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Returning 35 results for 'detected inside are blue'.
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Monsters
Spelljammer: Adventures in Space
tiresome. Trespassers who are detected in a solar dragon’s lair can expect to be met with resistance, followed by hostility, especially if the lair contains eggs.
A solar dragon egg has an obsidian
has the following effects on creatures:
Brilliant Light. A creature that is within 10 miles of the star or inside it is blinded by its intense light unless the creature has protective gear to shield
Monsters
Out of the Abyss
type of creature that can be (see “Myconids”).A chamberlain of Zuggtmoy looks like a vaguely bipedal mass of blue mold with the barest hint of a face nested deep inside a mossy cowl. It pummels enemies with its mossy fists.Bludgeoning, Piercing
Monsters
Spelljammer: Adventures in Space
tiresome. Trespassers who are detected in a solar dragon’s lair can expect to be met with resistance, followed by hostility, especially if the lair contains eggs.
A solar dragon egg has an obsidian
has the following effects on creatures:
Brilliant Light. A creature that is within 10 miles of the star or inside it is blinded by its intense light unless the creature has protective gear to shield
Monsters
Candlekeep Mysteries
, impressive statues. Like other golems, they are nearly impervious to spells and ordinary weapons. The golem remains a noncombatant unless it is directly attacked.
The Sapphire
The sapphire is inside the
golem’s chest, hidden behind an 9-inch-diameter stone disk. The outer surface of the disk is inscribed with a blue circle that has eight golden beams radiating from it like the rays of the sun
Monsters
The Wild Beyond the Witchlight
/day: mirror image
Green, 1/day: suggestion
Blue, 1/day: major image
Indigo, 1/day: hallucinatory terrain
Violet, 1/day: polymorph+1 Tiny Sword. Melee Weapon Attack: +8;{"diceNotation":"1d20+8
artifact called Iggwilv's Cauldron, the coven has frozen time in Zybilna’s palace, trapping the archfey inside.
A goblin named Jingle Jangle has the key to Sir Talavar’s birdcage. She lives
Monsters
Tomb of Annihilation
following properties while attuned to the dagger, provided he has the weapon drawn:
Cause a blue gem set into the dagger’s pommel to shed bright light in a 20-foot radius and dim light for an
charges). The ice object can’t have any moving parts, must be able to fit inside a 10-foot cube, and has the density and durability of metal or stone (Artus’s choice). The ice creature
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
easily accessible entrances or exits at all, and trespassers who do find their way inside must then contend with a maze of corridors, dead ends, and steep inclines.
Sapphire Dragon Lair Features
The
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
Bag of Beans
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Magic Items
Basic Rules (2014)
Inside this heavy cloth bag are 3d4 dry beans. The bag weighs 1/2 pound plus 1/4 pound for each bean it contains.
If you dump the bag's contents out on the ground, they explode in a 10-foot radius
where you are. The statue becomes inanimate after 24 hours.
31-40
A campfire with blue flames springs forth and burns for 24 hours (or until it is extinguished).
41-50
1d6 + 6 shrieker
Species
Mordenkainen Presents: Monsters of the Multiverse
Water genasi descend from marids, aquatic genies from the Elemental Plane of Water. Water genasi are perfectly suited to life underwater and carry the power of the waves inside themselves.
Their
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
Compendium
- Sources->Dungeons & Dragons->The Book of Many Things
open until no more movement is detected. Some doors are color coded and require a key card to open. A creature carrying the appropriate key card can open a locked door by standing within 10 feet of the
card necessary to unlock it. Key cards come in three colors: Red Key Cards. The sphere’s workhands carried red key cards, which open red doors. Blue Key Cards. High-ranking stewards and technicians
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
Stowing Away Characters can stow away inside the flying fortress while it’s moored at the Stygian Dock, provided they sneak aboard without being detected. When the flying fortress is repaired and
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
no exit. The floor returns to a closed position in 10 minutes, sealing any victim inside the pit until another creature triggers the floor trap again. Crawl Space. The ceiling route is a crawl space
some 3 feet square. At the place it turns east there is a plug in the ceiling, which can be detected only with magic or if a character has sense enough to check for secret doors. A character who
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
actually shimmers with a faint blue light. When the door is touched, this glimmering grows bright. A brass pull beckons to be used, and the door will open easily. Inside the western room there is
26. Small Room with a Door of Electric Blue The two doors near the northern corners of the throne room look the same. When a character comes within 10 feet of either one, it can be seen that the door
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
The Tower After making their way through the dangers of the hedge maze, the adventurers can enter Xonthal’s Tower. Once inside, they learn that Iskander’s fellow cultists have discovered his treason
the dragon mask he promised them. Before the characters can leave, however, they must deal with the blue dragon summoned to protect the mask. Though the tower appears square from the outside, its
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
floor-to-ceiling glass tanks, four of which are filled with a light-blue fluid in which the body of an elderly male human is suspended. Three of the bodies appear lifeless and inert. The fourth looks
Door Located at the back of an empty tank, this locked door leads to area 9. It can be detected with a successful DC 14 Wisdom (Perception) check. Without the key carried by Andras, its lock can be
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
The Tower After making their way through the dangers of the hedge maze, the adventurers can enter Xonthal’s Tower. Once inside, they learn that Iskander’s fellow cultists have discovered his treason
the dragon mask he promised them. Before the characters can leave, however, they must deal with the blue dragon summoned to protect the mask. Though the tower appears square from the outside, its
Compendium
- Sources->Dungeons & Dragons->Dragon Delves
Cards. A Glyph Card is a ceramic tile roughly the size of a playing card, engraved with an asterisk-shaped glyph and inlaid with blue crystal. The glyph on the card matches the glyph on the Starglass
Waypoint’s sealed doors. Outpost staff and guests used Glyph Cards as passkeys. The cards can now be found in various locations inside the outpost. Touching a Glyph Card to a sealed door unlocks it
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
recognize any stir caused by the adventurers’ arrival.) The cultists don’t know the adventurers’ plans, but with the Blue Dragon Mask on hand, they don’t intend to take chances. Their preparations
alarm Iskander, who sees his chance for escape dwindling. In a panic, he grabs the Blue Dragon Mask and dashes to the tower balcony. As the characters prepare to enter the maze for the first time, or if
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
recognize any stir caused by the adventurers’ arrival.) The cultists don’t know the adventurers’ plans, but with the Blue Dragon Mask on hand, they don’t intend to take chances. Their preparations
alarm Iskander, who sees his chance for escape dwindling. In a panic, he grabs the Blue Dragon Mask and dashes to the tower balcony. As the characters prepare to enter the maze for the first time, or if
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->Hoard of the Dragon Queen
17. High Blue Tower This tower of pale blue ice is the color of sky on a winter day. Its few windows shimmer like mirrored glass or crystal. The door to this tower is fitted with an iron lock, and
have long coils of rope they use to climb up and down the tower’s exterior. The tower interior is a hollow cylinder 90 feet high, without stairs or ladders to reach the top. Any creature inside the
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
their caves and wait for enemies to come to them. Once they enter combat, the giants pursue enemies that attempt to flee. The Blue Bear tribe shares Kayalithica’s belief that civilization is a blight on
. Hydia Moonmusk, the fearless daughter of the Blue Bear tribe’s great chief, has made a den for herself in the bear cave near the mouth of the canyon (area 3). Characters who allow Hydia enough time
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
17. High Blue Tower This tower of pale blue ice is the color of sky on a winter day. Its few windows shimmer like mirrored glass or crystal.
The door to this tower is fitted with an iron lock, and
. They have long coils of rope they use to climb up and down the tower’s exterior. The tower interior is a hollow cylinder 90 feet high, without stairs or ladders to reach the top. Any creature inside the
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
favor. Captive characters soon become cat’s-paws in Fenthaza’s coup. TEMPLE ROSTER AND REINFORCEMENTS
If the yuan-ti detect intruders inside the temple who aren’t prisoners, they try to ring the loud
gong in area 9. The Temple Roster table summarizes the positions of yuan-ti across the lair and indicates how they react when intruders are detected or the gong is struck.
Once an alarm is raised
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
Opening the Way When the characters reach the wall of the Reghed Glacier at the spot specified by Vellynne Harpell or Professor Skant, read: An immense, glistening wall of blue ice stands before you
are spoken, a rumbling sound comes from deep within the glacier. The noise reaches a crescendo as the great wall of ice parts. Through the crack, you can see an opening that leads inside the glacier.
Once the way is open, the party is free to descend into the newly formed tunnel (area H1).
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
there for a long time, but for almost a year now, the villagers have seen lights through the windows at night and heard unearthly sounds. A few claim to have seen a blue dragon lingering in the sky
(fearing that an all-out battle would likely destroy the village too), they’re interested in talking of little else besides who could be inside. The most popular theories are that Xonthal has returned or has
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
there for a long time, but for almost a year now, the villagers have seen lights through the windows at night and heard unearthly sounds. A few claim to have seen a blue dragon lingering in the sky
(fearing that an all-out battle would likely destroy the village too), they’re interested in talking of little else besides who could be inside. The most popular theories are that Xonthal has returned or has
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
dismiss the horses with a second command word (“Arvesh”). The horses can be dispelled (DC 15) but not harmed. The wagon has a hidden trapdoor in its underbelly that can be detected by a character who
scuttles under the wagon and succeeds on a DC 13 Wisdom (Perception) check. The trapdoor opens into the wagon and is the only safe way inside. Booby Trap The inside handle of the door has a wire
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
mural shows the golem and the prince placing a golden cylinder inside a vault filled with stars. A beam of blue light emerges from a gem in the golem’s chest. There’s a large inscription engraved below
and its horde of monsters. The blue dragon stands atop a mastaba under which lies a star-filled vault surrounded by a magical aura. The vault holds a young man inside a sarcophagus. On the left side of
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
.
The keep seems old and worn, but new timbers and shingles suggest that repairs are underway. A white banner with a blue gauntlet flies over the keep.
The front gate is closed.
What happens next
them. Characters who make use of inside knowledge (asking to see Gar Shatterkeel or Reash, or to sign on with Grimjaw) are considered to be either important guests or spies who know too much. If the
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
to an underground temple. A crumbling stone door separates the monster from the temple’s interior.
The Blue Fire Wardens are trapped inside their own temple. If the characters don’t intervene, the
breaking down the door, it enters the temple and attacks the seven wardens (use the werewolf stat block, except their alignments are neutral good) who are trapped inside. The underground temple isn’t shown
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
other rows. Gas Trap. The hinges on the front pews are larger and stronger because they include rods that are connected to valves inside the pew. If the seat on either of the front pews is lifted up, a
to the trapped pews have 2,000 gp each. Altar. The centerpiece of the chapel is a block of strange material that glows with an inner light of opalescent blue. (If the altar is specifically targeted by
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
in the lower level. Blue Mist A thin, odorless blue mist lingers inside the ruin. Characters who enter the building expose themselves to blue mist fever (see “Diseases”). Roll again on the Ruin
— 41–50 Assassin vines 51–60 Blue mist (and roll again) 61–65 Collapsing floor (and roll again) 66–70 Nest 71–75 Plant discovery 76–85 Treasure 86–00 Vegepygmies Assassin Vines This ruin is choked with
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
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






