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Returning 35 results for 'black barrier diffusing container reaction'.
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Monsters
Baldur’s Gate: Descent into Avernus
immediately use its reaction to make one melee attack.Bane’s devoted followers are warriors who seek to rule through martial strength and intimidation, cruel tyrants who use threats and gifts as
Bane are warriors who wear heavy armor and wield maces, swords, spears, and crossbows. They paint the right gauntlet of their armor black in honor of their patron. Bane’s clerics wield black
Oil of Slipperiness
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Magic Items
Basic Rules (2014)
This sticky black unguent is thick and heavy in the container, but it flows quickly when poured. The oil can cover a Medium or smaller creature, along with the equipment it's wearing and carrying
Monsters
Icewind Dale: Rime of the Frostmaiden
Magic Resistance. The living spell has advantage on saving throws against spells and other magical effects.
Unfettered. The living spell can move through any barrier, even a wall of magical force
appendix D) with a wicked will of its own. It looks like a floating, black planar rift in the shape of a sword. Like a demon, it craves destruction.
Areas of wild magic and sites that have been ravaged
Equipment
This black tapered candle cannot be lit. When a Celestial, Fey, Fiend, or Undead comes within 120 feet of the candle, its wick ignites and burns with a purple flame. Once the candle has ignited, it
burns for one hour, and it cannot be used again. Watcher’s Candles cannot function if they are wrapped in packaging or stowed in a container.
Monsters
Princes of the Apocalypse
Bond of the Black Earth. The burrowshark is magically bound to a bulette trained to serve as its mount. While mounted on its bulette, the burrowshark shares the bulette;bulette's senses and can ride
":"damage","rollAction":"Spear","rollDamageType":"piercing"} piercing damage if used with two hands to make a melee attack.Unyielding. When the burrowshark is subjected to an effect that would move it, knock it prone, or both, it can use its reaction to be neither moved nor knocked prone.
Monsters
Waterdeep: Dungeon of the Mad Mage
(spell save DC 20). The planetar can innately cast the following spells, requiring no material components:
At will: detect evil and good, invisibility (self only)
3/day each: blade barrier, dispel evil
initiative count 20 on the next round. No creature within 120 feet of the planetar can regain hit points until the effect ends.
Fazrian's eyes become smoldering black voids until initiative count 20
Magic Items
Tasha’s Cauldron of Everything
Blue
3
Absorbing Tattoo, Fire;Fire
Red
4
Absorbing Tattoo, Force;Force
White
5
Absorbing Tattoo, Lightning;Lightning
Yellow
6
Absorbing Tattoo, Necrotic;Necrotic
Black
Damage Absorption. When you take damage of the chosen type, you can use your reaction to gain immunity against that instance of the damage, and you regain a number of hit points equal to half the
Monsters
Tales from the Yawning Portal
, Melf's acid arrow, suggestion
3rd level (3 slots): fear, slow, stinking cloud
4th level (3 slots): confusion, Evard's black tentacles
5th level (1 slot): cloudkill
Spider Climb. The Ooze Master can
30 feet of it, the Ooze Master can use a reaction to divert the attack if another creature is within the attack's range. The attacker must make a DC 15 Wisdom saving throw. On a failed save, the
Magic Items
Bigby Presents: Glory of the Giants
A black opal pendant hangs at the base of this pearlescent chain. The sacred rune is inscribed on the back of the pendant.
While wearing this item, you have resistance to necrotic damage
taking damage, you can use your reaction to invoke the item’s rune, causing the pendant to flash with pale light. The creature then instead drops to 1 hit point.
Once the rune has been invoked, it can’t be invoked again until the next dawn.
Monsters
Tyranny of Dragons
effects.
Magic Weapons. Tiamat’s weapon attacks are magical.
Multiple Heads. Tiamat can take one reaction per turn, rather than only one per round. She also has advantage on saving throws
","rollAction":"Bite (Acid)","rollDamageType":"acid"} (black dragon head), lightning damage;{"diceNotation":"4d6","rollType":"damage","rollAction":"Bite (Lightning)","rollDamageType":"lightning"} (blue dragon
Drow Matron Mother
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Monsters
Mordenkainen’s Tome of Foes
slots): blade barrier, harm
7th level (2 slots): divine word, plane shift
8th level (1 slot): holy aura
9th level (1 slot): gate
Sunlight Sensitivity. While in sunlight, the drow has disadvantage on
allied demon within 30 feet of the drow uses its reaction to make one attack against a target of the drow's choice that she can see.
Cast a Spell (Costs 1–3 Actions). The drow expends a spell slot to
Monsters
Mythic Odysseys of Theros
spellcasting ability is Wisdom (spell save DC 18). The rider can innately cast the following spells, requiring no material components:
At will: command, compelled duel
1/day each: banishment, blade barrier
Assault (Costs 2 Actions). The ashen rider makes an attack using its ashen blade or bolt of ash, and then its mount can use its reaction to make a melee weapon attack.
Reduce to Ash (Costs 3 Actions). The
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
allied demon within 30 feet of the drow uses its reaction to make one attack against a target of the drow’s choice that she can see.
Demon Staff. The drow makes one Demon Staff attack.
Cast a
Magic Items
Tasha’s Cauldron of Everything
gleaming black alloy of unknown origin, the servant is often described as a combination of a disproportioned dwarf and an oversized beetle. The servant contains enough space for 1 ton of cargo and a
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
Monsters
The Book of Many Things
2/day: Mass Cure Wounds (cast at 8th level)
1/day each: Blade Barrier, Divination, Greater RestorationThe medusa can take 3 legendary actions, choosing from the options below. It can take only one
until the creature is freed by the Greater Restoration spell or other magic.
A creature can use its reaction, if available, to shut its eyes to avoid the saving throw. If the creature does so, it has the blinded condition until the end of its next turn.
Monsters
Princes of the Apocalypse
be knocked prone, in addition to the normal damage for contact with molten rock.
A thick cloud of black smoke and burning embers fills a 40-foot-radius sphere within 120 feet of Imix, lasting until
":"roll","rollAction":"Destruction Chance"} that any container of fluid held or carried by an affected creature (for example, a magic potion) is destroyed.
Regional Effects
The region containing an
Adult Deep Dragon
Legacy
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Monsters
Fizban's Treasury of Dragons
creature within 30 feet of it that it can see. The target must succeed on a DC 16 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no
creatures are within reach, or the target can’t take a reaction, it takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic"} psychic
Compendium
- Sources->Dungeons & Dragons->Uni and the Hunt for the Lost Horn
Shield Level 1 Abjuration (Sorcerer, Wizard) Casting Time: Reaction, which you take when you are hit by an attack roll or targeted by the Magic Missile spell
Range: Self
Components: V, S
Duration: 1 round
An imperceptible barrier of magical force protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from Magic Missile.
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
Shield 1st-level abjuration Casting Time: 1 reaction, which you take when you are hit by an attack or targeted by the magic missile spell Range: Self Components: V, S Duration: 1 round An invisible
barrier of magical force appears and protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from magic missile.
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
Shield 1st-level abjuration Casting Time: 1 reaction, which you take when you are hit by an attack or targeted by the magic missile spell Range: Self Components: V, S Duration: 1 round An invisible
barrier of magical force appears and protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from magic missile.
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
Shield Level 1 Abjuration (Sorcerer, Wizard) Casting Time: Reaction, which you take when you are hit by an attack roll or targeted by the Magic Missile spell
Range: Self
Components: V, S
Duration: 1 round
An imperceptible barrier of magical force protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from Magic Missile.
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
Shield Level 1 Abjuration (Sorcerer, Wizard) Casting Time: Reaction, which you take when you are hit by an attack roll or targeted by the Magic Missile spell
Range: Self
Components: V, S
Duration: 1 round
An imperceptible barrier of magical force protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from Magic Missile.
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
Rumors and Legends Countless legends have arisen regarding the mysterious Barrier Peaks, and those tales circulate constantly among adventurers, explorers, and bards. Rumors specific to Kwalish and
percentile dice and consult the table below to determine what the character learns. False rumors are in italics. Also see appendix F for even more potential rumors of the Barrier Peaks. Barrier Peaks
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Astral Adventurer’s Guide
container, or pick up or set down a Tiny object. Glide. When you fall at least 10 feet above the ground, you can use your reaction to extend your skin membranes to glide horizontally a number of feet equal
damage, you can use your reaction to roll a d6. Add your proficiency bonus to the number rolled, and reduce the damage you take by an amount equal to that total (minimum of 0 damage). You can use this
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
Oil of Slipperiness Potion, uncommon This sticky black unguent is thick and heavy in the container, but it flows quickly when poured. The oil can cover a Medium or smaller creature, along with the
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
smooth dais.
The moonlight barrier around this lunarium’s dais is trapped. When the barrier is touched, it emits a blinding flash of white light in a 30-foot radius centered on the dais. Any creature in
characters, the deathwolf attacks viciously and stops at nothing to destroy its opponents. U3: Black Lunarium Two desiccated, undead creatures, each holding a bell jar containing a black rose, stand guard
Ancient Deep Dragon
Legacy
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Monsters
Fizban's Treasury of Dragons
around a creature within 30 feet of it that it can see. The target must succeed on a DC 19 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If
no creatures are within reach, or the target can’t take a reaction, it takes 11 (2d10);{"diceNotation":"2d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
Oil of Slipperiness Potion, uncommon This sticky black unguent is thick and heavy in the container, but it flows quickly when poured. The oil can cover a Medium or smaller creature, along with the
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
Black Dragon Treasures Black dragons appreciate objects of cultural, magical, or scientific significance that originated from lost cultures. Knowing a relic they possess is coveted by others because
it presents a link to a lost past is what gives that relic its value. Black dragons also love conventional treasures such as gems (particularly opals), precious metals that don’t corrode easily, and
Compendium
- Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything
Blue 3 Fire Red 4 Force White 5 Lightning Yellow 6 Necrotic Black 7 Poison Violet 8 Psychic Silver 9 Radiant Gold 10 Thunder Orange Damage Absorption. When you take damage of the chosen type, you
can use your reaction to gain immunity against that instance of the damage, and you regain a number of hit points equal to half the damage you would have taken. Once this reaction is used, it can’t be used again until the next dawn.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
fills this dark cave, and various oozes slither across the walls and floor. Some sort of fungal wall or partition once divided the cave, but that barrier has been destroyed. Beyond it lies more
west wall. Dozens of ooze creatures — black puddings, gray oozes, and ochre jellies — inhabit this cavern. However, they don’t attack intruders unless they are harmed or commanded to do so by the
Magic Items
Lost Laboratory of Kwalish
Powered armor resembles a suit of unusual plate armor, with finely articulated joints connected by an oily, black, leather-like material. The armor has been worked to create the appearance of a
magic that generates a conduit something like an astral silver cord. While so connected, a willing ally can give up hit points as a reaction to fuel the armor’s abilities.
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
on the floor, curled around the fireplace. Before you have time for further assessment, however, a half-dozen black-cloaked figures move to attack you.
The six cult fanatics in this room move in as
seconds to activate, so characters standing in the circle won’t be able to move away unless they have the ability to move as a reaction. The cultists select area 10 as the adventurers’ destination
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
on the floor, curled around the fireplace. Before you have time for further assessment, however, a half-dozen black-cloaked figures move to attack you.
The six cult fanatics in this room move in as
seconds to activate, so characters standing in the circle won’t be able to move away unless they have the ability to move as a reaction. The cultists select the shrine level as the adventurers
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
. Manipulating a container or other item without knowing what’s inside or what it does (or without knowing the proper password or technique) is likely to be very dangerous. At best, whatever was held in a
container merely escapes or dissipates. At worst, just about anything can happen, none of it good. A hag always has some potion or amulet that puts the odds in her favor. If you’re lucky, she only wants to






