before block during cube rounds

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

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Grasping roots and vines

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

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Grasping roots and

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

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

Death Tyrant Legacy

Monsters Monster Manual (2014)

the target is a Huge or larger object or creation of magical force, this ray disintegrates a 10-foot cube of it. Death Ray. The targeted creature must succeed on a DC 17 Dexterity saving throw or

cube within 120 feet of the tyrant is filled with spectral eyes and tentacles. To creatures other than the death tyrant, that area is lightly obscured and difficult terrain until initiative count 20 on

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

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

one of the following lair actions; he can’t take the same lair action two rounds in a row: Banish. Geryon casts the banishment spell. Chill Blast. Geryon causes a blast of cold to burst from the

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

following lair actions; he can’t take the same lair action two rounds in a row: Banish. Geryon casts the banishment spell. Chill Blast. Geryon causes a blast of cold to burst from the ground

Beholder Legacy

Monsters Monster Manual (2014)

object or creation of magical force, this ray disintegrates a 10-foot cube of it. Death Ray. The targeted creature must succeed on a DC 16 Dexterity saving throw or take 55 (10d10);{"diceNotation

rounds in a row. Regional Effects A region containing a beholder’s lair is warped by the creature’s unnatural presence, which creates one or more of the following effects: Creatures

Unspeakable Horror (Loathsome Limbs)

Monsters Van Richten’s Guide to Ravenloft

in this stat block. Relentless Stride (Loathsome Limbs Only). The horror can move through the space of another creature. The first time on a turn that the horror enters a creature’s space

, determined by rolling on the Body Composition table. You can roll on the Limbs to customize it further, while results from the Hex Blast table replace that action in the stat block. If the results of

Unspeakable Horror (Oozing Organs)

Monsters Van Richten’s Guide to Ravenloft

in this stat block. Bile Body (Oozing Organs Only). Any creature that touches the horror or hits it with a melee attack takes 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction":"Bile

can roll on the Limbs to customize it further, while results from the Hex Blast table replace that action in the stat block. If the results of multiple tables conflict, chose your preferred result

Ancient White Dragon Legacy

Monsters Basic Rules (2014)

freezing breath. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in

lair. Freezing precipitation falls within 6 miles of the dragon’s lair, sometimes forming blizzard conditions when the dragon is at rest. Icy walls block off areas in the dragon’s lair

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

initiative count 20 (losing initiative ties), Geryon can take a lair action to cause one of the following effects; he can't use the same effect two rounds in a row: Geryon causes a blast of cold to burst

from the 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

Claugiyliamatar

Monsters Storm King's Thunder

effect two rounds in a row: Grasping roots and vines erupt in a 20-foot radius centered on a point on the ground that the dragon can see within 120 feet of it. That area becomes difficult terrain, and

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

Adult White Dragon Legacy

Monsters Basic Rules (2014)

breath. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in

lair. Freezing precipitation falls within 6 miles of the dragon’s lair, sometimes forming blizzard conditions when the dragon is at rest. Icy walls block off areas in the dragon’s lair

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

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

; the villain can’t take the same lair action two rounds in a row: Distraction. A shrill sound fills the lair. Creatures that can hear it must succeed on a DC 15 Constitution saving throw or

Geryon (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

initiative ties), Geryon can take a lair action to cause one of the following effects; he can't use the same effect two rounds in a row: Geryon causes a blast of cold to burst from the 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 or take 28 (8d6

Claugiyliamatar (possessed)

Monsters Divine Contention

(losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Grasping roots and vines erupt in a 20

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

Unspeakable Horror (Malleable Mass)

Monsters Van Richten’s Guide to Ravenloft

in this stat block. Amorphous (Malleable Mass Only). The horror can move through any opening at least 1 inch wide without squeezing.Multiattack. The horror makes two Limbs attacks. Limbs. Melee

the stat block. If the results of multiple tables conflict, chose your preferred result. The results of these tables are meant to be broad, so feel free to describe the details of an unspeakable

Unspeakable Horror

Monsters Van Richten’s Guide to Ravenloft

in this stat block. Amorphous (Malleable Mass Only). The horror can move through any opening at least 1 inch wide without squeezing. Bile Body (Oozing Organs Only). Any creature that touches the

the Limbs to customize it further, while results from the Hex Blast table replace that action in the stat block. If the results of multiple tables conflict, chose your preferred result. The results of

Arasta

Monsters Mythic Odysseys of Theros

":"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

5-foot cube of the web is destroyed if it takes at least 20 fire damage from a spell or other magical source on a single turn.Arasta can take 3 legendary actions, choosing from the options below

Unspeakable Horror (Aberrant Armor)

Monsters Van Richten’s Guide to Ravenloft

to customize it further, while results from the Hex Blast table replace that action in the stat block. If the results of multiple tables conflict, chose your preferred result. The results of these

fears of those they encounter. Mist horrors use the unspeakable horror stat block with the Malleable Mass body option, which makes them appear to be composed of living mist. Further details of a mist

Drow Matron Mother

Monsters Mordenkainen Presents: Monsters of the Multiverse

;Mothers of Rebellion Some matron mothers renounce Lolth and join the war against their former goddess. Such drow could be of any alignment, and they lose the following abilities in the stat block

can take one of the following lair actions when in her lair; she can’t take the same lair action two rounds in a row: Perceive Interlopers. The drow projects her mind throughout her lair, marking

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

action, you can command the servant to take one of the actions in its stat block or some other action. When a creature provokes an opportunity attack from the servant, you can use your reaction to command

), it requires two attuned crew members to be inside the servant and spend their actions on 3 consecutive rounds performing the command. Should the crew members begin the process of entering the code

3. False Entrance

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

its turns. After 10 rounds, the gas valves close and the stone block rises back into the ceiling. Any puzzle cubes still in their cavities are pushed out, and the trap resets. Any character searching

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

Nafas

Monsters Quests from the Infinite Staircase

friendly creatures. Lair Actions On initiative count 20 (losing initiative ties), Nafas can take one of the following lair actions; he can’t take the same lair action two rounds in a row

by the creature that slays him (see the Last Wish trait in Nafas’s stat block).Lightning, ThunderPoison; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

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

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

24. Adamantine Door

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7

24. Adamantine Door The tunnel from the south emerges into a corridor that then heads east. The door at the end is a great block of adamantine. It has permanent antimagic effects on it, and there is

no magical or physical way of forcing entry. There are three slots in the door at about waist height. If sword blades are shoved simultaneously into all the slots, the 1-foot-thick door will swing open. Five rounds later, the door slams shut. There is no way of opening it from the east side.

5. Tomb Stone and Wet Lime

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

, exposing the seams of one of the large stone blocks from which this structure was built. The tightly fitted stone seals off a tomb. The block is made of limestone, and the entire face of the plug is

wiped off or washed away. If cloth or soft leather is used to protect flesh from contact with the wet lime, the lime will soak through in 2 rounds. Nonmagical leather armor won’t absorb the lime, but

Security Forces

Compendium - Sources->Dungeons & Dragons->Keys from the Golden Vault

summon 1d4 clockwork defenders (see their description and stat block at the end of the adventure). These reinforcements arrive 2 rounds later. If the number of clockwork defenders summoned is greater than

Security Forces Tockworth created two primary types of automatons to protect Little Lockford: Clockwork Defenders. Little Lockford has twenty clockwork defenders (see their description and stat block

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).

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