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Returning 35 results for 'prevent action and his course'.
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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.
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
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
You give a verbal command to a creature that you can see within range, ordering it to carry out some service or refrain from an action or a course of activity as you decide. The target must succeed
Spells
Player’s Handbook
cast the spell can enter the extradimensional dwelling as long as the door remains open. You can open or close it (no action required) if you are within 30 feet of it. While closed, the door is
can’t exceed 50 contiguous 10-foot Cube;Cubes. The place is furnished and decorated as you choose. It contains sufficient food to serve a nine-course banquet for up to 100 people. Furnishings
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
Clairvoyance
2
Crown of Madness
1
Disintegrate
4
Dominate Monster
5
Eyebite
4
X-ray Vision. You can take a Magic action to gain X-ray vision with a range of 30 feet for 1
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
separated water forms a wall to either side. The trench remains until the spell ends or you choose a different effect. The water then slowly fills in the trench over the course of the next round until
Magic Items
Acquisitions Incorporated
the user toward a specific course of action. The creature flipping the coin can detect your manipulation with a successful DC 13 Wisdom (Insight) check.
Better Odds
When you reach rank 3, your
pondering a specific plan or objective, noting both random results. If you succeed on a DC 15 Intelligence (Arcana) check, you learn which of the two results is more applicable to the course of action. This property of the coin can’t be used again until the next dawn.
Monsters
Mordenkainen Presents: Monsters of the Multiverse
waterThe grim captains of the ferries on the River Styx, merrenoloths can navigate safely through the worst storms and always stay on course. Wielding fiery oars, merrenoloths strike fear into anyone
take the same lair action two rounds in a row:
Gale. The air within 60 feet of the vessel is filled with wind. Until initiative count 20 on the next round, that area is difficult terrain, and when a
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
Magic Items
Wayfinder's Guide to Eberron
This is a sturdy leather sack with tiny Siberys shards embedded into the lining. If you have the Mark of Hospitality you can use an action to cast create food and water, drawing a feast from within
Modest
10
Comfortable
13
Wealthy
15
Aristocratic
18
A bag of bounty can be used up to three times over the course of a day. After that, the bag can’t be used again until the next dawn.
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.
Backgrounds
Spelljammer: Adventures in Space
provided by magic) has disadvantage on the attack roll unless the weapon deals piercing damage.
Movement. A creature can use an action to push off something heavier than itself and move up to its walking
, flying, or swimming speed in a straight line. The creature continues along this course, moving in a straight line at its speed on each of its turns until something stops it or changes its trajectory.
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
Planescape: Adventures in the Multiverse
moving through its front. Anything that does so is transported to the destination, appearing in the unoccupied space nearest to the portal. Deities and other planar rulers can prevent portals created
dragon can take one of the following lair actions; the ancient or adult dragon can’t take the same lair action two rounds in a row:
Temporal Fling. The dragon attempts to fling a creature it can see
Monsters
Quests from the Infinite Staircase
Tree Shape (2/Day). Over the course of 1 minute, Derwyth can magically transform into a Huge or smaller tree and remain in that form for 24 hours or until she ends this transformation early (no
action required). Her equipment melds into her new form. While in this form, her Armor Class is 16, she has the incapacitated condition, and she can’t move or speak.
Spellcasting. Derwyth is a 4th
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
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-forming in
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
Van Richten’s Guide to Ravenloft
dismisses it (no action required).
Unusual Nature. The podling doesn’t require sleep.Slam. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType":"to hit","rollAction":"Slam"} to hit, reach 5
comatose. Over the course of hours, the creature is dissolved and its body repurposed into a podling duplicate.
Podlings are near-perfect mimics of the creatures they replace. Despite having the
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
Strixhaven: A Curriculum of Chaos
for 1 minute or until the professor uses this action again. The barrier can be a vertical or horizontal plane up to 30 feet on a side or a 10-foot-radius hemispherical dome with a floor. The wall
magic.
Lorehold Scholars
The archaeomancers of Lorehold College draw their magical might from the flow of time and fate and the way those forces shape the course of history. Scholars of this broad
Monsters
Bigby Presents: Glory of the Giants
prone condition, the cat can make a Bite attack against it as a bonus action.
Fade Away. The grinning cat magically becomes invisible for 1 hour or until it attacks, gradually fading away over the
course of its turn. It can choose to leave part of its body visible, such as its tail, its head, or its grinning mouth. Any equipment the cat wears or carries is invisible with it.Grinning cats are
Monsters
Tales from the Yawning Portal
repeat the saving throw when it is at least 1 mile away from the aboleth.The aboleth can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time
, an aboleth can invoke the ambient magic to take lair actions. On initiative count 20 (losing initiative ties), the aboleth takes a lair action to cause one of the following effects:
The aboleth
Monsters
Waterdeep: Dragon Heist
Cunning Action. On each of her turns, the Black Viper can use a bonus action to take the Dash, Disengage, or Hide action.
Evasion. If the Black Viper is subjected to an effect that allows her to make
. When she throws back her cloak to reveal the costume she has put together, most folk toss their purses and flee. If that doesn't work, she usually needs only to draw her dagger. Of course, some of the
Monsters
Strixhaven: A Curriculum of Chaos
other phenomena that would prevent sight.Multiattack. Murgaxor makes two Blood Lash attacks.
Blood Lash. Melee Spell Attack: +9;{"diceNotation":"1d20+9", "rollType":"to hit", "rollAction":"Blood Lash
use that action again until he finishes a long rest:
Clay Behemoth. A clay golem erupts from the floor in an unoccupied space within 15 feet of the ritual circle. The golem obeys Murgaxor's commands
Monsters
Van Richten’s Guide to Ravenloft
advantage on attack rolls against it.
A creature can use its action to try to detach the carrion stalker and force it to move into the nearest unoccupied space, doing so with a successful DC 11 Strength
kills the larvae.A carrion stalker begins life as a pale larva that infests a corpse. Over the course of weeks, this grub burrows, feeds, and grows, ultimately developing into a chitinous mass of pincers
Monsters
Guildmasters’ Guide to Ravnica
Mount. If the specter isn’t mounted, it can use a bonus action to magically teleport onto its gloamwing mount, provided the specter and the gloamwing are on the same plane of existence. When it
specter survives, it can create a new gloamwing over the course of a month, during which time the specter is incapacitated.
A gloamwing’s head is almost ratlike, with prominent teeth, and its
Monsters
Planescape: Adventures in the Multiverse
lair actions; the ancient or adult dragon can’t take the same lair action two rounds in a row:
Temporal Fling. The dragon attempts to fling a creature it can see within 60 feet of itself forward
action on its turn, not both. The creature also can’t take a reaction or a bonus action.
Timeline Divergence. The dragon chooses a space it can fit into within its lair. The dragon exists
Monsters
The Book of Many Things
":"radiant"} radiant damage. If the target is a creature, it must succeed on a DC 22 Charisma saving throw, or on its next turn, it can either move or take an action, but not both.
Revelation. The veiled
presence halves the attack’s damage against it.The veiled presence can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only
Backgrounds
Sword Coast Adventurer's Guide
hook, sending you on quests to learn more about its history or true nature, or confronting you with foes who want to claim it for themselves or prevent you from learning what you seek. The DM also
the most equitable solution to arguments.
5
I’m confident in my own abilities and do what I can to instill confidence in others.
6
Thinking is for other people. I prefer action
Monsters
Fizban's Treasury of Dragons
damage.The greatwyrm 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’s turn. The
apotheosis, reaching a level of power approaching that of Tiamat’s mighty aspect. The competitive avarice of dragonkind and the interference of adventurers prevent most dragons from attaining
Monsters
The Wild Beyond the Witchlight
them from taking certain courses of action in their lives. Her petitioners often learn of a dreadful fate that awaits them but find themselves unable to prevent it due to the cursed terms of their
within 30 feet of one another, any one of them can use an action to cast one of the following spells, requiring no material components (spell save DC 14): detect thoughts, dispel magic, finger of death
Monsters
Strixhaven: A Curriculum of Chaos
. The titan teleports to an unoccupied space it can see within 120 feet of itself.The titan can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a
the titan doesn’t heal.Daemogoth titans are towering monsters that blight the land around them. A daemogoth grows in power over the course of decades spent feeding on sorrow and draining life from