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Returning 35 results for 'cone ceiling'.
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Monsters
Mordenkainen Presents: Monsters of the Multiverse
Antimagic Cone. The dreadnought’s eye creates an area of antimagic, as in the antimagic field spell, in a 150-foot cone. At the start of each of its turns, it decides which way the cone faces
. The cone doesn’t function while the eye is closed or while the dreadnought is blinded.
Astral Entity. The dreadnought can’t leave the Astral Plane, nor can it be banished or otherwise
Monsters
Fizban's Treasury of Dragons
creates a shining bead of gravitational force in its mouth, then releases the energy in a 60-foot cone. Each creature in that area must make a DC 20 Strength saving throw. On a failed save, the
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
creates a shining bead of gravitational force in its mouth, then releases the energy in a 90-foot cone. Each creature in that area must make a DC 23 Strength saving throw. On a failed save, 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
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
(Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Petrifying Gaze"}. The medusa unleashes petrifying magic from its eyes in a 30-foot cone. Each creature in that area must make a
Monsters
Fizban's Treasury of Dragons
"} slashing damage.
Desiccating Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Desiccating Breath"}. The dragon exhales yellowish necrotic energy in a 90-foot cone. Each
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
Monsters
Fizban's Treasury of Dragons
damage.
Desiccating Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Desiccating Breath"}. The dragon exhales yellowish necrotic energy in a 60-foot cone. Each
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
Astral Dreadnought
Legacy
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Monsters
Mordenkainen’s Tome of Foes
Antimagic Cone. The astral dreadnought's opened eye creates an area of antimagic, as in the antimagic field spell, in a 150-foot cone. At the start of each of its turns, the dreadnought decides which
way the cone faces. The cone doesn't function while the dreadnought's eye is closed or while the dreadnought is blinded.
Astral Entity. The astral dreadnought can't leave the Astral Plane, nor can it
Adult White Dragon
Legacy
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Monsters
Basic Rules (2014)
–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Cold Breath"}. The dragon exhales an icy blast in a 60-foot cone. Each creature in that area must make a DC 19 Constitution saving throw
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
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Monsters
Basic Rules (2014)
5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Cold Breath"}. The dragon exhales an icy blast in a 90-foot cone. Each creature in that area must make a DC 22 Constitution saving throw
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
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Monsters
Basic Rules (2014)
exhales sleep gas in a 90-foot cone. Each creature in that area must succeed on a DC 21 Constitution saving throw or fall unconscious for 10 minutes. This effect ends for a creature if the creature takes
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
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Monsters
Basic Rules (2014)
sleep gas in a 60-foot cone. Each creature in that area must succeed on a DC 18 Constitution saving throw or fall unconscious for 10 minutes. This effect ends for a creature if the creature takes
’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
Ancient Deep Dragon
Legacy
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monsters
Fizban's Treasury of Dragons
-foot cone. Each creature in that area must make a DC 19 Wisdom saving throw. On a failed save, the creature takes 49 (9d10);{"diceNotation":"9d10", "rollType":"damage", "rollAction":"Nightmare Breath
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
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monsters
Fizban's Treasury of Dragons
or uses its action to end it.
Nightmare Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Nightmare Breath"}. The dragon exhales a cloud of spores in a 60-foot cone
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->Waterdeep: Dungeon of the Mad Mage
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
statue is destroyed, it turns to dust. A delayed blast fireball spell (save DC 20) then immediately detonates in its space. Stone Plug. The secret door in the ceiling is an airtight, circular stone plug 8
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
, invisibility, or some other magic, a beholder can lurk in the dark and shoot any creature it can see within the range of its darkvision. A dark room with a 120-foot ceiling allows it to use this tactic
targets inside the area of its antimagic cone, the ability of its central eye is incredibly effective in combat — instantly crippling enemy spellcasters, revealing the exact location of anyone using
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
29. Old Books Light. Lanterns anchored to the 15-foot-high ceiling by iron chains are spaced 20 feet apart and have continual flame spells cast on them.
Bookshelves. Carved into the walls are five
constructs are helmed horrors armed with metal staffs. They have immunity to cone of cold, disintegrate, and fireball spells. On its turn, a Halaster horror can use its action to make two attacks with its staff, which deals 8 (1d8 + 4) bludgeoning damage on a hit.
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a4
an invisible electrical field that extends from floor to ceiling throughout the 70-foot-long corridor. The field isn’t directly harmful, but metal objects that pass between the plates become heated
damage, such as ice storm or cone of cold, which will nullify the effect long enough for the party to dash through.
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
, petrified, poisoned, prone, stunned
Senses darkvision 120 ft., passive Perception 19
Languages —
Challenge 21 (33,000 XP) Proficiency Bonus +7
Antimagic Cone. The dreadnought’s eye creates an
area of antimagic, as in the antimagic field spell, in a 150-foot cone. At the start of each of its turns, it decides which way the cone faces. The cone doesn’t function while the eye is closed or while
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
Perception 19
Languages —
Challenge 21 (33,000 XP) Proficiency Bonus +7
Antimagic Cone. The dreadnought’s eye creates an area of antimagic, as in the Antimagic Field spell, in a 150-foot cone. At
the start of each of its turns, the dreadnought decides which way the cone faces. The cone doesn’t function while the eye is closed or if the dreadnought has the blinded condition.
Astral Entity
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
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
twenty-five-foot-high ceiling, a five-foot-wide opening can be discerned in the red light of the room.
The statue represents Xipe, “Our Lord of the Flayed Skins.” The chamber serves as the foyer to
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
collapse an unstable section of ceiling. The trip wire is 3 inches off the ground and stretches between two weak supports that topple when the trip wire is pulled. The first creature that crosses the
trip wire causes the supports to topple and the unstable section of ceiling to collapse. Each creature beneath the unstable section of ceiling must succeed on a DC 13 Dexterity saving throw, taking 11
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
collapse an unstable section of ceiling. The trip wire is 3 inches off the ground and stretches between two weak supports that topple when the trip wire is pulled. The first creature that crosses the
trip wire causes the supports to topple and the unstable section of ceiling to collapse. Each creature beneath the unstable section of ceiling must succeed on a DC 13 Dexterity saving throw, taking 11
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
, paralyzed, petrified, poisoned, prone, stunned
Senses darkvision 120 ft., passive Perception 19
Languages —
Challenge 21 (33,000 XP)
Antimagic Cone. The astral dreadnought’s opened eye creates an
area of antimagic, as in the antimagic field spell, in a 150-foot cone. At the start of each of its turns, the dreadnought decides which way the cone faces. The cone doesn’t function while the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
see whatever is in front of it, but nothing behind it. It can’t speak, and its movement is limited to harmless flapping. It can’t use its Antimagic Cone trait or take any actions or reactions
. Embedded in the wall next to the door is a brass panel with four brass buttons arranged in a diamond formation. (A similar panel appears inside the chamber.)
Light. A crystal dome in the ceiling sheds
Compendium
- Sources->Dungeons & Dragons->Monster Manual
the death tyrant dies or moves its lair elsewhere, these effects end immediately. A cluster of tiny lights descended from a dark crevice in the ceiling. These motes cast an eerie glow on the great
the ray reduces it to 0 Hit Points. Bonus Actions
Negative Energy Cone. The death tyrant’s central eye emits an imperceptible, magical wave of negative energy in a 150-foot Cone. Creatures in that
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
caldera drop away from the edge of the cone, making a 60-foot descent to the lava below. The rough rock of the caldera is not overly difficult to climb, but the area grows increasingly hot as
creatures descend. Pillared Hall. The dragon sleeps in the large hall on the left edge of the map, where a row of crumbling pillars supports the ceiling and a narrow channel of lava keeps the hall hot. Hoard
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
supports keeping an unstable section of a ceiling in place. The trip wire is 3 inches off the ground and stretches between two support beams. The DC to spot the trip wire is 10. A successful DC 15
, the trap triggers. Anyone who inspects the beams can easily determine that they are merely wedged in place. As an action, a character can knock over a beam, causing the trap to trigger. The ceiling
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
in 6 rounds, and each round thereafter it will rise higher and encompass one more step. If unchecked, the flow of blood will fill the foyer to the ceiling in 20 rounds. Fire of any sort, magical or
, or one 4th-level) will stanch the flow of blood, as will a heal spell. If other magic is used against the blood, only the following spells will have any effect: Cone of cold freezes the blood and
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
dragon, it hangs suspended by chains from the ceiling of this chamber, blasted with fire to a dark ebony hue and bound by thick bands of bronze. Draconic runes etched into its surface glow with a
on a turn the creature enters a 150-foot cone in front of the horn or starts its turn there. On a failed save, the creature takes 27 (6d8) thunder damage and is knocked prone. On a successful save, the
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
dragon, it hangs suspended by chains from the ceiling of this chamber, blasted with fire to a dark ebony hue and bound by thick bands of bronze. Draconic runes etched into its surface glow with a purple
turn the creature enters a 150-foot cone in front of the horn or starts its turn there. On a failed save, the creature takes 27 (6d8) thunder damage and is knocked prone. On a successful save, the
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
, petrified, poisoned, prone
Senses darkvision 120 ft., passive Perception 22
Languages Deep Speech, Undercommon
Challenge 14 (11,500 XP)
Negative Energy Cone. The death tyrant’s central eye emits an
Compendium
- Sources->Dungeons & Dragons->Heroes of the Borderlands
teakettle to entice them to approach. If a character comes within 5 feet of the slit, the mephit exhales a 15-foot Cone of harmless steam and snickers at the character’s reaction. If the characters
Cells Four cold cells line one wall of this chamber. Floor-to-ceiling iron bars partition the cells, which are unlocked and devoid of valuables. Two of the cells contain unidentifiable skeletal remains
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a4
the mountain, showing their orientation with respect to one another. The only possible entrance into the cone is a cave on the south slope known as the Wizard’s Mouth. This cave actually seems to
does make the cave very uncomfortable, like a hot sauna bath interrupted by blasts of cold air. The ceiling and walls of the cave are slick with the condensed steam that runs down them. The floor is
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
. Flame Gout. A bubble of gas spontaneously ignites, creating a burst of flame identical to a burning hands spell. The cone starts in the space of a random character and shoots in a random direction
. Lava Rain. At the start of a round, lava droplets form on the ceiling and fall in a 20-foot-diameter area, dealing 9 (2d8) fire damage to any creature that enters the area for the first time on a turn
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
amber, a floor of red marble, and a rough-hewn shaft in the center of its ten-foot-high ceiling. Three amber sarcophagi stand in alcoves, and above each sarcophagus floats a human skull wreathed in green
flame. Three flameskulls guard this room. They attack intruders on sight. The shaft in the ceiling is 10 feet wide and 20 feet long, with abundant handholds. No ability check is required to climb it