before base device check reverts

Control Water

Spells Player’s Handbook

lasts until you choose a different effect or the spell ends. The whirlpool is 5 feet wide at the base, up to 50 feet wide at the top, and 25 feet tall. Any creature in the water and within 25 feet of

takes 2d8 Bludgeoning damage. On a successful save, the creature takes half as much damage. A creature can swim away from the whirlpool only if it first takes an action to pull away and succeeds on a Strength (Athletics) check against your spell save DC.

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

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

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

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

Yochlol Legacy

Monsters Monster Manual (2014)

it is wearing or carrying isn’t transformed. It reverts to its true form if it dies. Magic Resistance. The yochlol has advantage on saving throws against spells and other magical effects

. 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)

it is wearing or carrying isn’t transformed. It reverts to its true form if it dies. Magic Resistance. The yochlol has advantage on saving throws against spells and other magical effects

. 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

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

Nonaton Modron

Monsters Planescape: Adventures in the Multiverse

":"6d6", "rollType":"damage", "rollAction":"Pillar of Truth", "rollDamageType":"force"} force damage, and the creature reverts to its original form (if it’s in a different form) and can’t

modrons are the lower-ranked base modrons—monodrone;monodrones, duodrone;duodrones, tridrone;tridrones, quadrone;quadrones, and pentadrone;pentadrones—the upper-tier hierarch modrons hold

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

Hag of the Fetid Gaze

Monsters Candlekeep Mysteries

imitations with a successful DC 14 Wisdom (Insight) check. Shared Spellcasting. While all three members of the Fetid Gaze are within 30 feet of one another, they can each cast the following spells from

succeed on a DC 20 Intelligence (Investigation) check to discern that the hag is disguised. Invisible Passage. The hag magically turns invisible until she attacks or casts a spell, or until her

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.

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

Sahuagin Wave Shaper

Monsters Ghosts of Saltmarsh

at least 50 feet square and 25 feet deep, causing a whirlpool to form in the center of the area. The whirlpool forms a vortex that is 5 feet wide at the base, up to 50 feet wide at the top, 25 feet

vortex by succeeding on a DC 14 Strength (Athletics) check. When a creature enters the vortex for the first time on a turn or starts its turn there, it must make a DC 14 Strength saving throw. On a

Hexton Modron

Monsters Planescape: Adventures in the Multiverse

spell. If the spell is 3rd level or lower, it fails and has no effect. If the spell is 4th level or higher, the hexton makes an Intelligence check (DC 10 + the spell’s level). On a success, the

base modrons—monodrone;monodrones, duodrone;duodrones, tridrone;tridrones, quadrone;quadrones, and pentadrone;pentadrones—the upper-tier hierarch modrons hold leadership positions

Ancient Silver Dragon Legacy

Monsters Basic Rules (2014)

true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its alignment

) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC 25 Dexterity saving throw

Ancient Bronze Dragon Legacy

Monsters Basic Rules (2014)

into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its

(Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC 24 Dexterity saving

Adult Silver Dragon Legacy

Monsters Basic Rules (2014)

. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its alignment, hit

option can be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check

Adult Bronze Dragon Legacy

Monsters Basic Rules (2014)

its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its

) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats its wings. Each creature within 10 feet of the dragon must succeed on a DC 20 Dexterity saving

Drow Arachnomancer

Monsters Mordenkainen Presents: Monsters of the Multiverse

on ceilings, without needing to make an ability check. Sunlight Sensitivity. While in sunlight, the drow has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight

", "rollType":"to hit", "rollAction":"Web"} to hit, range 30/60 ft., one target. Hit: The target is restrained by webbing. As an action, the restrained target can make a DC 15 Strength check, bursting the

Drow Arachnomancer Legacy

Monsters Mordenkainen’s Tome of Foes

melds into the giant spider form. It can't activate, use, wield, or otherwise benefit from any of its equipment. It reverts to its humanoid form if it dies. Fey Ancestry. The drow has advantage on

. The drow can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Sunlight Sensitivity. While in sunlight, the drow has disadvantage on attack rolls

Staff of Ruling

Magic Items Quests from the Infinite Staircase

lightning damage equal to the total accumulated damage on a failed save, or half as much damage on a successful one; the orb’s base damage is 6d6, and if at the end of your turn the orb hasn

location. If you use a bonus action to speak the command word again, or if the snake is reduced to 0 hit points, the snake reverts to staff form in its current space. Thunderclap. You point the

Gray Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

is wearing or carrying isn’t transformed. It reverts to its true form if it dies. Innate Spellcasting. The slaad’s innate spellcasting ability is Charisma (spell save DC 14). The slaad can

uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollDamageType":"psychic"} psychic damage to the

Death Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

is wearing or carrying isn't transformed. It reverts to its true form if it dies. Innate Spellcasting. The slaad's innate spellcasting ability is Charisma (spell save DC 15, +7;{"diceNotation":"1d20+7

from an incapacitated slaad. Each try requires 1 minute of uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10","rollType

Green Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

is wearing or carrying isn't transformed. It reverts to its true form if it dies. Innate Spellcasting. The slaad's innate spellcasting ability is Charisma (spell save DC 12). The slaad can innately

slaad. Each try requires 1 minute of uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollDamageType

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is

regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed

spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats

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

Ancient Brass Dragon Legacy

Monsters Basic Rules (2014)

reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its alignment, hit points, Hit

be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail

Vampire Warrior Legacy

Monsters Monster Manual (2014)

it is carrying does. It reverts to its true form if it dies. While in mist form, the vampire can't take any actions, speak, or manipulate objects. It is weightless, has a flying speed of 20 feet, can

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 regains at least 1 hit point. After spending 1 hour in

Vampire Legacy

Monsters Basic Rules (2014)

, but nothing it is carrying does. It reverts to its true form if it dies. While in mist form, the vampire can’t take any actions, speak, or manipulate objects. It is weightless, has a flying

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

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

it is carrying does. It reverts to its true form if it dies. While in mist form, the vampire can't take any actions, speak, or manipulate objects. It is weightless, has a flying speed of 20 feet, can

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 regains at least 1 hit point. After spending 1 hour in

Stalagma Steelshadow

Monsters Waterdeep: Dungeon of the Mad Mage

its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its

) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats its wings. Each creature within 10 feet of the dragon must succeed on a DC 21 Dexterity saving

Control Water Legacy

Spells Basic Rules (2014)

. This effect requires a body of water at least 50 feet square and 25 feet deep. You cause a whirlpool to form in the center of the area. The whirlpool forms a vortex that is 5 feet wide at the base

Strength (Athletics) check against your spell save DC. When a creature enters the vortex for the first time on a turn or starts its turn there, it must make a Strength saving throw. On a failed save

Ancient Copper Dragon Legacy

Monsters Basic Rules (2014)

its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the

makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC

Umbraxakar

Monsters Waterdeep: Dungeon of the Mad Mage

reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice). In a new form, the dragon retains its alignment, hit points, Hit

be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail

Wereraven

Monsters Curse of Strahd

successful DC 10 Wisdom (Insight) check. Regeneration. The wereraven regains 10 hit points at the start of its turn. If the wereraven takes damage from a silvered weapon or a spell, this trait

or carrying isn’t transformed. It reverts to its humanoid form if it dies.Wereravens are secretive and extraordinarily cautious lycanthropes that trust one another but are wary of just about

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