both being diameter cone rolls

Umber Hulk

Monsters Monster Manual

Tunneler. The umber hulk can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The umber hulk makes three Rend attacks. Rend. Melee

":"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

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

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

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 the Woodlands

Magic Items Dungeon Master’s Guide

This staff has 6 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 have a +2 bonus to spell attack rolls

is 60 feet tall and has a 5-foot-diameter trunk, and its branches at the top spread out in a 20-foot radius. The tree appears ordinary but radiates a faint aura of Transmutation magic that can be

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

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.

Symbol

Spells Player’s Handbook

feet in diameter. If you choose an object, it must remain in place; if it is moved more than 10 feet from where you cast this spell, the glyph is broken, and the spell ends without being triggered

Disadvantage on attack rolls and ability checks. Fear. Each target must succeed on a Wisdom saving throw or have the Frightened condition for 1 minute. While Frightened, the target must move at least 30

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

Orb of Damara

Magic Items Forgotten Realms: Adventures in Faerûn

away. The Orb of Damara is about 6 inches in diameter and is made of a glassy, iridescent material that's like obsidian but incredibly hard. If held to one's own lips with the intention of consuming

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

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

Replica Pentadrone

Monsters Acquisitions Incorporated

—gears, plates, screws, and wires, leaving behind its weapons and anything else it was carrying. Each collapsed modron also spits out a six-inch-diameter magically charged disk that powers the

","rollType":"recharge","rollAction":"Paralysis Gas"}. The pentadrone exhales a 30-foot cone of gas. Each creature in that area must succeed on a DC 11 Constitution saving throw or be paralyzed for 1 minute

Dragon's Wrath Weapon

Magic Items Fizban's Treasury of Dragons

rolls increases to +3, and the extra damage dealt by the weapon increases to 3d6. The cone of destructive energy the weapon creates increases to a 60-foot cone, the save DC increases to 18, and the damage increases to 12d6.

addition, you gain a +1 bonus to attack and damage rolls made using the weapon. On a hit, the weapon deals an extra 1d6 damage of the type dealt by the dragon’s breath weapon. Dragon's Wrath

Kruthik Hive Lord Legacy

Monsters Mordenkainen’s Tome of Foes

allies is within 5 feet of the creature and the ally isn't incapacitated. Tunneler. The kruthik can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its

Spray (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Acid Spray"}. The kruthik sprays acid in a 15-foot cone. Each creature in that area must make a DC 14 Dexterity saving

Young Lunar Dragon

Monsters Spelljammer: Adventures in Space

Tunneler. The dragon can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn't require air.Multiattack. The

a blast of frost in a 30-foot cone. Each creature in the cone must make a DC 15 Constitution saving throw. On a failed save, the creature takes 27 (6d8);{"diceNotation":"6d8","rollType":"damage

Young Gold Dragon Legacy

Monsters Basic Rules (2014)

following breath weapons. Fire Breath. The dragon exhales fire in a 30-foot cone. Each creature in that area must make a DC 17 Dexterity saving throw, taking 55 (10d10);{"diceNotation":"10d10","rollType

":"damage","rollAction":"Fire Breath","rollDamageType":"fire"} fire damage on a failed save, or half as much damage on a successful one. Weakening Breath. The dragon exhales gas in a 30-foot cone. Each

Gold Dragon Wyrmling Legacy

Monsters Basic Rules (2014)

. Fire Breath. The dragon exhales fire in a 15-foot cone. Each creature in that area must make a DC 13 Dexterity saving throw, taking 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollDamageType

":"fire"} fire damage on a failed save, or half as much damage on a successful one. Weakening Breath. The dragon exhales gas in a 15-foot cone. Each creature in that area must succeed on a DC 13

Aurumvorax Den Leader

Monsters Journeys through the Radiant Citadel

Pack Leader. The aurumvorax’s allies have advantage on attack rolls while within 10 feet of the aurumvorax, provided it isn’t incapacitated. Tunneler. The aurumvorax can burrow through

solid rock and metal at half its burrowing speed and leaves a 5-foot-diameter tunnel in its wake.Multiattack. The aurumvorax makes one Bite attack and two Claw attacks. Bite. Melee Weapon

Lunar Dragon Wyrmling

Monsters Spelljammer: Adventures in Space

Tunneler. The dragon can burrow through solid rock at half its burrowing speed and leaves a 5-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air.Bite. Melee

":"1d6","rollType":"recharge","rollAction":"Cold Breath"}. The dragon exhales a blast of frost in a 15-foot cone. Each creature in the cone must make a DC 13 Constitution saving throw. On a failed

Astral Dreadnought Legacy

Monsters Mordenkainen’s Tome of Foes

Antimagic Cone. The astral dreadnought's opened eye creates an area of antimagic, as in the antimagic field spell, in a 150-foot cone. At the start of each of its turns, the dreadnought decides which

way the cone faces. The cone doesn't function while the dreadnought's eye is closed or while the dreadnought is blinded. Astral Entity. The astral dreadnought can't leave the Astral Plane, nor can it

Eyestalk of Gzemnid

Monsters Planescape: Adventures in the Multiverse

Tunneler. The eyestalk can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The eyestalk uses Eradication Gaze, if available, and makes

":"recharge", "rollAction":"Eradication Gaze"}. The eyestalk creates an area of magical devastation in a 150-foot cone. Any creature in that area must succeed on a DC 16 Dexterity saving throw or take 55 (10d10

Blindheim

Monsters Mordenkainen's Fiendish Folio Volume 1

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

turns. All creatures that can see the blindheim have disadvantage on attack rolls while in the area of bright light and within 15 feet of the blindheim. Creatures with the Sunlight Sensitivity trait that

Abominable Yeti Legacy

Monsters Monster Manual (2014)

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. Keen Smell. The yeti has advantage on Wisdom (Perception) checks

Breath (Recharge 6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Cold Breath"}. The yeti exhales a 30-foot cone of frigid air. Each creature in that area must make a DC 18 Constitution

Flail of Tiamat

Magic Items Fizban's Treasury of Dragons

This magic flail is made in the image of Tiamat, with five jagged heads shaped like the heads of five different chromatic dragons. You gain a +3 bonus to attack and damage rolls made with this flail

, you can use an action and speak a command word to cause the heads to breathe multicolored flames in a 90-foot cone. Each creature in that area must make a DC 18 Dexterity saving throw. On a failed

Staff of the Woodlands Legacy

Magic Items Basic Rules (2014)

This staff can be wielded as a magic quarterstaff that grants a +2 bonus to attack and damage rolls made with it. While holding it, you have a +2 bonus to spell attack rolls. The staff has 10

tree. The tree is 60 feet tall and has a 5-foot-diameter trunk, and its branches at the top spread out in a 20-foot radius. The tree appears ordinary but radiates a faint aura of transmutation magic

Zegdar

Monsters Princes of the Apocalypse

. Labyrinthine Recall. The minotaur can perfectly recall any path it has traveled. Reckless. At the start of its turn, the minotaur can gain advantage on all melee weapon attack rolls it makes during

that turn, but attack rolls against it have advantage until the start of its next turn.Greataxe. Melee Weapon Attack: +6;{"diceNotation":"1d20+6","rollType":"to hit","rollAction":"Greataxe"} to hit

Mizzium Mortar

Magic Items Guildmasters’ Guide to Ravnica

This short tube, about 2 feet long and 6 inches in diameter, is made from mizzium, a magically enhanced metal alloy forged by the Izzet League. The end that’s pointed toward a target is open

charges daily at dawn. Molten Spray. You can expend 1 charge as an action to loose a 30-foot cone of molten mizzium. Each creature in the area must make a DC 15 Dexterity saving throw, taking 5d4 fire

Astral Dreadnought

Monsters Mordenkainen Presents: Monsters of the Multiverse

Antimagic Cone. The dreadnought’s eye creates an area of antimagic, as in the antimagic field spell, in a 150-foot cone. At the start of each of its turns, it decides which way the cone faces

. The cone doesn’t function while the eye is closed or while the dreadnought is blinded. Astral Entity. The dreadnought can’t leave the Astral Plane, nor can it be banished or otherwise

Staff of Power Legacy

Magic Items Basic Rules (2014)

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

rolls. The staff has 20 charges for the following properties. The staff regains 2d8 + 4 expended charges daily at dawn. If you expend the last charge, roll a d20. On a 1, the staff retains its +2

Young Red Shadow Dragon Legacy

Monsters Monster Manual (2014)

the Hide action as a bonus action. Sunlight Sensitivity. While in sunlight, the dragon has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The

":"Shadow Breath"}. The dragon exhales shadowy fire in a 30-foot cone. Each creature in that area must make a DC 18 Dexterity saving throw, taking 56 (16d6);{"diceNotation":"16d6","rollType":"damage

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