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Returning 35 results for 'building before diffusing ceiling river'.
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Ancient Deep Dragon
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Monsters
Fizban's Treasury of Dragons
, they use local settlements—and any competent visitors—as pawns in their struggle.
4
An ancient deep dragon has put the folk of a city to work building the dragon a metropolis to rule
underground river. Whatever the setup, a deep dragon festoons the narrow, twisting passages between the lair’s fungal walls with magical and mundane traps. A typical lair has the following
Adult Deep Dragon
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Fizban's Treasury of Dragons
network growing near an underground river. Whatever the setup, a deep dragon festoons the narrow, twisting passages between the lair’s fungal walls with magical and mundane traps. A typical
dragon.
Underground River. Where an underground river runs along the outside edge of the lair, the dragon has slowed its flow with a rocky dam, creating a small pool in which to bathe and raise aquatic
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
a narrow river. A ten-foot-high log palisade surrounds the compound, whose main building is a two-story stone-and-wood affair with a high-pitched roof, gables, window shutters, and a stone chimney
Arrival The following description assumes that the characters approach the lodge from the west side of the river: A thin fog surrounds a fortified compound standing in a clearing on the east side of
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
Rotten Hall Features Ceiling Cracks Thin shafts of daylight and moonlight spill through tiny rock fissures, forming pools of natural light as shown on map 5.1. A Tiny creature can use these narrow
fissures to enter and leave the tomb. Underground River Muddy rainwater seeps from the jungles above, flowing through the tomb as a sluggish underground river that is treated as difficult terrain. The
Compendium
- Sources->Dungeons & Dragons->Keys from the Golden Vault
Agile Hand Guildhouse The Agile Hand’s guildhouse is situated at the end of a winding, cobbled street that runs parallel to a small river. The back of the stables faces a grassy embankment scattered
with mulberry trees. The guildhouse is a wooden complex consisting of a main building with an adjoining tower and basement, as well as a livery area that includes stables, an office, and quarters for paying visitors.
Compendium
- Sources->Dungeons & Dragons->Mythic Odysseys of Theros
Court of Orestes Features Beyond the entrance along the Khystonos River, the Court of Orestes is a crumbling, centuries-old tomb. Inside, its walls are made of thick stone blocks, and the ceiling is
partially flooded, though, holding roughly 2 feet of river water. Flooded areas are marked on map 4.16 and count as difficult terrain.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
12. Dynamo The central feature of the mind flayer colony is a psionic, quasi-magical turbine powered by a thunderous underground river that flows through it. River water entering the dynamo is
, rough-hewn tunnels carved into the sides of cisterns. The underground river then resumes its natural course, eventually emptying into the Underdark. Creatures can walk along a stone ledge that hugs the
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
also revealing a diverted underground river that is the source of the water. Once the water level rises to the ceiling, the flow is slowed and the characters can swim upward for 30 feet to reach the
6. Water Chamber Characters approaching this rough-walled cave hear the sound of pouring water. The water enters through cracks in the 10-foot-high ceiling. Given the rate at which the water flows in
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
direction, don’t read the first sentence. The trail hugs the river for several miles. The dirt and grass soon turn to marsh as the trail dissolves into spongy earth pockmarked with stands of tall reeds and
thinner on the far side of the river, where a light flashes amid a dark ring of standing stones.
The river ranges in depth but is never more than 10 feet deep. Muriel Vinshaw, a wereraven in human
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
rise from hidden springs (usually clean and drinkable), then flow down to join the Dessarin River, which bisects the hills. Most locals only think of the wilder, higher hills west of the river when they
become homes to bandits and monsters. Those who quarry the Sumber Hills for building stones and gravel often trade tales of finding gemstones and rich veins of ore in the hills — but for the most part
Monsters
Fizban's Treasury of Dragons
from the sea, but the dragon is too proud to ask for help getting home.
6
A topaz dragon is building a tableau of desiccated creatures and has grown obsessed with catching one treasure hunter
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->Waterdeep: Dungeon of the Mad Mage
19. Looted Cloisters This windowless stone building contains apartments formerly used by rank-and-file Malar cultists. Stone doors throughout are fitted with locks, though the doors are unlocked at
present. The building also has the features detailed in the “Lighting and Plumbing” sidebar. 19a. Ransacked Quarters The walls of this room are carved to look like natural rock, giving the chamber a
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
14. Drow Rafts Darkmantles. Stalactites hang from the 30-foot-high ceiling. Two darkmantles disguised as stalactites remain motionless until they attack.
Rafts. Leaning against the west wall are
, they flee if reduced to half their hit points or fewer. The drow use the rafts to ply the River of the Depths. Each raft is built to carry six Medium humanoids and their gear, though as many as twelve people can fit onto a raft if push comes to shove.
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
-high ceiling of this cavern is a forest of icicles, some of which have grown to a length of five feet or more. Embedded in the south wall is a cylindrical, domed building made of seamless black stone
H27 and H28, use the following boxed text to describe them: Icicles cling to the twenty-foot-high ceiling of this ice cavern. Embedded in the south wall is a domed, circular building made of seamless
Monsters
Fizban's Treasury of Dragons
injured and stranded far from the sea, but the dragon is too proud to ask for help getting home.
6
A topaz dragon is building a tableau of desiccated creatures and has grown obsessed with catching
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
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
two stone walkways raised atop 20-foot-high marble columns.
Bridge. A stone bridge on the platform spans the river to the east. (See area 10 for more information on the bridge.)
Building. A mossy
staircase climbs the south wall to the top of the platform. There stands a 15-foot-high stone building with a commanding view of the river and stone doors set into its north, west, and south walls. A
Compendium
- Sources->Dungeons & Dragons->Keys from the Golden Vault
tiefling directs them down a brightly lit row of docks, where boats wait to take the characters downriver. The casino’s entrance is visible a short distance away, where the river enters a wide
-mouthed cave. Boat Ride A tiefling ferrier (commoner) in a heavy, hooded robe waits silently to convey characters to the casino. The ferrier plays the part of Charon on the real River Styx. The tiefling
Compendium
- Sources->Dungeons & Dragons->Eberron: Rising from the Last War
construction evident even in the broken remains of the building, the place carries the unmistakable air of anguish and torment. Map 4.7: Demon Ruin View Player Version Demon Ruin Adventures The Demon
river of black lava that runs through the demon ruin, which is the only place where the item can be truly destroyed. 4 Gather obsidian shards from the ruin as components for a rare spell.
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
arrive, Bag of Nails is hiding in a ruined building on the east bank of the river, 150 feet from the fallen tree. To spot him, a character must succeed on a DC 22 Wisdom (Perception) check. When a
7. Fallen Tree A fallen tree bridges the river ahead. Its trunk is wider than a man and stretches more than 100 feet. On both banks lie ruined buildings.
An elderly tabaxi hunter named Bag of Nails
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
troubled Baldur’s Gate afterward. Each push for renewal saw a conflict between Gondan engineers advocating for new building techniques and materials, and patriars and preservationists striving to protect the
original architecture. Meanwhile, smugglers and Guild agents bribed building crews, altered blueprints, and otherwise put their fingers in the plans at every turn to steer reinforcement efforts away
Compendium
- Sources->Dungeons & Dragons->Baldur’s Gate Gazetteer
troubled Baldur’s Gate afterward. Each push for renewal saw a conflict between Gondan engineers advocating for new building techniques and materials, and patriars and preservationists striving to protect the
original architecture. Meanwhile, smugglers and Guild agents bribed building crews, altered blueprints, and otherwise put their fingers in the plans at every turn to steer reinforcement efforts away
Compendium
- Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants
ceiling is a quarter of a mile high and has the appearance of a strangely rough-looking blue sky. The microclimate within the cavern features cloudy and rainy weather in addition to sunshine. Map 4.1
. Villages. Settlements populated by giants, duergar, deep gnomes, and other creatures dot the cavern. Waterfall. A mighty river plummets down a cliff face beneath the Radiant Sun. The waterfall gleams with
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
10. Caves of the River Coven All the caves in this area are cold and damp, with water dripping from the ceiling to form shallow pools of water everywhere. 10a. Black Pebble Cave This 8-foot-high cave
abuts the River Sargauth. Its floor is covered with wet black pebbles that crunch underfoot. The sound of footsteps on the pebbles is loud enough to alert the grimlocks in area 10b. 10b. Grimlocks
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
14. Abattoir Pigs are slaughtered here, as are unwanted trespassers. The river has punched a hole in the north wall, creating a stream that runs through the place. A crude log bridge spans the
climbs to a 20-foot-wide hole in the ceiling (leading up to area 6). The rungs of the ladder are spaced 3 feet apart. For Medium and smaller creatures, every 3 feet climbed on it costs 1 extra foot of
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
. Encounters in Elturel d10 Encounter
1 Collapsed building
2 Cry for help
3 Ghastly meal
4 Ghoul pack
5 Hateful patrol
6 Imp sales pitch
7 Narzugon cavalier
8 Spouts of hellfire
9 Vrock philosophy
10 Zombie horde
Collapsed Building A quake rocks the city, and a building collapses in the distance. The characters hear cries for help
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
be found in area 15a.) The frescoes depict Melair’s early exploits as a prospector: building a bridge over a river, meeting his first elf, prospecting for ore and gems in caves and foothills, hiding
stone arches beneath a 30-foot-high domed ceiling.
Frescoes. Stone panels set into the walls bear frescoes and Dwarvish runes.
The frescoes chronicle the birth of Melair, a common shield dwarf
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
adorn the ceiling. The west wall bears a carving of a beautiful scene of a river and rolling hills inside a stone frame etched with symbols.
The carving of the river scene is a portal to Elysium that
the room slowly comes to life. The carved river begins to flow, and the flowering plants by the river take on color and start to wave in a gentle breeze. The stone frame looks like a portal to this
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
through tunnels and caverns for about 2 miles before passing under Rivergard Keep and emptying into the Dessarin River. The stream is sluggish, and it isn’t hard to row or pole a boat against the current
Encounter 1 1d6 darkmantles 2 1d4 + 1 piercers 3 1d4 + 4 troglodytes 4 1d4 + 1 shadows 5 1 water weird 6 1 chuul 7–20 None Darkmantles and piercers drop from the tunnel ceiling into the boat
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
13. Zurkhwood Grove Ceiling. This immense cavern is 50 feet high.
Fungi. A forest of zurkhwood erupts from the guano- and moss-covered floor, the tallest and oldest standing over 40 feet tall
to follow the River of the Depths back down into the Underdark. Before he left, the druid cast awaken spells on seven zurkhwoods in the grove, three of which have since been felled by duergar axes and
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
struggling to roll a boulder up the hill, while a devil drives them on. Above the hill in the ceiling is a glowing spot that illuminates the entire chamber with an eerie silver light.
A cobblestone path
grassy plain where people frolic and hunt antelope and deer.
North of the grassy plain and south of the hill, the floor opens into a model of a canyon. A river of lava flows down it while flames lick
Compendium
- Sources->Dungeons & Dragons->Acquisitions Incorporated
— and that it is completely destroyed. Most of its buildings are empty shells and piles of wreckage. Looming beyond the town is a large, dark cavern. A narrow river winds down from the mountain and
be seen in typical numbers. A successful DC 14 Intelligence (Nature) check turns up no signs of physical damage consistent with a battle that could have leveled the town. Questionable River. The water
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
18. Abandoned Priory This long, windowless stone building contains several apartments formerly occupied by high-ranking priests of Malar, god of the hunt. Stone doors throughout are fitted with locks
, though they’re unlocked at present. The building has various amenities (see the “Lighting and Plumbing”sidebar). Heaped around the building are broken swords, dented helms, and torn metal armor
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a2
; there’s no danger in crossing it. Watery Peril. At the west end of the cavern, the ceiling lowers to meet the surface of the river. Any creature swept past this point by the current is trapped in a long
The Sinkhole The stream that flows through the Glitterhame descends through the chasm in area 25 to an even lower level of caverns—the Sinkhole. Here it joins a subterranean river that traverses dark
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
walls have rusted iron shower heads protruding from the ceiling. A rusty pull chain hangs near each shower head, and each alcove has drain holes in the floor. The showers draw cold water from an
underground river.
Secret Door. A secret door in the back of the east alcove opens into area 37c.
37b. Sauna Heating Tank. Heat billows from vents built into the sides of an 8-foot-tall, 5-foot-diameter






