failed heavily

Cloudkill

Spells Player’s Handbook

, ending the spell. Its area is Heavily Obscured. Each creature in the Sphere makes a Constitution saving throw, taking 5d8 Poison damage on a failed save or half as much damage on a successful one. A

Incendiary Cloud

Spells Player’s Handbook

A swirling cloud of embers and smoke fills a 20-foot-radius Sphere centered on a point within range. The cloud’s area is Heavily Obscured. It lasts for the duration or until a strong wind (like

that created by Gust of Wind) disperses it. When the cloud appears, each creature in it makes a Dexterity saving throw, taking 10d8 Fire damage on a failed save or half as much damage on a

Storm of Vengeance

Spells Player’s Handbook

target makes a Dexterity saving throw, taking 10d6 Lightning damage on a failed save or half as much damage on a successful one. Turn 4. Hailstones rain down. Each creature under the cloud takes 2d6

Bludgeoning damage. Turns 5–10. Gusts and freezing rain assail the area under the cloud. Each creature there takes 1d6 Cold damage. Until the spell ends, the area is Difficult Terrain and Heavily Obscured, ranged attacks with weapons are impossible there, and strong wind blows through the area.

Wand of Wonder

Magic Items Dungeon Master’s Guide (2024)

time the area of effect is Heavily Obscured. 46–50 You cast Lightning Bolt. The Line created by the spell extends from you to the chosen point of origin. 51–55 The creature

creature closest to the chosen point of origin makes a DC 15 Constitution saving throw. On a failed save, the creature has the Restrained condition and begins to turn to stone. While Restrained in this way

Lohezet

Monsters Dragonlance: Shadow of the Dragon Queen

within the sphere is heavily obscured, and when a creature starts its turn in the sphere or enters the sphere for the first time on a turn, it must make a DC 17 Constitution saving throw. On a failed

":"damage", "rollAction":"Noxious Rebuke", "rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one.A black-robed member of the Mages of High Sorcery, Lohezet

Cinder Hulk

Monsters Bigby Presents: Glory of the Giants

Death Burst. When the cinder hulk dies, it leaves behind a cloud of cinders and smoke that fills a 10-foot-radius sphere centered on its space. The sphere is heavily obscured. Any creature that moves

a DC 16 Dexterity saving throw. On a failed save, a creature takes 31 (7d8);{"diceNotation":"7d8", "rollType":"damage", "rollAction":"Wave of Cinders", "rollDamageType":"fire"} fire damage and has the

Y'demi

Monsters Strixhaven: A Curriculum of Chaos

). Sanguine Sense. While Y’demi isn’t blinded, she can see any creature that isn’t an Undead or a Construct within 60 feet of itself, even through total cover, heavily obscured areas

’s choice that she can see in that area must make a DC 17 Constitution saving throw. On a failed save, a creature takes 38 (7d10);{"diceNotation":"7d10", "rollType":"damage", "rollAction":"Blood

Oriq Blood Mage

Monsters Strixhaven: A Curriculum of Chaos

). Sanguine Sense. While the blood mage isn’t blinded, it can see any creature that isn’t an Undead or a Construct within 60 feet of itself, even through total cover, heavily obscured areas

blood mage’s choice that it can see in that area must make a DC 17 Constitution saving throw. On a failed save, a creature takes 38 (7d10);{"diceNotation":"7d10", "rollType":"damage", "rollAction

Kelubar Demodand

Monsters Planescape: Adventures in the Multiverse

);{"diceNotation":"6d8", "rollType":"damage", "rollAction":"Spit Acid", "rollDamageType":"acid"} acid damage on a failed save, or half as much damage on a successful one. Summon Demodand (1/Day). The kelubar has a

point within 120 feet of itself. The cloud remains for 1 minute or until the kelubar uses this bonus action again. The cloud is heavily obscured and difficult terrain. Any creature that starts its

Juvenile Kraken

Monsters Ghosts of Saltmarsh

failed save, or half as much damage on a successful one. The kraken can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only

kraken uses Fling. Ink Cloud (Costs 3 Actions). While underwater, the kraken expels an ink cloud in a 40-foot radius. The cloud spreads around corners, and that area is heavily obscured to creatures

Slarkrethel

Monsters Storm King's Thunder

, taking 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Lightning Storm","rollDamageType":"lightning"} lightning damage on a failed save, or half as much damage on a successful one

, and that area is heavily obscured to creatures other than the kraken. Each creature other than the kraken that ends its turn there must succeed on a DC 23 Constitution saving throw, taking 16 (3d10

Dust Devil

Spells Elemental Evil Player's Companion

ends its turn within 5 feet of the dust devil must make a Strength saving throw. On a failed save, the creature takes 1d8 bludgeoning damage and is pushed 10 feet away. On a successful save, the

gravel, it sucks up the material and forms a 10-foot-radius cloud of debris around itself that lasts until the start of your next turn. The cloud heavily obscures its area. At Higher Levels. When you

Aurnozci

Monsters The Book of Many Things

failed save, or half as much damage on a successful one. Spellcasting. Aurnozci casts one of the following spells, requiring no material components and using Wisdom as the spellcasting ability (spell

feet of Aurnozci must make a DC 20 Dexterity saving throw, taking 18 (4d8);{"diceNotation":"4d8", "rollType":"damage", "rollAction":"Conflagration", "rollDamageType":"fire"} fire damage on a failed save

Cloud Giant Destiny Gambler

Monsters Bigby Presents: Glory of the Giants

throw as the cloud emits a thunderous boom. On a failed save, a creature takes 52 (8d12);{"diceNotation":"8d12", "rollType":"damage", "rollAction":"Thunderous Clap", "rollDamageType":"thunder"} thunder

area is heavily obscured. The cloud lingers until the start of the giant’s next turn or until a strong wind disperses it.Negate Spell (Requires Cloud Rune). When the giant sees a creature within 60

Murgaxor

Monsters Strixhaven: A Curriculum of Chaos

. While Murgaxor isn’t blinded, he can see any creature that isn’t an Undead or a Construct within 60 feet of himself, even through total cover, heavily obscured areas, invisibility, or any

that area must make a DC 17 Constitution saving throw. On a failed save, a creature takes 38 (7d10);{"diceNotation":"7d10", "rollType":"damage", "rollAction":"Blood Boil", "rollDamageType":"necrotic

Storm Giant Quintessent

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollAction":"Thunderbolt", "rollDamageType":"thunder"} thunder damage on a failed save, or half as much damage on a successful one. One with the Storm (Costs 3 Actions). The giant vanishes

spreads around corners, and its area is heavily obscured. The fog lasts until the giant disperses it (no action required), and it can’t be dispersed by wind. Gale. The giant creates a 60-foot-long

Factol Skall

Monsters Adventure Atlas: The Mortuary

fog in a 30-foot-radius sphere centered on himself. The sphere spreads around corners, and its area is heavily obscured. The fog lasts until the start of Skall’s next turn, and it can’t

", "rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. A Medium or smaller Humanoid killed by this damage becomes a zombie under Skall’s control

Zariel

Monsters Mordenkainen Presents: Monsters of the Multiverse

’s wall—the dying remains of those who failed to impress the archdevil. The stronghold, covering five square miles, is surrounded by walls reinforced with high turrets. Devils of all kinds

damage no more than once per round. Smoke. The area within 2 miles of the lair, but no closer than 500 feet, is filled with smoke, which causes the area to be heavily obscured. The smoke can’t be

Nafas

Monsters Quests from the Infinite Staircase

. On a failed save, a creature takes 36 (8d8);{"diceNotation":"8d8", "rollType":"damage", "rollAction":"Create Vortex", "rollDamageType":"force"} force damage and has the restrained condition. On a

"} lightning damage. Stardust. Nafas creates a 20-foot-radius sphere of multiversal dust centered on a point anywhere in his lair. The sphere spreads around corners, and its area is heavily obscured. The

Imix

Monsters Princes of the Apocalypse

him to burst into flames. The target must make a DC 21 Constitution saving throw. On a failed save, the target takes 70 (20d6);{"diceNotation":"20d6","rollType":"damage","rollDamageType":"fire"} fire

initiative count 20 of the next round. Creatures and objects within or beyond the smoke are heavily obscured. A creature that enters the cloud of embers for the first time on a turn or starts its turn

Ancient Moonstone Dragon

Monsters Fizban's Treasury of Dragons

, taking 60 (11d10);{"diceNotation":"11d10", "rollType":"damage", "rollAction":"Moonlight Breath", "rollDamageType":"radiant"} radiant damage on a failed save, or half as much damage on a successful one

storage. Occasionally, though, a whimsical moonstone dragon delights in shaking things up, insisting that visitors come to the Border Ethereal for a meeting or sleeping in the middle of a heavily

Adult Moonstone Dragon

Monsters Fizban's Treasury of Dragons

(9d10);{"diceNotation":"9d10", "rollType":"damage", "rollAction":"Moonlight Breath", "rollDamageType":"radiant"} radiant damage on a failed save, or half as much damage on a successful one

things up, insisting that visitors come to the Border Ethereal for a meeting or sleeping in the middle of a heavily trafficked forest on the Material Plane. Moonstone dragons navigate their

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

Incendiary Cloud Legacy

Spells Basic Rules (2014)

A swirling cloud of smoke shot through with white-hot embers appears in a 20-foot-radius sphere centered on a point within range. The cloud spreads around corners and is heavily obscured. It lasts

10d8 fire damage on a failed save, or half as much damage on a successful one. A creature must also make this saving throw when it enters the spell's area for the first time on a turn or ends its

Sleet Storm Legacy

Spells Basic Rules (2014)

Until the spell ends, freezing rain and sleet fall in a 20-foot-tall cylinder with a 40-foot radius centered on a point you choose within range. The area is heavily obscured, and exposed flames in

must make a Dexterity saving throw. On a failed save, it falls prone. If a creature starts its turn in the spell's area and is concentrating on a spell, the creature must make a successful Constitution saving throw against your spell save DC or lose concentration.

Whymsee (Kraken Priest Variant)

Monsters Locathah Rising

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

":"poison"} poison damage on a failed save, or half as much damage on a successful one. A strong current disperses the cloud, which otherwise disappears at the end of Whymsee's next turn. Shell

Kraken Legacy

Monsters Basic Rules (2014)

":"lightning"} lightning damage on a failed save, or half as much damage on a successful one.The kraken can take 3 legendary actions, choosing from the options below. Only one legendary action option can

spreads around corners, and that area is heavily obscured to creatures other than the kraken. Each creature other than the kraken that ends its turn there must succeed on a DC 23 Constitution saving

Cloudkill Legacy

Spells Basic Rules (2014)

the fog, ending the spell. Its area is heavily obscured. When a creature enters the spell's area for the first time on a turn or starts its turn there, that creature must make a Constitution saving

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

Storm of Vengeance Legacy

Spells Basic Rules (2014)

(no more than 5,000 feet beneath the cloud) when it appears must make a Constitution saving throw. On a failed save, a creature takes 2d6 thunder damage and becomes deafened for 5 minutes. Each

struck creature must make a Dexterity saving throw. The creature takes 10d6 lightning damage on a failed save, or half as much damage on a successful one. Round 4. Hailstones rain down from the cloud

Ancient White Dragon Legacy

Monsters Basic Rules (2014)

, taking 72 (16d8);{"diceNotation":"16d8","rollType":"damage","rollAction":"Cold Breath","rollDamageType":"cold"} cold damage on a failed save, or half as much damage on a successful one.The dragon can

a row: Freezing fog fills a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The fog spreads around corners, and its area is heavily obscured. Each creature in

Adult White Dragon Legacy

Monsters Basic Rules (2014)

, 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.The dragon can

a row: Freezing fog fills a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The fog spreads around corners, and its area is heavily obscured. Each creature in

Thessalkraken

Monsters Infernal Machine Rebuild

":"acid"} acid damage on a failed save, or half as much damage on a successful one.The thessalkraken can take 3 legendary actions, choosing from the options below. Only one legendary action option can

area is heavily obscured to creatures other than the thessalkraken. Each creature other than the thessalkraken that ends its turn there must succeed on a DC 18 Constitution saving throw, taking 16 (3d10

Storm Giant Quintessent Legacy

Monsters Volo's Guide to Monsters

. The target must make a DC 18 Dexterity saving throw, taking 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Thunderbolt","rollDamageType":"thunder"} thunder damage on a failed save

within water) centered on a point anywhere in its lair. The sphere spreads around corners, and its area is heavily obscured. The fog lasts until the giant disperses it (no action required), and it can't

Zariel Legacy

Monsters Mordenkainen’s Tome of Foes

to the stronghold’s wall, the dying remains of those who failed to impress the archdevil. The stronghold, covering five square miles, is surrounded by walls reinforced with high turrets. Devils

take this damage no more than once per round. The area within 2 miles, but no closer than 500 feet, of the lair is filled with smoke, which causes the area to be heavily obscured. The smoke can&rsquo

Wand of Wonder Legacy

Magic Items Basic Rules (2014)

heavily obscured. The butterflies remain for 10 minutes. 50-53 You enlarge the target as if you had cast enlarge/reduce. If the target can't be affected by that spell, or if you didn't target a

any other failed save, the target is restrained and begins to turn to stone. While restrained in this way, the target must repeat the saving throw at the end of its next turn, becoming petrified on a

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