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Returning 35 results for 'before being diameter ceiling regain'.
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Spells
Elemental Evil Player's Companion
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
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
Astral Dreadnought
Legacy
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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
Magic Items
Icewind Dale: Rime of the Frostmaiden
hold. The largest mythallars are 150 feet in diameter.
The Ythryn mythallar is a relatively small device—a mere 50 feet in diameter. To attune to this mythallar, a creature must finish a short
mythallar and all structures held aloft by it hover in place when not in motion.
As an action, you can cause one magic item you are holding within 30 feet of the Ythryn mythallar to immediately regain
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
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
Magic Items
Phandelver and Below: The Shattered Obelisk
You can use an action to place this 1-inch-diameter granite sphere on the ground and speak its command word, which is “petrification” in Terran. The sphere rapidly grows into a stout
tower that remains until you use an action to touch the tower and speak the command word again, whereupon the tower shrinks back to a 1-inch-diameter granite sphere. The tower must be empty to shrink in
Monsters
Fizban's Treasury of Dragons
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
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
Monsters
Fizban's Treasury of Dragons
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
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
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
Monsters
Fizban's Treasury of Dragons
from the ceiling, giving the place a warm, cozy glow. (The lanterns might be magical or maintained by minions.) The floors are covered with plush sand-colored carpets.
Hoard Chamber. A small chamber in
infuses the lair until initiative count 20 on the next round. While the infusion lasts, creatures in the lair other than the dragon can’t regain hit points.
Regional Effects
The region
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
difficult terrain with a 10-foot radius that lasts until the rubble is cleared. Each 5-foot-diameter portion of the area requires at least 1 minute to clear by hand. If a pillar is created under a
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
difficult terrain with a 10-foot radius that lasts until the rubble is cleared. Each 5-foot-diameter portion of the area requires at least 1 minute to clear by hand. If a pillar is created under a
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->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->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
Monsters
Fizban's Treasury of Dragons
state but are hung with the dragon’s collection of nautical paintings, mirrors, and sun-colored tapestries. Numerous gold-and-glass hanging lanterns are suspended from the ceiling, giving the
initiative count 20 on the next round. While the infusion lasts, creatures in the lair other than the dragon can’t regain hit points.
Regional Effects
The region surrounding a legendary topaz dragon
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
Compendium
- Sources->Dungeons & Dragons->Dragonlance: Shadow of the Dragon Queen
the ceiling. Characters who try to use the flying citadel helm can make a DC 10 Intelligence (Arcana) check. If they succeed, they realize it’d take several hours to attune to it and regain control of
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
Second Floor This level of the tower has an 80-foot-high ceiling and tall, slender windows set with panes of stained glass. Furnishings include a giant-sized bed and an enormous wooden chest sealed
10 feet above the floor is a navigation orb (see appendix B) that Zephyros uses to control the movement of the tower. Zephyros uses magic to move between levels. A 20-foot-diameter hole in the floor
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
feet in diameter. A character who examines the ceiling closely can spot the circular seam in the rock with a successful DC 15 Wisdom (Perception) check. The stone plug, which weighs 1,000 pounds, has
leather-bound tome (Ezzat’s spellbook) is clutched to the statue’s chest.
Secret Door. Hidden in the ceiling is a secret door leading to area 23 (see “Stone Plug” below).
The statue projects an
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
51. Wind Tunnel This five-foot-diameter passage is dry and dusty, and it shows no sign of having been used for ages. Near the top of the corridor walls, about three feet from the ceiling, stone
lintels run the length of the passage. The corridor abruptly widens to a cube fifteen feet on a side with a corrugated floor. In the ceiling of this area, a bronze, circular trapdoor is set. The cover is
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
Mudslick Tower Wondrous Item, Very Rare You can use an action to place this 1-inch-diameter granite sphere on the ground and speak its command word, which is “petrification” in Terran. The sphere
rapidly grows into a stout tower that remains until you use an action to touch the tower and speak the command word again, whereupon the tower shrinks back to a 1-inch-diameter granite sphere. The tower
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
39. Chamber of the Second Sun This enormous chamber is thirty feet tall with mighty buttressing and a vaulted ceiling. Parts of the ceiling and walls have collapsed, and raw earth has spilled down
hole in the eastern ceiling, daylight and fresh air filter in. Above, through this gap, can be seen four baboons. They jump around the hole and scream in agitation, and as they do, dirt begins to slide
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
8. Hark’s Hoard A large round rock fills the low, 4-foot-diameter tunnel leading to this cave. The boulder fits snugly in the tunnel and must be pushed into the cave to clear the passage. Moving the
ceiling and contains a grass pallet (Hark’s bed), next to which rests a battered wooden chest with a rusty lock. The lock is purely for show and falls apart if handled roughly. Treasure The chest contains
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
ceiling of which is uneven and ranges in height from 15 to 30 feet. The cave’s other features are as follows: Moss. Thick moss grows on the walls and the ceiling.
Fungi. The earthen floor gives rise to a
illumination. These creatures are not under the myconids’ control and fight only in self-defense. The myconid sprouts form an inner ring 6 feet in diameter, and the adults are in a protective ring 10 feet in
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
Obstacle 1 Antilife aura with a radius of 1d10 × 10 ft.; while in the aura, living creatures can’t regain hit points 2 Battering winds reduce speed by half, impose disadvantage on ranged attack rolls 3
progress and must be hacked down (25 percent chance of a mold or fungus dungeon hazard hidden among them) 17 Poisonous gas (deals 1d6 poison damage per minute of exposure) 18 Reverse gravity effect causes creatures to fall toward the ceiling 19 Wall of fire blocks passage 20 Wall of force blocks passage
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
72. Trial of the Triangle The door to this area has a triangle carved into it. When the characters open the door, read: A five-foot-wide, floor-to-ceiling glass cylinder near the back wall of this
, revealing a triangular keyhole behind it. The cylinder is 5 feet in diameter, shaped of glass 2 inches thick. The triangular hole in the glass is 1 inch wide. The cylinder is normally impervious to damage and
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
clusters of amethyst crystals, including massive cathedral geodes 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
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
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
3. Serpents of the Sands Two rows of sandstone pillars support the ceiling of this vast chamber. Before Iymrith claimed it as her own, this room was once a secret temple belonging to a sect of desert
’ interpretations of the Night Serpent’s whispers, which she doesn’t understand. Floor-to-ceiling piles of sand have been pushed up in three of the room’s corners. One of the piles conceals a hole in the western
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
8. Egg Chamber The ceiling of this cavern is 80 feet high. A pair of purple worms have laid their eggs here, cementing them together and anchoring them to the cavern walls with their resinous saliva
. Seven clusters hold six eggs each, as noted on the map. Each egg is a silvery sphere 3 feet in diameter. Its shell is tough (AC 20), but an egg is destroyed if it takes any amount of damage. Three of