bonus before device constantly revert

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

Rod of Lordly Might

Magic Items Dungeon Master’s Guide

This rod has a flanged head, and it functions as a magic Mace that grants a +3 bonus to attack rolls and damage rolls made with it. The rod has properties associated with six different buttons that

are set in a row along the haft. It has three other properties as well, detailed below. Buttons. You can press one of the following buttons as a Bonus Action; a button’s effect lasts until you

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

Daern's Instant Fortress

Magic Items Dungeon Master’s Guide

the tower to revert to statuette form, which works only if the tower is empty. Each creature in the area where the tower appears is pushed to an unoccupied space outside but next to the tower. Objects

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

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

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

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.

Doric

Monsters Thieves’ Gallery

reverts to her true form if she is incapacitated or dies. She can revert to her true form using a bonus action. While Doric is transformed, her stat block is replaced by the stat block of that form

, except she keeps her current hit points, her hit point maximum, this bonus action, her alignment, and her Intelligence, Wisdom, and Charisma scores.

Harpy Matriarch

Monsters Ghosts of Saltmarsh

disguise itself to resemble a humanoid of roughly similar size and shape for up to 1 hour. It can revert to its true form as a bonus action. This illusion does not hold up to close scrutiny. Luring Song

. The matriarch must take a bonus action on its subsequent turns to continue singing. It can stop singing at any time. The song ends if the matriarch is incapacitated. While charmed by the matriarch, a

Shapechange Legacy

Spells Basic Rules (2014)

addition to gaining those of the creature. If the creature has the same proficiency as you and the bonus listed in its statistics is higher than yours, use the creature's bonus in place of yours. You

can't use any legendary actions or lair actions of the new form. You assume the hit points and Hit Dice of the new form. When you revert to your normal form, you return to the number of hit points you

Archdruid

Monsters Mordenkainen Presents: Monsters of the Multiverse

new form. The archdruid reverts to its true form if it dies or falls unconscious. The archdruid can revert to its true form using a bonus action. While in a new form, the archdruid’s stat block

is replaced by the stat block of that form, except the archdruid keeps its current hit points, its hit point maximum, this bonus action, its languages and ability to speak, and its Spellcasting action

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

Archdruid Legacy

Monsters Volo's Guide to Monsters

form. The archdruid reverts to its true form if it dies or falls unconscious. The archdruid can revert to its true form using a bonus action on its turn. While in a new form, the archdruid retains its

Wyllow

Monsters Waterdeep: Dungeon of the Mad Mage

falls to the ground, melds with her new form, or is worn by the new form. Wyllow reverts to her true form if she dies or falls unconscious. Wyllow can revert to her true form using a bonus action on her

Drow Arachnomancer Legacy

Monsters Mordenkainen’s Tome of Foes

Change Shape (Recharges after a Short or Long Rest). The drow can use a bonus action to magically polymorph into a giant spider, remaining in that form for up 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. It can speak and cast spells while in giant spider form. Any equipment it is wearing or carrying in humanoid form

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

High Fae Impostor

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

transformation ends if the high fae is reduced to 0 hit points, uses this bonus action again, or uses a bonus action to revert to its true form.

Girallon

Monsters Mordenkainen Presents: Monsters of the Multiverse

keep a girallon must always be wary, however, because the creature could revert to its predatory nature at any time.Aggressive. As a bonus action, the girallon can move up to its speed toward a hostile creature that it can see.

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

Vampire Warrior Legacy

Monsters Monster Manual (2014)

falling unconscious, provided that it isn't in sunlight or running water. If it can't transform, it is destroyed. While it has 0 hit points in mist form, it can't revert to its vampire form, and it must

or until the vampire is destroyed, is on a different plane of existence than the target, or takes a bonus action to end the effect. Children of the Night (1/Day). The vampire magically calls 2d4

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

Warrior's Passkey

Magic Items The Book of Many Things

1d10 force damage. The item remains in its sword form until it leaves your grasp or you use another bonus action to revert it to its key form. If you end your attunement to the item while it’s in its sword form, it automatically reverts to its key form.

use a bonus action to transform it into a magic longsword. You are considered proficient with the sword, and you have a +1 bonus to attack and damage rolls made with it. On a hit, the sword deals

Rod of Lordly Might Legacy

Magic Items Basic Rules (2014)

This rod has a flanged head, and it functions as a magic mace that grants a +3 bonus to attack and damage rolls made with it. The rod has properties associated with six different buttons that are set

in a row along the haft. It has three other properties as well, detailed below. Six Buttons. You can press one of the rod's six buttons as a bonus action. A button's effect lasts until you push a

Vampire Legacy

Monsters Basic Rules (2014)

can’t revert to its vampire form, and it must reach its resting place within 2 hours or be destroyed. Once in its resting place, it reverts to its vampire form. It is then paralyzed until it

, or takes a bonus action to end the effect. Children of the Night (1/Day). The vampire magically calls 2d4;{"diceNotation":"2d4","rollType":"roll","rollAction":"Children of the Night"} swarm of bats

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

falling unconscious, provided that it isn't in sunlight or running water. If it can't transform, it is destroyed. While it has 0 hit points in mist form, it can't revert to its vampire form, and it must

vampire is destroyed, is on a different plane of existence than the target, or takes a bonus action to end the effect. Children of the Night (1/Day). The vampire magically calls 2d4;{"diceNotation":"2d4

Obviator's Lenses

Magic Items Acquisitions Incorporated

Also at rank 2, you gain the use of an uncommon magic item taking the form of a pair of spectacles, a spyglass, a monocle, or any other device with one or two lenses. When you look through the

obviator’s lenses, you use a bonus action to make them function as eyes of minute seeing or eyes of the eagle. Once you make this choice, it cannot be changed until the next dawn. Enhanced Lenses At

King Hekaton

Monsters Storm King's Thunder

target. Hit: 16 (3d10);{"diceNotation":"3d10","rollType":"damage","rollAction":"Shipboard Ballista","rollDamageType":"piercing"} piercing damage (heavy, loading, two-handed). Sway ship. As a bonus

;t answer prayers, and his divine offspring — the lesser giant gods — were out of touch, constantly waging war against one another on the Outer Planes. Hekaton came to believe that the giants were no longer the rightful masters of the world.Lightning, ThunderCold

Dimensional Loop

Magic Items Acquisitions Incorporated

While attuned to this device, you have a +1 bonus to Strength saving throws, and you have darkvision out to a range of 60 feet. If you already have darkvision, its range increases by 30 feet

. Dimensional Cloak. As a bonus action, you send your body out of phase with the material world for 1 minute, granting you advantage on Dexterity (Stealth) checks made to hide, and imposing disadvantage on

Rotor of Return

Magic Items Acquisitions Incorporated

While attuned to this device, you have a +1 bonus to Constitution saving throws. You periodically receive flashbacks of old memories, and you can unerringly recall any event that took place within

, it cannot be used again until the next dawn. Recall Code. As an action, you can set your current location as a point of return locked to the rotor. Anytime thereafter, you can use a bonus action to

Keresta Delvingstone

Monsters Waterdeep: Dungeon of the Mad Mage

unconscious, provided that she isn't in sunlight or running water. If she can't transform, she is destroyed. While she has 0 hit points in mist form, she can't revert to her vampire form, and she must reach

the target, or takes a bonus action to end the effect. Children of the Night (1/Day). Keresta magically calls 2d4;{"diceNotation":"2d4","rollType":"roll","rollAction":"Children of the Night"} swarm

Rosie Beestinger

Monsters Acquisitions Incorporated

can't use this trait if she's incapacitated. Shadow Step. When Rosie is in dim light or darkness, she can use a bonus action to teleport 60 feet to an unoccupied space she can see that is also in dim

endless movements and intricate patterns of the sky. However, the Beestinger clan has a less metaphysical reputation in the eyes of many people, as constantly swirling rumors attempt to connect the

Smiler the Defiler

Monsters Baldur’s Gate: Descent into Avernus

Fey Step (Recharge 4–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Fey Step"}. As a bonus action, Smiler can teleport up to 30 feet to an unoccupied space that he can see or to the

has an unnerving smile — hence his name. A more apt name for this eladrin would be Smiler the Beguiler, as he’s constantly trying to intoxicate others with his relentless optimism and

Duergar Mind Master

Monsters Mordenkainen Presents: Monsters of the Multiverse

works of grand but melancholic beauty, while in others, it manifests as rage. Like many who dwell in the Underdark, duergar must constantly be on guard against the raids and plots of their neighbors. To

carrying. While reduced, the duergar is Tiny, reduces its weapon damage to 1, and makes attack rolls, ability checks, and saving throws with disadvantage if they use Strength. It gains a +5 bonus to all

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

, provided that it isn't in sunlight or running water. If he can't transform, he is destroyed. While he has 0 hit points in mist form, he can't revert to his vampire form, and he must reach his resting place

saving throw, ending the effect on itself on a success. Otherwise, the effect lasts 24 hours or until Zorak is destroyed, is on a different plane of existence than the target, or takes a bonus action

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