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Returning 35 results for 'blue before decade cavern rules'.
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Equipment
Khyber dragonshards are found deep in the earth, often near layers of magma. These living crystals typically grow on cavern walls, and superstition says they flourish in areas with significant
fiendish activity. Khyber dragonshards are deep blue or dark violet, laced with gleaming veins.
Khyber dragonshards have a affinity for binding magics. Elemental binding — which is behind
Monsters
Fizban's Treasury of Dragons
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
plunder.
2
A young blue dragon is teaching a young dragon turtle to terrorize nearby settlements so the inhabitants will propitiate the dragon turtle with gold.
3
A young dragon turtle
Species
Fizban's Treasury of Dragons
Dragonborn with chromatic ancestry claim the raw elemental power of chromatic dragons. The vibrant colors of black, blue, green, red, and white dragons gleam in those dragonborn’s scaled skin
. If you select one of the dragonborn races in this chapter, follow these additional rules during character creation.
Ability Score Increases
When determining your character’s ability scores
Species
Mordenkainen Presents: Monsters of the Multiverse
, pointed ears and noses that turn bright red or blue during displays of emotion.
Creating Your Character
At 1st level, you choose whether your character is a member of the human race or of a
fantastical race. If you select a fantastical race, follow these additional rules during character creation.
Ability Score Increases
When determining your character’s ability scores, increase one score
Species
Mordenkainen Presents: Monsters of the Multiverse
skin is often shades of blue or green, sometimes a blend of the two. If they have a human skin tone, there is a glistening texture that catches the light, like water droplets or nearly invisible fish
whether your character is a member of the human race or of a fantastical race. If you select a fantastical race, follow these additional rules during character creation.
Ability Score Increases
When
Species
Mordenkainen Presents: Monsters of the Multiverse
winds.
Air genasi’s skin tones include many shades of blue, along with the full range of human skin tones, with bluish or ashen casts. Sometimes their skin is marked by lines that seem like cracks
At 1st level, you choose whether your character is a member of the human race or of a fantastical race. If you select a fantastical race, follow these additional rules during character creation
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
Monsters
Fizban's Treasury of Dragons
breath weapon sows weakness, leaving the victims unable to fight back.
Luminous Blue
Sapphire dragons’ scales and wing membranes show varied shades of blue, ranging from the light tones of a
, 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
Monsters
Fizban's Treasury of Dragons
the victims unable to fight back.
Luminous Blue
Sapphire dragons’ scales and wing membranes show varied shades of blue, ranging from the light tones of a spring sky to the rich, crystalline
by their goddess to deal with the adult sapphire dragon who has been hunting her holy spiders.
5
A forgetful and nearsighted adult sapphire dragon believes a blue dragon wyrmling is actually the
Kobold
Legacy
This doesn't reflect the latest rules and lore.
Learn More
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->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
depicts a region of Annam’s Cradle with the following features: Jungle. Nourished by the light of the Radiant Sun and persistent rainfall, this part of the cavern is covered in lush rain forest. The jungle
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
sign of power.
Adult Blue Dragon Connections d8 Connected Creatures
1 An adult blue dragon rules a city and applies exacting standards of aesthetic perfection to everything and everyone
the wyrmlings’ parents.
3 An ancient blue dragon is training an androsphinx as heir to the region the dragon rules and searching for magic items that will allow the sphinx to control the weather
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
entrance chamber (toward the left side of the map), a smaller cavern with a worked stone floor contains the dragon’s artfully arranged hoard. The glass walls of this chamber are studded with blue gems, and
Blue Dragon Lairs Blue dragons make their lairs in deserts and other arid landscapes. They prefer warm climates, but if an otherwise ideal potential lair presents itself in a cold environment, they
Compendium
- Sources->Dungeons & Dragons->Spelljammer Academy
Spindle Cavern If the characters follow the tracks into the cave, read: The fifteen-foot-wide passage opens into a large, rough chamber with a sunken floor. A misshapen, vaguely oblong lump of metal
sits in the middle of the chamber. A sliver of light streaming down on it from a hole in the cavern’s ceiling gives it a dark-blue sheen. Hovering near the meteorite are two identical creatures, each
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->Dragonlance: Shadow of the Dragon Queen
Dragon Armies Regroup 351 AC With virtually all of eastern Ansalon under their control, the Dragon Armies have spent much of the last year regrouping and consolidating their power. The Blue and Red
Armies.
One week. One week since these creatures swept down on us in numbers too vast to count. It feels like a decade. Everything is upside down.
They’re everywhere. We’ve avoided the bulk
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
traced to a broad chasm (area 13g). 13a. Main Cavern Characters see a bright blue-white light ahead as they approach this cavern. The cave’s features are as follows: Runestone. The cavern is lit by a 10
13. Runestone Caverns An immense central cavern (area 13a) has several smaller caverns extending off it (areas 13b through 13f). A howling wind echoes throughout this area, and its source can be
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
, a rocky cavern dimly lit by blue light filtering through the icy vault high above. The largest of the dragon’s frozen trophies are scattered about the grotto. Low Cavern. Beyond the grotto, the
stream leads to a low-ceilinged cavern the dragon used as a sleeping place when smaller; it might now serve as a home for the dragon’s minions. Upper Cavern. High above the grotto floor is a large cave
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
get back to her wife Urgala, whom she hasn’t seen in a decade. When last they were together, Urgala and Darribeth were living in Amphail, a town north of Waterdeep. In the intervening years, Urgala
inn.) If her sanity is restored, Darribeth becomes her normal self — a curious and kind woman with a flair for magic who doesn’t mind bending rules for the greater good. She speaks Common, Dwarvish
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
called the Runestone. The crystal radiates bright blue-white light in a 120-foot radius and dim light for an additional 120 feet. Halaster’s red-glowing rune floats inside it. The Runestone is a Large
appear to originate from the rune lodged inside it. Halaster can end the link at any time (no action required). While Halaster is linked to the Runestone, its light changes from blue-white to red
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
peoples can accomplish with the proper guidance.
Blue Dragon Ideals d6 Ideal
1 Order. Life is best when everyone is part of a hierarchy and rules are clear and consistent. (Lawful)
2
Creating a Blue Dragon Use the Blue Dragon Personality Traits and Blue Dragon Ideals tables to inspire your portrayal of distinctive blue dragon characters, and use the Blue Dragon Spellcasting table
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->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->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->Vecna: Eve of Ruin
Power of Secrets The characters can learn two secrets in this chapter that are applicable to the rules in “The Power of Secrets” section in this book’s introduction: Gazaia’s Secret. The dryad Gazaia
) described in the “Peylon Tree Locations” section later in this chapter. Valendar’s Secret. The werewolf Valendar led an assault against his enemies without properly planning the mission. Valendar is the leader of the Blue Fire Wardens and is held captive in area V7 of the Three Moons Vault.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
Approach An old yuan-ti trap meant to prevent approach to the gate still functions in this area. A pressure plate under the water and mud extends the full width of the cavern entrance. A character
searching the cavern for traps who succeeds on a DC 20 Wisdom (Perception) check spots the pressure plate. The trap triggers whenever a weight of 50 pounds or more is placed on the pressure plate. Darts
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
Compendium
- Sources->Dungeons & Dragons->Journeys through the Radiant Citadel
from vibrant blue-green to deeper blue. Once the characters descend 500 feet, only dim light illuminates their surroundings. After the characters descend 3,000 feet, they enter an area of complete
DC 10 Constitution saving throw or gain 1 level of exhaustion. A creature that has a swimming speed can swim all day without penalty and uses the normal forced march rules in the Player’s Handbook. The
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
Story of the Cave This cavern complex was hollowed out by dwarf prospectors and miners looking for precious gems and metals. That effort bore no fruit, and the cave was abandoned. The Tribe of the
emits a cold, blue flame. As long as the flame burns, the berserkers can’t be killed inside their lair (see area Q5). The berserkers share their cave with two white dragon wyrmlings, which hatched from
Compendium
- Sources->Dungeons & Dragons->Eberron: Rising from the Last War
smuggling. In addition, it governs a wide network of lesser gangs and crime lords across the city. In the past, the clan’s reputation was sufficiently strong to prevent any challenges. Over the last decade
associate of the clan, you’ll be expected to respect the hierarchy and follow the rules, and you might be targeted by Daask just as if you were a Boromar yourself. If you have a contact in the Boromar Clan
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
of blue ice are partly transparent, revealing various things embedded in the ice all around, including coins, helmets, livestock, a handful of kobolds, and an ogre or two. Frost coats the tunnel floors
and crunches underfoot.
When the characters reach the main vault, read: All tunnels seem to lead to a central core—a glittering cavern of ice with jagged walls and icicles the size of stalactites
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
10. Mad Mage’s Puzzle Indentation. A 4-inch-deep, 8-foot-wide, 10-foot-long rectangular indentation is carved into the floor of this 20-foot-high cavern.
Jigsaw Pieces. A loose pile of carved
, his head thrown back in laughter as he rides a great blue dragon. With a successful DC 15 Intelligence (Investigation) check, a character can fit all the puzzle pieces together with 1 hour’s work. If
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
5. Overpass Where a high tunnel passes through the larger tunnel cavern below, the goblins have set up a bridge guard post. The stream passage continues up beyond another set of uneven steps ahead
, bending eastward as it goes. A waterfall sounds out from a larger cavern somewhere ahead of you.
If the characters didn’t spot the bridge while navigating area 4, they spot it now. Add: A rickety
Compendium
- Sources->Dungeons & Dragons->Hoard of the Dragon Queen
of blue ice are partly transparent, revealing various things embedded in the ice all around, including coins, helmets, livestock, a handful of kobolds, and an ogre or two. Frost coats the tunnel floors
and crunches underfoot. When the characters reach the main vault, read: All tunnels seem to lead to a central core — a glittering cavern of ice with jagged walls and icicles the size of stalactites
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
8. Made of Stone Gargoyles and stone golems watch over these caves, and Halaster has left a few other surprises here as well. 8a. Gargoyles and Golems Ceiling. This cavern has walls that slope inward
to form a 30-foot-high peak.
Gargoyles. Six gargoyle cling to ledges 20 feet up the walls, three at the north end of the cavern and three at the south end.
Golems. Two stone golems carved to






