bonus before device casting reverts

Simulacrum

Spells Player’s Handbook

You create a simulacrum of one Beast or Humanoid that is within 10 feet of you for the entire casting of the spell. You finish the casting by touching both the creature and a pile of ice or snow that

is the same size as that creature, and the pile turns into the simulacrum, which is a creature. It uses the game statistics of the original creature at the time of casting, except it is a Construct

Staff of the Adder

Magic Items Dungeon Master’s Guide

As a Bonus Action, you can turn the head of this staff into that of an animate, venomous snake for 1 minute or revert the staff to its inanimate form. When you take the Attack action, you can make

one of the attack rolls using the animated snake head, which has a reach of 5 feet. Apply your Proficiency Bonus and Wisdom modifier to the attack roll. On a hit, the target takes 1d6 Piercing damage

Staff of the Python

Magic Items Dungeon Master’s Guide

location. Absent commands from you, the snake defends itself. As a Bonus Action, you can command the snake to revert to staff form in its current space, and you can’t use the staff's property again

for 1 hour. If the snake is reduced to 0 Hit Points, it dies and reverts to its staff form; the staff then shatters and is destroyed. If the snake reverts to staff form before losing all its Hit Points, it regains all of them.

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

Animate Objects

Spells Player’s Handbook

Bonus Action to mentally command any creature you made with this spell if the creature is within 500 feet of you (if you control multiple creatures, you can command any of them at the same time, issuing

the same command to each one). If you issue no commands, the creature takes the Dodge action and moves only to avoid harm. When the creature drops to 0 Hit Points, it reverts to its object form, and

Staff of the Woodlands

Magic Items Dungeon Master’s Guide

This staff has 6 charges and can be wielded as a magic Quarterstaff that grants a +2 bonus to attack rolls and damage rolls made with it. While holding it, you have a +2 bonus to spell attack rolls

discerned with the Detect Magic spell. While touching the tree and using a Magic action, you return the staff to its normal form. Any creature in the tree falls when the tree reverts to a staff

Baba Yaga's Dancing Broom

Magic Items Dungeon Master’s Guide

. The broom then moves into an unoccupied space as close to you as possible. The broom acts immediately after you on your Initiative count and remains animate until you take a Bonus Action and use a

Hit Points, it shatters and is destroyed. If the broom reverts to its inanimate form before losing all its Hit Points it regains all of them.

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

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

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

humanoid, or back into her true form. Her statistics are the same in each form. Any equipment she is wearing or carrying isn't transformed. She reverts to her true form if she dies. Etherealness. The hag

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

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

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

Staff of the Python Legacy

Magic Items Basic Rules (2014)

initiative count. By using a bonus action to speak the command word again, you return the staff to its normal form in a space formerly occupied by the snake. On your turn, you can mentally command the

attack your enemies or guard a location. If the snake is reduced to 0 hit points, it dies and reverts to its staff form. The staff then shatters and is destroyed. If the snake reverts to staff form before losing all its hit points, it regains all of them.

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

Lizardfolk Shaman Legacy

Monsters Monster Manual (2014)

to 1 hour. It can revert to its true form as a bonus action. Its statistics, other than its size, are the same in each form. Any equipment it is wearing or carrying isn’t transformed. It reverts to its true form if it dies.

(escape DC 12). Until this grapple ends, the target is restrained, and the lizardfolk can’t bite another target. If the lizardfolk reverts to its true form, the grapple ends. Claws (Lizardfolk

Amble

Monsters Locathah Rising

their new form. Amble reverts to their true form if they die or fall unconscious. Amble can revert to their true form using a bonus action on their turn. Amble's game statistics are replaced by the

blocks the sphere. While within the sphere, Amble and their allies gain a +5 bonus to Dexterity (Stealth) and Wisdom (Perception) checks, and any light from open flames in the sphere isn’t

Staff of the Adder Legacy

Magic Items Dungeon Master’s Guide (2014)

You can use a bonus action to speak the staff's command word and make the head of the staff become that of an animate poisonous snake for 1 minute. By using another bonus action to speak the command

word again, you return the staff to its normal inanimate form. You can make a melee attack using the snake head, which has a reach of 5 feet. Your proficiency bonus applies to the attack roll. On a

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

Walnut Dankgrass

Monsters Acquisitions Incorporated

this form for 3 hours or until she reverts to her normal form as a bonus action. She automatically reverts if she falls unconscious, drops to 0 hit points, or dies. While transformed, Walnut's game

foliage, heavy rain, falling snow, mist, and other natural phenomena. Wild Shape (Recharges after a Short or Long rest). As a bonus action, Walnut can assume the shape of a dire wolf. She can stay in

Simulacrum Legacy

Spells Basic Rules (2014)

You shape an illusory duplicate of one beast or humanoid that is within range for the entire casting time of the spell. The duplicate is a creature, partially real and formed from ice or snow, and it

simulacrum lasts until it drops to 0 hit points, at which point it reverts to snow and melts instantly. If you cast this spell again, any duplicate you created with this spell is instantly destroyed.

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

Weretiger Legacy

Monsters Basic Rules (2014)

same in each form. Any equipment it is wearing or carrying isn't transformed. It reverts to its true form if it dies. Keen Hearing and Smell. The weretiger has advantage on Wisdom (Perception) checks

must succeed on a DC 14 Strength saving throw or be knocked prone. If the target is prone, the weretiger can make one bite attack against it as a bonus action.Multiattack (Humanoid or Hybrid Form

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

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