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Returning 35 results for 'device monster action'.
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Spells
Player’s Handbook
You can cast this spell only at night. Choose up to three corpses of Medium or Small Humanoids within range. Each one becomes a Ghoul under your control (see the Monster Manual for its stat block
).
As a Bonus Action on each of your turns, you can mentally command any creature you animated with this spell if the creature is within 120 feet of you (if you control multiple creatures, you can
Monsters
Monster Manual
with spell attacks):
At Will: Detect Magic, Hold Monster, Ice Knife, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit
Points required to maintain the spell) 1/Day Each: Ice Storm (level 5 version), Zone of TruthLegendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dragon can expend a
Monsters
Monster Manual
uses Spellcasting to cast Hold Monster. The dragon can’t take this action again until the start of its next turn.
Cold Gale. Dexterity Saving Throw: DC 23, each creature in a 60-foot-long, 10
":"Spellcasting"} to hit with spell attacks):
At Will: Detect Magic, Hold Monster, Ice Knife (level 2 version), Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and
Monsters
Monster Manual
Siege Monster. The treant deals double damage to objects and structures.Multiattack. The treant makes two Slam attacks.
Slam. Melee Attack Roll: +10;{"diceNotation":"1d20+10", "rollType":"to hit
Intelligence and Charisma scores of 1, it can’t speak, and it lacks this action. The tree takes its turn immediately after the treant on the same Initiative count, and it obeys the treant. A
Magic Items
Dungeon Master’s Guide
When you take a Magic action to read this scroll, a particular titan named in the scroll appears in an unoccupied space on the ground or in water that you can see within 1 mile of yourself. The DM
picks a suitable titan or determines it randomly by rolling on the table below (see the Monster Manual for the creature’s stat block).
The titan is Hostile toward all other creatures and
Monsters
Monster Manual
Advantage on saving throws against spells and other magical effects.
Siege Monster. The colossus deals double damage to objects and structures.Multiattack. The colossus makes three attacks, using Slam or
carrying.Legendary Action Uses: 3. Immediately after another creature’s turn, the colossus can expend a use to take one of the following actions. The colossus regains all expended uses at the start of each of
Magic Items
Dungeon Master’s Guide
This gem contains a mote of elemental energy. When you take a Utilize action to break the gem, an elemental is summoned (see the Monster Manual for its stat block), and the gem ceases to be magical
. The elemental disappears after 1 hour, when it dies, or when you dismiss it as a Bonus Action. The type of gem determines the elemental, as shown in the following table.
Gem
Summoned
Magic Items
Dungeon Master’s Guide
This bag made from gray, rust, or tan cloth appears empty. Reaching inside the bag, however, reveals the presence of a small, fuzzy object.
You can take a Magic action to pull the fuzzy object from
the bag and throw it up to 20 feet. When the object lands, it transforms into a creature you determine by rolling on the table that corresponds to the bag’s color. See the Monster Manual for the
Monsters
Monster Manual
Amphibious. The kraken can breathe air and water.
Legendary Resistance (4/Day, or 5/Day in Lair). If the kraken fails a saving throw, it can choose to succeed instead.
Siege Monster. The kraken
swallowed creature no longer has the Restrained condition and can escape from the corpse using 15 feet of movement, exiting Prone.Legendary Action Uses: 3 (4 in Lair). Immediately after another
Monsters
Monster Manual
":"Reflective Carapace"}. On a 1–5, the tarrasque is unaffected. On a 6, the tarrasque is unaffected and reflects the spell, turning the caster into the target.
Siege Monster. The tarrasque deals
: Half damage only.Legendary Action Uses: 3. Immediately after another creature’s turn, the tarrasque can expend a use to take one of the following actions. The tarrasque regains all expended uses
Monsters
Monster Manual
). If the cataclysm fails a saving throw, it can choose to succeed instead.
Siege Monster. The cataclysm deals double damage to objects and structures.Multiattack. The cataclysm makes two Elemental Burst
target has the Restrained condition, has Total Cover, and is suffocating. As an action, a buried creature or another creature within 5 feet of it can make a DC 18 Strength (Athletics) check. On a
Spells
Player’s Handbook
agree that it has a high likelihood of happening within the next decade. The trigger must be an observable action, such as someone making a particular offering at the temple of your god, saving your
true love, or defeating a specific monster.
A Dispel Magic spell can end the spell only if it is cast with a level 9 spell slot, targeting either the prison or the component used to create it.
Magic Items
Dungeon Master’s Guide
magic of the deck functions only if its cards are drawn at random. You can take a Magic action to draw a card at random from the deck and throw it to the ground at a point within 30 feet of yourself. An
real creature of its kind, except that it can do no harm. While you are within 120 feet of the illusory creature and can see it, you can take a Magic action to move it anywhere within 30 feet of its
Magic Items
Dungeon Master’s Guide
must expend to cast the spell.
Spell
Charge Cost
Cone of Cold
5
Fireball (level 5 version)
5
Globe of Invulnerability
6
Hold Monster
5
Levitate
2
Lightning
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
Magic Items
Dungeon Master’s Guide
While holding this brass-stoppered iron flask, you can take a Magic action to target a creature that you can see within 60 feet of yourself. If the flask is empty and the target is native to a plane
breathe, eat, or drink.
You can take a Magic action to remove the flask’s stopper and release the creature in the flask. The creature then obeys your commands for 1 hour, understanding those
Magic Items
Dungeon Master’s Guide
3d6 Psychic damage. On a failed save, the wielder is dominated by the sword, as if by the Dominate Monster spell, and the sword demands blood. The spell effect ends when the sword’s demand is met
Initiative rolls.
Blade of Defense. When you take an action to attack with the sword, you can transfer some or all of its attack bonus to your Armor Class instead. The adjusted bonuses remain in
Magic Items
Dungeon Master’s Guide
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
on Initiative rolls.
Necrotic Reduction. As a Magic action, you can target one creature you can see within 5 feet of yourself. The target makes a DC 18 Constitution saving throw, taking 7d6 Necrotic
Magic Items
Dungeon Master’s Guide
attuned to the book, you can cast the following spells (save DC 18) from it:
Animate Dead
Circle of Death
Dominate Monster
Finger of Death
Once you use the book to cast a spell, you can’t
person, you can take a Magic action to recite words from its pages in a foul, dead language. Each time you do so, you take 1d12 Psychic damage, and each creature within 15 feet of you takes 3d6 Psychic
Equipment
the device gives the device 3 charges.
As an action while holding this device, you can expend 1 of its charges to cause one of the following effects:
Control. One Construct of your choice within 60
turns, ending the effect on itself on a success.
Replacing the Energy Cell. While the device has charges remaining, its energy cell can’t be removed. Once the device has 0 charges, you can replace the energy cell with a new cell by using an action or a bonus action.
Monsters
Icewind Dale: Rime of the Frostmaiden
: detect thoughts, levitate
1/day each: dominate monster, plane shift (self only)
Magic Resistance. The ceremorph has advantage on saving throws against spells and other magical effects.Tentacles. Melee
of each of its turns, ending the effect on itself on a success.Mind flayers, which are described in the Monster Manual, are created through ceremorphosis, a process that begins with the implantation
Magic Items
Planescape: Adventures in the Multiverse
This skull-shaped device is filled with knowledge. The device weighs 5 pounds and is covered with subtle etchings of planar sigils.
As a bonus action, you can toss the device into the air, whereupon
it floats at a distance of 1d3 feet from you and you can access its properties. While the mimir is floating, a creature other than you can use an action to grasp or net the device, either by making a
Equipment
action to speak into the device’s mouthpiece and send a short message of twenty-five words or less to another creature wearing the matched fargab while it is within 18 miles of you. The message
emits from the speakers of the device and can be heard up to 10 feet away from the device. If no creature is wearing the fargab, the speakers make static noises instead.
Magic Items
Icewind Dale: Rime of the Frostmaiden
of existence as the Ythryn mythallar, you can use an action to cause it to fly in any direction you choose at a speed of 30 feet. All matter within 500 feet of the device moves with it. The Ythryn
hold. The largest mythallars are 150 feet in diameter.
The Ythryn mythallar is a relatively small device—a mere 50 feet in diameter. To attune to this mythallar, a creature must finish a short
Magic Items
Legendary Magic Items
Resembling a small dragon’s horn, this arcane device glows with a hellish internal light when held. As an action while holding this horn, you can invoke a necromantic effect called the
(including you) that has 9 or fewer hit points when it ends its turn in the cloud is slain by the Beckoning Death. A Humanoid killed in this way instantly transforms into a zombie (see the Monster Manual
Magic Items
Acquisitions Incorporated
that language while attuned to the device.
Time Bandit. At the start of your turn, roll a d6 (no action required). On a 1–3, you slow down time, gaining an additional action on your turn and
While attuned to this device, you have a +1 bonus to Intelligence saving throws. The first time you attune to the chronolometer, you choose one language you don’t know. You subsequently know
Backgrounds
Spelljammer: Adventures in Space
described in the Monster Manual.
Close Encounter
d10
Creature
1
Beholder
2
Cosmic horror*
3
Feyr*
4
Lunar dragon*
5
Mind flayer
6
Neh-thalggu
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
Spells
Xanathar's Guide to Everything
zombie or a skeleton (the statistics for zombies and skeletons are in the Monster Manual), and it gains a bonus to its attack and damage rolls equal to your spellcasting ability modifier.
You can
use a bonus action to mentally command the creatures you make with this spell, issuing the same command to all of them. To receive the command, a creature must be within 60 feet of you. You decide
Magic Items
Icewind Dale: Rime of the Frostmaiden
Using an action to read the scroll causes the tarrasque (see the creature’s entry in the Monster Manual) to appear in an unoccupied space you can see within 1 mile of you. The tarrasque disappears when it drops to 0 hit points and is hostile toward all creatures other than itself.
Magic Items
Acquisitions Incorporated
Also at rank 2, you gain the use of an uncommon magic item taking the form of a pair of spectacles, a spyglass, a monocle, or any other device with one or two lenses. When you look through the
obviator’s lenses, you use a bonus action to make them function as eyes of minute seeing or eyes of the eagle. Once you make this choice, it cannot be changed until the next dawn.
Enhanced Lenses
At
Magic Items
Acquisitions Incorporated
While attuned to this device, you have a +1 bonus to Wisdom saving throws, and you can use an action to cast the dancing lights, guidance, or message cantrips.
Portent of the Stars. As a reaction
roll. Once you use this feature of the wheel of stars, it cannot be used again until the next dawn.
Alter Gravity. As an action, you can cast fly on yourself or you can cast levitate (save DC 15). Once
Spells
Xanathar's Guide to Everything
wolf, a rhinoceros, or a saber-toothed tiger. The creature has the statistics provided in the Monster Manual for the chosen form, though it is a celestial, a fey, or a fiend (your choice) instead of its
the mount.
The mount disappears temporarily when it drops to 0 hit points or when you dismiss it as an action. Casting this spell again re-summons the bonded mount, with all its hit points restored
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Infernal Tack. The narzugon wears spurs that are part of infernal tack, which allow it to summon its nightmare companion as an action.
Magic Resistance. The narzugon has advantage on saving throws
creature with a soul, the soul rises from the River Styx as a lemure (see the Monster Manual) in Avernus in 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Hellfire Lance"} hours. If the
Magic Items
Bigby Presents: Glory of the Giants
of Horizon’s Edge. The portal is two-way and remains open for 10 minutes or until a creature uses an action to change the puzzle’s configuration. Puzzle cubes don’t function while on
Horizon’s Edge, but a device somewhere in the demiplane allows a cube to function in reverse while the cube is fitted into it.
Monsters
Guildmasters’ Guide to Ravnica
Aggressive. As a bonus action, the anarch can move up to its speed toward a hostile creature it can see.
Siege Monster. The anarch deals double damage to objects and structures.Spiked Club. Melee
Monsters
Mordenkainen Presents: Monsters of the Multiverse
, requiring no material components and using Intelligence as the spellcasting ability (spell save DC 19):
At will: command
3/day: dominate monster
1/day: feeblemindInstinctive Charm. When a creature
River Styx from fortresses along the river’s blighted banks, where it flows through Dis and Stygia. They collect the souls arriving in the form of lemure;lemures (see the Monster Manual). Lemures