before back device check reveal

Skulker

Feats Player’s Handbook

Blindsight with a range of 10 feet. Fog of War. You exploit the distractions of battle, gaining Advantage on any Dexterity (Stealth) check you make as part of the Hide action during combat. Sniper. If you

make an attack roll while hidden and the roll misses, making the attack roll doesn't reveal your location.

Yochlol

Monsters Monster Manual

Advantage on saving throws against spells and other magical effects. Spider Climb. The yochlol can climb difficult surfaces, including along ceilings, without needing to make an ability check. Web

-Shift. The yochlol shape-shifting;shape-shifts into a Medium Humanoid or a Medium spider or back into its true form. Its game statistics are the same in each form. Any equipment it is wearing or carrying isn’t transformed.

Energy Bow

Magic Items Dungeon Master’s Guide

You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon, which has no string. Each time you pull your arm back in a firing motion, a magical arrow made of golden energy

condition for 1 minute. As an action, a creature Restrained by an arrow can make a DC 20 Strength (Athletics) check to try to break the restraint, ending the effect on itself on a successful check

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

lore about demons. When you do so, you have Advantage on that check. At the DM’s discretion, the book might reveal secrets no mortal should know, such as the true names of powerful Fiends

cast that spell again from it until the next dawn. Vile Lore. You can reference the Book of Vile Darkness whenever you make an Intelligence check to recall information about some aspect of evil, such as

Apparatus of Kwalish

Magic Items Dungeon Master’s Guide

This item first appears to be a sealed iron barrel weighing 500 pounds. The barrel has a hidden catch, which can be found with a successful DC 20 Intelligence (Investigation) check. Releasing the

the apparatus’s levers up or down. After each use, a lever goes back to its neutral position. Each lever, from left to right, functions as shown in the Apparatus of Kwalish Levers table

Mobility Wonder

Magic Items Forgotten Realms: Adventures in Faerûn

While inactive, the mobility wonder 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 remains active for 24 hours. While active, the mobility wonder increases your Speed to 30 feet. Other creatures can’t remove your mobility wonder from you unless you allow it.

Jacko

Monsters Heroes of the Borderlands

Jacko’s appearance can make a DC 13 Intelligence (Investigation) check, discerning his disguise on a successful check.Multiattack. Jacko makes two Poison Dagger attacks. Poison Dagger. Melee or

customers parrot his cheesy slogan: “Jacko always has your back-o.”Cunning Action. Jacko takes the Dash, Disengage, or Hide action.

Aranea

Monsters Forgotten Realms: Adventures in Faerûn

Spider Climb (Hybrid or Spider Form Only). The aranea can climb difficult surfaces, including along ceilings, without needing to make an ability check. Web Walker. The aranea ignores movement

humanoid-spider hybrid form, or back into its true spider form. Its game statistics are the same in each form, except where noted. Any equipment it is wearing or carrying isn’t transformed.

Mechanical Wonder

Magic Items Forgotten Realms: Adventures in Faerûn

. Mobility Wonder (Common). While inactive, the mobility wonder 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 remains active for 24 hours. While active, the mobility wonder increases your Speed to 30 feet. Other creatures can’t remove your mobility wonder from you unless you allow it.

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

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

check it makes with a Musical Instrument or Tinker's Tools. Sprint. The wonder takes the Dash action. Gyrocopter Wonder (Rare). This wagon-sized vehicle is made of brassy metal and has a spiral-shaped

Mimir

Magic Items Planescape: Adventures in the Multiverse

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

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

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

Constructed Commoner

Monsters Candlekeep Mysteries

makes them look like flesh-and-blood people, and the constructs conduct themselves as convincingly real humanoids who are simply living their lives in Wisteria Vale. Detect magic spells do not reveal

conversations, a few clues to their true nature exist. A character who observes one or more of the commoners closely and succeeds on a DC 15 Wisdom (Perception) check notices a faint clicking sound

Noisemaker

Equipment

This small mechanical device is a specialty of gnomish crafters. As a Utilize action, you can throw the Noisemaker into a space within 60 feet. When it lands, it makes a loud noise of some kind

within 60 feet of the device when it goes off must succeed in a DC 10 Wisdom saving throw. On a failed save, the creature has the Frightened condition for one minute. As an Influence action, another

Gelatinous Cube (Giant Ooze variant)

Monsters Waterdeep: Dungeon of the Mad Mage

check, and the creature making the attempt takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType":"acid"} acid damage. The cube can hold up to nine Large creatures or up to thirty-six

Medium or smaller creatures inside it at a time. When the cube shrinks back to normal size, any creatures that it can no longer contain are expelled into unoccupied spaces around it. Transparent. Even

Gelatinous Cube Legacy

Monsters Basic Rules (2014)

check, and the creature making the attempt takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType":"acid"} acid damage. The cube can hold only one Large creature or up to four Medium

or smaller creatures inside it at a time. Transparent. Even when the cube is in plain sight, it takes a successful DC 15 Wisdom (Perception) check to spot a cube that has neither moved nor attacked

Horizon Puzzle Cube

Magic Items Bigby Presents: Glory of the Giants

work and a successful DC 25 Intelligence (Investigation) check. When the cube is solved, a 30-foot-diameter portal appears before the creature who solved the cube, leading to the northeastern platform

Horizon’s Edge, but a device somewhere in the demiplane allows a cube to function in reverse while the cube is fitted into it.

Phase Spider Legacy

Monsters Basic Rules (2014)

upside down on ceilings, without needing to make an ability check. Web Walker. The spider ignores movement restrictions caused by webbing.Bite. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType

poisoned in this way.A phase spider possesses the magical ability to phase in and out of the Ethereal Plane. It seems to appear out of nowhere and quickly vanishes after attacking. Its movement on the Ethereal Plane before coming back to the Material Plane makes it seem like it can teleport.

Grinning Cat

Monsters Bigby Presents: Glory of the Giants

—wanders by. While trading riddles or witticisms, a cat often decides to reveal its grin, its tail, or sometimes its whole head to confuse or intimidate the creature it’s talking to. A

grinning cat is slain, 2d12;{"diceNotation":"2d12", "rollType":"roll", "rollAction":"Whiskers"} of its whiskers can be retrieved for this purpose.Fade Back. The grinning cat becomes visible or makes part of

Cursed Luckstone

Magic Items Ghosts of Saltmarsh

This flat, gray-and-black river stone is inscribed with an unknown arcane symbol and feels cool to the touch. While carrying the stone, you can gain advantage on one ability check of your choice. The

remain cursed, you cannot discard the stone, which immediately teleports back into your pocket or pack. After you use the stone’s magic, your next two ability checks are made with disadvantage.

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

when a creature you can see within 60 feet of you makes an attack roll, saving throw, or ability check, you make that creature roll a d10 and add or subtract the number rolled (your choice) from the

Endelyn Moongrave

Monsters The Wild Beyond the Witchlight

deal. Endelyn’s obsession with tragedy and hopelessness extends to her own life; she has foreseen her own demise during a solar eclipse. In the depths of her castle, a lightning-powered device

” veil. The outermost layers of her dress open to reveal a marionette theatre, and she manipulates her puppets using an arrangement of artificial hands that nestles in the folds of fabric. She

Glabbagool

Monsters Out of the Abyss

check, and the creature making the attempt takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType":"acid"} acid damage. The cube can hold only one Large creature or up to four Medium or

smaller creatures inside it at a time. Transparent. Even when the cube is in plain sight, it takes a successful DC 15 Wisdom (Perception) check to spot a cube that has neither moved nor attacked. A

Project Image Legacy

Spells Basic Rules (2014)

, you can switch from using its senses to using your own, or back again. While you are using its senses, you are blinded and deafened in regard to your own surroundings. Physical interaction with the

(Investigation) check against your spell save DC. If a creature discerns the illusion for what it is, the creature can see through the image, and any noise it makes sounds hollow to the creature.

Lesser Star Spawn Emissary

Monsters Van Richten’s Guide to Ravenloft

damage. Change Shape. The emissary polymorphs into a Small or Medium creature of its choice or back into its true form. Its statistics, other than its size, are the same in each form. Any equipment it is

and just as readily appear as people, animals, or other creatures—the more unassuming, the better. Should it reveal its true form, an emissary appears as a roughly bipedal mass of agitated organs

Ruin Spider

Monsters The Book of Many Things

ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact location of any other creature in contact with the same web. Web Walker. The

the restrained condition. As an action, a restrained target can make a DC 13 Strength check, bursting the webbing on a successful check. The webbing can also be destroyed (AC 10; 5 hit points

Treant Sapling

Monsters The Wild Beyond the Witchlight

succeed on a DC 18 Intelligence (Investigation) check to discern that the treant is animate.Multiattack. The treant makes two Slam attacks. Slam. Melee Weapon Attack: +5;{"diceNotation":"1d20+5

dies, until the treant dies or is more than 120 feet from the tree, or until the treant takes a bonus action to turn it back into an inanimate tree. The tree then takes root if possible.Bludgeoning, PiercingFire

Yochlol Legacy

Monsters Monster Manual (2014)

Shapechanger. The yochlol can use its action to polymorph into a form that resembles a female drow or giant spider, or back into its true form. Its statistics are the same in each form. Any equipment

. Spider Climb. The yochlol can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Innate Spellcasting. The yochlol’s spellcasting ability is

Yochlol (Summoner Variant) Legacy

Monsters Monster Manual (2014)

Shapechanger. The yochlol can use its action to polymorph into a form that resembles a female drow or giant spider, or back into its true form. Its statistics are the same in each form. Any equipment

. Spider Climb. The yochlol can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Innate Spellcasting. The yochlol’s spellcasting ability is

Black Viper

Monsters Waterdeep: Dragon Heist

. When she throws back her cloak to reveal the costume she has put together, most folk toss their purses and flee. If that doesn't work, she usually needs only to draw her dagger. Of course, some of the

Archaic

Monsters Strixhaven: A Curriculum of Chaos

tangle, the answer they seek is revealed. In truth, archaics are the reincarnated souls of the oracles of Strixhaven. When an oracle dies, their soul travels back through time to the explosion of magic

. Because their knowledge cuts across the flow of time, archaics are careful how much they reveal to mortals and thus tend to speak in riddles.Poison, PsychicForce

Living Portent

Monsters The Book of Many Things

", "rollAction":"Prophetic Blessing"}, and it gains a prophecy die, a d8. Once during each of the creature’s turns, when it fails an ability check or saving throw or misses an attack roll, it can

minions to avert its own demise. Khirad, the Star of Secrets. A blue-white star whose gifts grant insight but also reveal terrible truths. Zhudun, the Corpse Star. A dead star that whispers of the

Mizzium Apparatus

Magic Items Guildmasters’ Guide to Ravnica

Innovation is a dangerous pursuit, at least the way the mages of the Izzet League engage in it. As protection against the risk of an experiment going awry, they have developed a device to help

slot to cast the spell as normal, but before resolving it you must make an Intelligence (Arcana) check. The DC is 10 + twice the level of the spell slot you expend to cast the spell. On a successful

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

conjecture than fact, often referring to otherworldly beings, the mysterious Barrier Peaks in Oerth, and the supposedly related device known as the Machine of Lum the Mad. The best details on the device

’s origins and operation can be found in the Mind of Metal, a tome of artificer’s secrets that connects the device to the traditions of the lost Olman people, and which was written by Lum the

Prisoner 13

Monsters Keys from the Golden Vault

tattoo across her back, filling a 20-foot-radius sphere centered on her. Each other creature in that area must make a DC 15 Dexterity saving throw. On a failed save, the creature takes 13 (3d8

in Dwarvish script on her neck and across her shoulder blades reads, “Endless dreams entombed in stone.” Flames. A roiling storm of brilliant flames covers her back and ribs. Shroud

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