before block diffusing ceiling round

Summon Dragon

Spells Player’s Handbook

You call forth a Dragon spirit. It manifests in an unoccupied space that you can see within range and uses the Draconic Spirit stat block. The creature disappears when it drops to 0 Hit Points or

spell’s level in the stat block. Draconic Spirit Large Dragon, Neutral AC 14 + the spell’s level HP 50 + 10 for each spell level above 5 Speed 30 ft., Fly 60 ft., Swim 30 ft

Summon Elemental

Spells Player’s Handbook

You call forth an Elemental spirit. It manifests in an unoccupied space that you can see within range and uses the Elemental Spirit stat block. When you cast the spell, choose an element: Air, Earth

, Fire, or Water. The creature resembles a bipedal form wreathed in the chosen element, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or when

Web

Spells Player’s Handbook

the webs aren’t anchored between two solid masses (such as walls or trees) or layered across a floor, wall, or ceiling, the web collapses on itself, and the spell ends at the start of your next

no longer Restrained. The webs are flammable. Any 5-foot Cube of webs exposed to fire burns away in 1 round, dealing 2d4 Fire damage to any creature that starts its turn in the fire.

Summon Construct

Spells Player’s Handbook

You call forth the spirit of a Construct. It manifests in an unoccupied space that you can see within range and uses the Construct Spirit stat block. When you cast the spell, choose a material: Clay

, Metal, or Stone. The creature resembles an animate statue (you determine the appearance) made of the chosen material, which determines certain details in its stat block. The creature disappears when

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

Summon Beast

Spells Player’s Handbook

You call forth a bestial spirit. It manifests in an unoccupied space that you can see within range and uses the Bestial Spirit stat block. When you cast the spell, choose an environment: Air, Land

, or Water. The creature resembles an animal of your choice that is native to the chosen environment, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit

Summon Celestial

Spells Player’s Handbook

You call forth a Celestial spirit. It manifests in an angelic form in an unoccupied space that you can see within range and uses the Celestial Spirit stat block. When you cast the spell, choose

Avenger or Defender. Your choice determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or when the spell ends. The creature is an ally to you and your allies

Giant Insect

Spells Player’s Handbook

You summon a giant centipede, spider, or wasp (chosen when you cast the spell). It manifests in an unoccupied space you can see within range and uses the Giant Insect stat block. The form you choose

determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or when the spell ends. The creature is an ally to you and your allies. In combat, the creature

Summon Aberration

Spells Player’s Handbook

You call forth an aberrant spirit. It manifests in an unoccupied space that you can see within range and uses the Aberrant Spirit stat block. When you cast the spell, choose Beholderkin, Mind Flayer

, or Slaad. The creature resembles an Aberration of that kind, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or when the spell ends. The

Summon Undead

Spells Player’s Handbook

You call forth an Undead spirit. It manifests in an unoccupied space that you can see within range and uses the Undead Spirit stat block. When you cast the spell, choose the creature’s form

: Ghostly, Putrid, or Skeletal. The spirit resembles an Undead creature with the chosen form, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or

Summon Fiend

Spells Player’s Handbook

You call forth a fiendish spirit. It manifests in an unoccupied space that you can see within range and uses the Fiendish Spirit stat block. When you cast the spell, choose Demon, Devil, or Yugoloth

. The creature resembles a Fiend of the chosen type, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or when the spell ends. The creature is

Ancient White Dragon Legacy

Monsters Basic Rules (2014)

the ceiling to latch on like bats or slithering down icy crevasses. A legendary white dragon’s innate magic deepens the cold in the area around its lair. Mountain caverns are fast frozen by the

ceiling, striking up to three creatures underneath that the dragon can see within 120 feet of it. The dragon makes one ranged attack roll (+7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction

Adult White Dragon Legacy

Monsters Basic Rules (2014)

the ceiling to latch on like bats or slithering down icy crevasses. A legendary white dragon’s innate magic deepens the cold in the area around its lair. Mountain caverns are fast frozen by the

ceiling, striking up to three creatures underneath that the dragon can see within 120 feet of it. The dragon makes one ranged attack roll (+7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction

Web Legacy

Spells Basic Rules (2014)

their area. If the webs aren't anchored between two solid masses (such as walls or trees) or layered across a floor, wall, or ceiling, the conjured web collapses on itself, and the spell ends at the

spell save DC. If it succeeds, it is no longer restrained. The webs are flammable. Any 5-foot cube of webs exposed to fire burns away in 1 round, dealing 2d4 fire damage to any creature that starts its turn in the fire.

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8);{"diceNotation":"4d8","rollType":"damage

the next round. Regional Effects The region containing a legendary green dragon’s lair is warped by the dragon’s magic, which creates one or more of the following effects: Thickets

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8);{"diceNotation":"4d8","rollType":"damage

round. Regional Effects The region containing a legendary green dragon’s lair is warped by the dragon’s magic, which creates one or more of the following effects: Thickets form

Witchkite

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

will: detect magic, minor illusion, speak with dead 1/day each: detect thoughts, dimension door, hold monsterThe witchkite can take up to two reactions per round but only one per turn. Enchanting

the mostly forgotten adventurer Osval Dragons of Eldraine The dragons of Eldraine, are much like those of other D&D worlds. You can use any dragon stat block for a dragon of Eldraine. On

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

of the following lair actions; it can’t take the same lair action two rounds in a row: Green Slime. A green slime (see the Dungeon Master’s Guide) appears on a spot on the ceiling that

after 1 round. Any creature that starts its turn in the burning slime takes 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Slippery Slime","rollDamageType":"fire"} fire damage. Sticky

Claugiyliamatar (possessed)

Monsters Divine Contention

foot a creature travels through the wall, it must spend 4 feet of movement. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in

around one creature the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Wisdom saving throw or be charmed by the dragon until initiative count 20 on the next round

Adult Amethyst Dragon

Monsters Fizban's Treasury of Dragons

the air is cool and slightly damp. Glowing Crystals. Large clusters of glowing amethyst crystals grow out from the walls and ceiling, casting dim light in a 30-foot radius. Chimneys. Two chimneys

connect the main caves to the three chambers above. Each chimney appears to continue up through the ceiling of the upper level and down through the floor of the lower level, but the dragon’s

Juiblex Legacy

Monsters Out of the Abyss

. If the slime is set on fire, it burns away after 1 round. Any creature that starts its turn in the burning slime takes 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Burning Slime

creature enters the area for the first time on a turn or ends its turn there, that creature must make the same save.If the slime is set on fire, it burns away after 1 round. Any creature that starts its

Claugiyliamatar

Monsters Storm King's Thunder

wall, it must spend 4 feet of movement. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8

charmed by the dragon until initiative count 20 on the next round. Regional Effects The region containing a legendary green dragon’s lair is warped by the dragon’s magic, which creates one

Ancient Amethyst Dragon

Monsters Fizban's Treasury of Dragons

ceiling, casting dim light in a 30-foot radius. Chimneys. Two chimneys connect the main caves to the three chambers above. Each chimney appears to continue up through the ceiling of the upper level and

count 20 on the next round. A creature charmed in this way obeys to the best of its ability any command the dragon issues that isn’t directly harmful to the creature. Imprisoning Force. The

Ancient Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

conjures sludge-like moss that briefly covers surfaces in the lair. The ceiling, floor, and walls of the lair become difficult terrain until initiative count 20 on the next round. Toxic Spores. The

or ambush visitors if the need arises. A well-cultivated lair abounds with Underdark fungi and plants, with the floor, walls, and ceiling covered in carpets of mold and moss, or featuring larger

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

. Mossy Sludge. The dragon conjures sludge-like moss that briefly covers surfaces in the lair. The ceiling, floor, and walls of the lair become difficult terrain until initiative count 20 on the next round

that allow them to escape or ambush visitors if the need arises. A well-cultivated lair abounds with Underdark fungi and plants, with the floor, walls, and ceiling covered in carpets of mold and moss

Nafas

Monsters Quests from the Infinite Staircase

), Tongues, Wind Walk (as an action) 1/day each: Gaseous Form, Major Image, Teleport, WishNafas can take up to three reactions per round but only one per turn. Blowback. Immediately after a creature

, ushering them safely to the nearest staircase. Such creatures descend at a rate of 60 feet per round and take no damage from falling. Aberrations, Fiends, Undead, and creatures that fall due to Nafas&rsquo

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

any potential threats against her or her retinue. Until initiative count 20 of the next round, hostile creatures within the lair can’t become hidden from her and gain no benefit from the

21. Stone Block

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

the walls of these ruins. Furthermore, a gap of several inches is visible along the sides of the block and between the stone and the ceiling. This block was placed by the ancient architects to

walking speed of the slowest individual among the workers. If the block is pushed up the rollers, it will roll back next round to block the corridor if not braked with a large object.

Hierophant Medusa

Monsters The Book of Many Things

on initiative count 20 on the following round. Sudden Stonework. The medusa creates a wall of stone on a solid surface it can see within the lair. The wall can be up to 60 feet long, 20 feet high

a surface such as a ceiling with no way to remain there (for example, sufficient handholds), it falls at the end of this movement. Regional Effects The region containing a medusa’s lair is

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

, though, the servant uses its Ghost in the Machine property and turns the crew members against each other. If the crew members successfully implement the code, at the end of the third round, the

20. False Tomb

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

20. False Tomb Nested in the ceiling of the western tunnel is a stone block. A character who searches the tunnel spots the block with a successful DC 15 Wisdom (Perception) check. The block is part

reads “Drown your sorrows” in Common. If the illusory sunlight falling from the ceiling strikes the plaque when the coffin is opened, the stone block in the corridor outside the room slowly descends

67. Hall of the Golden Mastodon

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

67. Hall of the Golden Mastodon A character who searches for traps in the tunnel approaching this room notices a block of stone lodged in the ceiling with a successful DC 20 Wisdom (Perception) check

, Ch’gakare turns to smoke and is gone. The stone block that seals off the room retracts into the ceiling when Ch’gakare disappears. Treasure If stripped off, the mastodon’s gold leaf is worth 2,500 gp

K61. Elevator Trap

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

trap resets in 1 round: the portcullises come down, and the elevator compartment descends to its place in the hallway at the bottom of the shaft as the stone block rises to the top of the shaft. When the

K61. Elevator Trap See area K31 and the accompanying Elevator Trap diagram before running this encounter. This dusty, ten-foot-wide, thirty-foot-long corridor has a flat ceiling ten feet overhead. To

35. Xipe's Audience Chamber

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

damage. Otherwise, Xipe pulls the climber into his lair in 1 round. Creature. Beyond the hole in the ceiling is a chamber that measures 30 feet in each direction. It is the lair of Xipe, an oni. Xipe can’t

skins. A cat-o’-nine-tails hangs beside them. To the west the room widens to accommodate a statue that towers almost to the ceiling. The statue is an ogre-like figure, outfitted in flayed skins and

Delerium Fragment Legacy

Equipment

or a ceiling), which allows them to move as if they were climbing. Unattended objects float around randomly. 2 The nearest creature is affected by a hideous laughter spell (Save DC 15) but

powerful sensation of deja vu and are stunned for 1 round (No save). 4 The nearest creature becomes unstuck in time. It is affected by the blink spell for 1 minute. Instead of vanishing into the

D&D Beyond

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