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Returning 35 results for 'before building devote cavern rules'.
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Monsters
Fizban's Treasury of Dragons
table to help select spells for a spellcasting dragon. (Though the Monster Manual doesn’t explicitly include dragon turtles in the variant rules for making a dragon a spellcaster, you can apply
those rules to these aquatic dragons.)
Dragon Turtle Personality Traits
d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Trait"}
Trait
1
I speak slowly and deliberately
Backgrounds
Baldur’s Gate: Descent into Avernus
underbelly of civilization, and you have survived up to this point by flouting the rules and regulations of society.
Skill Proficiencies: Deception, Stealth
Tool Proficiencies: One
Guild took over your family business, ran it into the ground, and burned the building for insurance money. You were driven into crime yourself, but you’ll never work for the Guild. You take
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
2. Ore-Filled Cart This 20-foot-high cavern has tracks running through it. A mine cart laden with iron ore has chocks holding it in place. If these wooden blocks are removed, the cart rolls down the tracks toward area 1, building up speed as it goes (see “Mine Tracks and Carts”).
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
Encounter Building This section introduces new guidelines on building combat encounters for an adventure. They are an alternative to the rules in “Creating Encounters” in chapter 3 of the Dungeon
Master’s Guide. This approach uses the same math that underlies the rules presented in that book, but it makes a few adjustments to the way that math is presented to produce a more flexible system. This
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
pretty, but they are neither magical nor valuable. Any character proficient in Arcana can sense a subtle aura of magic in this cavern. (A detect magic spell reveals the same.) The aura becomes stronger as one approaches the northern building (area 15).
13. Starry Cavern The structural damage and the skeletal remains in this area are evidence of the destructive spell battle fought here centuries ago when the orcs and their mercenary wizards stormed
Compendium
- Sources->Dungeons & Dragons->Adventure Atlas: The Mortuary
interminable building, an upright necropolis that towers over the dismal part of the Hive Ward. Located between Blackshade Lane and Ragpicker’s Square, the Mortuary is one of several megastructures in Sigil
afterlife, the Heralds of Dust devote themselves to caring for the deceased. The Mortuary’s musty halls echo with skeletal figures wheeling squeaking gurneys, shoveling grave dirt, reciting woeful
Compendium
- Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything
run a special session—colloquially called session zero—to establish expectations, outline the terms of a social contract, and share house rules. Making and sticking to these rules can help ensure
that the game is a fun experience for everyone involved. Often a session zero includes building characters together. As the DM, you can help players during the character creation process by advising them to select options that will serve the adventure or campaign that awaits.
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
General Features Many of Thundertree’s buildings have crumbled in the years since the town was abandoned, even as nature threatens to swallow what remains. Buildings. A building in Thundertree is
terrain (see “Difficult Terrain” in the Basic Rules). Intact buildings are rundown, ramshackle stone cottages that are otherwise still standing. Their wooden doors are swollen and require a successful
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
describes what happens. Sometimes, however, rules govern what you can do with an object, as detailed in the following sections. What Is an Object? For the purpose of the rules, an object is a discrete
, inanimate item like a window, door, sword, book, table, chair, or stone. It isn’t a building or a vehicle, which are composed of many objects. Time-Limited Object Interactions When time is short, such
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
describes what happens. Sometimes, however, rules govern what you can do with an object, as detailed in the following sections. What Is an Object? For the purpose of the rules, an object is a discrete
, inanimate item like a window, door, sword, book, table, chair, or stone. It isn’t a building or a vehicle, which are composed of many objects. Time-Limited Object Interactions When time is short, such
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
8. Smithy Zox has convinced the creatures living in this cavern that he is Trobriand’s apprentice and thus deserves their cooperation. The 90-foot-high, soot-stained cavern contains the following
: Forges. Intense heat and thick smoke billow from five forges protruding from the cavern walls, their fires illuminating the cave. An azer smith stands at each forge.
Scrap Pile. A 20-foot-high pile of
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
provide the spiders with easy prey, while the presence of the spiders provides additional protection for thehatchery. The eastern half of this cavern floor is covered in webs stretching up to the ceiling
. See “Dungeon Hazards” in chapter 5 of the Dungeon Master’s Guide for rules about webs. Eight giant spiders lurk in the nest, minus any killed elsewhere in the nursery.
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
before the wall does. For the purpose of these rules, an object is a discrete, inanimate item like a window, door, sword, book, table, chair, or stone, not a building or a vehicle that is composed of many other objects.
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
before the wall does. For the purpose of these rules, an object is a discrete, inanimate item like a window, door, sword, book, table, chair, or stone, not a building or a vehicle that is composed of many other objects.
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
the DM change the pitch or tempo of narration in different situations? Player Participation. Did the players participate in the world-building or make decisions that seemed to send the adventure in an
unexpected direction? How did the DM handle it? Rules Adjudication. To what extent did the DM lean on the rules to adjudicate outcomes? Did the DM adjudicate situations wisely or in ways that made the
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
the DM change the pitch or tempo of narration in different situations? Player Participation. Did the players participate in the world-building or make decisions that seemed to send the adventure in an
unexpected direction? How did the DM handle it? Rules Adjudication. To what extent did the DM lean on the rules to adjudicate outcomes? Did the DM adjudicate situations wisely or in ways that made the
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
. The chapter opens with optional rules meant to help you run certain parts of the game more smoothly. The chapter then goes into greater depth on several topics — encounter building, random encounters
you. It gives you new rules options, as well as some refined tools for creating and running adventures and campaigns. It is a supplement to the tools and advice offered in the Dungeon Master’s Guide
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
Features
The topaz dragon lair shown in map 5.14 is situated among the rocky cliffs and beaches of a rugged coastline. The lair is set in a cavern complex near the top of the cliffs, 50 feet above the sandy
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
’ tactics and stat blocks. Note any special rules that apply to the setting of the encounter. For social interaction encounters, make notes about the nonplayer characters (NPCs) in the encounter—their
personalities, goals, and tactics. For exploration encounters, record any clues or other information the characters should learn, and review any special rules that might come into play in the
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
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
’ tactics and stat blocks. Note any special rules that apply to the setting of the encounter. For social interaction encounters, make notes about the nonplayer characters (NPCs) in the encounter—their
personalities, goals, and tactics. For exploration encounters, record any clues or other information the characters should learn, and review any special rules that might come into play in the
Compendium
- Sources->Dungeons & Dragons->Monster Manual
the rules for monster customization and encounter building in the Dungeon Master’s Guide—to build your own adventures. Consult appendix B for monster lists that will help your adventure building. What’s
New in the 2025 Version?
This is the 2025 version of the fifth edition Monster Manual. If you’ve read the 2014 version, much of this book will feel familiar, since the fundamental rules and variety
Compendium
- Sources->Dungeons & Dragons->Keys from the Golden Vault
Old Lockford, Smoldertown, and Turbine Heights. L12: Security Center A large, rough-hewn cavern in the heart of the Overlook has a floor that rises toward the middle. Scores of lizards—a few of them big
enough to ride as mounts—sleep and crawl on the slopes of this natural rise. Perched atop the rocky mound is a squat stone building topped with a crystal dome. Multicolored light gleams within the
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
vast cavern are channeled into a crude but effective terraced irrigation system. A thick, sweet smell fills the air from the thousands of fungi of all colors and sizes, many glowing with a strange
seldom seen in myconids. It asks for exasperatingly minor details such as the precise dimensions of bricks or the density of lumber. Gasbide reveals through the rapport that it dreams of building a
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
38. Zombie Horde Zombies. The stench of death fills this 20-foot-high cavern, which contains forty zombies in various states of decay. They shamble about aimlessly.
Sinkhole. A 70-foot-deep
dividing the zombies into mobs of ten or fewer and using the mob rules in chapter 8 of the Dungeon Master’s Guide.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Themberchaud’s Lair At the far southeast corner of Gracklstugh’s cavern, the entrance to Themberchaud’s lair is guarded by the Keepers of the Flame. Not that anyone would be foolish enough to
”), the leader of the Keepers of the Flame — Gartokkar Xundorn — is notified by magical messaging. He waits for the characters as they are brought to the dragon’s cavern — but Themberchaud is watching
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
builders need only take a pick to any wall to find their building materials. Rather, this cavern provides the small army of earth elementals aiding the settlers, and its magical stone is used in the
Stoneheart Quarry The Stoneheart Enclave has its headquarters in this cavern suffused with faerzress and elemental energy. This quarry doesn’t provide stone for construction, since Blingdenstone
Compendium
- Sources->Dungeons & Dragons->Mythic Odysseys of Theros
and long, drab robes, making them nearly impossible to distinguish from one another. From the Coliseum of the Aphonai, a perfectly circular stone building that stands at the heart of Asphodel, the
Returned never speak, rendering their judgments only in gestures. Order of Phaios A cabal of mages known as the Order of Phaios defend Asphodel with their magic. The mages of the order devote themselves to
Compendium
- Sources->Dungeons & Dragons->Sword Coast Adventurer’s Guide
advantages over each other, they all live under the heel of House Baenre and the Matron Mother, who rules the city in Lolth’s name. On a large plateau high above the cavern floor is Tier Breche, also
drow in their refuge. The constant fear of punishment, from one’s mistress or another, more powerful drow, keeps most slaves obedient, even when they aren’t directly supervised. The great cavern of
Compendium
- Sources->Dungeons & Dragons->Eberron: Forge of the Artificer
associate with different houses but have a common purpose. (See the “Building a Party” section below for suggestions on bringing together a party from different houses.) If the characters work for a single
house or an organization, like the Twelve, that unites them in a mutual purpose, use the group patron rules in Eberron: Rising from the Last War to provide benefits from their shared mission. The House
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
.
Topaz Dragon Lair Features
The topaz dragon lair shown in map 5.14 is situated among the rocky cliffs and beaches of a rugged coastline. The lair is set in a cavern complex near the top of the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
17. Battlefield Cavern This 30-foot-high cavern was the main front of the battle between the yuan-ti and the nagas. 17a. Bones in the Mud The water here is 2 feet deep, and the cavern floor beneath
is one of Halaster’s gates (see “Gates”). Its frame is composed of an assemblage of hundreds of tiny, interlocking stone gears. This gate’s rules are as follows: Any creature that inspects the frame
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
10. Guard Tower The fourth hanging tower, connected by rope bridges to the slave pen and the walkway alongside the priestess’s tower, serves as a guard tower for observing the cavern, the western
armor 6 shields 6 hand crossbows 20 cases of hand crossbow bolts, each case containing 20 bolts 6 shortswords and 10 daggers 6 bags of caltrops (20 caltrops per bag) 4 100-foot-long coils of silk rope 2 building hammers (not usable as weapons) 2 bags of iron spikes (10 spikes per bag)
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
rogue who likes hand-to-hand combat, or a sharpshooter who picks off enemies from afar. Do you like fantasy fiction featuring dwarves or elves? Try building a character of one of those races. Do you
your character, whether it’s a formal character sheet (like the one at the end of these rules), some form of digital record, or a piece of notebook paper. An official D&D character sheet is a fine
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
, svirfneblin, and Zhentarim enclaves
Thousands of years’ worth of trickling water carved out the cavern where the drow, the duergar, and the svirfneblin established Mantol-Derith. Four warehouses
have been excavated at the corners of the cavern, each controlled by an enclave and containing offices and temporary lodgings for its merchants. Few of Mantol-Derith’s denizens are permanent residents