before battle dousing casting reaction

Counterspell

Spells Player’s Handbook

You attempt to interrupt a creature in the process of casting a spell. The creature makes a Constitution saving throw. On a failed save, the spell dissipates with no effect, and the action, Bonus

Action, or Reaction used to cast it is wasted. If that spell was cast with a spell slot, the slot isn’t expended.

War Caster

Feats Player’s Handbook

leaving your reach, you can take a Reaction to cast a spell at the creature rather than making an Opportunity Attack. The spell must have a casting time of one action and must target only that creature

Sword of Kas

Magic Items Dungeon Master’s Guide

cast a spell, you can’t cast that spell again from it until the next dawn. Spirit of Kas. While the sword is on your person, you gain the following benefits: Battle Hunger. You add 1d10 to your

Kas, provided the sword is within 30 feet of the spell’s caster. Upon casting Wish, the creature makes a DC 18 Charisma saving throw. On a failed save, nothing happens, and the Wish spell is wasted. On a successful save, the Sword of Kas is destroyed.

Spellfire Storm

Spells Forgotten Realms: Heroes of Faerûn

. On a failed save, the spell dissipates with no effect, and the action, Bonus Action, or Reaction used to cast it is wasted. If that spell was cast with a spell slot, the slot isn’t expended

. When you cast this spell, you can designate creatures to be unaffected by it. Casting as a Circle Spell. In addition to the spell’s usual components, you must provide a special component (a

Warlord

Monsters Mordenkainen Presents: Monsters of the Multiverse

target can see or hear the warlord, the target can make one weapon attack as a reaction and gains advantage on the attack roll. Weapon Attack. The warlord makes one Greatsword or Shortbow attack

Warlord Battle Cries table to select one, or choose a battle cry that fits with your campaign. Warlord Battle Cries d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Battle Cry"} Battle

Quandrix Professor of Theory

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

the professor sees another creature within 60 feet of itself casting a spell, the professor can try to nullify the spell’s formation. The creature must succeed on a DC 15 saving throw using the

War Caster Legacy

Feats Player’s Handbook (2014)

provokes an opportunity attack from you, you can use your reaction to cast a spell at the creature, rather than making an opportunity attack. The spell must have a casting time of 1 action and must target only that creature.

You have practiced casting spells in the midst of combat, learning techniques that grant you the following benefits: You have advantage on Constitution saving throws that you make to maintain your

Jarund Elkhardt

Monsters Icewind Dale: Rime of the Frostmaiden

the target is pushed to within 5 feet of a creature friendly to Jarund, that creature can make an attack against the target as a reaction. Javelin. Melee or Ranged Weapon Attack: +7;{"diceNotation

in battle. The strain of his long years of rule is etched on his weather-worn face. Jarund's late son, Jarund Twice-Born, was killed almost a decade ago while trying to bring down a cave bear, leaving

Drow House Captain

Monsters Mordenkainen Presents: Monsters of the Multiverse

effective leaders in battle. Among Lolth’s devotees in the city of Menzoberranzan in the Forgotten Realms, each noble house entrusts the leadership of its military forces to a house captain, who

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.

Ooze Master

Monsters Tales from the Yawning Portal

1 round. Instinctive Attack. When the Ooze Master casts a spell with a casting time of 1 action, it can make one pseudopod attack as a bonus action. Spellcasting. The Ooze Master is a 9th-level

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

Cloud Giant Destiny Gambler

Monsters Bigby Presents: Glory of the Giants

Thunderous Clap action and Negate Spell reaction. The mask bearing the cloud rune has AC 15; 45 hit points; and immunity to necrotic, poison, and psychic damage. The mask regains all its hit points at

feet of itself casting a spell, the giant tries to interrupt it. If the creature is casting a spell using a spell slot of 3rd level or lower, the spell fails and has no effect. If the creature is

Drow House Captain Legacy

Monsters Mordenkainen’s Tome of Foes

Battle Command. As a bonus action, the drow targets one ally he can see within 30 feet of him. If the target can see or hear the drow, the target can use its reaction to make one melee attack or to

Flind

Monsters Mordenkainen Presents: Monsters of the Multiverse

"} bludgeoning damage, and the target must make a DC 16 Wisdom saving throw. On a failed save, the target must use its reaction, if available, to make one melee attack against a random creature, other than

Yeenoghu, a flind uses demonic insight to guide the gnolls toward weak prey ripe for slaughter. Unlike other leaders who might skulk behind their minions, a flind leads the charge in battle. Its flail causes wracking pain, paralysis, and disorientation in those it strikes.

Spindle of Fate

Magic Items The Book of Many Things

This wand is shaped like a drop spindle wrapped in red thread. The wand has 6 charges that can be used for the following properties: Battle Foreknowledge. When you roll initiative, you can expend 1

effect. Twist of Fate. When a creature within 60 feet of you makes a saving throw or an attack roll, you can use your reaction to expend 3 charges and alter the outcome, turning a failed saving

Zress Orlezziir

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

Githyanki Supreme Commander

Monsters Mordenkainen Presents: Monsters of the Multiverse

targets one ally it can see within 30 feet of it. If the target can see or hear the githyanki, the target can make one melee weapon attack using its reaction, if available, and has advantage on the attack

forces. Most supreme commanders ride red dragons (see the Monster Manual) into battle. Githyanki Githyanki descend from an ancient people who were also the progenitors of githzerai. These tall

Snapping Hydra

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

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

, it’s never long before a hungry or curious creature arrives to investigate, leaping into battle with the hydra’s foes while the hydra makes an opportune exit.

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

unoccupied space he can see.Negate Spell (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Negate Spell"}. Graz’zt tries to interrupt a spell he sees a creature casting within 60

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

High Fae Mage

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

, mirror imageFae Counterspell. The high fae interrupts a creature it can see that is casting a spell with verbal, somatic, or material components. The caster takes 10 (3d6);{"diceNotation":"3d6

among the fae, magically negotiating themselves advantages in battle. Like many high fae, these mages draw power from the latent energy found throughout the wilds of Eldraine. However, high fae mages

Duergar Warlord

Monsters Mordenkainen Presents: Monsters of the Multiverse

use their reaction to make one weapon attack. Invisibility (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Invisibility"}. The duergar magically turns invisible for up to 1

, inspiring, and merciless in equal parts. A skilled leader in battle, the warlord can use spikes of psionic energy to compel the warriors they command to fight harder. Duergar Duergar are dwarves of

Duergar Kavalrachni

Monsters Mordenkainen Presents: Monsters of the Multiverse

Cavalry Training. When the duergar hits a target with a melee attack while mounted, the mount can use its reaction to make one melee attack against the same target. Duergar Resilience. The duergar

their fury in battle with their psionic abilities or training dangerous Underdark creatures as mounts. Denigrated by some as joyless, duergar are in fact deeply passionate in all that they do—even

Yeenoghu Legacy

Monsters Out of the Abyss

5 or more, the target falls prone. Savage (Costs 2 Actions). Yeenoghu makes a bite attack against each creature within 10 feet of him.The Beast of Butchery appears as a great battle-scarred gnoll

atrocities in his name. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with him

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

use this opportunity to replace his hated rival. Among the archdevils, Geryon is known for his martial prowess. He is a ferocious hunter and a relentless tracker. He often joins his troops in battle

hierarchy. Sages who study the Nine Hells believe the battle for control of Stygia is a test staged by Asmodeus in hopes of purging the worst impulses from both Geryon and Levistus—or discovering a

Duergar Mind Master

Monsters Mordenkainen Presents: Monsters of the Multiverse

. The duergar targets one creature it can see within 60 feet of it. The target must succeed on a DC 12 Intelligence saving throw, or the duergar causes it to use its reaction, if available, either to

this end, duergar warriors fulfill a variety of combat roles, often marrying their fury in battle with their psionic abilities or training dangerous Underdark creatures as mounts. Denigrated by some

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

opportunity to replace his hated rival. Among the archdevils, Geryon is known for his martial prowess. He is a ferocious hunter and a relentless tracker. He often joins his troops in battle; he loves

. Sages who study the Nine Hells believe the battle for control of Stygia is a test staged by Asmodeus in hopes of purging the worst impulses from both Geryon and Levistus—or discovering a competent

Archon of Falling Stars

Monsters Mythic Odysseys of Theros

makes a radiant spear attack, and then its mount can use its reaction to make a melee weapon attack. Return to Nyx (Costs 3 Actions). The archon causes a corpse it can see within 30 feet of it to burst

recounts the battle between a group of the gods’ champions and a mighty archon, which took place at the mysterious eastern edge of the world. Defeated, the falling archon is said to have met the

Goblin Legacy

Species Volo's Guide to Monsters

appreciation for the finer things! — Volo Goblins occupy an uneasy place in a dangerous world, and they react by lashing out at any creatures they believe they can bully. Cunning in battle and

goblin tribe has to nobility is the caste of lashers — families of goblins trained in the ways of battle, and also possessed of key skills such as strategy, trap-building, beast taming, mining

Rak Tulkhesh

Monsters Eberron: Rising from the Last War

). Each creature within 60 feet of Rak Tulkhesh must succeed on a DC 24 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no creatures

impulses that drives many mortals to battle. Fear, greed, hatred — these are seeds that the Rage of War sows in the hopes of producing a bloody harvest. Rak Tulkhesh typically takes the form of a vaguely

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

them into flind;flinds. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with

or hyena that Yeenoghu can see can use its reaction to move up to its speed. Regional Effects The region containing Yeenoghu’s lair is warped by his magic, creating one or more of the

4. Reaction Timing

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

4. Reaction Timing Certain game features let you take a special action, called a reaction, in response to an event. Making opportunity attacks and casting the shield spell are two typical uses of

reactions. If you’re unsure when a reaction occurs in relation to its trigger, here’s the rule: the reaction happens after its trigger, unless the description of the reaction explicitly says otherwise. Once you take a reaction, you can’t take another one until the start of your next turn.

Powered Armor

Magic Items Lost Laboratory of Kwalish

approached. Battle of Wills. When donned by a new user, the armor deems itself superior and attempts to take possession of that user. The user must succeed on a DC 13 Charisma saving throw or be

magic that generates a conduit something like an astral silver cord. While so connected, a willing ally can give up hit points as a reaction to fuel the armor’s abilities.

Casting a Spell

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

spell with a casting time longer than a single action or reaction, you must spend your action each turn casting the spell, and you must maintain your concentration while you do so. If your

Casting a Spell When a character casts any spell, the same basic rules are followed, regardless of the character’s class or the spell’s effects. Each spell description in Chapter 11 begins with a

Casting Time

Compendium - Sources->Dungeons & Dragons->Player’s Handbook

Casting Time Most spells require the Magic action to cast, but some spells require a Bonus Action, a Reaction, or 1 minute or more. A spell’s Casting Time entry specifies which of those is required

another one using a Bonus Action on the same turn. Reaction and Bonus Action Triggers A spell that has a casting time of a Reaction is cast in response to a trigger that is defined in the spell’s

Casting Time

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

Casting Time Most spells require a single action to cast, but some spells require a bonus action, a reaction, or much more time to cast. Bonus Action A spell cast with a bonus action is especially

cast as a reaction, the spell description tells you exactly when you can do so. Longer Casting Times Certain spells (including spells cast as rituals) require more time to cast: minutes or even hours

Counterspell

Compendium - Sources->Dungeons & Dragons->Uni and the Hunt for the Lost Horn

Counterspell Level 3 Abjuration (Sorcerer, Warlock, Wizard) Casting Time: Reaction, which you take when you see a creature within 60 feet of yourself casting a spell with Verbal, Somatic, or Material

components Range: 60 feet Components: S Duration: Instantaneous You attempt to interrupt a creature in the process of casting a spell. The creature makes a Constitution saving throw. On a

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