before bonus device casting replaces

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

Spell Scroll

Magic Items Dungeon Master’s Guide

, the scroll is unintelligible. Casting the spell by reading the scroll requires the spell’s normal casting time. Once the spell is cast, the scroll crumbles to dust. If the casting is interrupted

’s saving throw DC and attack bonus, as well as the scroll’s rarity, as shown in the following table. Spell Scroll Spell Level Rarity Save DC Attack Bonus Spell Scroll

Sword of Vengeance

Magic Items Dungeon Master’s Guide

You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon. Curse. This weapon is cursed and possessed by a vengeful spirit. Becoming attuned to it extends the curse to you. As

ways. Alternatively, casting Banishment on the weapon forces the vengeful spirit to leave it. The weapon then becomes a +1 Weapon with no other properties.

Daern's Instant Fortress

Magic Items Dungeon Master’s Guide

a single door at ground level on the side facing you. The door opens only at your command, which you can issue as a Bonus Action. It is immune to the Knock spell and similar magic. Magic prevents the

Resistance to all other damage. Shrinking the tower back down to statuette form doesn’t repair damage to the tower. Only a Wish spell can repair the tower (this use of the spell counts as replicating a spell of level 8 or lower). Each casting of Wish causes the tower to regain all its Hit Points.

Ritual Caster

Feats Player’s Handbook

a maximum of 20. Ritual Spells. Choose a number of level 1 spells equal to your Proficiency Bonus that have the Ritual tag. You always have those spells prepared, and you can cast them with any spell

slots you have. The spells’ spellcasting ability is the ability increased by this feat. Whenever your Proficiency Bonus increases thereafter, you can add an additional level 1 spell with the

Sword of Kas

Magic Items Dungeon Master’s Guide

. Magic Weapon. You gain a +3 bonus to attack rolls and damage rolls made with the sword, which scores a Critical Hit on a roll of 19 or 20 on the d20 and deals an extra 2d10 Slashing damage to Undead

Initiative rolls. Blade of Defense. When you take an action to attack with the sword, you can transfer some or all of its attack bonus to your Armor Class instead. The adjusted bonuses remain in

Hat of Many Spells

Magic Items Dungeon Master’s Guide

its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead

, determined by rolling on the following table. Any spell you cast from the hat uses your spell save DC and spell attack bonus. 1d100 Effect 01–50 You cast a random spell determined by

Adventurer's Ring

Magic Items Forgotten Realms: Heroes of Faerûn

Lamps are a liability on adventures. Delicate and prone to oil spillage, lamps fill a hand that should otherwise be wielding a weapon or casting a spell. Once you try one of our elegant and practical

20-foot radius and Dim Light for an additional 20 feet. As a Bonus Action, you can close the cover, smothering the flame, or open it again.

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

Elise

Monsters Van Richten’s Guide to Ravenloft

. The Unbreakable Heart. The Unbreakable Heart is a nonmagical scientific wonder that replaces a creature’s heart. The device installs itself, connecting to a creature’s anatomy and

achievement, Elise is a confused, frustrated soul who never wished for her current circumstances. Elise’s heart has been replaced with the Unbreakable Heart. If this device is removed, Elise dies

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

hours or until a creature touches the wonder with its key as a Utilize action to deactivate it, after which the wonder has the Unconscious condition until it is wound again. Bonus Actions Chime

resembles a metal turtle shell with straps. It is designed to be worn on your back or flank, depending on your anatomy. Once wound, the mobility wonder transforms into a personal transport device and

Swift Quiver Legacy

Spells Player’s Handbook (2014)

bonus action to make two attacks with a weapon that uses ammunition from the quiver. Each time you make such a ranged attack, your quiver magically replaces the piece of ammunition you used with a

Robot Controller

Equipment

turns, ending the effect on itself on a success. Replacing the Energy Cell. While the device has charges remaining, its energy cell can’t be removed. Once the device has 0 charges, you can replace the energy cell with a new cell by using an action or a bonus action.

This small handheld device features a glass pane with a glowing display that responds to your touch. The controller is powered by an energy cell stored in the device. Placing a full energy cell in

Ythryn Mythallar

Magic Items Icewind Dale: Rime of the Frostmaiden

hold. The largest mythallars are 150 feet in diameter. The Ythryn mythallar is a relatively small device—a mere 50 feet in diameter. To attune to this mythallar, a creature must finish a short

;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

Mimir

Magic Items Planescape: Adventures in the Multiverse

This skull-shaped device is filled with knowledge. The device weighs 5 pounds and is covered with subtle etchings of planar sigils. As a bonus action, you can toss the device into the air, whereupon

successful unarmed strike against AC 22 or a successful DC 22 Dexterity (Acrobatics) check. You can use a bonus action to seize and stow the device. The device has AC 22, 25 hit points, immunity to

Pendragon Beestinger

Monsters Acquisitions Incorporated

Echo Spell (1/day). Pendragon can cast the spell he cast on his last turn, whose casting time becomes 1 bonus action. This bonus casting uses a spell slot as normal. Spellcasting. Pendragon is a 4th

Xandala

Monsters Tomb of Annihilation

spell that has a casting time of 1 action, Xandala changes the casting time to 1 bonus action for that casting.Quarterstaff. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit

Green Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

, counterspell, lightning bolt 4th level (3 slots): phantasmal killer, polymorph 5th level (2 slots): contact other plane, scrying 6th level (1 slot): eyebite For casting these spells, each hag is

a 12th-level spellcaster that uses Intelligence as her spellcasting ability. The spell save DC is 13, and the spell attack bonus is +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction

Quandrix Professor of Substance

Monsters Strixhaven: A Curriculum of Chaos

properties of growth. Their magic alters and replaces the equations that describe the natural world, including creatures, space, and substance. Through these manipulations, the professors change their size

professor magically alters its physical form until it uses this bonus action again, until it is incapacitated or dies, or until it dismisses the effect (no action required). Choose one of the following

Night Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

For casting these spells, each hag is a 12th-level spellcaster that uses Intelligence as her spellcasting ability. The spell save DC is 15, and the spell attack bonus is +7;{"diceNotation":"1d20+7

Helmed Horror Detention Drone

Monsters The Book of Many Things

orb. As a bonus action, the drone can move the orb and its contents up to 30 feet in any direction. A successful casting of the Dispel Magic spell on the orb (DC 15) destroys it. The orb otherwise

Chronolometer

Magic Items Acquisitions Incorporated

While attuned to this device, you have a +1 bonus to Intelligence saving throws. The first time you attune to the chronolometer, you choose one language you don’t know. You subsequently know

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

Sea Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

curse, counterspell, lightning bolt 4th level (3 slots): phantasmal killer, polymorph 5th level (2 slots): contact other plane, scrying 6th level (1 slot): eyebite For casting these spells, each hag

is a 12th-level spellcaster that uses Intelligence as her spellcasting ability. The spell save DC is 13, and the spell attack bonus is +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction

Animated Armor Detention Drone

Monsters The Book of Many Things

, eat, or drink, and it doesn’t age. Nothing can pass through the orb, nor can any creature teleport or use planar travel to enter or exit the orb. As a bonus action, the drone can move the orb

and its contents up to 30 feet in any direction. A successful casting of the Dispel Magic spell on the orb (DC 15) destroys it. The orb otherwise remains intact until the drone spends an action to end

Quadrone Detention Drone

Monsters The Book of Many Things

, and it doesn’t age. Nothing can pass through the orb, nor can any creature teleport or use planar travel to enter or exit the orb. As a bonus action, the drone can move the orb and its contents

up to 30 feet in any direction. A successful casting of the Dispel Magic spell on the orb (DC 15) destroys it. The orb otherwise remains intact until the drone spends an action to end the effect or

Sensory Stone

Magic Items Planescape: Adventures in the Multiverse

longer than 6 seconds experienced by a creature of your choice within 30 feet of yourself, infusing the essence of that experience into the stone. This replaces any sensation already stored within the

stone. Siphon Sensation. As a bonus action, you can draw on the stone’s magic to end the charmed or frightened condition on yourself, destroying the stone in the process.

Reborn

Species Van Richten’s Guide to Ravenloft

body hosts a possessing spirit that shares its memories and replaces your missing appendages with phantasmal limbs. 8 In public, you pass as an unremarkable individual, but you can feel the

perfectly preserved remains. Lamordia. You awoke amid the bizarre experiments of an amoral scientist. They consider you their finest creation or have a task for you to fulfill. Mordent. You emerged from the mysterious device known as the Apparatus, your body a lifeless shell and your past a mystery.

Mind Crystal

Magic Items Phandelver and Below: The Shattered Obelisk

saving throw it makes against the spell. Mind Crystal (Quickened);Quickened (Rare). You change the spell’s casting time to 1 bonus action for this casting. Mind Crystal (Subtle);Subtle (Common). You cast the spell without any somatic or verbal components for this casting.

These gemstones contain a crystallized bit of spellcasting magic. Different types of mind crystals exist, each with a different single-use effect. When you cast a spell that has a casting time of 1

Advanced Detention Drone

Monsters The Book of Many Things

planar travel to enter or exit the orb. As a bonus action, the drone can move the orb and its contents up to 30 feet in any direction. A successful casting of the Dispel Magic spell on the orb (DC 15

Far Gear

Magic Items Acquisitions Incorporated

While attuned to this device, you have a +1 bonus to Charisma saving throws, and you have advantage on Charisma (Intimidation) checks. Aberrant Ally. You can conjure an aberrant creature from the

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

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

Hag of the Fetid Gaze

Monsters Candlekeep Mysteries

magic, glyph of warding, slow 4th level (3 slots): blight, polymorph 5th level (2 slots): dominate person, seeming 6th level (1 slot): Otto's irresistible dance For casting these spells, each hag

is a 12th-level spellcaster that uses Intelligence as her spellcasting ability. The spell save DC is 13, and the spell attack bonus is +5;{"diceNotation":"1d20+5","rollType":"spell","rollAction

Shield Guardian Detention Drone

Monsters The Book of Many Things

travel to enter or exit the orb. As a bonus action, the drone can move the orb and its contents up to 30 feet in any direction. A successful casting of the Dispel Magic spell on the orb (DC 15) destroys

a +2 bonus to the wearer’s AC if the drone is within 5 feet of the wearer.Detention drones vary in size, strength, and shape, though most are shaped like some kind of mechanical animal or plant.Poison

Spell Scroll Legacy

Magic Items Basic Rules (2014)

, the scroll is unintelligible. Casting the spell by reading the scroll requires the spell’s normal casting time. Once the spell is cast, the scroll crumbles to dust. If the casting is interrupted

’s saving throw DC and attack bonus, as well as the scroll’s rarity, as shown in the following table. Spell Scroll Spell Level Rarity Save DC Attack Bonus Spell Scroll

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