before become driven certain reaction

Arrow-Catching Shield

Magic Items Dungeon Master’s Guide

attack roll against a target within 5 feet of you, you can take a Reaction to become the target of the attack instead.

Quarterstaff of the Acrobat

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

Figurine of Wondrous Power

Magic Items Dungeon Master’s Guide

the creature, the figurine doesn’t become a creature. The creature is Friendly to you and your allies. It understands your languages, obeys your commands, and takes its turn immediately after

figurine form. When the creature becomes a figurine again, its property can’t be used again until a certain amount of time has passed, as specified in the figurine’s description. Figurine

Rod of Absorption

Magic Items Dungeon Master’s Guide

While holding this rod, you can take a Reaction to absorb a spell that is targeting only you and doesn’t create an area of effect. The absorbed spell’s effect is canceled, and the spell

by a spell that the rod can’t store, the rod has no effect on that spell. When you become attuned to the rod, you know how many levels of energy the rod has absorbed over the course of its

Vampire

Monsters Monster Manual

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

water. Stake to the Heart. If a weapon that deals Piercing damage is driven into the vampire’s heart while the vampire has the Incapacitated condition in its resting place, the vampire has the

Monk

Classes Player’s Handbook

strength into their attacks, with or without the use of weapons. In a Monk’s hands, even the most basic weapons can become sophisticated implements of combat mastery. Many Monks find that a

to fuel their determination and discipline. Monks generally view adventures as tests of their physical and mental development. They are driven by a desire to accomplish a greater mission than merely

Vampire Infernalist

Monsters Astarion's Book of Hungers

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

. Running Water. The vampire takes 20 Acid damage if it ends its turn in running water. Stake to the Heart. If a weapon that deals Piercing damage is driven into the vampire’s heart while the

Nupperibo

Monsters Mordenkainen Presents: Monsters of the Multiverse

suitable only to become nupperibos. These pitiful creatures shuffle across the landscape, driven to purposeful action only when the clouds of swarming vermin that surround them find them prey to destroy or

","rollType":"damage","rollAction":"Cloud of Vermin","rollDamageType":"acid"} acid damage. A creature within the areas of two or more nupperibos makes the saving throw with disadvantage. Driven

Jarl Grugnur

Monsters Tales from the Yawning Portal

attacker makes a ranged attack against a target within 5 feet of Grugnur, he can use his reaction to become the target of the attack instead.Cold

Symbol Legacy

Spells Basic Rules (2014)

stepping on the glyph, removing another object covering it, approaching within a certain distance of it, or manipulating the object that holds it. For glyphs inscribed within an object, the most

common triggers are opening the object, approaching within a certain distance of it, or seeing or reading the glyph. You can further refine the trigger so the spell is activated only under certain

Fog Giant

Monsters Mordenkainen's Fiendish Folio Volume 1

shouts bloodcurdling threats at the creatures that serve it. Each medium or smaller ally of the giant within 120 feet of it that can see or hear it can use its reaction to make a melee attack.The place of

cloud giants in the ordning—the set of values and expectations that determines their rank in giant society—is driven by wealth. Those cloud giants foolish or unlucky enough to have their

Humanoid Mutate

Monsters Phandelver and Below: The Shattered Obelisk

as smooth as a salamander’s. Some intelligent Humanoid mutates retain their personalities from before they were exposed to the Far Realm. Some, driven by the allure of otherworldly powers, seek

this transformation to become malevolent prophets and harbingers. Others find magical ways to return to their previous forms. Mutates A creature exposed to the strange energy of the Far Realm

Figurine of Wondrous Power Legacy

Magic Items Basic Rules (2014)

doesn't become a creature. The creature is friendly to you and your companions. It understands your languages and obeys your spoken commands. If you issue no commands, the creature defends itself but

to 0 hit points or if you use an action to speak the command word again while touching it. When the creature becomes a figurine again, its property can't be used again until a certain amount of time

Gold Canary Figurine of Wondrous Power

Magic Items Fizban's Treasury of Dragons

60 feet of you, the figurine becomes a living creature in one of two forms (you choose). If there isn’t enough space for the creature where it would appear, the figurine doesn’t become a

creature. The two forms are as follows: Giant Canary Form. The figurine becomes a giant canary for up to 8 hours and can be ridden as a mount. Once the figurine has become a giant canary, it can

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

), and makes Strength checks and Strength saving throws with advantage. If the duergar lacks the room to become Large, it attains the maximum size possible in the space available. War Pick. Melee

Narrak

Monsters Out of the Abyss

. 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.

Deathlock

Monsters Mordenkainen Presents: Monsters of the Multiverse

that don’t please its patron fall away as its master’s desires become the purpose that drives it. The deathlock immediately resumes work on its patron’s behalf. Whatever the goal

, a foul Undead driven to serve its otherworldly patron. An powerful necromancer might also discover the wicked methods of creating a deathlock and then subjugate it, acting as the deathlock’s patron.PoisonNecrotic; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Geas Legacy

Spells Basic Rules (2014)

understand you, it must succeed on a Wisdom saving throw or become charmed by you for the duration. While the creature is charmed by you, it takes 5d10 psychic damage each time it acts in a manner

result in certain death. Should you issue a suicidal command, the spell ends. You can end the spell early by using an action to dismiss it. A remove curse, greater restoration, or wish spell also

Allip

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"2d8+3", "rollType":"damage", "rollAction":"Whispers of Compulsion", "rollDamageType":"psychic"} psychic damage and must use its reaction to make a melee weapon attack against one creature of the

remains hidden, its victim is gradually overcome by frantic energy. A scholar, driven by sudden insights to work night and day, produces reams of text with little memory of exactly what the documents

Telepathic Pentacle

Monsters Icewind Dale: Rime of the Frostmaiden

. The Telepathic Pentacle regains 10 hit points for each head regrown in this way. Reactive Heads. For each head the Telepathic Pentacle has beyond one, it gets an extra reaction that can be used only

","rollDamageType":"piercing"} piercing damage.Months before Ythryn's fall, a circle of mages known as the Telepathic Pentacle tried to fuse their minds together to become a conjoined telepathic force

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

issues the same command to all the targets. Conjure Mirrors. Smooth surfaces within the lair become as reflective as a polished mirror. Until a different lair action is used, creatures within the lair

Mite

Monsters Mordenkainen's Fiendish Folio Volume 1

, 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

quickly become a brawl. Heralds of Frustration. Mites are natives of the Feywild that arise when a creature becomes so irritated with a situation or event that it lashes out in violence. That

Vampire Spawn Legacy

Monsters Basic Rules (2014)

vampire takes 20 acid damage when it ends its turn in running water. Stake to the Heart. The vampire is destroyed if a piercing weapon made of wood is driven into its heart while it is incapacitated in

increase in the populations of bats, rats, and wolves in the region. Plants within 500 feet of the lair wither, and their stems and branches become twisted and thorny. Shadows cast within 500 feet

Shadowfell Brand Tattoo

Magic Items Tasha’s Cauldron of Everything

Defense. When you take damage, you can use your reaction to become insubstantial for a moment, halving the damage you take. Then the reaction can’t be used again until the next sunset. Magic Tattoo

Eyedrake

Monsters Fizban's Treasury of Dragons

", "rollAction":"", "rollDamageType":"thunder"} thunder damage and become incapacitated until the end of its next turn. 3: Repulsion Ray. The target must succeed on a DC 14 Strength saving throw or take 14

thoughts of its dragon rival can become deeply obsessive, eventually pervading the beholder;beholder's dreams. If the rivalry lasts long enough, these fevered dreams can manifest as an eyedrake—a

Blue Abishai

Monsters Mordenkainen Presents: Monsters of the Multiverse

multiverse enables them to become accomplished spellcasters. They use their magic to devastate Tiamat’s enemies. Abishais Each abishai was once a mortal who somehow won Tiamat’s favor

;s. There is inherent risk in countermanding an order given by Tiamat, but interfering with Asmodeus’s plans invites certain destruction.Fire, Lightning, PoisonCold; Bludgeoning, Piercing, and

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

its action, reaction, and movement. Spellcasting. Demogorgon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 23

disadvantage, and all Charisma (Deception) and Charisma (Intimidation) checks have advantage. Frenzied Animals. Beasts within 1 mile of the lair become frenzied and violent—even creatures that are

Silverquill Pledgemage

Monsters Strixhaven: A Curriculum of Chaos

weaves together stirring prose, allowing the creature to reroll the saving throw and use the higher result.Stylish and driven, the students of Silverquill College—first as silverquill apprentice

target must succeed on a DC 13 Wisdom saving throw or become frightened of the pledgemage for 1 minute. While frightened in this way, the target can’t take reactions, its speed is halved, and

Deathlock Mastermind

Monsters Mordenkainen Presents: Monsters of the Multiverse

become restrained as shadowy tendrils wrap around it for 1 minute. A restrained target can use its action to repeat the saving throw, ending the effect on itself on a success. Spellcasting. The

to live up to a bargain with an evil patron runs the risk of rising from the dead as a deathlock, a foul Undead driven to serve its otherworldly patron. An powerful necromancer might also discover

Green Abishai

Monsters Mordenkainen Presents: Monsters of the Multiverse

"} poison damage and become poisoned for 1 minute. The poisoned target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Spellcasting. The abishai

Tiamat, but interfering with Asmodeus’s plans invites certain destruction.Fire, PoisonCold; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Barrowghast

Monsters Bigby Presents: Glory of the Giants

on a failed save, or half as much damage on a successful one.A hill giant who dies with an empty stomach, full of rage and regret, might become suffused with energy from the Negative Plane and rise as

a barrowghast. Though it looks like little more than an animated corpse, a barrowghast is filled with necrotic energy and driven by spite and malice. Its blood is a thick and toxic ichor that gives

Nilbog Legacy

Monsters Volo's Guide to Monsters

its Reversal of Fortune reaction. Nimble Escape. The nilbog can take the Disengage or Hide action as a bonus action on each of its turns.Fool’s Scepter. Melee Weapon Attack: +4;{"diceNotation

is a chance that a goblin will become possessed by a nilbog, particularly if the goblin has been mistreated by its betters. This possession turns the goblin into a wisecracking, impish creature

Drow House Captain

Monsters Mordenkainen Presents: Monsters of the Multiverse

weapon.A drow house captain leads the troops of an Underdark faction, whether defending a stronghold or leading forces against enemies. These officers make extensive study of strategy and tactics to become

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.

Ironscale Hydra

Monsters Mythic Odysseys of Theros

each head regrown in this way. Reactive Heads. For each head the hydra has beyond one, it gets an extra reaction that can be used only for opportunity attacks. Wakeful. While the hydra sleeps, at least

hibernation during which it continues to grow. When it awakens, it goes on a feeding rampage, so beginning the cycle once again. These rhythms of destruction sometimes become so ingrained in the minds and

Fade Away

Feats Xanathar's Guide to Everything

Intelligence score by 1, to a maximum of 20. Immediately after you take damage, you can use a reaction to magically become invisible until the end of your next turn or until you attack, deal damage, or force

D&D Beyond

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