Fire Breath"}. Dexterity Saving Throw: DC 17, each creature in a 30-foot Cone. Failure: 55 (10d10

’t currently affected by this breath in a 30-foot Cone. Failure: The target has Disadvantage on Strength-based D20 Test;D20 Tests and subtracts 3 (1d6);{"diceNotation":"1d6", "rollType":"roll

Steam Mephit

Monsters Monster Manual

Blurred Form. Attack rolls against the mephit are made with Disadvantage unless the mephit has the Incapacitated condition. Death Burst. The mephit explodes when it dies. Dexterity Saving Throw: DC

);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Steam Breath"}. Constitution Saving Throw: DC 10, each creature in a 15-foot Cone. Failure: 5 (2d4);{"diceNotation":"2d4", "rollType":"damage

Staff of Power

Magic Items Dungeon Master’s Guide

This staff has 20 charges and can be wielded as a magic Quarterstaff that grants a +2 bonus to attack rolls and damage rolls made with it. While holding it, you gain a +2 bonus to Armor Class, saving

throws, and spell attack rolls. Spells. While holding the staff , you can cast one of the spells on the following table from it, using your spell save DC. The table indicates how many charges you

Abominable Yeti

Monsters Monster Manual

Fear of Fire. If the yeti takes Fire damage, it has Disadvantage on attack rolls and ability checks until the end of its next turn.Multiattack. The yeti can use its Chilling Gaze and makes two

’s Chilling Gaze for 1 hour. Cold Breath (Recharge 6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Cold Breath"}. Constitution Saving Throw: DC 18, each creature in a 30-foot Cone

Umber Hulk

Monsters Monster Manual

":"Slashing"} Slashing damage.Confusing Gaze (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Confusing Gaze"}. Wisdom Saving Throw: DC 14, each creature in a 30-foot Cone

. Failure: The target can’t take Reactions until the start of the umber hulk’s next turn, and the target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Confusing Gaze"} to

Ancient Copper Dragon

Monsters Monster Manual

. Constitution Saving Throw: DC 22, each creature in a 90-foot Cone. Failure: The target can’t take Reactions; its Speed is halved; and it can take either an action or a Bonus Action on its turn

turn, the target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test

Adult Gold Dragon

Monsters Monster Manual

"}.Dexterity Saving Throw: DC 21, each creature in a 60-foot Cone. Failure: 66 (12d10);{"diceNotation":"12d10", "rollType":"damage", "rollAction":"Fire Breath", "rollDamageType":"Fire"} Fire damage

, each creature that isn’t currently affected by this breath in a 60-foot Cone. Failure: The target has Disadvantage on Strength-based D20 Test;D20 Tests and subtracts 3 (1d6);{"diceNotation":"1d6

Ancient Gold Dragon

Monsters Monster Manual

Breath"}. Dexterity Saving Throw: DC 24, each creature in a 90-foot Cone. Failure: 71 (13d10);{"diceNotation":"13d10", "rollType":"damage", "rollAction":"Fire Breath", "rollDamageType":"Fire"} Fire

Weakening Breath. Strength Saving Throw: DC 24, each creature that isn’t currently affected by this breath in a 90-foot Cone. Failure: The target has Disadvantage on Strength-based D20 Test;D20 Tests

Adult Copper Dragon

Monsters Monster Manual

. Constitution Saving Throw: DC 18, each creature in a 60-foot Cone. Failure: The target can’t take Reactions; its Speed is halved; and it can take either an action or a Bonus Action on its turn

rolls 1d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test. Failure or

Beholder

Monsters Monster Manual

and rolls a 1 has the Prone condition. If the beholder dies or moves its lair elsewhere, these effects end immediately.Antimagic Cone. The beholder’s central eye emits an antimagic wave in a

150-foot Cone. Until the start of the beholder’s next turn, that area acts as an Antimagic Field spell, and that area works against the beholder’s own Eye Rays.

Spiked Shield

Magic Items Stranger Things: Welcome to the Hellfire Club

Crude metal spikes adorn this magic Shield. It has the following properties that you can use while holding it. Shield Bash. When you take the Attack action, you can make one of the attack rolls

Strength modifier. Spike Salvo. As a Magic action, you can cause spikes to erupt from the Shield in a 30-foot Cone. Each creature in the Cone makes a DC 13 Dexterity saving throw, taking 3d6 Piercing

Valindra Shadowmantle

Monsters Forgotten Realms: Adventures in Faerûn

, Prestidigitation 2/Day Each: Animate Dead, Plane Shift 1/Day Each: Cone of Cold (level 8 version), Finger of Death, Power Word Kill, ScryingProtective Magic. Valindra casts Counterspell or Shield in response

and using the same spellcasting ability as her Spellcasting action. Apathy. Creatures within 1 mile of the lair that aren’t Undead have Disadvantage on Death Saving Throws and Initiative rolls

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

Breastplate of Kamvuul Norek

magic-items

against you becomes a normal hit, and you have Advantage on Saving Throw;saving throws against spells and other magical effects. Additionally, if you succeed on a saving throw against the Mind Blast

ability of a Mind Flayer or other Aberration, you are unaffected, and the effect is reflected back toward the Aberration as if the cone originated from you, including the Aberration in its area of effect.

Rod of Lordly Might Legacy

Magic Items Basic Rules (2014)

battleaxe that grants a +3 bonus to attack and damage rolls made with it. If you press button 3, the rod's flanged head folds down, a spear point springs from the rod's tip, and the rod's handle

lengthens into a 6-foot haft, transforming the rod into a magic spear that grants a +3 bonus to attack and damage rolls made with it. If you press button 4, the rod transforms into a climbing pole up to

Cone of Cold Legacy

Spells Basic Rules (2014)

A blast of cold air erupts from your hands. Each creature in a 60-foot cone must make a Constitution saving throw. A creature takes 8d8 cold damage on a failed save, or half as much damage on a

Blindheim

Monsters Mordenkainen's Fiendish Folio Volume 1

blindheim's eyes in a 15-foot cone. Each creature in that area must succeed on a DC 12 Constitution saving throw or take 7 (2d6);{"diceNotation":"2d6","rollType":"damage","rollAction":"Radiant Blast

Radiant Eyes. While its eyes are open, a blindheim projects bright light in a 60-foot cone and dim light for an additional 60 feet. It sets the orientation of this cone at the end of each of its

White Dragon Wyrmling Legacy

Monsters Basic Rules (2014)

);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Cold Breath"}. The dragon exhales an icy blast of hail in a 15-foot cone. Each creature in that area must make a DC 12 Constitution saving

Mind Flayer Legacy

Monsters Monster Manual (2014)

0 hit points, the mind flayer kills the target by extracting and devouring its brain. Mind Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Mind Blast"}. The mind

flayer magically emits psychic energy in a 60-foot cone. Each creature in that area must succeed on a DC 15 Intelligence saving throw or take 22 (4d8 + 4);{"diceNotation":"4d8+4","rollType":"damage

Nezznar the Spider

Monsters Phandelver and Below: The Shattered Obelisk

’t put him to sleep. Sunlight Sensitivity. Nezznar has disadvantage on attack rolls while he or his target is in sunlight.Multiattack. Nezznar makes two Poison Blast attacks. Poison Blast. Melee

or Ranged Spell Attack: +5;{"diceNotation":"1d20+5", "rollType":"spell", "rollAction":"Poison Blast"} to hit, reach 5 ft. or range 120 ft., one creature. Hit: 9 (2d8);{"diceNotation":"2d8", "rollType

Brain in a Jar (Noncore)

Monsters Lost Laboratory of Kwalish

","rollAction":"Mind Blast"}. The brain in a jar magically emits psychic energy in a 60-foot cone. Each creature in that area must succeed on a DC 15 Intelligence saving throw or take 13 (2d8 + 4

each: charm person, command, hold person 1/day each: compulsion, hold monster, sleep (cast at 3rd level), Tasha's hideous laughterMind Blast (Recharge 5-6);{"diceNotation":"1d6","rollType":"recharge

Mind Flayer Arcanist Legacy

Monsters Monster Manual (2014)

(Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Mind Blast"}. The mind flayer arcanist magically emits psychic energy in a 60-foot cone. Each creature in that area must succeed on

Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the mind flayer arcanist kills the target by extracting and devouring its brain. Mind Blast

Brain in a Jar

Monsters Icewind Dale: Rime of the Frostmaiden

target is Undead, it also has disadvantage on attack rolls against the brain until the end of the brain’s next turn. Mind Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge

","rollAction":"Mind Blast"}. The brain magically emits psychic energy in a 60-foot cone. Each creature in that area must succeed on a DC 14 Intelligence saving throw or take 17 (3d8 + 4);{"diceNotation":"3d8

Silver Dragon Wyrmling Legacy

Monsters Basic Rules (2014)

following breath weapons. Cold Breath. The dragon exhales an icy blast in a 15-foot cone. Each creature in that area must make a DC 13 Constitution saving throw, taking 18 (4d8);{"diceNotation":"4d8

15-foot cone. Each creature in that area must succeed on a DC 13 Constitution saving throw or be paralyzed for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.Cold

Young Silver Dragon Legacy

Monsters Basic Rules (2014)

exhales an icy blast in a 30-foot cone. Each creature in that area must make a DC 17 Constitution saving throw, taking 54 (12d8);{"diceNotation":"12d8","rollType":"damage","rollAction":"Cold Breath

","rollDamageType":"cold"} cold damage on a failed save, or half as much damage on a successful one. Paralyzing Breath. The dragon exhales paralyzing gas in a 30-foot cone. Each creature in that area must

Mind Flayer Nothic

Monsters Phandelver and Below: The Shattered Obelisk

Blast (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Mind Blast"}. The nothic magically emits psychic energy in a 30-foot cone. Each creature in that area must succeed on a

DC 12 Intelligence saving throw or take 10 (2d8 + 1);{"diceNotation":"2d8+1", "rollType":"damage", "rollAction":"Mind Blast", "rollDamageType":"psychic"} psychic damage and have the stunned condition

Mind Flayer Psion Legacy

Monsters Volo's Guide to Monsters

to 0 hit points, the mind flayer kills the target by extracting and devouring its brain. Mind Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Mind Blast"}. The mind

flayer magically emits psychic energy in a 60-foot cone. Each creature in that area must succeed on a DC 15 Intelligence saving throw or take 22 (4d8 + 4);{"diceNotation":"4d8+4","rollType":"damage

Alhoon Legacy

Monsters Volo's Guide to Monsters

":"3d6","rollType":"damage","rollAction":"Chilling Grasp","rollDamageType":"cold"} cold damage. Mind Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Mind Blast "}. The

alhoon magically emits psychic energy in a 60-foot cone. Each creature in that area must succeed on a DC 16 Intelligence saving throw or take 22 (4d8 + 4);{"diceNotation":"4d8+4","rollType":"damage

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

bone, which deals slashing damage instead of bludgeoning damage. In addition, it scores a critical hit on a roll of 19 or 20 and rolls the damage dice of a crit three times, instead of twice. Corrosive

Winter Wolf Legacy

Monsters Basic Rules (2014)

","rollType":"recharge","rollAction":"Cold Breath"}. The wolf exhales a blast of freezing wind in a 15-foot cone. Each creature in that area must make a DC 12 Dexterity saving throw, taking 18 (4d8

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