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Returning 35 results for 'before barrier diffusing ceiling reveals'.
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Spells
Player’s Handbook
would sense the Alarm or Glyph of Warding spell or a mechanical pit trap, but it wouldn’t reveal a natural weakness in the floor, an unstable ceiling, or a hidden sinkhole.
This spell reveals
Find Traps
Legacy
This doesn't reflect the latest rules and lore.
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Spells
Basic Rules (2014)
would not reveal a natural weakness in the floor, an unstable ceiling, or a hidden sinkhole.
This spell merely reveals that a trap is present. You don't learn the location of each trap, but you do learn the general nature of the danger posed by a trap you sense.
Adult Brass Dragon
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Basic Rules (2014)
’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
illusion with a successful DC 20 Intelligence (Investigation) check. Any physical interaction with an image reveals it to be an illusion, because objects pass through it.
Whenever a creature with an
Ancient Brass Dragon
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Basic Rules (2014)
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
image from a distance can tell it’s an illusion with a successful DC 20 Intelligence (Investigation) check. Any physical interaction with an image reveals it to be an illusion, because objects pass
Monsters
The Book of Many Things
2/day: Mass Cure Wounds (cast at 8th level)
1/day each: Blade Barrier, Divination, Greater RestorationThe medusa can take 3 legendary actions, choosing from the options below. It can take only one
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->Tomb of Annihilation
characters can use spells such as gaseous form and misty step to move past the iron sheet. Any character who examines the barrier discovers that it slides up into the ceiling. Coiled springs provide
30. Iron Barrier Ahead of you, the face of a snarling minotaur is etched into a sheet of iron that bisects the crawlway. Its eyes have been cut out, letting you see through the sheet, beyond which
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
barrier to many characters but easily navigated by water-breathing creatures. Obstacles can affect more than one room. A chasm might run through several passages and chambers, or send cracks through
Blade barrier blocks passage 4–8 Cave-in 9–12 Chasm 1d4 × 10 ft. wide and 2d6 × 10 ft. deep, possibly connected to other levels of the dungeon 13–14 Flooding leaves 2d10 ft. of water in the area; create
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
8. Crossroads The ceiling of this 30-foot-high cavern is studded with stalactites, and the floor is so uneven that it counts as difficult terrain. A search of the cavern reveals nothing dangerous or valuable.
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
10. Conservatory Gossamer drapes cover the windows of this elegantly appointed hall, which has a brass-plated chandelier hanging from the ceiling. Upholstered chairs line the walls, and stained-glass
. Alabaster figurines of well-dressed dancers adorn the mantelpiece. Close inspection of them reveals that several are carvings of well-dressed skeletons.
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
. Inspection of the remains accompanied by a successful DC 15 Intelligence (Medicine) check reveals that the beholder died from fire, force, and necrotic damage. Inspection also reveals a treasure (see
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
39. Southwest Chamber The walls, floor, and ceiling of this room are scorched. Strewn about are blackened pieces of furniture, shards of smoky glass, and charred splinters of wood and bone. A
character who examines the room thoroughly and succeeds on a DC 14 Intelligence (Investigation) check concludes that four separate fiery eruptions caused the destruction. A successful DC 19 Intelligence (Arcana) check reveals that the damage was likely the result of a meteor swarm spell cast in the room.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
dozens of glinting objects in the goo beneath their feet. Further inspection reveals the sparkling objects are precious gems. For every minute the adventurers spend in this cave, there is a 25 percent
chance they attract the attention of 1d4 giant spiders from area 11. The spiders scuttle along the walls and ceiling, avoiding the gooey floor. Treasure If the adventurers take 10 minutes to search through the goo, they can retrieve a total of twenty 50 gp gems.
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->Rise of Tiamat
are quick to point out this anomaly, to prove to the characters that the maze is nothing to take lightly. The view from above reveals the maze as it exists in the real world. The view up the path from
ground level looks into the extradimensional space that Xonthal crafted as a barrier around his home. The tower’s entrance exists only within this extradimensional space. Entering the maze any other
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
bed fitted with leather restraints. At the foot of the bed rests a closed iron chest, is lid sculpted with an emblem.
A wooden ladder leads up to a trapdoor in the ceiling. Thin streams of water drip
through the trapdoor’s rotting wood, forming a puddle around the base of the ladder.
The ceiling here is 9 feet high. The manacles are rusted and can be easily torn from the walls. The trapdoor in
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
to stone and placed here by Halaster to lure other adventurers to their doom (see “Pit Trap” below). Pit Trap A detect magic spell reveals an aura of transmutation magic around the pit. Each time
Dexterity saving throw, taking 88 (16d10) bludgeoning damage on a failed save, or half as much damage on a successful one. Creatures that are gaseous, amorphous (such as an ooze), or protected by an impenetrable magical barrier (such as that created by an Otiluke’s resilient sphere spell) take no damage.
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
quick to point out this anomaly, to prove to the characters that the maze is nothing to take lightly. The view from above reveals the maze as it exists in the real world. The view up the path from
ground level looks into the extradimensional space that Xonthal crafted as a barrier around his home. The tower’s entrance exists only within this extradimensional space. Entering the maze any other way
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a4
reveals that the opulent bed is only an old straw mattress, and the delicious treats are just ordinary rations. The walls, floor, and ceiling of the room are quite bare. A dispel magic spell will
13. Snarla’s Sanctum Unlike the room you just left, this place is beautifully decorated. The floor is covered by fine rugs, the walls by erotic tapestries and shimmering curtains, the ceiling by an
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
the mines. Glittering minerals in the ceiling of this large cavern catch the light and send it back to create the impression of a starry night sky. Dozens of skeletons—many crushed under fallen debris
, into which a flight of stairs has been cut. Passages lead out of this area to the north, south, and west.
The damaged buildings are described in areas 14 and area 15. Minerals in the ceiling are
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
. Directly above the ring and the disk is a 10-foot-deep, dome-shaped concavity in the ceiling.
Statues. Nestled in alcoves are two life-size statues of robed human wizards, their faces obscured
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
the ceiling of area 35. Magical darkness fills the mouth and the shaft. A detect magic spell or similar effect reveals auras of evocation and illusion magic within the shaft. A successful dispel magic
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
spell would sense an area affected by the alarm spell, a glyph of warding, or a mechanical pit trap, but it would not reveal a natural weakness in the floor, an unstable ceiling, or a hidden sinkhole
. This spell merely reveals that a trap is present. You don’t learn the location of each trap, but you do learn the general nature of the danger posed by a trap you sense.
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
S7. Main Hall and Belfry Rows of crumbling pillars support the 40-foot-high vaulted ceiling of this hall. Humanoid bones litter the dusty floor, and a 10-foot-square hole in the ceiling leads to the
Strength (Athletics) check. Characters can reach the belfry from inside using magic such as a spider climb or fly spell. Treasure. Close examination of the bell reveals that it’s thin sides are solid
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
mechanical pit trap, but it wouldn’t reveal a natural weakness in the floor, an unstable ceiling, or a hidden sinkhole. This spell reveals that a trap is present but not its location. You do learn the general nature of the danger posed by a trap you sense.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
15. Gate to Neverlight Grove A pair of 15-foot-tall standing stones dominates this room, the ceiling of which rises 30 feet high. The stones are covered with moss and have clumps of colorful
spell or similar magic reveals the way to activate the gate, its destination, and the fact that it’s one-way only. Any creature that steps through this gate appears, along with any objects it is wearing
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
area H8, which has a domed ceiling 50 feet high. Light. Unless otherwise noted, all areas are unlit. Golems and Mummies. Each section of wall marked “G” or “M” on the map indicates the location of a
hidden stone golem (G) or mummy (M) in stasis. A detect magic spell reveals an aura of conjuration magic emanating from that section of wall. When called for in the text, the golems and mummies phase out of the walls and materialize in the dungeon. Until then, they are hidden and can’t be harmed.
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
mechanical pit trap, but it wouldn’t reveal a natural weakness in the floor, an unstable ceiling, or a hidden sinkhole. This spell reveals that a trap is present but not its location. You do learn the general nature of the danger posed by a trap you sense.
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
(Investigation) check reveals variations in the mortar and stone that betray the pressure plate's presence. The same check made while inspecting the ceiling notes variations in the stonework that
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
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
spell would sense an area affected by the alarm spell, a glyph of warding, or a mechanical pit trap, but it would not reveal a natural weakness in the floor, an unstable ceiling, or a hidden sinkhole
. This spell merely reveals that a trap is present. You don’t learn the location of each trap, but you do learn the general nature of the danger posed by a trap you sense.
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
throughout the area, around which a prisoner work gang toils in the sweltering heat. Smooth metallic columns rise to the ceiling, with open hatches set into their sides at ground level. Haggard prisoners
desperate to escape the monastery before its engines fail. They can steal a skiff and follow the marked trails out of the Barrier Peaks if left to their own devices.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
columns of rock support the 30-foot-high ceiling.
Statue. In the middle of the cave stands a half-crumbled statue of a princely human clad in plate armor, his sword drawn and at the ready.
A medusa
Monster Manual.
Statues. The main cave has a 40-foot-high ceiling filled with the petrified victims of a medusa that once lived here. The drider has wrapped these statues in thick webs, creating an
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
23. Time Chamber Two massive hourglasses occupy this irregularly shaped chamber. Their glass globes are nearly fifteen feet across, with each hourglass rising almost to the ceiling thirty feet
the only effect is a hideous, ear-grating groan. The sand runs, but the hourglasses’ magic has long since dissipated. Casting a detect magic spell reveals faint auras of transmutation magic within the
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
23. Time Chamber Two massive hourglasses occupy this irregularly shaped chamber. Their glass globes are nearly fifteen feet across, with each hourglass rising almost to the ceiling thirty feet
the only effect is a hideous, ear-grating groan. The sand runs, but the hourglasses’ magic has long since dissipated. Casting a detect magic spell reveals faint auras of transmutation magic within the
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
X30. Preserved Library This stone library has twenty-foot-high walls and a thirty-foot-high vaulted ceiling. Covering the ceiling is a fresco that depicts angels being set ablaze in a hell. A black
over the railing reveals crates in that area. There are no ladders here to reach the high bookshelves. (The wizards who built this place used mage hand spells.) All the books appear to have blank covers
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
of a hand, amid stains of dried blood.
Distant Voices. Echoes of distant voices occasionally fill the room, emanating from 10-inch-long, 5-inch wide vents in the ceiling (see “Echoes” below
.
The longsword is easy to remove from the armor stand, requiring no ability check. A detect magic spell reveals that the sword is magical. It sheds dim light in a 10-foot radius. It also carries a






