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Returning 35 results for 'must study with only action for for lasts'.
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
Study [Action] When you take the Study action, you make an Intelligence check to study your memory, a book, a clue, or another source of knowledge and call to mind an important piece of information
Compendium
- Sources->Dungeons & Dragons->Uni and the Hunt for the Lost Horn
Study [Action] When you take the Study action, you make an Intelligence check to study your memory, a book, a clue, or another source of knowledge and call to mind an important piece of information
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
Study [Action] When you take the Study action, you make an Intelligence check to study your memory, a book, a clue, or another source of knowledge and call to mind an important piece of information
Monsters
Monster Manual
":"Psychic"} Psychic damage, and the target is cursed with a riddle. The cursed target has Disadvantage on ability checks and attack rolls. In addition, if it takes the Magic action, it must succeed on a DC
15 Intelligence saving throw or that action is wasted. The cursed target can take a Study action to make a DC 15 Intelligence check, solving the riddle and ending the curse on a success. The curse ends
Spells
Player’s Handbook
You banish a creature that you can see within range into a labyrinthine demiplane. The target remains there for the duration or until it escapes the maze.
The target can take a Study action to try
Spells
Player’s Handbook
making it carry on a conversation, for example.
Physical interaction with the image reveals it to be an illusion, for things can pass through it. A creature that takes a Study action to examine the
You create the image of an object, a creature, or some other visible phenomenon that is no larger than a 20-foot Cube. The image appears at a spot that you can see within range and lasts for the
Spells
Player’s Handbook
creature takes a Study action to examine the sound or image, the creature can determine that it is an illusion with a successful Intelligence (Investigation) check against your spell save DC. If a creature
You create a sound or an image of an object within range that lasts for the duration. See the descriptions below for the effects of each. The illusion ends if you cast this spell again.
If a
Spells
Player’s Handbook
hat.
A creature that takes the Study action to examine a target can make an Intelligence (Investigation) check against your spell save DC. If it succeeds, it becomes aware that the target is disguised.
taller and appear heavier or lighter. A target’s new appearance must have the same basic arrangement of limbs as the target, but the extent of the illusion is otherwise up to you. The spell
Spells
Player’s Handbook
, a creature must take the Study action to inspect your appearance and succeed on an Intelligence (Investigation) check against your spell save DC.
heavier or lighter. You must adopt a form that has the same basic arrangement of limbs as you have. Otherwise, the extent of the illusion is up to you.
The changes wrought by this spell fail to hold up
Spells
Player’s Handbook
image reveals it to be illusory, since things can pass through it. A creature that takes the Study action to examine the image can determine that it is an illusion with a successful Intelligence
You create an illusory copy of yourself that lasts for the duration. The copy can appear at any location within range that you have seen before, regardless of intervening obstacles. The illusion
Spells
Player’s Handbook
.
Physical interaction with the image reveals it to be an illusion, since things can pass through it. A creature that takes a Study action to examine the image can determine that it is an illusion with a
You create the image of an object, a creature, or some other visible phenomenon that is no larger than a 15-foot Cube. The image appears at a spot within range and lasts for the duration. The image
Magic Items
Dungeon Master’s Guide
card.
Any physical interaction with the illusory creature reveals it to be false, because objects pass through it. A creature that takes a Study action to visually inspect the illusory creature
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
Magic Items
Dungeon Master’s Guide
This tiny vial contains magic perfume, enough for one use. You can take a Magic action to apply the perfume to yourself, and its effect lasts 1 hour. For the duration, you have Advantage on all Charisma (Deception and Persuasion) checks made to influence a creature within 5 feet of yourself.
Spells
Player’s Handbook
difference isn’t obvious by touch, a creature examining the illusion can take the Study action to make an Intelligence (Investigation) check against your spell save DC to disbelieve it. If a creature discerns that the terrain is illusory, the creature sees a vague image superimposed on the real terrain.
Spells
Player’s Handbook
creature that takes the Study action to examine the image can determine that it is an illusion with a successful Intelligence (Investigation) check against your spell save DC. If a creature discerns the
You create an illusion of an object, a creature, or some other visible phenomenon within range that activates when a specific trigger occurs. The illusion is imperceptible until then. It must be no
Monsters
Monster Manual
;t take Reactions; its Speed is halved; and it can take either an action or a Bonus Action on its turn, not both. This effect lasts until the end of its next turn.Acid
Equipment
must have a feature that lets you use it.
Nick. When you make the extra attack of the Light property, you can make it as part of the Attack action instead of as a Bonus Action. You can make this extra attack only once per turn.
Monsters
Monster Manual
. Constitution Saving Throw: DC 11, each creature in a 15-foot Cone. Failure: The target can’t take Reactions; its Speed is halved; and it can take either an action or a Bonus Action on its turn, not both. This effect lasts until the end of its next turn.Acid
Magic Items
Dungeon Master’s Guide
While wearing this armor, you gain a +1 bonus to Armor Class. You can also take a Bonus Action to cause the armor to assume the appearance of a normal set of clothing or some other kind of armor. You
decide what it looks like—including color, style, and accessories—but the armor retains its normal bulk and weight. The illusory appearance lasts until you use this property again or doff the armor.
Equipment
As a Utilize action, you can spill Ball Bearings from their pouch. They spread to cover a level, 10-foot-square area within 10 feet of yourself. A creature that enters this area for the first time on
a turn must succeed on a DC 10 Dexterity saving throw or have the Prone condition. It takes 10 minutes to recover the Ball Bearings.
Equipment
Inhaled Poison
A creature subjected to Essence of Ether must succeed on a DC 15 Constitution saving throw or have the Poisoned condition for 8 hours. The creature also has the Unconscious condition
while Poisoned in this way. The creature wakes up if it takes damage or if another creature takes an action to shake it awake.
Magic Items
Dungeon Master’s Guide
This wand has 7 charges. While holding it, you can take a Magic action to expend 1 charge and create a harmless burst of multicolored light at a point you can see up to 120 feet away. The burst of
light is accompanied by a crackling noise that can be heard up to 300 feet away. The light is as bright as a torch flame but lasts only a second.
Regaining Charges. The wand regains 1d6 + 1 expended
Monsters
Monster Manual
. Constitution Saving Throw: DC 22, each creature in a 90-foot Cone. Failure: The target can’t take Reactions; its Speed is halved; and it can take either an action or a Bonus Action on its turn
, not both. This effect lasts until the end of its next turn.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting
Magic Items
Dungeon Master’s Guide
Light in a 30-foot radius and Dim Light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you take a Bonus Action to repeat the command word or until you use another
This prism has 50 charges. While you are holding it, you can take a Magic action and use one of three command words to cause one of the following effects:
First Command Word. The gem sheds Bright
Equipment
When you take the Attack action, you can replace one of your attacks with throwing a flask of Alchemist’s Fire. Target one creature or object you can see within 20 feet of yourself. The target
must succeed on a Dexterity saving throw (DC 8 plus your Dexterity modifier and Proficiency Bonus) or take 1d4 Fire damage and start burning.
Spells
Player’s Handbook
You evoke a fiery blade in your free hand. The blade is similar in size and shape to a scimitar, and it lasts for the duration. If you let go of the blade, it disappears, but you can evoke it again
as a Bonus Action.
As a Magic action, you can make a melee spell attack with the fiery blade. On a hit, the target takes Fire damage equal to 3d6 plus your spellcasting ability modifier.
The flaming
Equipment
must have a feature that lets you use it.
Nick. When you make the extra attack of the Light property, you can make it as part of the Attack action instead of as a Bonus Action. You can make this extra attack only once per turn.
Equipment
When you take the Attack action, you can replace one of your attacks with throwing a Net. Target a creature you can see within 15 feet of yourself. The target must succeed on a Dexterity saving throw
creature within 5 feet of it must take an action to make a DC 10 Strength (Athletics) check, freeing the Restrained creature on a success. Destroying the Net (AC 10; 5 HP; Immunity to Bludgeoning, Poison, and Psychic damage) also frees the target, ending the effect.
Equipment
, you must have a feature that lets you use it.
Nick. When you make the extra attack of the Light property, you can make it as part of the Attack action instead of as a Bonus Action. You can make this extra attack only once per turn.
Equipment
must have a feature that lets you use it.
Nick. When you make the extra attack of the Light property, you can make it as part of the Attack action instead of as a Bonus Action. You can make this extra attack only once per turn.
Magic Items
Dungeon Master’s Guide
ranged attack against a creature, you can try to restrain the target instead of dealing damage to it. If the arrow hits, the target must succeed on a DC 15 Strength saving throw or have the Restrained
condition for 1 minute. As an action, a creature Restrained by an arrow can make a DC 20 Strength (Athletics) check to try to break the restraint, ending the effect on itself on a successful check
Spells
Player’s Handbook
Study action to examine the phantasm with an Intelligence (Investigation) check against your spell save DC. If the check succeeds, the target realizes that the phantasm is an illusion, and the spell ends
Monsters
Monster Manual
. Constitution Saving Throw: DC 18, each creature in a 60-foot Cone. Failure: The target can’t take Reactions; its Speed is halved; and it can take either an action or a Bonus Action on its turn
, not both. This effect lasts until the end of its next turn.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting
Monsters
Monster Manual
Advantage on its attack rolls. Its Speed becomes 0, it can’t benefit from any bonus to its Speed, and it moves with the target.
A creature can take an action to try to detach the darkmantle
-foot Emanation originating from the darkmantle. This effect lasts while the darkmantle maintains Concentration on it, up to 10 minutes. Darkvision can’t penetrate this area, and no light can illuminate it.
Equipment
When you take the Attack action, you can replace one of your attacks with throwing a vial of Acid. Target one creature or object you can see within 20 feet of yourself. The target must succeed on a Dexterity saving throw (DC 8 plus your Dexterity modifier and Proficiency Bonus) or take 2d6 Acid damage.






