both being diameter cube rolls

Faerie Fire

Spells Player’s Handbook

Objects in a 20-foot Cube within range are outlined in blue, green, or violet light (your choice). Each creature in the Cube is also outlined if it fails a Dexterity saving throw. For the duration

, objects and affected creatures shed Dim Light in a 10-foot radius and can’t benefit from the Invisible condition. Attack rolls against an affected creature or object have Advantage if the attacker can see it.

Rust Monster

Monsters Monster Manual

creature with the object. Failure: The object takes a −1 penalty to the AC it offers (armor) or to its attack rolls (weapon). Armor is destroyed if the penalty reduces its AC to 10, and a weapon

5 feet of itself that isn’t being worn or carried. The touch destroys a 1-foot Cube of the object.Reflexive Antennae. Trigger: An attack roll hits the rust monster. Response: The rust monster uses Antennae.

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

. 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

Ring of Shooting Stars

Magic Items Dungeon Master’s Guide

can expend 1 charge to cast Faerie Fire from the ring. Lightning Spheres. You can expend 2 charges as a Magic action to create up to four 3-foot-diameter spheres of lightning. Each sphere appears in

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.

Forcecage

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

in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a solid

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

Energy Bow

Magic Items Dungeon Master’s Guide

You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon, which has no string. Each time you pull your arm back in a firing motion, a magical arrow made of golden energy

an object that isn’t being worn or carried, provided the object is small enough to fit inside a 5-foot Cube. The arrow teleports the target to an unoccupied space you can see within 10 feet of

Beholder

Monsters Monster Manual

":"Disintegration Ray", "rollDamageType":"Force"} Force damage. If the target is a nonmagical object or a creation of magical force, a 10- foot Cube of it disintegrates into dust. Success: Half damage. Failure

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

Hat of Many Spells

Magic Items Dungeon Master’s Guide

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

, and attacks you. 91–95 A vertical, 10-foot-diameter, two-way portal to another plane of existence opens in an unoccupied space within 30 feet of you and remains open until the end of your

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

Horizon Puzzle Cube

Magic Items Bigby Presents: Glory of the Giants

work and a successful DC 25 Intelligence (Investigation) check. When the cube is solved, a 30-foot-diameter portal appears before the creature who solved the cube, leading to the northeastern platform

A Horizon puzzle cube is an 8-inch magical cube made of gold, iron, crystal, and copper, and it is worth 5,000 gp to a sage or collector. A functioning puzzle cube can be solved with 30 minutes of

Rust Monster Legacy

Monsters Basic Rules (2014)

dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the

of it. If the object isn't being worn or carried, the touch destroys a 1-foot cube of it. If the object is being worn or carried by a creature, the creature can make a DC 11 Dexterity saving throw to

Control Winds

Spells Elemental Evil Player's Companion

enter or leave the cube or pass through it have disadvantage on their attack rolls. If the wind is strong, any creature moving against the wind must spend 1 extra foot of movement for each foot moved

disadvantage on their attack rolls. A creature must make a Strength saving throw if it flies into the cube for the first time on a turn or starts its turn there flying. On a failed save, the creature

Drow Shadowblade Legacy

Monsters Mordenkainen’s Tome of Foes

attack it makes before the end of the turn. Sunlight Sensitivity. While in sunlight, the drow has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The

drow makes two attacks with its shadow sword. If either attack hits and the target is within 10 feet of a 5-foot cube of darkness created by the shadow sword on a previous turn, the drow can dismiss

Forcebreaker Weapon

Magic Items The Book of Many Things

You gain a +2 bonus to attack and damage rolls made with this magic weapon. This weapon was crafted to destroy structures made of force, such as those created by Forcecage or Wall of Force. Striking

a Large or smaller structure of magical force with this weapon automatically shatters that structure. If the target is a Huge or larger structure of force, this weapon shatters a 20-foot-cube portion of it.

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

Brigganock

Monsters The Wild Beyond the Witchlight

feet. If the brigganock dies, its soul light fades away. Tunneler. Using a pickaxe or similar tool, a brigganock can burrow through solid rock at a speed of 5 feet, leaving a 6-inch-diameter tunnel

brigganock, or any object being worn or carried by another creature, and the activity must take place within a 10-foot cube. For example, the brigganock could use this action to rapidly carve a

Forcecage Legacy

Spells Basic Rules (2014)

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

in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a solid

Drow Shadowblade (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

attack it makes before the end of the turn. Sunlight Sensitivity. While in sunlight, the drow has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The

drow makes two attacks with its shadow sword. If either attack hits and the target is within 10 feet of a 5-foot cube of darkness created by the shadow sword on a previous turn, the drow can dismiss

Ring of Shooting Stars Legacy

Magic Items Basic Rules (2014)

charges as an action to create one to four 3-foot-diameter spheres of lightning. The more spheres you create, the less powerful each sphere is individually. Each sphere appears in an unoccupied space

ring at a point you can see within 60 feet of you. Each creature within a 15-foot cube originating from that point is showered in sparks and must make a DC 15 Dexterity saving throw, taking 5d4 fire damage on a failed save, or half as much damage on a successful one.

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

Wave Legacy

Magic Items Dungeon Master’s Guide (2014)

weapon, Wave happily accepts new converts. You gain a +3 bonus to attack and damage rolls made with this magic weapon. If you score a critical hit with it, the target takes extra necrotic damage

use it as a cube of force by choosing the effect, instead of pressing cube sides to select it. Sentience Wave is a sentient weapon of neutral alignment, with an Intelligence of 14, a Wisdom of 10

Soul Monger Legacy

Monsters Mordenkainen’s Tome of Foes

advantage on attack rolls. Weight of Ages. Any beast or humanoid, other than a shadar-kai, that starts its turn within 5 feet of the soul monger has its speed reduced by 20 feet until the start of that

monger's next turn. Wave of Weariness (Recharge 4-6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Wave of Weariness"}. The soul monger emits weariness in a 60-foot cube. Each creature in

Barbatos

Monsters Infernal Machine Rebuild

Rust Monster Cloak. Any nonmagical weapon made of metal that hits Barbatos corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops

carried, the touch destroys a 1-foot cube of it. If the object is being worn or carried by a creature, the creature can make a DC 12 Dexterity saving throw to avoid Barbatos's touch. If the object

Bard

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

on a DC 12 Charisma saving throw or have disadvantage on ability checks, attack rolls, and saving throws until the start of the bard’s next turn.

Elder Tempest

Monsters Mordenkainen Presents: Monsters of the Multiverse

tempest is always at the center of a storm 1d6 + 4;{"diceNotation":"1d6+4","rollType":"roll","rollAction":"Living Storm"} miles in diameter. Heavy precipitation in the form of either rain or snow

in the area covered by the storm. The winds impose disadvantage on ranged attack rolls. The winds extinguish open flames and disperse fog. Siege Monster. The tempest deals double damage to objects

Elder Tempest Legacy

Monsters Mordenkainen’s Tome of Foes

storm 1d6 + 4;{"diceNotation":"1d6+4","rollType":"roll","rollAction":"Living Storm"} miles in diameter. Heavy precipitation in the form of either rain or snow falls there, causing the area to be lightly

winds impose disadvantage on ranged attack rolls. The winds extinguish open flames and disperse fog. Siege Monster. The tempest deals double damage to objects and structures.Multiattack. The tempest

Symbol Legacy

Spells Basic Rules (2014)

, a scroll, or a treasure chest). If you choose a surface, the glyph can cover an area of the surface no larger than 10 feet in diameter. If you choose an object, that object must remain in its place

communication and has disadvantage on attack rolls and ability checks. Fear. Each target must make a Wisdom saving throw and becomes frightened for 1 minute on a failed save. While frightened, the

Teleport Legacy

Spells Basic Rules (2014)

you target an object, it must be able to fit entirely inside a 10-foot cube, and it can't be held or carried by an unwilling creature. The destination you choose must be known to you, and it must be

on the same plane of existence as you. Your familiarity with the destination determines whether you arrive there successfully. The GM rolls d100 and consults the table. Familiarity Mishap

Shadar-kai Soul Monger

Monsters Mordenkainen Presents: Monsters of the Multiverse

shadar-kai has temporary hit points from this trait, it has advantage on attack rolls. Weight of Ages. Any Beast or Humanoid (except an elf) that starts its turn within 5 feet of the shadar-kai has its

, 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

Ambitious Assassin

Monsters The Book of Many Things

, filling a 10-foot cube within 5 feet of the assassin. Each creature of the assassin’s choice in that area takes 9 (2d8);{"diceNotation":"2d8", "rollType":"damage", "rollAction":"Vanishing Escape

two creatures the villain can see in the lair. Each target must succeed on a DC 15 Dexterity saving throw or be struck by a trap. The villain rolls a number of d6s equal to its proficiency bonus, and

Yeenoghu Legacy

Monsters Out of the Abyss

same effect two rounds in a row. Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in

, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Regional Effects The region containing Yeenoghu’s lair is warped by his

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Iron Spike

. Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in the space where the spike emerges

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

weapon the target is carrying or wearing takes a permanent −1 penalty to damage rolls. The penalty worsens each time a target is subjected to this effect. If the penalty on an object drops to

, this creature can move up to 20 feet through spaces no more than an inch in diameter. It must end this movement in a space that can accommodate its full size. Otherwise, it takes 5 force damage and

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

damage and is magically weakened as it is desynchronized from the time stream. While the creature is in this state, attack rolls against it have advantage, it has the poisoned condition, and other

the effect on itself after it succeeds on three of these saves. Time Gate (1/Day). The dragon conjures a 20-foot-diameter, circular portal in the space between its horns or in an unoccupied space it

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