becomes both diffusing cone replica

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

one. A creature killed by this spell becomes a frozen statue until it thaws. Using a Higher-Level Spell Slot. The damage increases by 1d8 for each spell slot level above 5.

Gem of Brightness

Magic Items Dungeon Master’s Guide

Word. You expend 5 charges and cause the gem to flare with intense light in a 30-foot Cone. Each creature in the Cone makes a saving throw as if struck by the beam created with the second command word. When all of the gem’s charges are expended, the gem becomes a nonmagical jewel worth 50 GP.

Crown of Horns

Magic Items Forgotten Realms: Adventures in Faerûn

, wearing it at all times, and you can't voluntarily end your Attunement to the crown. Cruel. Your alignment becomes Neutral Evil. Doomed. You slowly transform into a monstrous servant of Myrkul over

transformation is complete, you become a Lich under the DM's control. Each time you use this Artifact's Cone of Undeath or Myrkul's Hand benefit, there is a 10 percent cumulative chance that you

Ancient Spirit Dragon

Monsters Forgotten Realms: Adventures in Faerûn

22, each creature in a 90-foot Cone. Failure: 72 (16d8);{"diceNotation":"16d8", "rollType":"damage", "rollAction":"Ruinous Breath", "rollDamageType":"Necrotic"} Necrotic damage. Success: Half damage

: Legend Lore (as an action), Sequester Time-Warping Breath. Wisdom Saving Throw: DC 22, each creature that isn’t currently affected by this breath in a 90-foot Cone. Failure: The target’s Speed

Adult Spirit Dragon

Monsters Forgotten Realms: Adventures in Faerûn

a 60-foot Cone. Failure: 63 (14d8);{"diceNotation":"14d8", "rollType":"damage", "rollAction":"Ruinous Breath", "rollDamageType":"Necrotic"} Necrotic damage. Success: Half damage. Spellcasting. The

. Wisdom Saving Throw: DC 18, each creature that isn’t currently affected by this breath in a 60-foot Cone. Failure: The target’s Speed is halved, it can’t take Reactions, and it can

Gem of Brightness Legacy

Magic Items Basic Rules (2014)

word expends 5 charges and causes the gem to flare with blinding light in a 30- foot cone originating from it. Each creature in the cone must make a saving throw as if struck by the beam created with

the second command word. When all of the gem's charges are expended, the gem becomes a nonmagical jewel worth 50 gp.

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

successful one. A creature killed by this spell becomes a frozen statue until it thaws. At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, the damage increases by 1d8 for each slot level above 5th.

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.

Beholder Legacy

Monsters Monster Manual (2014)

Antimagic Cone. The beholder’s central 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 beholder decides which way

the cone faces and whether the cone is active. The area works against the beholder’s own eye rays.Bite. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Bite

Death Tyrant Legacy

Monsters Monster Manual (2014)

and whether the cone is active. Any creature in that area can’t regain hit points. Any humanoid that dies there becomes a zombie under the tyrant’s command. The dead humanoid retains its

Negative Energy Cone. The death tyrant’s central eye emits an invisible, magical 150-foot cone of negative energy. At the start of each of its turns, the tyrant decides which way the cone faces

Lunar Dragon Wyrmling

Monsters Spelljammer: Adventures in Space

":"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

, indistinctly spectral form.ColdPhase (2/Day). The dragon becomes partially incorporeal for as long as it maintains concentration on the effect (as if concentrating on a spell). While partially incorporeal, the dragon has resistance to bludgeoning, piercing, and slashing damage.

Lowarnizel

Monsters Phandelver and Below: The Shattered Obelisk

–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Singularity Breath"}. Lowarnizel creates a shining bead of gravitational force, then releases the energy in a 30-foot cone. Each creature

":"force"} force damage, and its speed becomes 0 until the start of the dragon’s next turn. On a successful save, a creature takes half as much damage only. Spellcasting (Psionics). Lowarnizel casts

Young Lunar Dragon

Monsters Spelljammer: Adventures in Space

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

through other creatures or solid objects. In this semi-incorporeal state, roughly half of the dragon’s body has a dark, indistinctly spectral form.ColdPhase (2/Day). The dragon becomes partially

Sibriex

Monsters Mordenkainen Presents: Monsters of the Multiverse

creatures it can see within 120 feet of it. Each target must make a DC 20 Constitution saving throw. On a successful save, a creature becomes immune to this sibriex’s Warp Creature. On a failed

, the effect becomes a permanent feature of that body. A creature can willingly submit to flesh warping, an agonizing process that takes at least 1 hour while the creature stays within 30 feet of the

Lesser Death Dragon

Monsters Dragonlance: Shadow of the Dragon Queen

corpse of such a creatures within the cone, becomes a zombie (see the Monster Manual) under the dragon’s control. The zombie acts on the dragon’s initiative but immediately after the

Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Cataclysmic Breath"}. The dragon exhales a wave of ghostly purple flames in a 30-foot cone. Each creature in that area

Lorthuun

Monsters Out of the Abyss

Antimagic Cone. The beholder's central 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 beholder decides which way the

cone faces and whether the cone is active. The area works against the beholder's own eye rays.Bite. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Bite"} to hit, reach

Seth the Shapeshifting Dragon

Monsters Misplaced Monsters: Volume One

cone. Each creature in that area must make a DC 16 Constitution saving throw. On a failed save, the creature takes 36 (8d8);{"diceNotation":"8d8", "rollType":"damage", "rollAction":"Riptide Breath

concentrating on a spell). While his speed is increased in this way, all attack rolls against him are made with disadvantage, and he becomes partially incorporeal, allowing him to move through

Winter Eladrin Legacy

Monsters Mordenkainen’s Tome of Foes

wind 1/day each: cone of cold, ice storm Magic Resistance. The eladrin has advantage on saving throws against spells and other magical effects. Sorrowful Presence. Any non-eladrin creature that

starts its turn within 60 feet of the eladrin must make a DC 13 Wisdom saving throw. On a failed save, the creature becomes charmed by the eladrin for 1 minute. While charmed in this way, the creature

Ghost Dragon

Monsters Fizban's Treasury of Dragons

6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Terrifying Breath"}. The ghost dragon exhales shadowy mist in a 90-foot cone. Each creature in that area must make a DC 21 Constitution

a ghost dragon haunts the hoard, often forming an attachment to a single priceless object that becomes the focus of the ghost dragon’s Undead existence. A ghost dragon is a translucent and

Tile Chimera

Monsters Tyranny of Dragons

Rejuvenation. If destroyed, the tile chimera regains all its hit points and becomes active again in 24 hours unless at least half its tiles are collected and kept separate from the rest of the

. Fire Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Fire Breath"}. The dragon head exhales fire in a 15-foot cone. Each creature in that area must make a DC 15

Fomorian Noble

Monsters Bigby Presents: Glory of the Giants

only), mage hand, prestidigitation 1/day each: chain lightning, cone of cold (6th-level version), fireball (6th-level version), fly, plane shift (self only)Before their banishment to the Underdark

saving throw is successful or the effect ends for it, the target becomes immune to all fomorians’ Beguiling Presence for the next 24 hours.

Eyestalk of Gzemnid

Monsters Planescape: Adventures in the Multiverse

":"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

);{"diceNotation":"10d10", "rollType":"damage", "rollAction":"Eradication Gaze", "rollDamageType":"necrotic"} necrotic damage. If this damage reduces a creature to 0 hit points, its body becomes a

Adult Brass Dragon Legacy

Monsters Basic Rules (2014)

sleep gas in a 60-foot cone. Each creature in that area must succeed on a DC 18 Constitution saving throw or fall unconscious for 10 minutes. This effect ends for a creature if the creature takes

Intelligence of 3 or higher comes within 30 feet of a water source within 1 mile of the dragon’s lair, the dragon becomes aware of the creature’s presence and location. If the dragon dies, the

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

through it. Whenever a creature with an Intelligence of 3 or higher comes within 30 feet of a water source within 1 mile of the dragon’s lair, the dragon becomes aware of the creature’s

Shadrix Silverquill

Monsters Strixhaven: A Curriculum of Chaos

":"1d6", "rollType":"recharge", "rollAction":"Illuminating Shadow Breath"}. Shadrix exhales an entwined burst of blinding radiance and unnerving shadow in a 90-foot cone. Each creature in that area

one Claw attack. Shadow Slip (Costs 2 Actions). Shadrix becomes an inky cloud of shadow and can move up to half his flying speed without provoking opportunity attacks, then resumes his true form

Emerald Greatwyrm

Monsters Fizban's Treasury of Dragons

","rollType":"recharge","rollAction":"Breath Weapon"}. The greatwyrm exhales crushing force in a 300-foot cone. Each creature in that area must make a DC 25 Dexterity saving throw. On a failed save, the

damage and isn’t knocked prone. On a success or failure, the creature’s speed becomes 0 until the end of its next turn. Mass Telekinesis (Gem Awakening Only; Recharges after a Short or

Adult Lunar Dragon

Monsters Spelljammer: Adventures in Space

a 60-foot cone. Each creature in the cone must make a DC 18 Constitution saving throw. On a failed save, the creature takes 36 (8d8);{"diceNotation":"8d8","rollType":"damage","rollAction":"Cold Breath

":"Regional Effect Fade Time"} days, allowing plant life in the area to recover.ColdPhase (3/Day). The dragon becomes partially incorporeal for as long as it maintains concentration on the effect (as if

Ancient Lunar Dragon

Monsters Spelljammer: Adventures in Space

a 90-foot cone. Each creature in the cone must make a DC 21 Constitution saving throw. On a failed save, the creature takes 36 (8d8);{"diceNotation":"8d8","rollType":"damage","rollAction":"Cold

":"roll","rollAction":"Regional Effect Fade Time"} days, allowing plant life in the area to recover.ColdPhase (3/Day). The dragon becomes partially incorporeal for as long as it maintains concentration

Greater Death Dragon

Monsters Dragonlance: Shadow of the Dragon Queen

. Additionally, any Medium or smaller Humanoid killed by the breath’s damage, as well as every corpse of such a creature within the cone, becomes a zombie (see the Monster Manual) under the dragon

"}. The dragon exhales a wave of ghostly purple flames in a 60-foot cone. Each creature in that area must make a DC 18 Dexterity saving throw, taking 45 (10d8);{"diceNotation":"10d8", "rollType":"damage

Gnome Ceremorph

Monsters Icewind Dale: Rime of the Frostmaiden

","rollType":"recharge","rollAction":"Mind Blast"}. The ceremorph 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

the weapon to fire 50 shots. After its last shot is expended, the device becomes inoperable. The energy cell can’t be removed without destroying the weapon.

Amethyst Greatwyrm

Monsters Fizban's Treasury of Dragons

","rollType":"recharge","rollAction":"Breath Weapon"}. The greatwyrm exhales crushing force in a 300-foot cone. Each creature in that area must make a DC 25 Dexterity saving throw. On a failed save, the

damage and isn’t knocked prone. On a success or failure, the creature’s speed becomes 0 until the end of its next turn. Mass Telekinesis (Gem Awakening Only; Recharges after a Short or

Crystal Greatwyrm

Monsters Fizban's Treasury of Dragons

","rollType":"recharge","rollAction":"Breath Weapon"}. The greatwyrm exhales crushing force in a 300-foot cone. Each creature in that area must make a DC 25 Dexterity saving throw. On a failed save, the

damage and isn’t knocked prone. On a success or failure, the creature’s speed becomes 0 until the end of its next turn. Mass Telekinesis (Gem Awakening Only; Recharges after a Short or

Sapphire Greatwyrm

Monsters Fizban's Treasury of Dragons

","rollType":"recharge","rollAction":"Breath Weapon"}. The greatwyrm exhales crushing force in a 300-foot cone. Each creature in that area must make a DC 25 Dexterity saving throw. On a failed save, the

damage and isn’t knocked prone. On a success or failure, the creature’s speed becomes 0 until the end of its next turn. Mass Telekinesis (Gem Awakening Only; Recharges after a Short or

Topaz Greatwyrm

Monsters Fizban's Treasury of Dragons

","rollType":"recharge","rollAction":"Breath Weapon"}. The greatwyrm exhales crushing force in a 300-foot cone. Each creature in that area must make a DC 25 Dexterity saving throw. On a failed save, the

damage and isn’t knocked prone. On a success or failure, the creature’s speed becomes 0 until the end of its next turn. Mass Telekinesis (Gem Awakening Only; Recharges after a Short or

Nightveil Specter

Monsters Guildmasters’ Guide to Ravnica

magically emits psychic energy in a 60-foot cone. Each creature in that area must succeed on a DC 15 Wisdom saving throw or take 22 (5d8);{"diceNotation":"5d8","rollType":"damage","rollAction":"Mind

some amount of creativity. They pursue their assigned tasks with fearless determination. Gloamwing Mount. If a gloamwing is killed, its specter becomes fixated on destroying those responsible. If the

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