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Returning 35 results for 'before blocking down ceiling reduces'.
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Astral Dreadnought
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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
damage reduces it to 0 hit points or it is incapacitated, the astral dreadnought swallows it. The swallowed target, along with everything it is wearing and carrying, appears in an unoccupied space on
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
", "rollAction":"Bite", "rollDamageType":"force"} force damage. If the target is a Huge or smaller creature and this damage reduces it to 0 hit points or it is incapacitated, the dreadnought swallows it. The
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
40. Lynnorax’s Lair Ceiling. This room has a 40-foot-high, domed ceiling.
Dracolich. Lynnorax, an adult blue dracolich, faces the double door to the east and exhales lightning in that direction as
soon as it sees intruders.
Pillars. The four pillars that buttress the ceiling are carved out of black crystal and inscribed with arcane runes.
Lynnorax fights without fear, knowing that its
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
the Rod of Seven Parts The walls and floor of this massive chamber alternate between gray, petrified stone and flexing muscle and flesh. Clinging to the ceiling is a serpentine monstrosity, like a
skinless snake. Its long, draconic snout drips with venom as it slumbers.
The creature sleeping on the ceiling is the hertilod (see appendix A) that swallowed the next rod piece. A character can move
Compendium
- Sources->Dungeons & Dragons->The Book of Many Things
and don’t need to consume any of their rations. They eat well that night, and each character begins the next day with inspiration. Reduced Travel Time. The characters find a shortcut that reduces the
this setback: perhaps the characters became lost in the woods or encountered an obstacle blocking their path. Add two more cards to the spread. Lost Gear. The characters lose their rations or are
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
Dungeon Master’s Guide). 12a. Hell Hounds Ceiling. This hall has an arched, 30-foot-high ceiling.
Hounds. Five hell hounds patrol the hall. They obey the commands of fire giants and attack intruders on
sight.
Open Pits. Three 10-foot-square pits in the floor contain discarded scraps of metal.
The pits are 70 feet deep but partially filled with scrap metal that reduces their effective depth. The
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
level. Characters who have a passive Wisdom (Perception) score of 14 or higher notice gaps in the ceiling, suggesting the presence of two hanging blocks of stone. Characters who search for traps and
the way takes 132 (24d10) bludgeoning damage and is knocked prone and pinned underneath the block, or crushed to a pulp if the damage reduces its hit points to 0. A creature pinned under a block is
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
them, my precious children! Make your father proud!” He then bolts as two oozes drop from the ceiling in front of you, their dark forms flowing in your direction with unsettling awareness and malevolence
.
The characters must contend with Princess Ebonmire and Prince Livid (see the “Royal Oozes” sidebar). These dimly intelligent oozes defend their master to the death, blocking the characters from
Compendium
- Sources->Dungeons & Dragons->Locathah Rising
, rising about a hundred feet up to the coral ceiling above. Bits and pieces of coral lay scattered about the floor of this chamber, apparently broken off from the surrounding walls and ceiling.
Assuming
, one of the kraken priests triggers the ballistae trap, firing both siege weapons simultaneously, while the other casts Evard’s black tentacles, effectively blocking off the entrance to area 10. On the
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
). Using a torch or other open flame to thaw the ice around the lever (which takes at least 1 minute) reduces the DC to 20. Moving the lever to the up position causes the portcullis in area 5 to rise into
the ceiling, leaving an open doorway 30 feet high. Pushing the lever down causes the portcullis to lower back into place. It takes about 6 seconds to fall, allowing creatures underneath it time to get
Monsters
Fizban's Treasury of Dragons
);{"diceNotation":"9d8", "rollType":"damage", "rollAction":"Essential Reduction", "rollDamageType":"necrotic"} necrotic damage. If this damage reduces the target to 0 hit points, it crumbles to dust.Decay and
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
", "rollType":"damage", "rollAction":"Essential Reduction", "rollDamageType":"necrotic"} necrotic damage. If this damage reduces the target to 0 hit points, it crumbles to dust.Decay and despair are bound up in
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
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
of the room’s trap (see “Trap” below). This room smells of wine. On a checkerboard marble floor, a gilded coffin sparkles in sunlight streaming down from the chamber’s vaulted ceiling, which arches
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
and initiative count 10. Active Elements. The Path of Blades includes a set of whirling blades along the first 80 feet of the trap, crushing pillars that slam down from the ceiling to the floor before
rising back up to the ceiling in the next 50 feet, and a rune of fear in its final 30 feet. Whirling Blades (Initiative 20). The blades attack each creature in the first 80 feet of the hallway, with a
Compendium
- Sources->Dungeons & Dragons->Keys from the Golden Vault
deliver unrefined ore to the foundry.
Map 5.2 includes an inset map that shows the foundry’s interior, which is one large, open space. The building has no ceiling, allowing heat and smoke to escape
, and green copper. Its heavy iron gauntlets are clenched into fists, and the ominous helm that forms its head turns slowly from side to side.
Shield Guardian. The construct blocking passage into
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
damage reduces it to 0 Hit Points, it disintegrates into dust. Death Ray. Dexterity Saving Throw: DC 17. Failure: 55 (10d10) Necrotic damage. Success: Half damage. Failure or Success: The target dies if
Compendium
- Sources->Dungeons & Dragons->Dragons of Stormwreck Isle
middle. 2nd-Level Characters. If the characters are 2nd level, two stirges clinging to the tunnel ceiling are disturbed if fighting breaks out in this area and join the battle. The stirges ignore the spore
ceiling, glistening like a glob of jelly.
Three myconid sprouts named Bispo, Valup, and Popple work here gathering fertilizer for use in area B2. The bulbous object is a stirge nest, which characters can
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
this hall are as follows: Chandeliers. Radiant crystal chandeliers levitate near the ceiling.
Paintings. Paintings line the walls. They come in many sizes and have gilded frames.
The hall contains
released and appears in an unoccupied space as close to the shield as possible. On a failed save, the creature takes 31 (7d8) necrotic damage. If this damage reduces the trapped creature to 0 hit points
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
running perpendicular to this one. Where the two halls meet, words have been scrawled on the ceiling in dried blood.
A secret door in the west wall slides open to reveal a dark tunnel leading to areas 26
and area 66. At the spot marked X on map 5.5, bloody words on the ceiling read, “AWAKEN NAPAKA!” 62B. Sloped Hall Large puddles of gray slime spread across the floor of this ten-foot-wide, gently
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
sets down his lantern and hides. The following descriptive text assumes this is the case: An enormous chamber with a twenty-foot ceiling has been carved out of the rock here. A lighted lantern rests
jumble does collapse. Then, a 10-foot section of the tunnel is buried in the heap, blocking passage. Removing the debris takes a few hours of work. Moving Stones. This area was a large storage cellar and
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
burst forth from the book like steam from a kettle, collecting along the ceiling until wisps of darkness outline a vague humanoid figure. Meanwhile, the scenes inside the book transform, creating an
. Noteworthy in the scene is the replica of the enormous sculpture hanging from the ceiling above the stacks (see area F1 for a description of the sculpture). Shemshime Medium undead
Armor Class 13
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
creature that steps on the pressure plate triggers the trap. Effect. An iron portcullis drops from the ceiling, blocking an exit or a passageway. Countermeasures. A successful DC 20 Wisdom (Perception
with leaves and dirt to look like solid ground. This type of trap is useful for blocking off the entrance to a monster lair, and usually has narrow ledges along its sides to allow for movement around
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
blood, and the scent of iron hangs thick in the air.
Twenty stirges hang from the ceiling of this cave. Bright light or any noise louder than a whisper disturbs the stirges, causing them to attack. L3
side of the cave.
The ceiling of this soiled cave is 50 feet high. This cave once hosted dozens of bats, but a cloaker that dwells here devoured them. The hungry creature hides among the
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
this damage reduces the creature’s hit points to 0, the creature is crushed to a pulp; otherwise, it is shoved into the room. When the mastodon statue begins to revolve, all creatures present should
Compendium
- Sources->Dungeons & Dragons->Descent into the Lost Caverns of Tsojcanth
hides hang from the stalactites above, flapping in a chilly draft. Sounds of flowing water echo from the far side of the cave.
The ceiling of this soiled cave is 50 feet high. This cave once hosted
on a DC 18 Intelligence (Investigation) check or who makes physical contact with one of them discerns their false nature. Crushing Ceiling Trap. A 20-foot-wide section of the ceiling over the skeleton
Compendium
- Sources->Dungeons & Dragons->Dragonlance: Shadow of the Dragon Queen
dimensions is carved into the ceiling directly above the slab. Scattered about it are skeletal remains intermingled with shards of glass.
Close inspection of the floor reveals the shards of glass are
center of this chamber. Scattered around it are the skeletal remains of an elf. An inset in the ceiling above the slab holds a mirror the same size as the slab.
A detect magic spell reveals the
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
Shift spell. The demiplane resembles a stone cave roughly 1,000 feet in diameter with a ceiling 100 feet high. Like a stomach, it contains the remains of past meals. The dreadnought can’t be harmed from
Weapon Attack: +16 to hit, reach 10 ft., one target. Hit: 36 (5d10 + 9) force damage. If the target is a Huge or smaller creature and this damage reduces it to 0 hit points or it has the incapacitated
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
that enables planar travel, such as the plane shift spell. The demiplane resembles a stone cave roughly 1,000 feet in diameter with a ceiling 100 feet high. Like a stomach, it contains the remains of
damage. If the target is a Huge or smaller creature and this damage reduces it to 0 hit points or it is incapacitated, the dreadnought swallows it. The swallowed target, along with everything it is
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
. Beholder Zombie Watcher. A beholder zombie floats near the 20-foot-high ceiling of this chamber, out of melee range. Painted in white around its central eye is a circle with ten equidistant spokes radiating
: Touching the arch with a nonmagical item made entirely of ferrous metal (such as an iron spike) reduces the item to powdered rust and opens the gate for 1 minute. Characters must be 9th level or
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
Derro Lair Locations The following locations are keyed to map 3.3. Jason A. Engle Map 3.3: Derro Lair View Player Version D1: Guardroom The far wall of this room and much of the ceiling have
: Overseer’s Room The walls and ceiling of this devastated room have mostly collapsed, and falling rock has smashed all the furniture except a sturdy chest in the south corner. Vials of blood, pouches
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
notices the trip wire and the stone block in the ceiling above it that is poised to fall when it is triggered. A character who searches carefully and who makes a successful DC 14 Wisdom (Perception
attempt to disarm it fails. When the trap triggers, the ceiling stone falls onto the creature. That creature must make a successful DC 14 Dexterity saving throw or take 18 (4d8) bludgeoning damage. B. Open
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
damage. If this damage reduces the creature to 0 hit points, its body becomes a pile of fine gray dust.
If the target is a Large or smaller nonmagical object or creation of magical force, it is
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
creature that steps inside the corridor triggers a trap. When the creature touches the corridor floor, the floor tiles depress, and a slab of stone lodged in the ceiling lowers to the ground, sealing
damage on a successful one. The stone slab seals off the corridor until the next dawn, when the slab rises into its ceiling cavity and the trap resets. In the meantime, a creature can use an action to
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
-foot-tall stone door swings into a 5-foot-diameter tunnel that leads to a similar door blocking entry to area X34. X30. Eastern Elevator The elevator shaft terminates in this room. A large stone wheel
door swings into a 5-foot-wide tunnel that leads to a similar door blocking entry to area X29. Torture Closet. The small room to the south contains an array of torture devices, including whips, mallets
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
room’s most prominent feature is the Steinfang, a 40-foot-long stalactite that hangs from the ceiling above the island. From a base 20 feet in diameter, it tapers to a rough point a few feet above the
magic weapon has no bonus to attack or damage rolls. A creature can attune to it, and the weapon enlarges or reduces to be an appropriate size for that creature. Once during this adventure, as an action






