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Returning 35 results for 'blood building diffusing caverns rules'.
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Monsters
Mythic Odysseys of Theros
Acidic Blood. When the hydra takes piercing or slashing damage, each creature within 5 feet of the hydra takes 9 (2d8);{"diceNotation":"2d8","rollType":"damage","rollAction":"Acidic Blood
wild places of the world, being common foes for heroes seeking to test their mettle against terrors worthy of the gods’ notice. Most ironscale hydras inhabit lakes and boggy caverns, from which
Monsters
Mordenkainen Presents: Monsters of the Multiverse
vargouilles flap through the caverns and skies of the Abyss. They are given little regard by powerful and intelligent demons since vargouilles can do them no harm. Even the weakest demon, such as a manes
away from the body in a fountain of blood, becoming another vargouille, which often then eagerly laps up the blood spilling from its former body. Sunlight or the brilliant illumination of a daylight
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
caverns and complex tunnel systems. As they grow older, they continually renovate their lairs, using their tunneling abilities and command over stone.
Sapphire dragons eventually create dizzying
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
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
Orcus
Legacy
This doesn't reflect the latest rules and lore.
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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
Monsters
Fizban's Treasury of Dragons
, I will have you know, my ancestors probably invented.
8
The sight of blood makes me queasy.
Sapphire Dragon Ideals
d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Ideal
of psychic forces has begun to affect the local fauna in strange ways.
Sapphire Dragon Lairs
Sapphire dragons make their lairs in enormous caverns and complex tunnel systems. As they grow
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->Mordenkainen's Tome of Foes
surest sign of Lolth’s approval. No tactic is outside the rules in this ongoing conflict. Raids against another house’s outlying property (farming caverns, trade caravans, or hunting parties) are
Society of Blood and Poison The principal organization in drow culture and society is the house, an extended clan that comprises many related families, plus a number of lesser families who have
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
highest mountains. Most visitors to the plane arrive by way of vast caverns that honeycomb the mountains. Important features of the Plane of Earth include the following: City of Jewels The plane’s largest
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->Player’s Handbook
The Inner Planes Elemental forces and the building blocks of reality originate from these Inner Planes: Elemental Plane of Air. Winds blow clouds and floating islands across this boundless sky
. Elemental Plane of Earth. This maze of caverns winds through stone and untold mineral riches. Elemental Plane of Fire. An everlasting inferno, this realm blazes with life on volcanic islands. Elemental
Compendium
- Sources->Dungeons & Dragons->Descent into the Lost Caverns of Tsojcanth
Using This Supplement In addition to the adventure, this supplement includes the following appendices: Appendix A presents a small trove of magic items available to all who brave the Lost Caverns of
Tsojcanth. At the DM’s discretion, the characters might earn one or more of these treasures as a reward for completing the adventure. Appendix B contains a creature that dwells in the Lost Caverns
Compendium
- Sources->Dungeons & Dragons->Dragons of Stormwreck Isle
Seagrow Caves Features The caves have the following features: Ceilings. Unless noted otherwise, the ceilings in the caverns are 20 feet high, and the tunnels connecting the caverns are 15 feet high
. Light. The interior caves are illuminated by bioluminescent fungi, which provide dim light throughout the area. See “Vision” in the Basic Rules. Walls. The cave walls are formed from hexagonal columns
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->Out of the Abyss
Underdark Travel The Underdark is a vast network of caverns, tunnels, vaults, and passages stretching from one end of Faerûn to the other. Its physical features are even more varied than those of the
through the Underdark is handled abstractly, using the rules and advice in chapter 8, “Adventuring,” of the Player’s Handbook. The following specific guidelines apply to travel in the Underdark during this adventure.
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
onlookers are the smugglers’ signals to a ship out at sea. The unearthly shrieks and other sounds are caused by magic mouth spells strategically placed in the building. The smugglers, during their three years
ship, the Sea Ghost. The ship is away from the house when the characters explore it, though evidence of its moorings can be discovered in the secret caverns below. The ship comes into play in the
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->Out of the Abyss
domain of Araumycos is a bizarre fungal realm in the heart of the Underdark.
Light. Araumycos’s tunnels and caverns are dimly lit by phosphorescent fungi.
Terrain. Fungal life fills the caverns and
soft enough that characters can sink into it with no warning. Use the quicksand rules in chapter 5, “Adventure Environments,” of the Dungeon Master’s Guide for such areas. Creatures that fail to escape become food for Araumycos.
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
nestled among treacherous cliffs and grasping forest. In the blood-painted caverns hidden beneath the temple lies a stone altar bearing the still-beating heart of Darklord Chakuna. Here, an aspiring
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
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
light sources or darkvision. Stalagmites. Found in many of the natural caverns, these spires of rock rise up from the floor and can be used for cover (see “Cover” in the Basic Rules). BOOMING WAVES
noted otherwise. Rooms have 20-foot-high ceilings, while natural caverns have 30-foot-high ceilings dotted with stalactites. Doors. Unless noted otherwise, all doors are 6 feet tall, 4 feet wide, and
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->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->Player's Handbook (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
chapter 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->Waterdeep: Dungeon of the Mad Mage
18. Serpent Gate These 10-foot-high side caverns feature a standing gate that grants access to level 11. Strikingly beautiful carvings of serpents decorate the walls of these caverns. 18a. Trapped
muck. Chiseled into the lintel stone across the top are the words “DON THE CRYSTAL CROWN” in Dwarvish. This gate’s rules are as follows: The gate opens for 1 minute if a creature wears King Melair’s






