before based during check reaction

Rope of Entanglement

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

Programmed Illusion

Spells Player’s Handbook

can be activated again. The trigger can be as general or as detailed as you like, though it must be based on visual or audible phenomena that occur within 30 feet of the area. For example, you could

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

Net Legacy

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

Control Water

Spells Player’s Handbook

directions. The water in the area moves as you direct it, but once it moves beyond the spell’s area, it resumes its flow based on the terrain. The water continues to move in the direction you

takes 2d8 Bludgeoning damage. On a successful save, the creature takes half as much damage. A creature can swim away from the whirlpool only if it first takes an action to pull away and succeeds on a Strength (Athletics) check against your spell save DC.

Mark of Sentinel

Feats Eberron: Forge of the Artificer

) check, you can roll 1d4 and add the number rolled to the ability check. Guardian’s Shield. You always have the Shield spell prepared. You can cast it once without a spell slot, and you regain

(choose when you select this feat). Vigilant Guardian. When a creature you can see within 5 feet of you is hit by an attack roll, you can take a Reaction to swap places with that creature, and you are

Narycrash

Equipment

This backpack-sized device holds a balloon-based parachute. If you fall while wearing this device, you can use your reaction to deploy the parachute. Once deployed, the parachute rapidly inflates

Duergar Kavalrachni Legacy

Monsters Out of the Abyss

Cavalry Training. When the duergar hits a target with a melee attack while mounted on a female steeder, the steeder can make a melee attack against the same target as a reaction. Duergar Resilience

duergar magically increases in size, along with anything it is wearing or carrying. While enlarged, the duergar is Large, doubles its damage dice on Strength-based weapon attacks (included in the attacks

Grappling Gun

Equipment

a Reaction to shoot the Grappling Gun at an attachable surface to stop your fall. You still must succeed on the check to ensure the Grappling Hook catches on a solid object. On a successful check, you stop your fall.

A Grappling Gun can shoot a Grappling Hook attached to a rope up to 150 feet, and the hook catches with a successful DC 10 Dexterity (Acrobatics) check. Additionally, if you are falling, you can use

Occultant Abacus

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

an action, make a DC 15 Intelligence (Religion) check. On a success, you learn the relevant information based on the nature of the creature and its place in the world. If you fail the check, this

Leprechaun

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

, Phantasmal Force 1/day each: Fabricate (as an action), MisleadAstonishing Luck. When the leprechaun fails an ability check, an attack roll, or a saving throw, it can roll a new d20 and choose which

Wand of Binding Legacy

Magic Items Basic Rules (2014)

). Assisted Escape. While holding the wand, you can use your reaction to expend 1 charge and gain advantage on a saving throw you make to avoid being paralyzed or restrained, or you can expend 1 charge and gain advantage on any check you make to escape a grappled;grapple.

Duergar Alchemist

Monsters Out of the Abyss

, along with anything it is wearing or carrying. While enlarged, the duergar is Large, doubles its damage dice on Strength-based weapon attacks (included in the attacks), and makes Strength checks and

DC 10 Dexterity check to extinguish the flames. Invisibility (Recharges after a Short or Long Rest). The duergar magically turns invisible until it attacks, casts a spell, or uses its Enlarge, or

Giant Slug

Monsters The Tortle Package

needing to make an ability check. Innate Spellcasting. It can innately cast each of the following spells once per day, requiring no components: guiding bolt, sanctuary, and spiritual weapon. Its

(2d4 + 2);{"diceNotation":"2d4+2","rollType":"damage","rollDamageType":"piercing"} piercing damage.Animate Tentacle. When the slug takes damage in this cave, it can use its reaction to animate one of

Duergar Warlord Legacy

Monsters Mordenkainen’s Tome of Foes

damage while enlarged. Call to Attack. Up to three allied duergar within 120 feet of this duergar that can hear it can each use their reaction to make one weapon attack. Enlarge (Recharges after a Short

or Long Rest). For 1 minute, the duergar magically increases in size, along with anything it is wearing or carrying. While enlarged, the duergar is Large, doubles its damage dice on Strength-based

Programmed Illusion Legacy

Spells Basic Rules (2014)

illusion can be activated again. The triggering condition can be as general or as detailed as you like, though it must be based on visual or audible conditions that occur within 30 feet of the area

illusion with a successful Intelligence (Investigation) check against your spell save DC. If a creature discerns the illusion for what it is, the creature can see through the image, and any noise it makes sounds hollow to the creature.

Ki-rin Legacy

Monsters Volo's Guide to Monsters

regains spent legendary actions at the start of its turn. Detect. The ki-rin makes a Wisdom (Perception) check or a Wisdom (Insight) check. Smite. The ki-rin makes a hoof attack or casts sacred flame

times per day, using each of the following versions of the power once. One version permanently creates enough objects made of soft, plant-based material — including manufactured objects such as cloth

Kakkuu Spyder-Fiend

Monsters Vecna: Eve of Ruin

, without needing to make an ability check. Web Sense. When in contact with a web, the kakkuu knows the exact location of any other creature in contact with the same web. Web Walker. The kakkuu ignores

is their favorite pursuit. They spin durable webs and are ingenious in how they employ their webs against prey. Spyder-fiends are organized into a hierarchy based on might and cunning, with higher

Deck of Oracles

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.

Orb of the Stein Rune

Magic Items Storm King's Thunder

item, which gains a benefit based on its form: Shield. The shield is now a rare magic item that requires attunement. While you wield it, you have resistance to all damage dealt by ranged weapon

attacks. Boots. The pair of boots is now an uncommon magic item that requires attunement. While you wear the boots, you have advantage on Strength saving throws, and you can use your reaction to avoid being knocked prone.

Chronolometer

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

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

. Weakening Breath. The dragon exhales gas in a 60-foot cone. Each creature in that area must succeed on a DC 21 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength checks

spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats

Otiluke's Freezing Sphere Legacy

Spells Player’s Handbook (2014)

including water-based creatures), it freezes the liquid to a depth of 6 inches over an area 30 feet square. This ice lasts for 1 minute. Creatures that were swimming on the surface of frozen water

are trapped in the ice. A trapped creature can use an action to make a Strength check against your spell save DC to break free. You can refrain from firing the globe after completing the spell, if you

Freezing Sphere Legacy

Spells Basic Rules (2014)

including water-based creatures), it freezes the liquid to a depth of 6 inches over an area 30 feet square. This ice lasts for 1 minute. Creatures that were swimming on the surface of frozen water

are trapped in the ice. A trapped creature can use an action to make a Strength check against your spell save DC to break free. You can refrain from firing the globe after completing the spell, if you

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

one. Weakening Breath. The dragon exhales gas in a 90-foot cone. Each creature in that area must succeed on a DC 24 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength

regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon

Quavilithku Spyder-Fiend

Monsters Vecna: Eve of Ruin

ceilings, without needing to make an ability check. Web Sense. When in contact with a web, the quavilithku knows the exact location of any other creature in contact with the same web. Web Walker. The

brutal killing is their favorite pursuit. They spin durable webs and are ingenious in how they employ their webs against prey. Spyder-fiends are organized into a hierarchy based on might and cunning

Raklupis Spyder-Fiend

Monsters Vecna: Eve of Ruin

, without needing to make an ability check. Web Sense. When in contact with a web, the raklupis knows the exact location of any other creature in contact with the same web. Web Walker. The raklupis

pursuit. They spin durable webs and are ingenious in how they employ their webs against prey. Spyder-fiends are organized into a hierarchy based on might and cunning, with higher-ranked spyder-fiends

Wheel of Stars

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

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

one Wave of Sorrow attack. Dance, My Puppet! One creature charmed by Graz’zt that Graz’zt can see must use its reaction to move up to its speed as Graz’zt directs.The appearance of

Wereraven

Monsters Curse of Strahd

successful DC 10 Wisdom (Insight) check. Regeneration. The wereraven regains 10 hit points at the start of its turn. If the wereraven takes damage from a silvered weapon or a spell, this trait

already higher. Attack and damage rolls for the wereraven’s bite are based on whichever is higher of the character’s Strength and Dexterity. The bite of a wereraven in raven form deals 1

Phisarazu Spyder-Fiend

Monsters Vecna: Eve of Ruin

, without needing to make an ability check. Web Sense. When in contact with a web, the phisarazu knows the exact location of any other creature in contact with the same web. Web Walker. The phisarazu

into a hierarchy based on might and cunning, with higher-ranked spyder-fiends dominating lower ranks. Spyder-fiends of equivalent rank scheme against each other for advancement and eagerly turn against

Control Water Legacy

Spells Basic Rules (2014)

beyond the spell's area, it resumes its flow based on the terrain conditions. The water continues to move in the direction you chose until the spell ends or you choose a different effect. Whirlpool

Strength (Athletics) check against your spell save DC. When a creature enters the vortex for the first time on a turn or starts its turn there, it must make a Strength saving throw. On a failed save

Mite

Monsters Mordenkainen's Fiendish Folio Volume 1

within 60 feet of it for 1 minute. If the mite is hidden, using this ability does not reveal its location. While the creature is affected by this hex, whenever it makes an attack roll, an ability check

, or a saving throw, it must roll a d6 and subtract the number rolled from the d20 roll. On any turn in which it suffers the effect of the hex, the target can attack an ally as a reaction, ignoring the

Astromancy Archive

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

Staff of the Magi Legacy

Magic Items Basic Rules (2014)

holding the staff, you have advantage on saving throws against spells. In addition, you can use your reaction when another creature casts a spell that targets only you. If you do, the staff absorbs the

amount of damage based on how far away it is from the point of origin, as shown in the following table. On a successful save, a creature takes half as much damage. Distance from Origin Damage

Bountiful Luck

Feats Xanathar's Guide to Everything

. Surely a sign of fortune’s favor! When an ally you can see within 30 feet of you rolls a 1 on the d20 for an attack roll, an ability check, or a saving throw, you can use your reaction to let the

D&D Beyond

Search Results