Search Results
All Results
Characters
Compendium
Spells
Items
Monsters
Vehicles
Forums
Returning 35 results for 'before being diameter ceiling reduced'.
Magic Items
Dungeon Master’s Guide
This 2-foot-diameter black sphere is a hole in the multiverse, hovering in space and stabilized by a magical field surrounding it.
The sphere obliterates all matter it passes through and all matter
succeed on a DC 19 Dexterity saving throw or be touched by it, taking 8d10 Force damage. A creature reduced to 0 Hit Points by this damage is obliterated, leaving its possessions behind but no other
Monsters
Icewind Dale: Rime of the Frostmaiden
solid surface, such as a wall, ceiling, or floor. If it has no surface to attach to, the living spell is destroyed (see “Planar Destruction” below).
Extradimensional Chamber. When the living spell
, target, or deal damage to the living spell; however, they can damage the room around them. Each 5-foot-square section of ceiling, wall, and floor in the chamber has AC 17, 50 hit points, immunity to poison
Spells
Elemental Evil Player's Companion
reduced to 0 hit points, a pillar crumbles into rubble, which creates an area of difficult terrain with a 10-foot radius that lasts until the rubble is cleared. Each 5-foot-diameter portion of the area
You cause up to six pillars of stone to burst from places on the ground that you can see within range. Each pillar is a cylinder that has a diameter of 5 feet and a height of up to 30 feet. The
Astral Dreadnought
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Monsters
Mordenkainen’s Tome of Foes
resembles a stone cave roughly 1,000 feet in diameter with a ceiling 100 feet high. Like a stomach, it contains the remains of the dreadnought's past meals. The dreadnought can't be harmed from within
Ice Devil (Spear Variant)
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Monsters
Monster Manual (2014)
":"Ice Spear","rollDamageType":"cold"} cold damage. If the target is a creature, it must succeed on a DC 15 Constitution saving throw, or for 1 minute, its speed is reduced by 10 feet; it can take either
it's a hemispherical dome up to 20 feet in diameter.
When the wall appears, each creature in its space is pushed out of it by the shortest route. The creature chooses which side of the wall to end up on
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
, 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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
diameter with a ceiling 100 feet high. Like a stomach, it contains the remains of past meals. The dreadnought can’t be harmed from within the demiplane. If the dreadnought dies, the demiplane
Monsters
Fizban's Treasury of Dragons
next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell
than a foot in diameter that extend six to ten feet from the interior stone surfaces of the lair. These crystals resonate with the dragon’s presence, and glow with a soft inner light. The older
Monsters
Fizban's Treasury of Dragons
next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell
split open to show their contents and clusters of crystal points more than a foot in diameter that extend six to ten feet from the interior stone surfaces of the lair. These crystals resonate with the
Monsters
Spelljammer: Adventures in Space
Spelljammer Overload. If the leech is reduced to 0 hit points while attached to a ship that has a spelljamming helm, the creature attuned to that helm must make a DC 13 Constitution saving throw. On
shell is affixed to the ship by a glue-like substance secreted by the leech. The shell grows until it’s about 1 foot in diameter. The leech inside is reddish-purple in color, with a body resembling
Monsters
Spelljammer: Adventures in Space
-foot-diameter tunnel in its wake.
Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks.
Bite. Melee Weapon Attack: +11;{"diceNotation
","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t
Monsters
Spelljammer: Adventures in Space
-foot-diameter tunnel in its wake.
Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks.
Bite. Melee Weapon Attack: +14;{"diceNotation
Breath","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t
Ancient Deep Dragon
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Monsters
Fizban's Treasury of Dragons
.
Change Shape. The dragon magically transforms into any creature that is Medium or Small, while retaining its game statistics (other than its size). This transformation ends if the dragon is reduced to 0
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
Monsters
Princes of the Apocalypse
of Imix, and disappear if Imix is reduced to 0 hit points.Imix can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end
die and ponds dry up; after 10 days, unprotected livestock dies, and wells and small rivers dry up; after 20 days, large lakes and rivers are reduced in depth by 20 feet and shrink accordingly
Adult Deep Dragon
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Monsters
Fizban's Treasury of Dragons
. The dragon magically transforms into any creature that is Medium or Small, while retaining its game statistics (other than its size). This transformation ends if the dragon is reduced to 0 hit points
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
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
you can see within range. Each pillar is a cylinder that has a diameter of 5 feet and a height of up to 30 feet. The ground where a pillar appears must be wide enough for its diameter, and you can
target the ground under a creature if that creature is Medium or smaller. Each pillar has AC 5 and 30 hit points. When reduced to 0 hit points, a pillar crumbles into rubble, which creates an area of
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
you can see within range. Each pillar is a cylinder that has a diameter of 5 feet and a height of up to 30 feet. The ground where a pillar appears must be wide enough for its diameter, and you can
target the ground under a creature if that creature is Medium or smaller. Each pillar has AC 5 and 30 hit points. When reduced to 0 hit points, a pillar crumbles into rubble, which creates an area of
Compendium
- Sources->Dungeons & Dragons->The Wild Beyond the Witchlight
silhouettes of fir trees, lit from behind and above by a white, moon-like sphere of glass that hangs from the ceiling by a short chain and casts long shadows on the walls. Suspended above the stage is a
. Shadows that are reduced to 0 hit points are destroyed and reattach to their original owners as normal shadows. A creature whose Strength is reduced to 0 by a shadow’s Strength Drain attack does not die
Monsters
The Book of Many Things
DC 15 Constitution saving throw. On a failed save, a target’s speed is reduced to 0 and can’t increase. On a successful save, its speed is halved. The target’s speed returns to normal
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
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
Q33. Collapsed Ceiling The roof over this part of the mansion has collapsed, creating a twenty-foot-diameter gaping hole with broken rafters bisecting it. Dark storm clouds roll across the sky
overhead. The floor is piled with rocks, broken tiles, shattered beams, and other debris. Beneath the rubble lie a sagging floor and puddles of rainwater. The ceiling here is 20 feet high, and the rubble is
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
21. Night and Day Timekeeper. Four pillars support the 20-foot-high ceiling. An iron ring 20 feet in diameter is suspended from iron brackets affixed to the tops of the pillars so that it hangs
parallel to the floor 20 feet below. Nested inside this ring is a circular iron disk of slightly smaller diameter with a symbol of the sun embossed on one side and a symbol of the moon on the opposite side
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
29. Foggy Hall The floor of this room is heavily obscured by a 2-foot-high blanket of thick fog. It swirls lazily around the base of a 20-foot-diameter, cylindrical stone column that supports the 20-foot-high ceiling. Rusty iron torch sconces mounted to this central column stand empty.
Compendium
- Sources->Dungeons & Dragons->Rrakkma
Area Information Dimensions & Terrain This oddly circular chamber is forty feet in diameter one way and fifty feet in diameter the other. Other Features Statues, carved from a pure white marble
held high above its head to support the ceiling, forty feet above. A pair of fist-sized black crystals is fitted to the statue’s eyes. The perimeter statues, six in all, appear to resemble naked humans
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
. The corridor is not guarded while the flying fortress is moored at the Stygian Dock. Signal Vents Tiny hatches in the hull connect to 1-foot-diameter chutes that ascend to the vessel’s command deck
. During battle, Zariel’s imp couriers use these chutes to enter and exit the flying fortress. Characters reduced to Tiny size or in gaseous form can navigate these narrow chutes to reach the command
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
19. Observation Room The floor of this room is 10 feet higher than the floor of area 18. A circular pane of crystal ten feet in diameter hangs vertically in this chamber, anchored to the ceiling
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
19. Observation Room The floor of this room is 10 feet higher than the floor of area 18. A circular pane of crystal ten feet in diameter hangs vertically in this chamber, anchored to the ceiling
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
8. Thanks for the Memories Ceiling. This cavern has a 30-foot-high ceiling.
Gas Spores. Three gas spores float above a large sinkhole surrounded by rubble. Another ten gas spores float inside the
sinkhole, which plunges 100 feet into darkness. (At the bottom of the sinkhole lies a moldering beholder corpse.)
Elevated Tunnel. A 10-foot-diameter tunnel in the west wall can be reached by
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
furnishings have been reduced to dust-covered heaps. Cobwebs cover arcane sigils carved into the walls. The ceiling here is 10 feet high. The sigils that cover the walls were once wards designed to
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
feet high. Clinging to the ceiling is a 20-foot-diameter, upside-down stone spider that resembles a giant tarantula.
Petrified Drow. Eight lifelike statues of drow warriors, four males and four
cobblestones at first glance. The floor is difficult terrain, as the skulls shift and break apart underfoot. 7b. Hall of the Spider That Waits Ceiling Sculpture. This chamber has a vaulted ceiling 40
Compendium
- Sources->Dungeons & Dragons->Rrakkma
Area Information Dimensions & Terrain A wrought iron spiral staircase, rusted and crumbling from disrepair and neglect, leads up to the ceiling of this circular chamber, twenty-five feet in diameter
. It appears that there may have once been a tower, or at the very least, another chamber above this room, but stone is all that remains where a doorway should be. The ceiling of this chamber is solid
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
X6. Southeast Annex This room is featureless except for a rough-edged, 10-foot-diameter circular hole in the floor to the east and empty torch sconces along the walls. Double doors of amber stand
open to the north and west. A single closed door lies just south of the western set of double doors. The ceiling here is 20 feet high. Beyond the open doors to the north, the characters can see a long
Delerium Chip
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Equipment
, delerium shatters and crumbles into worthless ash when reduced to zero hit points. However, delerium geodes release a random arcane anomaly (see Dungeons of Drakkenheim) when destroyed.
Delerium
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
Delerium Geode
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Equipment
, delerium shatters and crumbles into worthless ash when reduced to zero hit points. However, delerium geodes release a random arcane anomaly (see Dungeons of Drakkenheim) when destroyed.
Delerium
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
Delerium Massive Cluster
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Equipment
, delerium shatters and crumbles into worthless ash when reduced to zero hit points. However, delerium geodes release a random arcane anomaly (see Dungeons of Drakkenheim) when destroyed.
Delerium
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
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
comparison to what the cult claimed for Tiamat and what the dragon possesses in his other lairs. The vaulted ceiling is 60 feet high here. If Chuth is in the stronghold, he is initially found here only
of his total hoard, Chuth has no interest in dying to protect it. He flees when he is reduced to half his hit points or fewer. Neronvain fights until similarly reduced, then makes his way to Chuth