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Hierophant Medusa

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

30. Iron Barrier

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

Random Obstacles

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

M5. Engine Room

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.

12. Dynamo

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

swift and loud. Creatures within 20 feet of it are deafened by the roar unless a soundproof barrier or a silence spell blocks the noise. Any creature that starts its turn in the river and isn’t anchored

area 12 as it does elsewhere. 12a. South Water Collector The ceiling in this chamber forms a dome 20 feet higher than the floor around the cistern, which is 10 feet deep. Water pouring in from the

Delerium Fragment Legacy

Equipment

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

instead of laughing, the creature repeats unfathomable combinations of syllables and words. 3 Time skips a beat. Creatures within 60 feet experience a palpable feeling of vertigo followed by a

Delerium Chip Legacy

Equipment

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

instead of laughing, the creature repeats unfathomable combinations of syllables and words. 3 Time skips a beat. Creatures within 60 feet experience a palpable feeling of vertigo followed by a

Delerium Geode Legacy

Equipment

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

instead of laughing, the creature repeats unfathomable combinations of syllables and words. 3 Time skips a beat. Creatures within 60 feet experience a palpable feeling of vertigo followed by a

Delerium Massive Cluster Legacy

Equipment

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

instead of laughing, the creature repeats unfathomable combinations of syllables and words. 3 Time skips a beat. Creatures within 60 feet experience a palpable feeling of vertigo followed by a

Death Tyrant Lairs

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

target has the Paralyzed condition and repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds automatically. Fear Ray. Wisdom Saving

Delerium Crystal Legacy

Equipment

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

instead of laughing, the creature repeats unfathomable combinations of syllables and words. 3 Time skips a beat. Creatures within 60 feet experience a palpable feeling of vertigo followed by a

Delerium Shard Legacy

Equipment

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

instead of laughing, the creature repeats unfathomable combinations of syllables and words. 3 Time skips a beat. Creatures within 60 feet experience a palpable feeling of vertigo followed by a

1. The Resplendent Grotto of Ichthyglug the Voluminous

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

-high, arched ceiling and contains three 1-foot-thick, magic curtains of translucent, shimmering green seawater. Each watery curtain stretches from floor to ceiling and wall to wall. Sound passing

no farther falls to the floor inside the curtain. Spell effects that would not reasonably pass through the watery curtain are stopped by the barrier as though it were a solid wall. For example, a magic

Sample Traps

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

3. Haunted Temple of Lolth

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

. When the first character enters the room, Muiral becomes visible as he casts a wall of force spell, using the barrier to cut off that character from the rest of the party. He then engages the

across the ceiling. East Statue. This statue depicts Lolth in her drow form, kissing a scourge as stone spiders crawl across her body. 3b. Nave Altar. An altar of pale gray stone carved to look like a

Living Spells

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

. Unfettered. The living spell can move through any barrier, even a wall of magical force. Unusual Nature. The living spell doesn’t require air, food, drink, or sleep. Actions Force Blade. Melee

move through a space as narrow as 1 inch wide without squeezing. The living spell can’t detach from a solid surface, such as a wall, ceiling, or floor. If it has no surface to attach to, the living

61. Control Room

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

of iron to drop from the ceiling in the doorway, sealing off the east exit. Any creature in the doorway when the wall drops must make a DC 15 Dexterity saving throw. On a successful save, the

creature is pushed to one side of the barrier or the other (its choice). On a failed save, the creature is pinned under the wall, falls prone, and takes 44 (8d10) bludgeoning damage. A pinned creature is

The Glitterhame

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a2

downward. The floor has been cut into hundreds of shallow steps, but the walls and ceiling are still natural rock. About sixty feet down, a rushing stream spills from a narrow crack to the south and

first chamber of the Glitterhame proper is bisected by the stream and has a number of routes leading away from it. The descending fissure opens up abruptly into a very high cavern, its ceiling easily

T13: Great Statue of Orcus

Compendium - Sources->Dungeons & Dragons->Dragon Delves

T13: Great Statue of Orcus A great statue of Orcus scrapes the thirty-foot-high ceiling of this chamber. The rich smell of incense rises from a large stone brazier at the statue’s base, overpowering

; if they refuse a command, he remains Indifferent toward them. Each time the characters leave the hall and return, Nezzarum issues a new command until he has issued three of them. He never repeats a

Spaceship Features

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

level’s map. Security Mechanism. Between each pair of floors is a metal aperture with a barrier that prevents a creature from traveling to floors it isn’t authorized to access. If a creature doesn’t

Crew, maintenance workers, and technicians Blue Passengers Lighting Unless otherwise stated, the ship’s lighting—glowing, fluorescent panes set into the ceiling—remains functional but is turned off

Example Traps

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

Outpost Locations

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

he moves the lever to trigger a trap. Trap. When the lever is pulled, iron spikes spring out from the floor and ceiling to form barriers across each doorway. A creature in either opening must succeed

on a DC 12 Dexterity saving throw or take 7 (2d6) piercing damage from the spikes and be restrained until the spikes are retracted or the barrier is destroyed. The spikes can be retracted only by

Example Traps

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

Dungeon Locations

Compendium - Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus

the ten-foot-high vaulted ceiling of this dry cellar, the walls of which are lined by a dozen barrels on wooden braces. Half the barrels have brass spigots tapped into them. The room also contains two

The Vanthampurs store animal carcasses and other fresh meat in this room. Hanging in the middle of the room from the 10-foot-high ceiling are six 3-foot-long chains, each ending in a hook. Flayed boar

Landro Locations

Compendium - Sources->Dungeons & Dragons->Vecna: Eve of Ruin

magical barrier is active, the view port’s crystal is immune to damage. The ceiling is 30 feet high. Broken Control Helmet. The silver helmet once created a magical link between its wearer and the

that stretches from floor to ceiling. The cylinder of light continues upward into Landro’s leg. Within the mushroom patch are two shriekers. The shriekers’ high-pitched screams might attract the

Spaceship Locations, Level 4

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

throughout this cold, spacious chamber. Soft blue lights blink across their upright faces, and wires snake from the towers along the floor and ceiling. “You shouldn’t be here,” echoes a familiar voice in

the ship’s hull in this area. A dark, narrow tunnel extends from the opening and into the mountainside. If the characters follow the tunnel, it continues for 1 mile before exiting into the Barrier

Necropolis Locations (Y1-Y9)

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

barrier, which is immune to all damage and can’t be dispelled by dispel magic. The barrier also extends into the Ethereal Plane, blocking ethereal travel. Any creature that touches the barrier for the

first time on a turn takes 40 (9d8) lightning damage. When the barrier appears, read: The shimmering head and shoulders of a woman blink into existence above the arena floor. Electrical currents course

The Fissure

Compendium - Sources->Dungeons & Dragons->Acquisitions Incorporated

areas in between. When the adventurers enter the warehouse, read: In the areas where the walls and ceiling didn’t collapse, this warehouse contains no crates, no boxes, no barrels, and no wares of any

other kind. Directly in front of the missing door, the walls, ceiling, and floor have fallen away to reveal a deep sinkhole fissure. Inside the ruin, a hempen rope anchored firmly in the rubble

Ship Locations

Compendium - Sources->Dungeons & Dragons->Ghosts of Saltmarsh

prearranged signal. 4. Galley Stores From iron hooks set into the ceiling hang three long strings of sausages, a large ham, and a hunk of meat. Against the hull are three sacks. Set against the bulkhead beside

ceiling above. In the gloom, you can see three hammocks — one at each end of the cabin slung between the bulkhead and one of the ship’s ribs, and the third hanging across the corner of the cabin from

Dimensional Caverns

Compendium - Sources->Dungeons & Dragons->Acquisitions Incorporated

while the characters traverse the tunnel. The tunnel continues for what feels like forever before the ceiling suddenly begins to rise. The walls frame an impossibly tall canyon that slowly widens, the

great bird. It repeats periodically, always far off in the distance. Set into a large cleft in the canyon wall is an enormous nest of sticks, bones, paper, and other debris. An immense black form

Camp Righteous

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

times the search is attempted. If players insist on having everyone crowd in and search for traps, goblins might steal the party’s canoes or rig traps of their own. 6A. Concealed Pit Trap The ceiling

the check with disadvantage. 6B. Blade Trap The ceiling here is 23 feet high and draped with cobwebs. Each individual that passes through this section of the corridor has a 50 percent chance of

The Lucent Edict

Compendium - Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Light of Xaryxis

Edict has the following features: Illumination. All areas in the ship are dimly lit by flickering, bioluminescent orbs mounted to the walls or hanging from the ceiling. Removing an orb from its

socket causes the orb to go dark. Interior Doors. Each interior door is a fleshy barrier that opens when a creature that has telepathy approaches within 5 feet of it, then quickly closes after the creature

Masters' Domain

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a5

closer to the doors. A wailing howl erupts from the shadows of this dim chamber, echoing from black marble walls. Dark pillars rise to the ceiling, each exuding shadow that twists in the air like

courtyard here, creating the sense of a monastic sanctuary. Each of the glowing silver pillars that support the ceiling has a set of chains and manacles fastened to it. Thayans hang from four of the

Underlevel Locations

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

underside of the tower above this area and protrudes down through the ceiling. The embers falling from the rocket fill the area with bright orange light. At the bottom of the stairs, a thirty-foot-diameter

room opens up directly underneath the Barn Door tower. Four ten-foot-long metal cylinders protrude from the twenty-foot-high ceiling, glowing with intense heat and shedding bright embers that rain down

Lambent Zenith Locations

Compendium - Sources->Dungeons & Dragons->Vecna: Eve of Ruin

room is plain yet inviting. Five sailors lounge in cramped bunks and colorful hammocks strung from the ceiling. Five lawful good sailors from the Upper Planes (use the veteran stat block, but the

. Daveras tried to talk to him, but Figaro used a magical device to erect an impenetrable barrier around the room. Personal History. Daveras wasn’t part of the Lambent Zenith’s crew. When his

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