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Returning 35 results for 'casting reaction guide to have required'.
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.
Spells
Player’s Handbook
existence. On your turn, you can use this link to issue commands to the target (no action required), such as “Attack that creature,” “Move over there,” or “Fetch that object
command the target to take a Reaction but must take your own Reaction to do so.
Using a Higher-Level Spell Slot. Your Concentration can last longer with a spell slot of level 5 (up to 10 minutes), 6 (up to 1 hour), or 7+ (up to 8 hours).
Spells
Player’s Handbook
existence. On your turn, you can use this link to issue commands to the target (no action required), such as “Attack that creature,” “Move over there,” or “Fetch that object
can command the target to take a Reaction but must take your own Reaction to do so.
Using a Higher-Level Spell Slot. Your Concentration can last longer with a spell slot of level 6 (up to 10 minutes), 7 (up to 1 hour), or 8+ (up to 8 hours).
Spells
Player’s Handbook
existence. On your turn, you can use this link to issue commands to the target (no action required), such as “Attack that creature,” “Move over there,” or “Fetch that object
can command the target to take a Reaction but must take your own Reaction to do so.
Using a Higher-Level Spell Slot. Your Concentration can last longer with a level 9 spell slot (up to 8 hours).
Magic Items
Mythic Odysseys of Theros
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
attack roll required, casting the ice storm spell there.
Destroying the Bow. The bow can’t be destroyed without first destroying all its arrows. The winter arrow must be fed to a cerberus on 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
leprechaun can revoke this gift from a creature at any time (no action required). A creature can benefit from only one leprechaun’s Gift of Luck at a time.
Spellcasting. The leprechaun casts one of
Magic Items
Tyranny of Dragons
action to cast one of the following spells from the wand, even if you are incapable of casting spells: ray of frost (no charges, or 1 charge to cast at 5th level; +5 to hit with ranged spell attack
), sleet storm (3 charges; spell save DC 15), or ice storm (4 charges; spell save DC 15). No other components are required.
The wand regains 1d6 + 1 expended charges each day at dawn. If you expend the wand’s last charge, roll a d20. On a 20, the wand melts away, forever destroyed.
Monsters
Quests from the Infinite Staircase
it, the pech can cast Wall of Stone. If at least seven other pechs are within 30 feet of it, it can cast Greater Restoration. Each other pech involved in casting the spell can’t have the
incapacitated condition and must have at least one use of Communal Spellcasting remaining, which it must immediately expend to participate (no action required).
Stone Shape (3/Day). The pech casts Stone
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.
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
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
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
or more, the creature is instead subjected to the confusion spell for 1 minute (no concentration required by the alkilith). While under the effect of that confusion, the creature is immune to Foment
becomes a portal to that plane (see “Planar Portals” in the Dungeon Master’s Guide).
Alkiliths spring from cast-off bits of the hideous, shuddering body of Juiblex. They gradually become
Magic Items
Mythic Odysseys of Theros
this spear, the target takes an extra 2d8 radiant damage.
Blessing of the Sun. If you are a worshiper of Heliod, you gain all the following benefits for which you have the required piety:
Piety 3
“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
Monsters
Icewind Dale: Rime of the Frostmaiden
within the sphere is heavily obscured, and the sphere moves with Auril. The effect lasts until Auril drops to 0 hit points in this form, until she chooses to end the effect (no action required), or
;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
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
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.
Magic Items
Acquisitions Incorporated
that language while attuned to the device.
Time Bandit. At the start of your turn, roll a d6 (no action required). On a 1–3, you slow down time, gaining an additional action on your turn and
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
Monsters
Waterdeep: Dungeon of the Mad Mage
casting elder runes on them. Halaster’s gates connect the different levels of Undermountain, thus enabling him to bring new monsters into the dungeon to replenish those that die or escape. Even as
, however, Halaster is alert and attentive to the activities and preparations of all beings near him. He never willingly enters combat without first casting mage armor and mind blank on himself.As the
Zuggtmoy
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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
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
Magic Items
Mythic Odysseys of Theros
cold damage.
Blessing of the Deep. If you are a worshiper of Thassa, you gain all the following benefits for which you have the required piety:
Piety 10+. You can breathe underwater, and you gain a
Guide for details on randomly determined properties.
Command the Deep. The bident holds the power to command the waves and its creatures. As an action, you can change the condition of the sea
Monsters
Mordenkainen Presents: Monsters of the Multiverse
communication. When the signs are right, cultists gather together, read aloud their blasphemous texts, and conduct the mind-searing rituals that guide star spawn into the world.
Elder Evil Blessings
flame (no action required). While inflamed, the cultist has telepathy with a range of 30 feet, and it can teleport as a bonus action up to 30 feet to an unoccupied space it can see. In addition
Monsters
Mordenkainen Presents: Monsters of the Multiverse
blasphemous texts, and conduct the mind-searing rituals that guide star spawn into the world.
Elder Evil Blessings
Disciples of certain Elder Evils can bestow supernatural gifts on those who serve
surrounds the cultist for 1 minute, until the cultist is incapacitated or dies, or until the cultist extinguishes the flame (no action required). While inflamed, the cultist has telepathy with a range
Monsters
Eberron: Rising from the Last War
minute or until the target takes damage. Belashyrra can issue telepathic commands to the charmed creature (no action required), which it does its best to obey.
3. Mind-Weakening Ray. The target must
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
ulitharid is more than 5 miles away from the elder brain, it can end the psychic link at any time (no action required).Tentacles. Melee Weapon Attack: +9;{"diceNotation":"1d20+9", "rollType":"to hit
: a larger and more potent mind flayer with six tentacles. Illithids innately recognize that an ulitharid’s survival is more important than their own. An elder brain’s reaction to the rise
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
, Demogorgon can move the illusory duplicate a distance equal to his walking speed (no action required). The first time a creature or an object interacts physically with Demogorgon (for example, by
Magic Items
Mythic Odysseys of Theros
required piety:
Piety 10+. The hammer has 1 randomly determined minor beneficial property.
Piety 25+. The hammer has 1 randomly determined major beneficial property.
Piety 50+. The hammer has 1
chapter 7 of the Dungeon Master’s Guide for details on randomly determined properties.
Reforged. While holding the hammer, you have resistance to fire damage and are immune to exhaustion
Magic Items
Mythic Odysseys of Theros
’t be used again until the next dusk.
Blessing of the Dead. If you are a worshiper of Erebos, you gain all the following benefits for which you have the required piety:
Piety 1+. The whip has 1
chapter 7 of the Dungeon Master’s Guide for details on randomly determined properties.
Erebos’s Claim. While carrying the whip, you can use an action to cast either circle of
Orcus
Legacy
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Monsters
Out of the Abyss
disappear or until Orcus releases their grasp (no action required).
Regional Effects
The region containing Orcus’s lair is warped by the Orcus’s magic, creating one or more of the following
within line of sight of the demon lord, roll on the Madness of Orcus table to determine the nature of the madness, which is a character flaw that lasts until cured. See the Dungeon Master’s Guide
Monsters
Mordenkainen Presents: Monsters of the Multiverse
available for communication. When the signs are right, cultists gather together, read aloud their blasphemous texts, and conduct the mind-searing rituals that guide star spawn into the world.
Elder Evil
extinguishes the flame (no action required). While inflamed, the cultist has telepathy with a range of 30 feet, and it can teleport as a bonus action up to 30 feet to an unoccupied space it can see. In
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
Demogorgon
Legacy
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Monsters
Out of the Abyss
of the next round. On his turn, Demogorgon can move the illusory duplicate a distance equal to his walking speed (no action required). The first time a creature or object interacts physically with
demon lord, roll on the Madness of Demogorgon table to determine the nature of the madness, which is a character flaw that lasts until cured. See the Dungeon Master’s Guide for more on
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
available for communication. When the signs are right, cultists gather together, read aloud their blasphemous texts, and conduct the mind-searing rituals that guide star spawn into the world.
Elder Evil
extinguishes the flame (no action required). While inflamed, the cultist has telepathy with a range of 30 feet, and it can teleport as a bonus action up to 30 feet to an unoccupied space it can see. In