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Returning 35 results for 'prevent action and his chance'.
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Species
Player’s Handbook
and adventurous spirit that leads them on journeys of discovery, affording them the chance to explore a bigger world and make new friends along the way. Their size—similar to that of a human
;luck of the halflings” in action. When a halfling is in mortal danger, an unseen force seems to intervene on the halfling’s behalf. Many halflings believe in the power of luck, and they
Magic Items
Dungeon Master’s Guide
You can take a Utilize action to place these shackles on a creature that has the Incapacitated condition. The shackles adjust to fit a creature of Small to Large size. The shackles prevent a creature
bound by them from using any method of extradimensional movement, including teleportation or travel to a different plane of existence. They don’t prevent the creature from passing through an
Magic Items
Dungeon Master’s Guide
telepathically communicate with you only if you allow it.
You can take a Magic action to cause the ring to become imperceptible until you take another Magic action to make it perceptible, until you
in the ring, you can telepathically communicate with any creature wearing it. A wearer can’t prevent this telepathic communication.
Magic Items
Dungeon Master’s Guide
While wearing this ring, you can take a Magic action to gain X-ray vision with a range of 30 feet for 1 minute. To you, solid objects within that radius appear transparent and don’t prevent
Spells
Player’s Handbook
, and it can make only one attack if it takes the Attack action. If it casts a spell with a Somatic component, there is a 25 percent chance the spell fails as a result of the target making the spell
target’s Speed is halved, it takes a −2 penalty to AC and Dexterity saving throws, and it can’t take Reactions. On its turns, it can take either an action or a Bonus Action, not both
Spells
Player’s Handbook
You receive an omen from an otherworldly entity about the results of a course of action that you plan to take within the next 30 minutes. The DM chooses the omen from the Omens table.
Omens
as other spells, that might change the results.
If you cast the spell more than once before finishing a Long Rest, there is a cumulative 25 percent chance for each casting after the first that you get no answer.
Spells
Player’s Handbook
wildly and has a 50 percent chance to extinguish them.
As a Bonus Action on your later turns, you can change the direction in which the Line blasts from you.
Magic Items
Dungeon Master’s Guide
Vecna the Archlich;Vecna was a mighty wizard who, through magic and conquest, forged a terrible empire. For all his power, however, Vecna feared death and took steps to prevent his demise by becoming
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
Magic Items
Dungeon Master’s Guide
You can take a Magic action to blow the horn, which emits a thunderous blast in a 30-foot Cone that is audible out to 600 feet. Each creature in the Cone makes a DC 15 Constitution saving throw. On a
that aren’t being worn or carried take 10d8 Thunder damage.
Each use of the horn’s magic has a 20 percent chance of causing the horn to explode. The explosion deals 10d6 Force damage to the user and destroys the horn.
Magic Items
Dungeon Master’s Guide
someone reaches inside it, there is a 50 percent chance that the creature is pulled inside the bag. A creature inside the bag can take an action to try to escape, doing so with a successful DC 15
Strength (Athletics) check. Another creature can take an action to reach into the bag to pull a creature out, doing so with a successful DC 20 Strength (Athletics) check, provided the puller isn’t
Spells
Player’s Handbook
feet of nonliving material (3 feet by 2 feet by 2 feet).
While the chest remains on the Ethereal Plane, you can take a Magic action and touch the replica to recall the chest. It appears in an
unoccupied space on the ground within 5 feet of you. You can send the chest back to the Ethereal Plane by taking a Magic action to touch the chest and the replica.
After 60 days, there is a cumulative 5
Magic Items
Dungeon Master’s Guide
can take a Magic action to break the staff over your knee 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 random plane of existence, avoiding the explosion. If you fail to avoid the effect, you take Force damage equal to 16 times the number of
Magic Items
Dungeon Master’s Guide
expended charges daily at dawn. If you expend the last charge, roll 1d20. On a 20, the staff regains 1d12 + 1 charges.
Retributive Strike. You can take a Magic action to break the staff over your knee
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
Spells
Player’s Handbook
consequences for a whole community, region, or world, you are likely to attract powerful foes. If your wish would affect a god, the god’s divine servants might instantly intervene to prevent it or to
for 2d4 days. For each of those days that you spend resting and doing nothing more than light activity, your remaining recovery time decreases by 2 days. Finally, there is a 33 percent chance that you are unable to cast Wish ever again if you suffer this stress.
Spells
Player’s Handbook
Until the spell ends, you control any water inside an area you choose that is a Cube up to 100 feet on a side, using one of the following effects. As a Magic action on your later turns, you can
Huge or smaller vehicles struck by the wave have a 25 percent chance of capsizing.
The water level remains elevated until the spell ends or you choose a different effect. If this effect produced a wave
Magic Items
Dungeon Master’s Guide
Magic action to touch the axe to a fixed piece of dwarven stonework and cast Teleport from the axe. If your intended destination is underground, there is no chance of a mishap or arriving somewhere
, you can take a Magic action to summon an Earth Elemental. It appears in an unoccupied space you choose within 30 feet of yourself, understands your languages, obeys your commands, and takes its turn
Magic Items
Dungeon Master’s Guide
A Figurine of Wondrous Power is a statuette small enough to fit in a pocket. If you take a Magic action to throw the figurine to a point on the ground within 60 feet of yourself, the figurine becomes
duration, the creature reverts to its figurine form. It reverts to a figurine early if its creature form drops to 0 Hit Points or if you take a Magic action while touching the creature to make it revert to
Monsters
Mordenkainen Presents: Monsters of the Multiverse
creature takes an action to shake it.
Spellcasting. The drow casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 13):
At
moment they attack—and then they are the last thing their victims see.
A shadowblade gains their powers over shadow via a ritual in which they kill a shadow demon and mystically prevent it from re
Monsters
Mordenkainen Presents: Monsters of the Multiverse
creature takes an action to shake it.
Spellcasting. The drow casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 13):
At
chance of success. If the attempt fails, the drow takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction":"Summon Shadow Demon", "rollDamageType":"psychic"} psychic damage. Otherwise
Monsters
Out of the Abyss
. Moreover, on each of its turns, it can take either an action or a bonus action, but not both. At the end of each of its turns, it can repeat the saving throw, ending the effect on itself on a success
.
Summon Demon (1/Day). Quenthel attempts to magically summon a yochlol with a 30 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Summon Demon Chance"} chance of success. If the attempt
Spells
Elemental Evil Player's Companion
feet. If you are still flying when the spell ends, you fall, unless you can somehow prevent it.
You can use your action to create a 15-foot cube of swirling wind centered on a point you can see
Monsters
Waterdeep: Dungeon of the Mad Mage
options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The mummy lord regains spent legendary actions at the start of its turn.
Attack. The
takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row.
Each undead creature in the lair can pinpoint the location of each
Magic Items
The Book of Many Things
reaction to prevent the roll from being affected by advantage or disadvantage.
Expunge Imbalance. As a bonus action, you can expend 2 charges to cast the Lesser Restoration spell from the armor.
The armor regains 1d4 expended charges daily at dawn.
Magic Items
Waterdeep: Dungeon of the Mad Mage
While worn, the helm allows its wearer to use an action to cast the levitate spell, requiring no components. The helm's propeller spins and whirs loudly until the spell ends. Each time the spell ends, there is a 50 percent chance that the helm loses its magic and becomes nonmagical.
Monsters
Tyranny of Dragons
legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Diderius regains spent legendary actions at
encountered in its lair has a challenge rating of 16 (15,000 XP).
Lair Actions
On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects
Monsters
Candlekeep Mysteries
. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Valin regains spent legendary actions at the start of her turn.
Attack. Valin makes one
made for me. It has come to me. It is part of me.”
Flaw. “Each future that allows a chance for my failure to occur must be tracked, must be focused on, and must be destroyed.”Valin
Monsters
Candlekeep Mysteries
quasit, or attempts to summon a shadow demon with a 50 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Summon Demon"} chance of success. The summoned demon appears in an unoccupied space
within 60 feet of its summoner, acts as an ally of its summoner, and can’t summon other demons. It remains for 10 minutes, until it or its summoner dies, or until its summoner dismisses it as an action.
Monsters
Phandelver and Below: The Shattered Obelisk
chance to mutate into what is known as an encephalon cluster—a ravenous, slimy, psionic, brain-shaped mass that spawns horrors called encephalon gemmules.PsychicLeech. The gemmule targets one
’t use Leech again until it detaches. It can detach itself by spending 5 feet of its movement. As an action, the target or a creature within 5 feet of the target can detach the gemmule by succeeding on a DC 15 Strength check.
Monsters
Dragonlance: Shadow of the Dragon Queen
features, or proficiencies.
The possession lasts until the body drops to 0 hit points, Leedara ends it as a bonus action, or Leedara is turned or forced out by an effect like the dispel evil and good spell
transformation ends if Leedara is reduced to 0 hit points or uses an action to end it.Leedara died during the Cataclysm over three hundred years ago. Once an elven priest, Leedara witnessed her companion and
Monsters
Princes of the Apocalypse
of Imix, and disappear if Imix is reduced to 0 hit points.Imix can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end
another creature takes an action to douse the flames. On a successful save, the target takes half as much damage and doesn’t catch fire.Imix’s Lair
Imix’s home is a fiery inverted pyramid
Monsters
Princes of the Apocalypse
pale and cloudy, and he loses the Air Form trait. He can remain in polymorphed form for up to 1 hour. Reverting to his true form requires an action.
Summon Elementals (1/Day). Yan-C-Bin summons up
is reduced to 0 hit points.Yan-C-Bin can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature
Magic Items
Storm King's Thunder
This item is an ordinary, albeit rather large, conch shell that has been inscribed with the uvar rune. The conch measures 2½ feet long and weighs 20 pounds.
As an action, you can cast the
teleport spell by blowing into the shell. The destination is fixed, and there is no chance of either a mishap or the spell being off target. Anyone teleported by the conch appears in a specific location
Monsters
Strixhaven: A Curriculum of Chaos
, invisibility, or any other phenomena that would prevent sight.Multiattack. Y’demi makes two Blood Lash attacks.
Blood Lash. Melee Spell Attack: +9;{"diceNotation":"1d20+9", "rollType":"to hit
","rollType":"damage","rollAction":"Sanguine Tentacles","rollDamageType":"bludgeoning"} bludgeoning damage. A creature restrained by the tentacles can use its action to make either a DC 13 Strength
Monsters
Mordenkainen Presents: Monsters of the Multiverse
drinks the foul water as an action, it gains 11 (2d10);{"diceNotation":"2d10", "rollType":"roll", "rollAction":"Corrupt Water"} temporary hit points.
Magic Resistance. The wastrilith has advantage on
, responds to the wastrilith’s commands—perhaps hardening to prevent foes from escaping or erupting in a surge that drags victims into its reach.
Creatures that ingest water corrupted by a
Monsters
Mordenkainen Presents: Monsters of the Multiverse
.
Variant: Demon Summoning
Drow Inquisitor (Summoner Variant);Variant: Demon Summoning
Some drow inquisitors have an action that allows them to summon a yochlol.
Summon Demon (1/Day). The drow
attempts to magically summon a yochlol (see the Monster Manual), with a 50 percent chance of success. If the attempt fails, the drow takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage