before block diameter cube reflection

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

Summon Fey

Spells Player’s Handbook

You call forth a Fey spirit. It manifests in an unoccupied space that you can see within range and uses the Fey Spirit stat block. When you cast the spell, choose a mood: Fuming, Mirthful, or Tricksy

. The creature resembles a Fey creature of your choice marked by the chosen mood, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or when the

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

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

Gingwatzim

Monsters Candlekeep Mysteries

-diameter sphere of luminous ectoplasm—into one of its two alternate forms, or from one of those forms back into its true form. In object form, it can’t move or make attacks but otherwise retains

its statistics, and it is indistinguishable from the thing it is imitating. In beast form, it retains its hit points but otherwise uses the stat block of the beast it is imitating. When it dies, the

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

Hook of Fisher's Delight

Magic Items Icewind Dale: Rime of the Frostmaiden

-foot cube. At the end of each uninterrupted hour of immersion, roll a d6. On a 6, a floppy, 6-inch-long magical fish appears on the end of the hook. The color and properties of the conjured fish are

wings, follows you around, and sings a beautiful tune in Aquan. It disappears after 2d4 hours or when reduced to 0 hit points. The fish uses the quipper stat block, except that it can breathe air and has

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

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.

Summon Fey Legacy

Spells Tasha’s Cauldron of Everything

You call forth a fey spirit. It manifests in an unoccupied space that you can see within range. This corporeal form uses the Fey Spirit stat block. When you cast the spell, choose a mood: Fuming

, Mirthful, or Tricksy. The creature resembles a fey creature of your choice marked by the chosen mood, which determines one of the traits in its stat block. The creature disappears when it drops to 0 hit

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

labyrinthine passages within 1 mile of the dragon’s lair. The thickets act as 10-foot-high, 10-foot-thick walls that block line of sight. Creatures can move through the thickets, with every 1 foot

);{"diceNotation":"1d6","rollType":"damage","rollAction":"Thicket","rollDamageType":"piercing"} piercing damage from thorns.Each 10-foot-cube of thickets has AC 5, 30 hit points, resistance to bludgeoning and

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

form labyrinthine passages within 1 mile of the dragon’s lair. The thickets act as 10-foot-high, 10-foot-thick walls that block line of sight. Creatures can move through the thickets, with every

);{"diceNotation":"1d6","rollType":"damage","rollAction":"Thickets","rollDamageType":"piercing"} piercing damage from thorns.Each 10-foot-cube of thickets has AC 5, 30 hit points, resistance to bludgeoning

Grim Champion of Bloodshed

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

fire, Wynemar embodies the havoc of violence and war. She rides a flaming steed that uses the nightmare stat block but is an Undead instead of a Fiend. The Grim Champions The Grim Harrow is led by

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

innumerable times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to

ground at a point he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving throw

Auril (Third Form)

Monsters Icewind Dale: Rime of the Frostmaiden

the effect on itself on a success.Third Form Auril’s third form, called Winter’s Womb or the Queen of Frozen Tears by her most ardent followers, is a 3-foot-diameter ice diamond containing

. A stat block is given for each of Auril’s three forms. These descriptions do not reflect Auril at full power, but rather Auril as she is encountered in this adventure.Lair Actions Auril

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to use this

at a point he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving throw or take

Claugiyliamatar

Monsters Storm King's Thunder

or more of the following effects: Thickets form labyrinthine passages within 1 mile of the dragon’s lair. The thickets act as 10-foot-high, 10-foot-thick walls that block line of sight

contact with the thickets or take 3 (1d6);{"diceNotation":"1d6","rollType":"damage","rollAction":"Thorns","rollDamageType":"piercing"} piercing damage from thorns.Each 10-foot-cube of thickets has AC 5

Air Envelopes

Compendium - Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Astral Adventurer’s Guide

Envelope and Gravity Plane Air Envelopes of Creatures The envelope of breathable air that forms around a creature takes the shape of a cube centered on that creature. The creature’s size determines the

cube’s dimensions, as shown in the Air Envelopes of Creatures table. Air Envelopes of Creatures Creature’s Size Air Envelope Tiny 2½-foot cube Small or Medium 5-foot cube Large 10-foot cube Huge 15

Sapphire Dragon Wyrmling

Monsters Fizban's Treasury of Dragons

half its burrowing speed and can leave a 5-foot-diameter tunnel in its wake.Bite. Melee Weapon Attack: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction":"Bite"} to hit, reach 5 ft

"} 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

Claugiyliamatar (possessed)

Monsters Divine Contention

passages within 1 mile of the dragon’s lair. The thickets act as 10-foot-high, 10-foot-thick walls that block line of sight. Creatures can move through the thickets, with every 1 foot a creature moves

thorns.Each 10-foot-cube of thickets has AC 5, 30 hit points, resistance to bludgeoning and piercing damage, vulnerability to fire damage, and immunity to psychic and thunder damage. Within 1 mile of its

Horizon's Edge Magic

Compendium - Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants

30-foot-diameter portal appears before the creature who solved the cube, leading to the northeastern platform of Horizon’s Edge. The portal is two-way and remains open for 10 minutes or until a

scattered across the Material and Inner Planes, and these cubes are among the few ways to enter Horizon’s Edge. A Horizon puzzle cube is an 8-inch magical cube made of gold, iron, crystal, and copper

Global

Compendium - Sources->Dungeons & Dragons->Sage Advice & Errata

K19. Old Library 59 K21. Lord’s Chamber 68 M21. Hall of Thirsting Stone 93 C24. Bridge of Heroes 104 E3. Niche Hall 105 E6. Bastian’s Quarters 106 E11. Cell Block 110 E26. Fire Temple 121 F18. Drow

Tomb 132 P11. Hunter’s Den 132 P15. Reflection Chamber 159 T9. Chamber of Moving Stones 172 D1. Switchbacks 174 D5. Chapel 186 X9. False Crypt [second paragraph after the boxed text] 187 X10. False Tomb

Gelatinous Cube

Compendium - Sources->Dungeons & Dragons->Heroes of the Borderlands

Gelatinous Cube Insatiable Block of Ooze Gelatinous Cube Large Ooze, Unaligned AC 6 Initiative −4 (6) HP 63 (6d10 + 30) Speed 15 ft. Ability Score Mod Save Str 14 +2 +2 Dex

, Prone Senses Blindsight 60 ft.; Passive Perception 8 Languages None CR 2 (XP 450; PB +2) Traits Ooze Cube. The cube fills its entire space and is transparent. Other creatures can enter that

Gelatinous Cube

Compendium - Sources->Dungeons & Dragons->Monster Manual

Gelatinous Cube Dungeon-Scouring Block of Ooze Habitat: Underdark; Treasure: Any Quivering masses of acidic goo, gelatinous cubes wobble through narrow caverns and dungeons, engulfing anything in

detritus sometimes floats within a gelatinous cube, hinting at its past meals. Roll on or choose a result from the Gelatinous Cube Debris table to inspire a gelatinous cube’s contents. Gelatinous

Vault of Reflection Features

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

Vault of Reflection Features Alien Growth The beholder’s aberrant influence permeates the stonework across this level of the tomb, causing purple mold to sprout from the floors, walls, and ceilings

character. (Roll a d10 and consult the beholder stat block to determine which ray it produces.) After making this attack, the eyestalk quickly disappears back into the mold.

14. Stonecarvers' Hall

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

14. Stonecarvers’ Hall The Melairkyn dwarves hauled blocks of unworked stone here to be carved into doors, statues, and other forms. 14a. South Entrance A 4-foot-square block of stone has fallen from

the ceiling of this hall and cracked in two on the floor. The block was released when someone stepped on a hidden pressure plate in the floor. (The trap failed to hit its intended target and no

Oozes

Compendium - Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Morte’s Planar Parade

gelatinous cube influenced by Gehenna floats a gigantic fiendish skull. Numerous Fiends revere the cube and interpret depraved schemes and threatening orders from its quivering. A Celestial seeks aid in

destroying the cube. 3 A bog in a region influenced by Carceri is swamped with countless black puddings. The characters are hired to recover a lost relic from the bottom of the bog. 4 A chef in the

Q1. Dragon Statue

Compendium - Sources->Dungeons & Dragons->Curse of Strahd

Q1. Dragon Statue Perched atop a ten-foot-wide, ten-foot-high cube of granite is a moss-covered statue of a dragon, its wings tucked close to its body. The statue looks east, toward the mansion. The

is 10 feet tall but looks much more imposing perched on the granite block. If scrutinized with a detect magic spell, the statue radiates an aura of evocation magic. The dragon statue used to breathe a cone of cold as part of a magic trap, but the trap no longer works (see area Q2).

35. Xipe's Audience Chamber

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3

adorned with skulls, with a gaping mouth wide enough to swallow a horse whole. It is seated atop a huge basin of red-hot coals, more than ten feet in diameter. Around the statue is a pile of splintered

past them. The panther has a mental block that prevents it from being able to see humans, which initially applies to other humanoids as well. It likewise ignores familiars, but it attacks any beast

7. Vampire Haven

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

wooden coffin resting on a 2-foot-high block of gray stone. The coffin is intact and has an obvious 1-inch-diameter hole bored into its foot panel. The coffin’s lid is unlocked. A thin layer of grave

leading to this area notice a 1-inch-diameter hole bored through it a few inches above the floor. This hole allowed the ancient vampire to enter and leave its lair in mist form. 7a. Hall of Retreat If they

3. Glabbagool

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

above the stone floor. All the visible items are trapped within the body of a gelatinous cube named Glabbagool — or at least, that’s what it has chosen to call itself. Unlike most gelatinous cubes

, instead asking who they are, where they come from, and why they have come to the temple. Other oozes won’t attack Glabbagool, so it can block a passageway to help the adventurers fend them off. However

3. False Entrance

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

relief carvings of grinning skulls. Four lines engraved at the center of the slab cross one another to form a star, with both ends of each line marking the location of a cube-shaped cavity cut into the

cavities. If puzzle cubes representing every trickster god except Unkh are inserted into the cavities in such a way that the cubes of rival gods are opposite to one another, a stone block slowly descends

Crystal Ball

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

Crystal Ball Wondrous item, very rare or legendary (requires attunement) The typical crystal ball, a very rare item, is about 6 inches in diameter. While touching it, you can cast the scrying spell

have truesight with a radius of 120 feet centered on the spell’s sensor. Left to Right: Circlet of Blasting, Cube of Force, Chime of Opening, and Cloak of the Manta Ray

Area of Effect

Compendium - Sources->Dungeons & Dragons->Player’s Handbook

: Cone Cube Cylinder Emanation Line Sphere An area of effect has a point of origin, a location from which the effect’s energy erupts. The rules for each shape specify how to position its

point of origin. If all straight lines extending from the point of origin to a location in the area of effect are blocked, that location isn’t included in the area of effect. To block a line, an

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