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Returning 35 results for 'before block diameter completely reflective'.
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Spells
Player’s Handbook
in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a solid
barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area.
When you cast the spell, any creature that is completely inside the cage’s area is
Magic Items
Dungeon Master’s Guide
This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 Beads of Force are found together.
You can take a Magic action to throw the bead up to 60 feet
force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on the save or are partially within
Forcecage
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Spells
Basic Rules (2014)
in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart.
A prison in the shape of a box can be up to 10 feet on a side, creating a solid
barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area.
When you cast the spell, any creature that is completely inside the cage's area is
Monsters
Candlekeep Mysteries
-diameter sphere of luminous ectoplasm—into one of its two alternate forms, or from one of those forms back into its true form. In object form, it can’t move or make attacks but otherwise retains
its statistics, and it is indistinguishable from the thing it is imitating. In beast form, it retains its hit points but otherwise uses the stat block of the beast it is imitating. When it dies, the
Bead of Force
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Magic Items
Basic Rules (2014)
This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 beads of force are found together.
You can use an action to throw the bead up to 60 feet. The bead
force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on the save, or are partially
Monsters
Bigby Presents: Glory of the Giants
; 3, Spell Scarred; or 4, Winged Form. This mutation determines certain traits in this stat block.
Amorphous (Elastic Body Only). The mutate can move through a space as narrow as 1 inch without
troll undergoes strange mutations. Among the most common mutations are wings, stretchable bodies, resistance to magic, and a strange reflective psychic property. Many troll mutates also have small
Monsters
Icewind Dale: Rime of the Frostmaiden
the effect on itself on a success.Third Form
Auril’s third form, called Winter’s Womb or the Queen of Frozen Tears by her most ardent followers, is a 3-foot-diameter ice diamond containing
.
A stat block is given for each of Auril’s three forms. These descriptions do not reflect Auril at full power, but rather Auril as she is encountered in this adventure.Lair Actions
Auril
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
feet in diameter—plenty of room for those who wish to leap in and be completely and forever destroyed. A character who examines the mouth and succeeds on a DC 20 Intelligence (Arcana) check identifies the trap for what it is.
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
prison in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a
solid barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage’s area is
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a solid barrier that prevents any matter from passing through it and blocking
any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage’s area is trapped. Creatures only partially within the area, or those too large to fit
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
prison in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a
solid barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage’s area is
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a solid barrier that prevents any matter from passing through it and blocking
any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage’s area is trapped. Creatures only partially within the area, or those too large to fit
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
from a gaping hole in the east wall. Crushed beneath a fallen block in the center of the room are humanoid remains. Elsewhere around the floor are the chewed and decayed corpses of baboons. Through a
room because of their fear of the snake.) Treasure. The bones crushed beneath the fallen block belonged to two humans. This block can be moved by the combined effort of up to three characters with a
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
wall and begins to slide into the corridor. Have the players roll initiative. On each initiative count, the block slides 6 inches to the west, until at initiative count 1, it completely blocks the
across the stone, and the trap is triggered. Sliding Block Trap. If the paving stones shift when someone moves across them, a 10-foot-thick block of stone emerges from the midpoint of the eastern
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Astral Adventurer’s Guide
distance equal to the longest dimension of its form. For example, a spherical planet 5,000 miles in diameter has an air envelope 15,000 miles in diameter, with the planet at the center of it. An air
envelope need not be spherical; for example, a block of wood 1 foot by 2 feet by 3 feet is surrounded by a more-or-less rectangular envelope of air 3 feet by 6 feet by 9 feet. The air envelope around a
Compendium
- Sources->Dungeons & Dragons->Scions of Elemental Evil
Bead of Force Wondrous Item, Rare This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 Beads of Force are found together. You can take a Magic action to
damage. A sphere of transparent force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
Bead of Force Wondrous item, rare This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 beads of force are found together. You can use an action to throw
damage. A sphere of transparent force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
Bead of Force Wondrous Item, Rare This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 Beads of Force are found together. You can take a Magic action to
damage. A sphere of transparent force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
Bead of Force Wondrous Item, Rare This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 Beads of Force are found together. You can take a Magic action to
damage. A sphere of transparent force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on
Compendium
- Sources->Dungeons & Dragons->Rrakkma
Area Information Dimensions & Terrain A wrought iron spiral staircase, rusted and crumbling from disrepair and neglect, leads up to the ceiling of this circular chamber, twenty-five feet in diameter
above is completely sealed off from the winds of Pandemonium, though it has a small two-foot by two- foot window that has been fitted with an adamantine shutter. The shutter may be opened or closed
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
Bead of Force Wondrous item, rare This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 beads of force are found together. You can use an action to throw
damage. A sphere of transparent force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
wooden coffin resting on a 2-foot-high block of gray stone. The coffin is intact and has an obvious 1-inch-diameter hole bored into its foot panel. The coffin’s lid is unlocked. A thin layer of grave
leading to this area notice a 1-inch-diameter hole bored through it a few inches above the floor. This hole allowed the ancient vampire to enter and leave its lair in mist form. 7a. Hall of Retreat If they
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
them, read: A ten-foot-deep, empty pit completely fills the passageway and extends so far as to make jumping across it impossible for most creatures.
Spike Trap. The characters might deduce that
block didn’t work—unless the check fails by 5 or more, in which case the job seems solid but fails when someone walks on the plate.
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
experiment to infuse piscine traits into a soldier or the result of someone drinking from a spring tainted by demon’s blood; the merrow’s stat block remains the same. But those different origin stories suggest
completely different paths for adventurers to follow when investigating the creature and ensuring nothing like it ever returns to be a menace again.
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
1. Main Entrance A muddy trail leads up to a 40-foot-wide open doorway, parked outside of which is a 30-foot-diameter boulder. North of the boulder is a 60-foot-tall outcropping of rock with a flat
at Hruk to move the boulder to block the doorway. The boulder, however, is smaller than the doorway. Small and Medium creatures can move around it unimpeded, while a Large creature can squeeze past the
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
the opening, the skeletons to animate (see below), and the pit to begin filling with water. It takes 5 rounds to completely fill a pit, leaving no air space at the top. After one hour, the slab opens
(use the minotaur skeleton stat block, but treat its greataxe attack as a claws attack and its gore attack as a mandibles attack). The third looks like it contains the skeleton of a large wolf-headed
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
form of the obedient army that unquestioningly enacts her every whim. The Falcon’s Talons. Vladeska’s military forces are both completely overwhelming and entirely outnumbered. As an occupying force
, though, they’re fighting a losing battle against foes whose numbers only grow. And every time a Talon falls, Lekar’s final defeat grows closer. Talon soldiers use the guard stat block, while commanders
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
5. Scrap Metal Warren A 40-foot-high mountain of scrap metal has 10-foot-diameter tunnels winding through it. The scrap metal pile spills into area 2, dominates the cavern north of it, and completely
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
20. False Tomb Nested in the ceiling of the western tunnel is a stone block. A character who searches the tunnel spots the block with a successful DC 15 Wisdom (Perception) check. The block is part
sunlight, and creatures averse to sunlight are affected by it. The gargoyle heads are 5 feet tall and 5 feet wide, with mouths that are 2 feet in diameter. Behind each head, an airtight stone valve blocks a
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
35. I’jin’s Tomb Characters can reach this area via area 18, by lowering the stone block in the east wall (area 35A), or by slipping between the teeth of the jackal visage at area 29. 35A. Stone
Block A 5-foot-wide, 5-foot-thick, 12-foot-tall block of solid stone fills the doorway leading to I’jin’s tomb (area 35B). The block is featureless on the side that faces the tomb, and it is impervious to
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
throat from which the intellect snares emerged. N2: Throat The great creature’s throat is an organic passage 10 feet in diameter. A distant pulse thrums through the floor, and contractions cause the
save, or half as much damage on a successful one. A creature reduced to 0 hit points from this acid damage is completely dissolved. Surgical Precision. Controlling the fluid’s release more carefully
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
Incense. Also present is a sealed case containing ten blocks of temple incense. Lighting a block creates a hazy cloud that fills a 20-foot-diameter sphere and moves with the block. Any creature that starts
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
erupting from a block of stone. The block is 10 feet high, and the serpent is another 10 feet taller still, with two gleaming eyes of polished obsidian (see “Treasure”). Its fanged mouth is open as it
glares down at a 20-foot-diameter hole in the sandstone floor. The hole represents the top of an 800-foot-deep shaft, the bottom quarter of which is filled with sand and old bones (previous sacrifices to
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
from the fen are two rows of standing stones, each one a rough-carved pillar twenty feet high and ten feet thick. Floating inches above each standing stone is a ten-foot-diameter boulder. West of 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->Waterdeep: Dungeon of the Mad Mage
-diameter disk of purple stone, inscribed upon which is the Shadowdusk crest: a lit torch with three trailing embers, its orange flame pointed toward the double door to the west.
Mosaics. The 40-foot
, Yarlithra. Each statue stands atop a 2-foot-high block of stone that bears an inscription of the noble’s name. Secret Door. A locked secret door is hidden in the wall next to the statue of Xerrion in






