casting response guide to have reaction

Black Pudding

Monsters Monster Manual

penalty reaches −5. The penalty can be removed by casting the Mending spell on the weapon. In 1 minute, the pudding can eat through 2 feet of nonmagical wood or metal. Spider Climb. The pudding

by the target takes a −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10. The penalty can be removed by casting the Mending spell on the armor.Split

Rust Monster

Monsters Monster Manual

is destroyed if its penalty reaches −5. The penalty can be removed by casting the Mending spell on the armor or weapon. Destroy Metal. The rust monster touches a nonmagical metal object within

5 feet of itself that isn’t being worn or carried. The touch destroys a 1-foot Cube of the object.Reflexive Antennae. Trigger: An attack roll hits the rust monster. Response: The rust monster uses Antennae.

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.

Marilith

Monsters Monster Manual

Resistance. The marilith has Advantage on saving throws against spells and other magical effects. Reactive. The marilith can take one Reaction on every turn of combat.Multiattack. The marilith makes six Pact

ends.Parry. Trigger: The marilith is hit by a melee attack roll while holding a weapon. Response: The marilith adds 5 to its AC against that attack, possibly causing it to miss.PoisonCold, Fire

Warrior Commander

Monsters Monster Manual

effects: Sap. The target has Disadvantage on its next attack roll before the start of the warrior’s next turn. Maneuver. One ally who can see or hear the warrior can take a Reaction to move up

until the end of the target’s next turn.Counterattack. Trigger: The warrior is hit by an attack roll. Response: The warrior adds 4 to its AC against that attack, possibly causing it to miss. On a

Arch-hag

Monsters Monster Manual

Coven Magic. While within 30 feet of at least two hag allies, the hag can cast one of the following spells, requiring no Material components, using the spell’s normal casting time, and using

hag casts Counterspell in response to that spell’s trigger, using the same spellcasting ability as Spellcasting. If the target fails its saving throw, it is cursed until the end of its next turn

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.

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

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

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

Blade of Avernus

Magic Items Baldur’s Gate: Descent into Avernus

Dungeon Master’s Guide: 2 minor beneficial properties 1 major beneficial property 1 major detrimental property, which is suppressed while the sword is attuned to an archdevil Ruler of

ruler of Avernus, or a sanctuary you designate if you rule Avernus. Destroying the Sword. The sword can be destroyed by casting it into the River Styx or melting it down in the forge that created it.

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

Charmayne Daymore

Monsters Keys from the Golden Vault

reactions per round but only one per turn. Elemental Rebuke. In response to being hit by an attack, Charmayne utters a word in Ignan, dealing 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction

see, leaving a harmless cloud of ash and embers in the space she just left. Fiery Counterspell. Charmayne interrupts a creature she can see within 60 feet of herself that is casting a spell. If the

Zuggtmoy Legacy

Monsters Out of the Abyss

Thrall. When Zuggtmoy is hit by an attack, one creature within 5 feet of Zuggtmoy that is charmed by her must use its reaction to be hit by the attack instead.Zuggtmoy can take 3 legendary actions

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

Ythryn Mythallar

Magic Items Icewind Dale: Rime of the Frostmaiden

;s Guide. If a ninth creature tries to attune to the mythallar, nothing happens. All creatures attuned to the Ythryn mythallar can sense when the device is being used. A creature attuned to the device

can use the Ythryn mythallar to cast the control weather spell without requiring any components and without the need for you to be outdoors. This casting of the spell has a 50-mile radius. For the

Fractine

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

Magic Resistance. The fractine has advantage on saving throws against spells and other magical effects. Scrying Focus. A spellcaster can use the fractine as a substitute focus when casting the

":"force"} force damage.Mirrored Damage. In response to being damaged by a creature it can see within 120 feet of itself, the fractine forces that creature to make a DC 16 Constitution saving throw. On

Factol Skall

Monsters Adventure Atlas: The Mortuary

Counterspell. Skall chatters his teeth to interrupt a creature he can see within 60 feet of himself that is casting a spell. If the spell is 4th level or lower, it fails and has no effect. If the spell

takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Baleful Counterspell", "rollDamageType":"necrotic"} necrotic damage if the spell fails. Near-Death Experience. In response to

Vecna the Archlich

Monsters Vecna: Eve of Ruin

reactions per round but only one per turn. Dread Counterspell. Vecna utters a dread word to interrupt a creature he can see that is casting a spell. If the spell is 4th level or lower, it fails and

response to being hit by an attack, Vecna utters a fell word, dealing 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Fell Rebuke", "rollDamageType":"necrotic"} necrotic damage to

Khrusor, Spear of Heliod

Magic Items Mythic Odysseys of Theros

“Artifacts” in chapter 7 of the Dungeon Master’s Guide for details on randomly determined properties. Luminous. The spear sheds bright light in a 30-foot radius and dim light for an

additional 30 feet. The light is sunlight. Sun’s Retaliation. When you take damage from a creature within 5 feet of you, you can use your reaction to make a melee attack with the spear against that

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

succeeds on three of these saves.The dragon can take up to three reactions per round but only one per turn. Reactive Rend. After using Legendary Resistance or in response to being hit by an attack

action on its turn, not both. The creature also can’t take a reaction or a bonus action. Timeline Divergence. The dragon chooses a space it can fit into within its lair. The dragon exists

Ephixis, Bow of Nylea

Magic Items Mythic Odysseys of Theros

. See “Artifacts” in chapter 7 of the Dungeon Master’s Guide for details on randomly determined properties. Arrows of the Seasons. The four arrows—each associated with a season

see within 320 feet of you, no attack roll required, casting the wall of thorns spell there. Winter. As an action, you can fire this arrow at a space that you can see within 320 feet of you, no

Auril (Third Form)

Monsters Icewind Dale: Rime of the Frostmaiden

;Divine Rank” sidebar in the Dungeon Master’s Guide.) Auril’s beloved ice grasps all things in her clutches, preserving them against the ravages of time. She hoards beauty in

using her magic. Casting such great magic night after night while also granting spells to her devoted followers leaves Auril weak and vulnerable. In her self-inflicted weakened state, Auril is inclined

Stone of Golorr

Magic Items Waterdeep: Dragon Heist

Stone of Golorr has the following properties, determined by rolling on the tables in the “Artifacts” section in chapter 7 of the Dungeon Master’s Guide: 1 minor beneficial property

Items” in chapter 7 of the Dungeon Master’s Guide). Personality. The Stone of Golorr has an alien intellect that is both domineering and hungry for knowledge. It thinks of itself as an

Fomorian Warlock of the Dark

Monsters Bigby Presents: Glory of the Giants

action and Poisoning Rebuke reaction. The object bearing the blood rune has AC 15; 30 hit points; and immunity to necrotic, poison, and psychic damage. The object regains all its hit points at the end

, suggestion, telekinesisPoisoning Rebuke (Requires Blood Rune). In response to being damaged by a creature the fomorian can see within 60 feet of itself, the fomorian forces that creature to make a DC 16

Auril (First Form)

Monsters Icewind Dale: Rime of the Frostmaiden

winter’s cruelty. (For information on what defines a lesser god, see the “Divine Rank” sidebar in the Dungeon Master’s Guide.) Auril’s beloved ice grasps all things in her

realm in the far north and, after a time, plunged it into frigid darkness using her magic. Casting such great magic night after night while also granting spells to her devoted followers leaves Auril

Yeenoghu Legacy

Monsters Out of the Abyss

condition. Each gnoll or hyena that Yeenoghu can see can use its reaction to move up to its speed. Until the next initiative count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged

madness, which is a character flaw that lasts until cured. See the Dungeon Master’s Guide for more on madness. Madness of Yeenoghu d100 Flaw (lasts until cured) 01–20

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

innumerable times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to

(Recharge 5–6). As a reaction when this creature takes damage, it can roll a d10 and subtract the number rolled from the damage. Cold, Fire, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

Legendary Resistance or in response to being hit by an attack roll, the dragon makes one Rend attack. Slow Time. Immediately after a creature the dragon can see ends its turn, the dragon targets a creature

affected creature can move or take an action on its turn, not both. The creature also can’t take a reaction or a bonus action. Timeline Divergence. The dragon chooses a space it can fit into

Soul Coin

Magic Items Baldur’s Gate: Descent into Avernus

temporary hit points. Query. You telepathically ask the soul a question and receive a brief telepathic response, which you can understand. The soul knows only what it knew in life, but it must

answer you truthfully and to the best of its ability. The answer is no more than a sentence or two and might be cryptic. Freeing a Soul. Casting a spell that removes a curse on a soul coin frees the soul

Graz'zt Legacy

Monsters Out of the Abyss

reaction to move up to its speed as Graz’zt directs. Sow Discord. Graz’zt casts crown of madness or dissonant whispers. Teleport. Graz’zt uses his Teleport action.The appearance of the

Master’s Guide for more on madness. Madness of Graz’zt d100 Flaw (lasts until cured) 01–20 “There is nothing in the world more important than me and my

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to use this

–6). As a reaction when this creature takes damage, it can roll a d10 and subtract the number rolled from the damage. Geryon (Variant);VARIANT: SOUND THE HORN Geryon can have an action that

Belashyrra

Monsters Eberron: Rising from the Last War

succeed on a DC 22 Wisdom saving throw or take 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Implant Fear","rollDamageType":"psychic"} psychic damage and immediately use its reaction

Dungeon Master’s Guide has more information on madness. Madness of Belashyrra d6 Flaw (lasts until cured) 1 “I constantly see shapes moving in the shadows.” 2

Auril (Second Form)

Monsters Icewind Dale: Rime of the Frostmaiden

;s Guide.) Auril’s beloved ice grasps all things in her clutches, preserving them against the ravages of time. She hoards beauty in all forms, from art objects and flowers to skilled

Frostmaiden could not stay away for long. Auril returned to her icy realm in the far north and, after a time, plunged it into frigid darkness using her magic. Casting such great magic night after

Nafas

Monsters Quests from the Infinite Staircase

normally follow casting the Wish spell to produce an effect other than duplicating another spell.Multiattack. Nafas makes three Storm Shamshir attacks and uses Create Vortex. Storm Shamshir. Melee

. Zephyr Step. In response to being hit by an attack roll, Nafas moves up to half his flying speed without provoking opportunity attack;opportunity attacks.Nafas is the breath of the multiverse, an

Blackstaff

Magic Items Waterdeep: Dragon Heist

of power (see the Dungeon Master’s Guide) in addition to the following properties. Animate Walking Statues. You can expend 1 or more of the staff’s charges as an action to animate or

staff’s charges as a bonus action, causing the target to expend one spell slot of the highest spell level it can cast without casting a spell. If the target has already expended all its spell

D&D Beyond

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