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Returning 35 results for 'barrier block diffusing chance reaction'.
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Spells
Player’s Handbook
planes of existence, but if the target is on a different plane than you, there is a 5 percent chance that the message doesn’t arrive. You know if the delivery fails.
Upon receiving your message
, a creature can block your ability to reach it again with this spell for 8 hours. If you try to send another message during that time, you learn that you are blocked, and the spell fails.
Magic Items
Dungeon Master’s Guide
.
Spell Absorption. While holding the staff , you have Advantage on saving throws against spells. In addition, you can take a Reaction when another creature casts a spell that targets only you. If
or against a solid surface. The staff is destroyed and releases its magic in an explosion that fills a 30-foot Emanation originating from itself. You have a 50 percent chance to instantly travel to a
Magic Items
Dungeon Master’s Guide
from the eye (save DC 18). The table indicates how many charges you must expend to cast the spell. Each time you cast a spell from the eye, there is a 5 percent chance that Vecna tears your soul from
3 feet of wood or dirt. Thicker substances block the vision, as does a thin sheet of lead.
Attuning to the Hand. To attune to the hand, you must press it against the stump where your left hand was
Magic Items
Dungeon Master’s Guide
until 5 days have passed.
Figurine of Wondrous Power (Ebony Fly);Ebony Fly (Rare). This ebony statuette, carved in the likeness of a horsefly, can become a Giant Fly (see the accompanying stat block
to 24 hours. The nightmare fights only to defend itself. Once it has been used, it can’t be used again until 5 days have passed.
The figurine has a 10 percent chance each time you use it to
Monsters
Strixhaven: A Curriculum of Chaos
Repelling Burst attacks. It can also use Force Barrier, if available.
Repelling Burst. Melee Spell Attack: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"Repelling Burst"} to hit
creature, it must succeed on a DC 15 Strength saving throw or be pushed up to 10 feet directly away from the professor and become restrained until the start of professor’s next turn.
Force Barrier
Monsters
Baldur’s Gate: Descent into Avernus
Aura of Invulnerability. An invisible aura forms a 10-foot-radius sphere around the hollyphant for as long as it lives. Any spell of 5th level or lower cast from outside the barrier can't affect
creatures or objects within it, even if the spell is cast using a higher level spell slot. Such a spell can target creatures and objects within the barrier, but the spell has no effect on them. Similarly
Monsters
Dragon of Icespire Peak
Martial Role. The warrior has one of the following traits of your choice:
Attacker. The warrior gains a +2 bonus to attack rolls.
Defender. The warrior gains the Protection reaction below.Longsword
it whose target isn’t the warrior. The warrior must be able to see the attacker.A sidekick is proficient with any armor, weapons, and tools included in its stat block. In addition, warriors are proficient with simple and martial weapons, shields, and all armor.
Marilith (Summoner Variant)
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Monsters
Monster Manual (2014)
reaction on every turn in a combat.Multiattack. The marilith makes seven attacks: six with its longswords and one with its tail.
Longsword. Melee Weapon Attack: +9;{"diceNotation":"1d20+9","rollType
":"1d100","rollType":"roll","rollAction":"Summon Demon"} chance of summoning 1d6;{"diceNotation":"1d6","rollType":"roll"} vrock;vrocks, 1d4;{"diceNotation":"1d4","rollType":"roll"} hezrou;hezrous, 1d3
Monsters
Quests from the Infinite Staircase
leprechaun the chance to partake in merriment or revelry such as a song, a dance, or a good meal, the leprechaun must succeed on a DC 15 Wisdom saving throw or have the charmed condition for 24 hours. While
magically gifts the target a measure of luck. The creature gains the leprechaun’s Astonishing Luck reaction. The creature can use the reaction three times, after which this gift goes away. The
Monsters
Spelljammer: Adventures in Space
themselves.
The Thri-kreen language doesn’t employ words in the usual sense. To demonstrate emotion and reaction, thri-kreen clack their mandibles and wave their antennae, indicating to other
-kreen stat block appears in the Monster Manual. This section provides a few more options.Chameleon Carapace. The thri-kreen changes the color of its carapace to match the color and texture of its
Monsters
Spelljammer: Adventures in Space
revitalize themselves.
The Thri-kreen language doesn’t employ words in the usual sense. To demonstrate emotion and reaction, thri-kreen clack their mandibles and wave their antennae
generic thri-kreen stat block appears in the Monster Manual. This section provides a few more options.Chameleon Carapace. The thri-kreen changes the color of its carapace to match the color and
Monsters
Spelljammer: Adventures in Space
demonstrate emotion and reaction, thri-kreen clack their mandibles and wave their antennae, indicating to other thri-kreen what they are thinking and feeling. Other creatures find this method of
of bone and obsidian blades, while chatkchas are usually made of sharpened bone or crystal.
A generic thri-kreen stat block appears in the Monster Manual. This section provides a few more options.Leap. The thri-kreen leaps up to 20 feet in any direction, provided its speed isn’t 0.
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
Monsters
Monstrous Compendium Vol. 4: Eldraine Creatures
the following effects of the witchkite’s choice:
The target must use its reaction to make a melee attack against another creature of the witchkite’s choice that is within the target
the mostly forgotten adventurer Osval
Dragons of Eldraine
The dragons of Eldraine, are much like those of other D&D worlds. You can use any dragon stat block for a dragon of Eldraine. On
Monsters
Bigby Presents: Glory of the Giants
action and Ice Armor reaction.
The object bearing the rune has AC 16; 40 hit points; and immunity to necrotic, poison, and psychic damage. The object regains all its hit points at the end of every turn
;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Ice Wolves"} wolves made of ice (use the winter wolf stat block in the Monster Manual to represent them, but they are Elementals instead of
Monsters
Mordenkainen Presents: Monsters of the Multiverse
armed with gleaming pistols and muskets. The stat block here represents one of those mercenaries.
Every aspect of these spacefaring giff’s society is organized along military lines. From birth
.
Every other keg of gunpowder within 20 feet of an exploding keg has a 50 percent chance of also exploding. Check each keg only once per turn, no matter how many other kegs explode around it.
Nilbog
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Monsters
Volo's Guide to Monsters
its Reversal of Fortune reaction.
Nimble Escape. The nilbog can take the Disengage or Hide action as a bonus action on each of its turns.Fool’s Scepter. Melee Weapon Attack: +4;{"diceNotation
is a chance that a goblin will become possessed by a nilbog, particularly if the goblin has been mistreated by its betters. This possession turns the goblin into a wisecracking, impish creature
Magic Items
Tasha’s Cauldron of Everything
action, you can command the servant to take one of the actions in its stat block or some other action.
When a creature provokes an opportunity attack from the servant, you can use your reaction to command
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
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
The Book of Many Things
statistics are the same in each form except where noted in this stat block. Any equipment she is wearing or carrying isn’t transformed. Euryale reverts to her medusa form if she dies.
Petrifying
lasts 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
Mordenkainen Presents: Monsters of the Multiverse
a chance that a goblin will become possessed by a nilbog, particularly if the goblins have been mistreated by their betters. The possessed goblin turns into a wisecracking, impish creature fearless
. While possessed, the goblin uses the nilbog stat block. If the save succeeds, the spirit can’t possess that goblin for 24 hours.
If its host is killed or the possession is ended by a spell such
Staff of the Magi
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Magic Items
Basic Rules (2014)
holding the staff, you have advantage on saving throws against spells. In addition, you can use your reaction when another creature casts a spell that targets only you. If you do, the staff absorbs the
explosion that expands to fill a 30-foot-radius sphere centered on it.
You have a 50 percent chance to instantly travel to a random plane of existence, avoiding the explosion. If you fail to avoid
Monsters
Mordenkainen Presents: Monsters of the Multiverse
its action, reaction, and movement.
Spellcasting. Demogorgon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 23
hitting him with an attack), there is a 50 percent chance that the illusory duplicate is affected, not Demogorgon, in which case the illusion disappears.
Regional Effects
The region containing Demogorgon
Monsters
Bigby Presents: Glory of the Giants
Thunderous Clap action and Negate Spell reaction.
The mask bearing the cloud rune has AC 15; 45 hit points; and immunity to necrotic, poison, and psychic damage. The mask regains all its hit points at
games of chance and wit. A destiny gambler is a cloud giant who has won increasingly high-stakes wagers against other giants, smaller folk, and even beings from the Outer Planes.
Destiny gamblers wear
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
nearby upward-sloping passages, raised floors, or rising stairs to contain the water 15 Lava flows through the area (50 percent chance of a stone bridge crossing it) 16 Overgrown mushrooms block
Random Obstacles Obstacles block progress through the dungeon. In some cases, what adventurers consider an obstacle is an easy path for the dungeon’s inhabitants. For example, a flooded chamber is a
Monsters
Mordenkainen Presents: Monsters of the Multiverse
innumerable times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to
(Recharge 5–6). As a reaction when this creature takes damage, it can roll a d10 and subtract the number rolled from the damage.
Cold, Fire, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered
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
Mordenkainen Presents: Monsters of the Multiverse
times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to use this
–6). As a reaction when this creature takes damage, it can roll a d10 and subtract the number rolled from the damage.
Geryon (Variant);VARIANT: SOUND THE HORN
Geryon can have an action that
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.
Yuan-ti Pureblood
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Species
Volo's Guide to Monsters
they don’t believe they have a reasonable chance of success. This reaction isn’t out of cowardice, but practicality—yuan-ti value their own lives much too highly to risk them when the






