diameter inside are barrier

Forcecage

Spells Player’s Handbook

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

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

Arcane Eye

Spells Player’s Handbook

with a range of 30 feet. As a Bonus Action, you can move the eye up to 30 feet in any direction. A solid barrier blocks the eye’s movement, but the eye can pass through an opening as small as 1 inch in diameter.

Otiluke's Resilient Sphere

Spells Player’s Handbook

physical objects, energy, or other spell effects—can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is immune to all damage, and a creature or

object inside can’t be damaged by attacks or effects originating from outside, nor can a creature inside the sphere damage anything outside it. The sphere is weightless and just large enough to

Bead of Force

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

Portable Hole

Magic Items Dungeon Master’s Guide

This fine black cloth, soft as silk, is folded up to the dimensions of a handkerchief. It unfolds into a circular sheet 6 feet in diameter. You can take a Magic action to unfold a Portable Hole and

can’t be used to create open passages. Any creature inside an open Portable Hole can exit the hole by climbing out of it. You can take a Magic action to close a Portable Hole by taking hold of

Purple Worm

Monsters Monster Manual

Tunneler. The worm can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The worm makes one Bite attack and one Tail Stinger attack

":"damage", "rollAction":"Swallow", "rollDamageType":"Acid"} Acid damage at the start of each of the worm’s turns. If the worm takes 30 damage or more on a single turn from a creature inside it

Mordenkainen's Private Sanctum

Spells Player’s Handbook

area appears dark and foggy, preventing vision (including Darkvision) through it. Sensors created by Divination spells can’t appear inside the protected area or pass through the barrier at its

decide what sort of security the spell provides, choosing any of the following properties: Sound can’t pass through the barrier at the edge of the warded area. The barrier of the warded

Wall of Fire

Spells Player’s Handbook

You create a wall of fire on a solid surface within range. You can make the wall up to 60 feet long, 20 feet high, and 1 foot thick, or a ringed wall up to 20 feet in diameter, 20 feet high, and 1

damage on a successful one. One side of the wall, selected by you when you cast this spell, deals 5d8 Fire damage to each creature that ends its turn within 10 feet of that side or inside the wall. A

Orb of Dragonkind

Magic Items Dungeon Master’s Guide

;s control. An orb is an etched crystal globe about 10 inches in diameter. When used, it grows to about 20 inches in diameter, and mist swirls inside it. While attuned to an orb, you can take a

Eye Monger

Monsters Spelljammer: Adventures in Space

Antimagic Gullet. Magical effects, including those produced by spells and magic items but excluding those created by artifacts or deities, are suppressed inside the eye monger’s gullet. Any

object inside the gullet. False Appearance. If the eye monger is motionless and has its eye and mouth closed at the start of combat, it has advantage on its initiative roll. Moreover, if a creature

Young Purple Worm

Monsters Princes of the Apocalypse

Tunneler. The worm can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The worm makes two attacks: one with its bite and one with its

","rollDamageType":"acid"} acid damage at the start of each of the worm's turns. If the worm takes 30 damage or more on a single turn from a creature inside it, the worm must succeed on a DC 21

Sapphire Sentinel

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

Young Lunar Dragon

Monsters Spelljammer: Adventures in Space

Tunneler. The dragon can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn't require air.Multiattack. The

’t reduced.Lunar dragons (also known as moon dragons or phase dragons) are capricious, xenophobic creatures that make their lairs inside desolate moons by burrowing through the rock. Before laying

Eyestalk of Gzemnid

Monsters Planescape: Adventures in the Multiverse

Tunneler. The eyestalk can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The eyestalk uses Eradication Gaze, if available, and makes

","rollAction":"Bite","rollDamageType":"acid"} acid damage at the start of each of the eyestalk’s turns. If the eyestalk takes 30 damage or more on a single turn from a creature inside it, the

Wurm

Monsters Guildmasters’ Guide to Ravnica

":"force"} force damage. Siege Monster. The wurm deals double damage to objects and structures. Tunneler. The wurm can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter

","rollDamageType":"acid"} acid damage at the start of each of the wurm's turns. If the wurm takes 30 damage or more on a single turn from a creature inside it, the wurm must succeed on a DC 21

Nightwalker

Monsters Mordenkainen Presents: Monsters of the Multiverse

ends. Most individuals prove unequal to the task. Those not destroyed outright are sometimes drawn inside the plane and replaced by nightwalkers—terrifying Undead creatures that devour all life

they encounter. One can reach the Negative Plane from the Shadowfell in places where the barrier between the planes is thin. Stepping onto the Negative Plane is almost always fatal since the plane

Lunar Dragon Wyrmling

Monsters Spelljammer: Adventures in Space

Tunneler. The dragon can burrow through solid rock at half its burrowing speed and leaves a 5-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air.Bite. Melee

their lairs inside desolate moons by burrowing through the rock. Before laying eggs, a female lunar dragon stocks her lair with food; she won’t leave the lair again until the eggs hatch and the

Jammer Leech

Monsters Spelljammer: Adventures in Space

shell is affixed to the ship by a glue-like substance secreted by the leech. The shell grows until it’s about 1 foot in diameter. The leech inside is reddish-purple in color, with a body resembling

, with the leech inside in larval form. A spore that remains attached to a ship for a few days punctures the hull and begins to develop a hard shell that roughly matches the color of the hull. The

Tempest Spirit

Monsters Bigby Presents: Glory of the Giants

":"Incorporeal Movement", "rollDamageType":"force"} force damage if it ends its turn inside an object. Legendary Resistance (3/Day). If the spirit fails a saving throw, it can choose to succeed

where the barrier between the Material Plane and the Shadowfell is thin, the seeping negative energy drastically alters the ritual’s outcome. The giant’s soul becomes infused with negative

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

conjecture than fact, often referring to otherworldly beings, the mysterious Barrier Peaks in Oerth, and the supposedly related device known as the Machine of Lum the Mad. The best details on the device

attuned to the artifact. Attuning to the artifact requires two hours, which can be undertaken as part of a long rest, during which time you must be inside the servant, interacting with its controls

Navigation Orb

Magic Items Storm King's Thunder

A navigation orb is a hollow, 7-foot-diameter sphere of thin, polished mithral with a large skye (cloud) rune embossed on its outer surface. The orb levitates 10 feet above the ground and is keyed to

a particular cloud castle, allowing you to control that castle’s altitude and movement while the orb is inside the castle. If the orb is destroyed or removed from its castle, the castle’s

Astral Dreadnought

Monsters Mordenkainen Presents: Monsters of the Multiverse

diameter with a ceiling 100 feet high. Like a stomach, it contains the remains of past meals. The dreadnought can’t be harmed from within the demiplane. If the dreadnought dies, the demiplane

disappears, and everything inside it appears around the dreadnought’s corpse. The demiplane is otherwise indestructible. Legendary Resistance (3/Day). If the dreadnought fails a saving throw, it can

Adult Lunar Dragon

Monsters Spelljammer: Adventures in Space

-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +11;{"diceNotation

(also known as moon dragons or phase dragons) are capricious, xenophobic creatures that make their lairs inside desolate moons by burrowing through the rock. Before laying eggs, a female lunar dragon

Ancient Lunar Dragon

Monsters Spelljammer: Adventures in Space

-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +14;{"diceNotation

attacks.Lunar dragons (also known as moon dragons or phase dragons) are capricious, xenophobic creatures that make their lairs inside desolate moons by burrowing through the rock. Before laying eggs, a

Drow Matron Mother

Monsters Mordenkainen Presents: Monsters of the Multiverse

and using Charisma as the spellcasting ability (spell save DC 20): At will: command, dancing lights, detect magic, thaumaturgy 2/day each: banishment, blade barrier, cure wounds, hold person, plane

mother to use the following lair actions while within it. Any temple of Lolth also functions as a matron mother’s lair while she is inside it, unless she has renounced Lolth or another matron mother

Living Loot Satchel

Magic Items Acquisitions Incorporated

” fanged mouth. Wizard A pocket dimension hidden up your sleeve or inside your hat The living loot satchel is a kind of magical being that safeguards the franchise’s funds and

diameter and 10 feet deep. As before, you can place any appropriately sized object into the portable-hole-sized chest, even if it wouldn’t normally fit into your satchel. That Expensive Thing You

Ancient Sapphire Dragon

Monsters Fizban's Treasury of Dragons

needing to make an ability check. Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 20-foot-diameter tunnel in its wake.Multiattack. The dragon makes one

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

Adult Sapphire Dragon

Monsters Fizban's Treasury of Dragons

needing to make an ability check. Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 10-foot-diameter tunnel in its wake.Multiattack. The dragon makes one

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 sapphire dragon lair shown in map 5.12 is a series

Scroll of Protection Legacy

Magic Items Dungeon Master’s Guide (2014)

you in a invisible barrier that extends from you to form a 5-foot-radius, 10-foot-high cylinder. For 5 minutes, this barrier prevents creatures of the specified type from entering or affecting anything

within the cylinder. The cylinder moves with you and remains centered on you. However, if you move in such a way that a creature of the specified type would be inside the cylinder, the effect ends

Forcecage Legacy

Spells Basic Rules (2014)

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

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

Resilient Sphere Legacy

Spells Basic Rules (2014)

for the duration. Nothing--not physical objects, energy, or other spell effects--can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is immune to

all damage, and a creature or object inside can't be damaged by attacks or effects originating from outside, nor can a creature inside the sphere damage anything outside it. The sphere is weightless

Arcane Eye Legacy

Spells Basic Rules (2014)

of existence. A solid barrier blocks the eye's movement, but the eye can pass through an opening as small as 1 inch in diameter.

Portable Hole Legacy

Magic Items Basic Rules (2014)

This fine black cloth, soft as silk, is folded up to the dimensions of a handkerchief. It unfolds into a circular sheet 6 feet in diameter. You can use an action to unfold a portable hole and place

used to create open passages. Any creature inside an open portable hole can exit the hole by climbing out of it. You can use an action to close a portable hole by taking hold of the edges of the cloth

Otiluke's Resilient Sphere Legacy

Spells Player’s Handbook (2014)

for the duration.Nothing—not physical objects, energy, or other spell effects—can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is

immune to all damage, and a creature or object inside can’t be damaged by attacks or effects originating from outside, nor can a creature inside the sphere damage anything outside it.The sphere is

Private Sanctum Legacy

Spells Basic Rules (2014)

warded area. The barrier of the warded area appears dark and foggy, preventing vision (including darkvision) through it. Sensors created by divination spells can't appear inside the protected area or

dismiss it. When you cast the spell, you decide what sort of security the spell provides, choosing any or all of the following properties: Sound can't pass through the barrier at the edge of the

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