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Returning 35 results for 'check will reaction'.
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Magic Items
Dungeon Master’s Guide
While wearing this armor, you gain a +2 bonus to Armor Class. In addition, if an effect moves you against your will along the ground, you can take a Reaction to reduce the distance you are moved by up to 10 feet.
Net
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Equipment
has no effect on creatures that are formless, or creatures that are Huge or larger. A creature can use its action to make a DC 10 Strength check, freeing itself or another creature within its reach on a
success. Dealing 5 slashing damage to the net (AC 10) also frees the creature without harming it, ending the effect and destroying the net.
When you use an action, bonus action, or reaction to
Magic Items
Dungeon Master’s Guide
(Athletics) or Dexterity (Acrobatics) check. On a successful check, the target is no longer Restrained by the rope. If you’re still holding onto the rope when a target escapes from it, you can take
a Reaction to command the rope to coil up in your hand; otherwise, the rope coils up in the target’s space.
The rope has AC 20, HP 20, and Immunity to Poison and Psychic damage. It regains 1
Magic Items
Dungeon Master’s Guide
) or a 10-foot pole, or reverting it a Quarterstaff; the weapon will elongate only as far as the surrounding space allows.
In certain forms, the weapon has the following additional properties
an attack while holding the weapon, you can take a Reaction to twirl the weapon around you, gaining a +5 bonus to your Armor Class against the triggering attack, potentially causing the attack to miss
Monsters
Monster Manual
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
DC 15):
At Will: Detect Magic, Identify, Prestidigitation1/Day Each: Locate Object, Remove CursePsychicNecrotic, Radiant
Monsters
Monster Manual
Advantage on saving throws against spells and other magical effects.
Spider Climb. The yochlol can climb difficult surfaces, including along ceilings, without needing to make an ability check.
Web
spellcasting ability (spell save DC 15):
At Will: Detect Thoughts, Gaseous Form (self only), Web1/Day: Dominate PersonToxic Escape. Trigger: The yochlol is hit by an attack roll. Response: The yochlol
Monsters
Monster Manual
ability (spell save DC 21):
At Will: Detect Magic, Mind Spike (level 5 version), Minor Illusion, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no
turn, the target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test
Monsters
Monster Manual
ability (spell save DC 17):
At Will: Detect Magic, Mind Spike (level 4 version), Minor Illusion, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no
rolls 1d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test. Failure or
Monsters
Monster Manual
spellcasting ability (spell save DC 22):
At Will: Detect Thoughts, Dimension Door,Dispel Magic, Hypnotic Pattern 2/Day Each: Mass Suggestion, Modify Memory, Plane Shift
Tongue Twister. The
(excluding the hag and its allies) within 1 mile of the lair subtract 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Lapsus Linguae"} from any ability check they make when they take the
Monsters
Quests from the Infinite Staircase
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
the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 14):
At will: Mending (as an action), Prestidigitation
2/day each: Invisibility
Magic Items
The Book of Many Things
. Roll a d20 and record the number rolled. Once in the next 8 hours, immediately after a creature within 60 feet of you makes an ability check, an attack roll, or a saving throw, you can use your
reaction to discard the d20 roll; the creature must use the number you rolled in place of its roll.
Additionally, while holding the cards, you can cast Divination from them. Once this property is used, it can’t be used again until the next dawn.
Monsters
Princes of the Apocalypse
spell attacks). It knows the following sorcerer spells (an asterisked spell is from appendix B):
Cantrips (at will): acid splash, blade ward, light, mending, mold earth*
1st level (4 slots): earth
"} slashing damage.Unyielding. When the priest is subjected to an effect that would move it, knock it prone, or both, it can use its reaction to be neither moved nor knocked prone.
Monsters
Mordenkainen Presents: Monsters of the Multiverse
spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 23):
At will: charm person, detect magic, dispel magic
3/day each: darkness, dominate person
feet of him. If the spell is 3rd level or lower, the spell fails and has no effect. If the spell is 4th level or higher, Graz’zt makes a Charisma check against a DC of 10 + the spell’s
Magic Items
Acquisitions Incorporated
reroll the check and take either result. Once you use this feature of the chronolometer, it cannot be used again until the next dawn.
Fate Swap. As a reaction when a creature you can see within 30 feet
doubling your speed until the end of the turn. On a 4–6, you go forward in time to warn yourself of what is to come. The next time you fail a saving throw, attack roll, or ability check, you can
Magic Items
Acquisitions Incorporated
powerful prognostication powers dutifully explained), you can exert your will to control its operation as a bonus action, choosing the result that appears after it lands as a means of gently coercing
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
Monsters
Guildmasters’ Guide to Ravnica
saving throw or use its reaction to move up to 30 feet in a direction of the witch's choice.
Devil's Sight. Magical darkness doesn't impede the witch's darkvision.
Innate Spellcasting. The witch's
following spells, requiring no material components:
At will: alter self, detect magic, eldritch blast (at 11th level), false life, levitate (self only), mage armor (self only)
1/day each: circle of
Monsters
Out of the Abyss
two 2nd-level spell slots, which he regains after finishing a short or long rest, and knows the following warlock spells:
Cantrips (at will): eldritch blast, friends, poison spray
1st level: armor
.
One with Shadows. While he is in dim light or darkness, Narrak can become invisible. He remains so until he moves or takes an action or reaction.
Monsters
Waterdeep: Dungeon of the Mad Mage
spell attacks). The mage has the following wizard spells prepared:
Cantrips (at will): fire bolt, light, mage hand, prestidigitation
1st level (4 slots): detect magic, mage armor, magic missile
or a reaction, she can shoot one of the following eye rays at one target she can see within 120 feet of her:
Fear Ray. The target must succeed on a DC 15 Wisdom saving throw or be frightened for 1
Monsters
Phandelver and Below: The Shattered Obelisk
Special Equipment. Glasstaff wields a staff of defense (see appendix B). With the staff in hand, he can use an action to cast the mage armor spell and use his reaction to cast the shield
one of the following spells, requiring no material components and using Intelligence as the spellcasting ability (spell save DC 13):
At will: light, mage hand
1/day each: charm person, hold person
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
when a creature you can see within 60 feet of you makes an attack roll, saving throw, or ability check, you make that creature roll a d10 and add or subtract the number rolled (your choice) from the
Magic Items
Wayfinder's Guide to Eberron
(Medicine) check with a +6 bonus. If this check succeeds, the docent stabilizes you.
Random Properties. A docent has the following properties:
Languages. The docent knows Common, Giant, and 1d4
one of the following skills (roll a d4): (1) Arcana, (2) History, (3) Investigation, or (4) Nature.
Spells. The docent knows one of the following spells and can cast it at will, requiring no components
Magic Items
Acquisitions Incorporated
disadvantage. When such a roll is made, you can use a reaction to grant a d10 to a different creature you can see. That creature can add the d10 to any ability check, attack roll, or saving throw it
someone in your franchise within the last 24 hours, then grant the character who slew it a d10. Once within the next hour, that character can add the d10 to an attack roll, ability check, or saving
Magic Items
Waterdeep: Dungeon of the Mad Mage
.
The orb has extensive knowledge of four narrow academic subjects. When making an Intelligence check to recall lore from any of its areas of expertise, the orb has a +9 bonus to its roll (including
its Intelligence modifier).
In addition to the knowledge it possesses, the orb can cast the mage hand cantrip at will. It uses the spell only to transport itself. Its spellcasting ability is Intelligence.
Monsters
Mordenkainen Presents: Monsters of the Multiverse
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 will: dancing lights
1/day
subterranean world of that god’s malevolence.Battle Command. Choose one creature within 30 feet of the drow that the drow can see. If the chosen creature can see or hear the drow, that creature can use its reaction to make one melee attack or to take the Dodge or Hide action.
Monsters
The Wild Beyond the Witchlight
Consume Life. As a bonus action, the will-o’-wisp can target one creature it can see within 5 feet of it that has 0 hit points and is still alive. The target must succeed on a DC 10
Constitution saving throw against this magic or die. If the target dies, the will-o’-wisp regains 10 (3d6);{"diceNotation":"3d6","rollType":"heal","rollAction":"Consume Life"} hit points.
Ephemeral. The
Magic Items
Tasha’s Cauldron of Everything
in the archive. The new spell must be of the divination school.
When a creature you can see within 30 feet of you makes an attack roll, an ability check, or a saving throw, you can use your reaction
Monsters
Heroes of the Borderlands
Jacko’s appearance can make a DC 13 Intelligence (Investigation) check, discerning his disguise on a successful check.Multiattack. Jacko makes two Poison Dagger attacks.
Poison Dagger. Melee or
damage.Jacko advertises his cloak-and-dagger services in seedy places throughout the Borderlands. For the right price, Jacko will trail, rob, rough up, or take out any mark—no questions asked.
Satisfied
Zuggtmoy
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Monsters
Out of the Abyss
turn.
Attack. Zuggtmoy makes one pseudopod attack.
Exert Will. One creature charmed by Zuggtmoy that she can see must use its reaction to move up to its speed as she directs or to make a weapon
Innate Spellcasting. Zuggtmoy’s spellcasting ability is Charisma (spell save DC 22). She can innately cast the following spells, requiring no material components:
At will: detect magic, locate
Monsters
Tales from the Yawning Portal
spells prepared:
Cantrips (at will): acid splash, friends, mage hand, poison spray
1st level (4 slots): charm person, detect magic, magic missile, ray of sickness
2nd level (3 slots): detect thoughts
30 feet of it, the Ooze Master can use a reaction to divert the attack if another creature is within the attack's range. The attacker must make a DC 15 Wisdom saving throw. On a failed save, the
Monsters
Spelljammer: Adventures in Space
the spellcasting ability:
At will: levitate (self only), mage hand (the hand is invisible)
1/day each: freedom of movement (self only), invisibility (self only)Thri-kreen mystics use psionics to
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
Monsters
The Book of Many Things
Unerring Tracker trait to make one weapon attack as a reaction against the target of that ally’s Unerring Tracker.
Spellcasting. Brusipha casts one of the following spells, using Charisma as the
spellcasting ability (spell save DC 13):
At will: Prestidigitation, Speak with Animals
1/day each: Bestow Curse, Command, Crown of MadnessBaphomet’s Blessing. When Brusipha reduces a hostile
Monsters
Bigby Presents: Glory of the Giants
itself by spending 5 feet of its movement. As an action, a creature within reach of the tick can try to detach the tick, doing so with a successful DC 13 Strength check.
Blood Drain. The tick deals 10
. The tick regains hit points equal to the damage dealt.Ticks the size of boars have feasted on the blood of giants for countless ages. Though these parasites are painful nuisances to giants, they can be terrible threats to smaller folk, since a hungry tick will consume the blood of any creature it can catch.
Magic Items
Tasha’s Cauldron of Everything
book. The new spell must be of the illusion school.
When a creature you can see makes an Intelligence (Investigation) check to discern the true nature of an illusion spell you cast, or makes a saving
throw against an illusion spell you cast, you can use your reaction and expend 1 charge to impose disadvantage on the roll.
Monsters
Waterdeep: Dungeon of the Mad Mage
Battle Command. As a bonus action, Zress Orlezziir targets one ally she can see within 30 feet of her. If the target can see or hear the drow, the target can use its reaction to make one melee attack
spellcasting ability is Charisma (spell save DC 13). She can innately cast the following spells, requiring no material components:
At will: dancing lights
1/day each: darkness, faerie fire, levitate
Monsters
Strixhaven: A Curriculum of Chaos
professor until the start of the professor’s next turn. The charmed creature must immediately use its reaction, if available, to move up its speed toward another creature of the professor&rsquo
spellcasting ability (spell save DC 15):
At will: guidance, mage hand, minor illusion
1/day each: mage armor, major image, mirage arcane (as an action), Rary's telepathic bondDivide by Zero (2/Day). When