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Returning 35 results for 'blood building diffusing cavern rules'.
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Troglodyte
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Monster Manual (2014)
pictographs painted in blood or dung.
Perhaps the most loathsome of all humanoids, troglodytes eat anything they can stomach. They dwell in filth. The walls of their cavern homes are smeared with grime, oily
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
Sword Coast Adventurer's Guide
of mounted, heavily armored warriors of noble blood, most knightly orders in Faerûn don’t restrict their membership to such individuals. The goals and philosophies of the order are more
again in ruins, Dove Falconhand decided to reform the group with the primary goal of building alliances and friendship between the civilized races of the world and goodly people in order to combat evil
Orcus
Legacy
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Monsters
Out of the Abyss
Prince of Undeath, known as the Blood Lord. He takes some pleasure in the sufferings of the living, but far prefers the company and service of the undead. His desire is to see all life quenched and the
chapter 7, "Treasure” of the Dungeon Master’s Guide.Orcus’s Lair
Orcus makes his lair in the fortress city of Naratyr, which is on Thanatos, the layer of the Abyss that he rules
Monsters
Mordenkainen Presents: Monsters of the Multiverse
known as the Blood Lord. While he takes pleasure in the sufferings of the living, he far prefers the company and service of Undead. His desire is to see all life quenched and the multiverse transformed
Dungeon Master’s Guide.Orcus’s Lair
Orcus makes his lair in the fortress city of Naratyr, which is on Thanatos, the layer of the Abyss that he rules. Surrounded by a moat fed by the
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
Kobold
Legacy
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Species
Volo's Guide to Monsters
sent Kurtulmak to retrieve it. Garl lured his pursuer into a maze-like cavern, then collapsed the exits behind him, trapping Kurtulmak for all eternity. Kurtulmak is a hateful deity, one who despises
, designed to collapse under the weight of any creature heavier than a kobold. On occasion, the route through a kobold lair runs along a ledge that borders a cavern or a crevasse, and the kobolds might
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->Stranger Things
Using Demogorgon Blood After the characters have gotten enough demogorgon blood, they can take it to the cavern with the flowers. If they pour the blood on one of the flowers, it bursts open
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->Waterdeep: Dungeon of the Mad Mage
time, they see one of Halaster’s scrying eyes floating in the middle of the cavern (see “Halaster’s Lair”). It studies the characters for a minute or two before disappearing.
Blood. The floor is
32. Graduation Chamber Githyanki who attain the rank of warrior by hunting down and killing their first mind flayer are celebrated here. This cavern is also used for demonstrations of githyanki
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->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.
Monsters
Fizban's Treasury of Dragons
cannot resist a game of dragonchess—which, I will have you know, my ancestors probably invented.
8
The sight of blood makes me queasy.
Sapphire Dragon Ideals
d6
, the largest cavern serves as the dragon’s sleeping chamber. A raised section studded with sapphire crystals offers a vantage from which the dragon can keep an eye on the chamber’s access
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->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->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->Stranger Things
. The Proud Princess can point them to the cavern where the flowers grow, but if the characters want to open a gateway, they’ll also need the blood of a monstrosity. Luckily, she knows of one that has
worlds if you perform a certain ritual. A key component of this ritual is blood from a monstrosity (a type of creature). The thessalhydra is a monstrosity, so it can use its own blood to open a gateway
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->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
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->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
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
cavern, called the Great Dismal Delve or the Sevenfold Mazework, is home to the City of Jewels—the capital city of the dao. The dao take great pride in their wealth and send teams across the plane in
search of new veins of ore and gemstones. Thanks to these expeditions, every building and significant object in the city is made from precious stones and metals, including the slender gemstone-inlaid
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
wizard’s spell. The sharp tang of blood in the air, cutting through the stench of vile monsters. Roars of fury, shouts of triumph, cries of pain. Combat in D&D can be chaotic, deadly, and thrilling
. This section provides the rules you need for your characters and monsters to engage in combat, whether it is a brief skirmish or an extended conflict in a dungeon or on a field of battle. Throughout this
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->Baldur's Gate: Descent into Avernus
stinking swamp of blood. The domed top of an alabaster temple pokes through the scab. Many black iron chains of Avernus converge on the building, attaching within the grotesque mound.
The exposed
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->Waterdeep: Dungeon of the Mad Mage
20. Malar’s Tabernacle This building is taller than the others, with a peaked roof 30 feet high. Iron spikes line the peak, while carvings of basilisks, chimeras, dragons, and manticores snarl from
where they perch on the outer walls. The cult of Malar would gather to worship here. The building’s stone doors are fitted with locks, though they are unlocked at present. The building consists of one
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Development Another tunnel on the opposite side of the cavern heads off in a different direction than where Yeenoghu led his pack. Characters who defeat the remaining gnolls can continue on their way
second component takes the form of a few spatters of a demon lord’s blood. A successful DC 10 Wisdom (Perception) check finds some of Yeenoghu’s black blood on the fallen goristro’s horns.
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->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






