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Returning 35 results for 'cube failed'.
Spells
Player’s Handbook
A storm of fire appears within range. The area of the storm consists of up to ten 10-foot Cube;Cubes, which you arrange as you like. Each Cube must be contiguous with at least one other Cube. Each
creature in the area makes a Dexterity saving throw, taking 7d10 Fire damage on a failed save or half as much damage on a successful one.
Flammable objects in the area that aren’t being worn or carried start burning.
Magic Items
Dungeon Master’s Guide
This small packet contains 1d6 + 4 pinches of dust. As a Utilize action, you can sprinkle a pinch of the dust over water, turning up to a 15-foot Cube of water into one marble-sized pellet, which
composed mostly of water (such as a Water Elemental or a Water Weird). Such a creature exposed to a pinch of the dust makes a DC 13 Constitution saving throw, taking 10d6 Necrotic damage on a failed save or half as much damage on a successful one.
Magic Items
Dungeon Master’s Guide
yourself. Each creature in a 15-foot Cube originating from that point is showered in sparks and makes a DC 15 Dexterity saving throw, taking 5d4 Radiant damage on a failed save or half as much damage on a successful one.
Cover, the sphere discharges lightning at that creature and disappears. That creature makes a DC 15 Dexterity saving throw. On a failed save, the creature takes Lightning damage based on the number of
Spells
Player’s Handbook
You unleash a wave of thunderous energy. Each creature in a 15-foot Cube originating from you makes a Constitution saving throw. On a failed save, a creature takes 2d8 Thunder damage and is pushed 10
feet away from you. On a successful save, a creature takes half as much damage only.
In addition, unsecured objects that are entirely within the Cube are pushed 10 feet away from you, and a
Spells
Player’s Handbook
targeted by this spell makes a Dexterity saving throw. On a failed save, the target takes 10d6 + 40 Force damage. If this damage reduces it to 0 Hit Points, it and everything nonmagical it is wearing
creation of magical force. If such a target is Huge or larger, this spell disintegrates a 10-foot-Cube portion of it.
Using a Higher-Level Spell Slot. The damage increases by 3d6 for each spell slot level above 6.
Spells
Player’s Handbook
You attempt to craft an illusion in the mind of a creature you can see within range. The target makes an Intelligence saving throw. On a failed save, you create a phantasmal object, creature, or
other phenomenon that is no larger than a 10-foot Cube and that is perceivable only to the target for the duration. The phantasm includes sound, temperature, and other stimuli.
The target can take a
Spells
Player’s Handbook
An immobile, Invisible, Cube-shaped prison composed of magical force springs into existence around an area you choose within range. The prison can be a cage or a solid box, as you choose.
A prison
that magic to exit the cage. On a failed save, the creature doesn’t exit the cage and wastes the spell or effect. The cage also extends into the Ethereal Plane, blocking ethereal travel.
This spell can’t be dispelled by Dispel Magic.
Magic Items
Dungeon Master’s Guide
its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead
just happened.
56–60
A harmless swarm of butterflies fills a 10-foot Cube within 30 feet of yourself. The swarm disperses after 1 minute.
61–65
You pull a nonmagical object
Spells
Player’s Handbook
Until the spell ends, you control any water inside an area you choose that is a Cube up to 100 feet on a side, using one of the following effects. As a Magic action on your later turns, you can
the whirlpool is pulled 10 feet toward it. When a creature enters the whirlpool for the first time on a turn or ends its turn there, it makes a Strength saving throw. On a failed save, the creature
Monsters
Waterdeep: Dungeon of the Mad Mage
the consequences of a failed saving throw.
On a failed save, the cube enters the creature's space, and the creature takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType":"acid
Ooze Cube. The cube takes up its entire space. Other creatures can enter the space, but a creature that does so is subjected to the cube's Engulf and has disadvantage on the saving throw.
Creatures
Monsters
Out of the Abyss
choose to be pushed 5 feet back or to the side of the cube. A creature that chooses not to be pushed suffers the consequences of a failed saving throw.
On a failed save, the cube enters the creature's
Ooze Cube. The cube takes up its entire space. Other creatures can enter the space, but a creature that does so is subjected to the cube's Engulf and has disadvantage on the saving throw.
Creatures
Magic Items
The Wild Beyond the Witchlight
As an action, you can throw this dust into the air, filling a 10-foot cube that extends out from you. Surfaces and objects made of nonmagical ferrous metal in the area instantly corrode and turn to
dust, becoming useless and unsalvageable. Any creature in the area that is made wholly or partly out of ferrous metal must make a DC 13 Constitution saving throw, taking 4d8 necrotic damage on a failed
Monsters
Tales from the Yawning Portal
spellcasting ability for it is Charisma. This use of the spell has a range of 30 feet and can affect a cube of water no larger than 30 feet on a side.
Speak with Animals. The nereid can comprehend and
out of breath and can’t speak for 1 minute. At the end of each of its turns, it can repeat the save, ending the effect on itself on a success.
Water Lash. The nereid causes a 5-foot cube of
Monsters
Candlekeep Mysteries
","rollType":"damage","rollAction":"Wither","rollDamageType":"necrotic"} necrotic damage.
Fire Storm (7th-Level Spell; 1/Day). The lich fills up to ten 10-foot cubes with fire. Every cube must be within
150 feet of the lich and occupy a space the lich can see, and each cube must have at least one face adjacent to the face of another cube. Each creature in the area must make a DC 19 Dexterity saving
Monsters
Mordenkainen Presents: Monsters of the Multiverse
a 20-foot cube originating from the abjurer must make a DC 16 Constitution saving throw. On a failed save, a creature takes 36 (8d8);{"diceNotation":"8d8", "rollType":"damage", "rollAction":"Force
Monsters
Vecna: Eve of Ruin
", "rollDamageType":"piercing"} piercing damage and 33 (6d10);{"diceNotation":"6d10", "rollType":"damage", "rollAction":"Spiderling Breath", "rollDamageType":"poison"} poison damage on a failed save or half
", "rollType":"recharge", "rollAction":"Stifling Webs"}. The spiderdragon spins a 30-foot cube of strong, sticky webbing in an area adjacent to itself. The webbing lasts for 1 minute, is difficult
Monsters
Mordenkainen Presents: Monsters of the Multiverse
-foot cube originating from the bard must make a DC 12 Constitution saving throw. On a failed save, a creature takes 9 (2d8);{"diceNotation":"2d8", "rollType":"damage", "rollAction":"Cacophony
Monsters
Mordenkainen Presents: Monsters of the Multiverse
"} psychic damage.
Howling Void. The warlock opens a momentary extraplanar rift within 60 feet of it. The rift is a scream-filled, 20-foot cube. Each creature in that area must make a DC 15 Wisdom
saving throw. On a failed save, a creature takes 9 (2d8);{"diceNotation":"2d8", "rollType":"damage", "rollAction":"Howling Void", "rollDamageType":"psychic"} psychic damage and is frightened of the
Monsters
Planescape: Adventures in the Multiverse
-foot cube originating from itself before dissipating. Each creature in that area must make a DC 16 Dexterity saving throw. On a failed save, a creature takes 33 (6d10);{"diceNotation":"6d10", "rollType
Monsters
Keys from the Golden Vault
Whispers of Azzagrat. Each creature in a 15-foot cube originating from Sythian must make a DC 14 Wisdom saving throw. On a failed save, a creature takes 18 (4d8);{"diceNotation":"4d8", "rollType":"damage
throw. The creature takes 14 (4d6);{"diceNotation":"4d6", "rollType":"damage", "rollAction":"Fiendish Rebuke", "rollDamageType":"fire"} fire damage on a failed saving throw, or half as much damage on a
Monsters
Guildmasters’ Guide to Ravnica
a 15-foot cube originating from the prongs of the trident must make a DC 18 Constitution saving throw. On a failed save, the creature takes 9 (2d8);{"diceNotation":"2d8","rollType":"damage
that area must make a DC 18 Dexterity saving throw. On a failed save, a creature takes 18 (4d8);{"diceNotation":"4d8","rollType":"damage","rollAction":"Deluge","rollDamageType":"bludgeoning
Magic Items
Baldur’s Gate: Descent into Avernus
An infernal puzzle box is a cube-shaped container 5 to 6 inches on a side, composed of airtight, interlocking parts made from materials found in the Nine Hells. Most of these boxes are made of
) check. If the check succeeds, the creature figures out the trick or sequence of steps needed to open the box. If the check fails by 5 or more, the creature must make a DC 18 Wisdom saving throw, taking 42 (12d6) psychic damage on a failed save, or half as much damage on a successful one.
Monsters
Mordenkainen Presents: Monsters of the Multiverse
15-foot cube. The troll takes 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Venom Spray", "rollDamageType":"slashing"} slashing damage, which can’t be reduced in any way. Each
creature in the area must make a DC 16 Constitution saving throw. On a failed save, a creature takes 18 (4d8);{"diceNotation":"4d8", "rollType":"damage", "rollAction":"Venom Spray", "rollDamageType
Monsters
Guildmasters’ Guide to Ravnica
Mat'Selesnya"}. Trostani conjures a momentary whirl of branches and vines at a point she can see within 60 feet of her. Each creature in a 30-foot cube on that point must make a DC 24 Dexterity
","rollAction":"Wrath of Mat","rollDamageType":"slashing"} slashing damage on a failed save, or half as much damage on a successful one.Trostani can take 3 legendary actions, choosing from the options
Monsters
Strixhaven: A Curriculum of Chaos
’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
blood mages almost impossible to ambush.NecroticSanguine Tentacles (1/Day). The blood in the copper basin disappears as tentacles of congealed blood fill a 10-foot cube centered at a point on the ground
Monsters
Bigby Presents: Glory of the Giants
30-foot cube. Each creature in that area must make a DC 19 Constitution saving throw, taking 45 (10d8);{"diceNotation":"10d8", "rollType":"damage", "rollAction":"Scale Dust", "rollDamageType":"poison
"} poison damage on a failed save, or half as much damage on a successful one. On a success or failure, the creature has the poisoned condition for 1 hour. While poisoned this way, the creature can
Monsters
Mythic Odysseys of Theros
","rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. If the damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even
":"recharge","rollAction":"Web of Hair"}. Arasta unleashes her hair in the form of webbing that fills a 30-foot cube next to her. The web is difficult terrain, its area is lightly obscured, and it lasts for 1
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Debris"}. The zaratan exhales rocky debris in a 90-foot cube. Each creature in that area must make a DC 25 Dexterity saving throw. A creature takes 33 (6d10);{"diceNotation":"6d10", "rollType":"damage
", "rollAction":"Spew Debris", "rollDamageType":"bludgeoning"} bludgeoning damage on a failed save, or half as much damage on a successful one. A creature that fails the save by 5 or more is knocked
Monsters
Mordenkainen Presents: Monsters of the Multiverse
, finger of death, gaseous form, seeming
Wave of Weariness (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Wave of Weariness"}. The shadar-kai emits weariness in a 60-foot cube
. Each creature in that area must make a DC 16 Constitution saving throw. On a failed save, a creature takes 45 (10d8);{"diceNotation":"10d8", "rollType":"damage", "rollAction":"Wave of Weariness
Monsters
The Book of Many Things
conjures a churning storm of spectral blades that fills a 20-foot cube centered on a point it can see within 120 feet of itself. The storm lasts until the start of the champion’s next turn. While the
, taking 27 (6d8);{"diceNotation":"6d8", "rollType":"damage", "rollAction":"Blade Storm", "rollDamageType":"slashing"} slashing damage on a failed saving throw, or half as much damage on a successful
Monsters
Storm King's Thunder
":"poison"} poison damage on a failed save, or half as much damage on a successful one.
Spellcasting. Claugiyliamatar casts one of the following spells, requiring no material components and using
);{"diceNotation":"4d8","rollType":"damage","rollAction":"Wall of Thorns","rollDamageType":"piercing"} piercing damage on a failed save, or half as much damage on a successful one. Each 10-foot section
Monsters
Divine Contention
Breath","rollDamageType":"necrotic"} necrotic damage on a failed save, or half as much damage on a successful one.Claugiyliamatar can take 3 legendary actions, choosing from the options below. Only one
contact with the wall, taking 18 (4d8) piercing damage on a failed save, or half as much damage on a successful one. Each 10-foot section of wall has AC 5, 15 hit points, vulnerability to fire damage
Monsters
Fizban's Treasury of Dragons
"}. The dragon exhales a pulse of high-pitched, nearly inaudible sound in a 15-foot cone. Each creature in that area must make a DC 13 Constitution saving throw. On a failed save, the creature takes 22
"}
Connected Creatures
1
After being robbed by gnomes who had pledged to protect the hoard, a sapphire dragon wyrmling installs new guardians that have no interest in material riches: gelatinous cube
Magic Items
The Book of Many Things
Over the centuries since the first Deck of Many Things was created, many have sought and failed to replicate it. But some have created new cards. These forty-four additional cards are known
it is killed or when you are reduced to 0 hit points. If there isn’t enough space for a Large or larger creature to appear, this card has no effect.
Ooze. A gelatinous cube immediately appears
Gelatinous Cube
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Basic Rules (2014)
creature can choose to be pushed 5 feet back or to the side of the cube. A creature that chooses not to be pushed suffers the consequences of a failed saving throw.
On a failed save, the cube enters the
Ooze Cube. The cube takes up its entire space. Other creatures can enter the space, but a creature that does so is subjected to the cube's Engulf and has disadvantage on the saving throw.
Creatures






