before both desired ceiling repeat

Brain in Iron

Monsters Infernal Machine Rebuild

);{"diceNotation":"2d8+4","rollType":"damage","rollAction":"Mind Blast","rollDamageType":"psychic"} psychic damage and be stunned for 1 minute. A creature can repeat the saving throw at the end of each of its

operate a new mechanical body. The brains share insights and knowledge with one another, and have typically been taken from creatures that desired to prolong their consciousness — or that were tasked

Ancient Blue Dragon Legacy

Monsters Basic Rules (2014)

that is within 120 feet of the dragon and aware of it must succeed on a DC 20 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its

same effect two rounds in a row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10

Adult Blue Dragon Legacy

Monsters Basic Rules (2014)

that is within 120 feet of the dragon and aware of it must succeed on a DC 17 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its

effect two rounds in a row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10

Zikzokrishka

Monsters Candlekeep Mysteries

Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature’s saving throw

, Zikzokrishka can take a lair action to cause one of the following effects. She can’t use the same effect two rounds in a row: Part of the ceiling collapses above one creature that Zikzokrishka

Adult White Dragon Legacy

Monsters Basic Rules (2014)

feet of the dragon and aware of it must succeed on a DC 14 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect

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

Ancient White Dragon Legacy

Monsters Basic Rules (2014)

feet of the dragon and aware of it must succeed on a DC 16 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the

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

Ancient Brass Dragon Legacy

Monsters Basic Rules (2014)

minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the

speed.A Brass Dragon’s Lair A brass dragon’s desert lair is typically a ruin, canyon, or cave network with ceiling holes to allow for sunlight. Lair Actions On initiative count 20 (losing

Adult Brass Dragon Legacy

Monsters Basic Rules (2014)

minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the

’s desert lair is typically a ruin, canyon, or cave network with ceiling holes to allow for sunlight. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action

Iymrith

Monsters Storm King's Thunder

DC 20 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving

row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10 (3d6);{"diceNotation":"3d6

Hulgaz

Monsters The Book of Many Things

its turns and has disadvantage on Wisdom saving throws. A target can repeat the Constitution saving throw at the end of each of its turns, ending the effect on itself on a success. Spellcasting

claws, glossy black eyes, and a snakelike tail tipped with a poisonous spike. On the rare occasion when her social graces fail to achieve the desired result, Hulgaz turns her natural weapons on her

Ancient Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.The dragon can take 3 legendary actions, choosing from the options below. Only one legendary

poisoned creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.Making their lairs in the depths of the Underdark, deep dragons are nightmarish

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.The dragon can take 3 legendary actions, choosing from the options below. Only one legendary action can

. The poisoned creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.Making their lairs in the depths of the Underdark, deep dragons are

Baphomet

Monsters Mordenkainen Presents: Monsters of the Multiverse

minute. A frightened creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. These later saves have disadvantage if Baphomet is within line of

action to land on a ceiling to attack targets flying near it. Seal the Way. Baphomet seals one doorway or other entryway within the lair. The opening must be unoccupied. It is filled with solid stone

Baphomet Legacy

Monsters Out of the Abyss

repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. These later saves have disadvantage if Baphomet is within line of sight of the creature. If a creature

gravity reversal if he’s in the room, although he likes to use this action to land on a ceiling to attack targets flying near it. Baphomet casts mirage arcane, affecting a room within the lair

Hierophant Medusa

Monsters The Book of Many Things

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

restrained creature must repeat the saving throw at the end of its next turn. On a failed save, it has the petrified condition, and on a successful save, the effect ends on it. The petrification lasts

Becoming Lost

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

succeeds, the party travels in the desired direction without becoming lost. If the check fails, the party inadvertently travels in the wrong direction and becomes lost. The party’s navigator can repeat

Developing a Darklord

Compendium - Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft

their evil? Did that reaction encourage greater crimes? Were these rewards earned or justified? Did the Darklord repeat or escalate their wickedness to obtain something they selfishly desired? Did the

Runic Circle Magic

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

the appropriate level and succeeds on an Intelligence (Arcana) check with a DC equal to 10 + the desired spell’s level, the creature can cast the spell immediately without expending a spell slot. A

character that is a wizard can copy the spell into the character’s spellbook following the usual procedure, but must do so within 24 hours, or the character must repeat the hour of study to try again

Inner Ward

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

is rediscovered, it must be thoroughly explored, the resources within cataloged, and the space tested for its stability. When an extradimensional space is no longer needed or desired, the archmages of

its labyrinthine halls and extradimensional spaces. The oldest of the library’s buildings are soaring stone affairs with floors crafted from lustrous dark wood and floor-to-ceiling shelves. Ceiling

3U. Observatory

Compendium - Sources->Dungeons & Dragons->Hoard of the Dragon Queen

without being accompanied by one of the two cult officers, the gargoyles tear open the observatory’s four ceiling hatches and attack. This is the only intrusion they respond to. The gargoyles don’t

and a successful DC 15 Dexterity (Sleight of Hand) check. If the Intelligence check fails, the desired location can’t be found. If the Dexterity check fails, the image is too distorted to convey any

3U. Observatory

Compendium - Sources->Dungeons & Dragons->Tyranny of Dragons

without being accompanied by one of the two cult officers, the gargoyles tear open the observatory’s four ceiling hatches and attack. This is the only intrusion they respond to. The gargoyles don’t

and a successful DC 15 Dexterity (Sleight of Hand) check. If the Intelligence check fails, the desired location can’t be found. If the Dexterity check fails, the image is too distorted to convey any

Grell

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

Grell A grell resembles a bulbous floating brain with a wide, sharp beak. It prefers to ambush lone creatures or stragglers, hovering silently near the ceiling of a passage or cavern until a suitable

: 7 (1d10 + 2) piercing damage, and the target must succeed on a DC 11 Constitution saving throw or be poisoned for 1 minute. The poisoned target is paralyzed, and it can repeat the saving throw at

Whorlstone Tunnels

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

features are prevalent throughout the Whorlstone Tunnels. Ceilings and Floors. The average ceiling height is 50 feet, dropping to 25 feet in narrow tunnels. Narrow Tunnels. The narrowest tunnels are

Tunnels. Any creature that drinks the foul water must succeed on a DC 12 Constitution saving throw or become poisoned. The poisoned creature can repeat the saving throw at the end of each hour to end

M18. Audience Chamber

Compendium - Sources->Dungeons & Dragons->The Wild Beyond the Witchlight

M18. Audience Chamber The walls of this chamber are jet black, with gold-painted scrollwork where the walls meet the ceiling and each other. Ornate, high-backed armchairs face a raised dais. An

predicts that player’s character might die. (You can devise other unhappy endings, if desired.) Unhappy Endings d8 Cause of Death 1 Eaten alive by a dragon 2 Stabbed through the heart by an invisible

3. False Entrance

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

a DC 15 Constitution saving throw or take 5 (1d10) poison damage and 5 (1d10) acid damage. While any affected creature remains in the tunnel, it must repeat the saving throw at the start of each of

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

22. Frictionless Trap

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a4

(1d12) damage and must succeed on a DC 15 Constitution saving throw or contract a disease called super-tetanus (see below). The walls, ceiling, and floor of the area between the pits are covered with a

. The creature takes 11 (2d10) damage at the start of each of its turns. If a victim is not cured by other means, it can repeat the saving throw at the end of every minute after becoming exposed, ending the effect on itself with a successful save.

19. Obo'laka's Shrine

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

from this side, though three knock spells will do the trick. 19C. Sun Pool A glorious sun is carved on the ceiling, directly above a pool of still water. The ceiling reflected in the pool doesn’t show a

characters enter this room via the pool, read: A full moon is carved on the ceiling here, directly above the pool. The walls are decorated with reliefs of the Omuan people carrying out daily chores

18. Corridor Protected by Fear Gas

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

retrace its steps, moving away from this area of the tomb by the safest route possible. The creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a

down. The way is blocked by thick webbing that fills the area from steps to ceiling. The steps down to the chamber at the end are filled with webs (as the spell) which can only be removed by magical

Astral Plane

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

how perilous it will be, just which direction to go in. The DM decides how long it takes to get to a desired destination. A trek to a specific location—a particular Wildspace system or Astral outpost

by physical eyes, their colors are understood rather than seen.) Traveling to another plane requires locating a color pool that leads to the desired plane. These gateways can be identified by color

38. Revolving Room Trap

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

tunnel slope inward as they approach the ten-foot-high ceiling. Patches of mold cling to the walls and floor in the eastern half of the hall. Cut into the floor at the west end of the corridor is a

through the rectangular hole in the ceiling (area 38B) or through a stone door in the south wall. This room is shaped like a drum or cylinder lying on its side, with its south end tapering toward a small

Death Tyrant

Compendium - Sources->Dungeons & Dragons->Monster Manual (2014)

dark crevice in the ceiling. These motes cast an eerie glow on the great, alien skull that hung beneath them.” — from the Journal of Jastus Hollowquill, explorer of Undermountain Deathly Despot

minute. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Fear Ray. The targeted creature must succeed on a DC 17 Wisdom saving throw or

Fallen Angels

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

protective covering) knows that angel’s name and experiences the effect described below. If you wish, you can roll a d8 to determine which angel a character touches, rerolling any repeat results

effect can’t trigger that particular angel’s effect again until 24 hours have elapsed. Anaya This angel reaches toward the ceiling, its face a mask of hatred. A creature that makes contact with this

Magical Effects

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

stabilizes gravity so that creatures stand upright even though the city rests at an angle. This enchantment extends over the enclave in a hemisphere whose ceiling is 800 feet high. Humanoids who

otherwise turn against the victim. Whenever it finishes a long rest, an infected humanoid must repeat the saving throw. On a successful save, the DC for future saves against the arcane blight drops by

Ground Floor

Compendium - Sources->Dungeons & Dragons->Ghosts of Saltmarsh

creature can repeat the saving throw every 15 minutes. Development. At your discretion, the smuggler in the cellar below the trapdoor might notice the magic mouth being triggered. In this case, the

Aside from a large amount of plaster that has fallen from the ceiling, this room is bare. The floor in the room above (see area 14) is considerably weaker than elsewhere, a fact visible to any who look

47. Elemental Cells

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

blast out of this cramped cell. The walls are scribed with relief carvings showing volcanoes setting cities ablaze. Rows of tiny holes are bored into the floor and the ten-foot-high ceiling. A human

the cells or die trying. A wedge, spike, or similar object can be used to prevent the door from closing. Lava Trap. Molten lava begins pouring from the tiny holes in the ceiling as soon as any

D&D Beyond

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