mechanical some with only across for for lasts

Flaming Sphere

Spells Player’s Handbook

You create a 5-foot-diameter sphere of fire in an unoccupied space on the ground within range. It lasts for the duration. Any creature that ends its turn within 5 feet of the sphere makes a Dexterity

feet tall and jump it across pits up to 10 feet wide. Flammable objects that aren’t being worn or carried start burning if touched by the sphere, and it sheds Bright Light in a 20-foot radius and

Control Water

Spells Player’s Handbook

, the wave repeats on the start of your next turn while the flood effect lasts. Part Water. You part water in the area and create a trench. The trench extends across the spell’s area, and the

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

Dodecahedron of Doom

Magic Items Waterdeep: Dungeon of the Mad Mage

This twelve-sided metal die is 12 inches across and bears the numbers 1 through 12 engraved on its pentagonal sides. The dodecahedron contains arcane clockwork mechanisms that whir and

click whenever the die is cast. The dodecahedron can be hurled up to 60 feet as an action. A random magical effect occurs when the die comes to rest after rolling across the ground for at least

Blade Scout

Monsters Vecna: Eve of Ruin

);{"diceNotation":"1d8+5", "rollType":"damage", "rollAction":"Bolt Launcher", "rollDamageType":"piercing"} piercing damage. Snare Trap (1/Day). The scout deploys a Tiny mechanical trap on a solid surface within

5 feet of itself. The trap is hidden, requiring a successful DC 17 Intelligence (Investigation) check to find. The trap lasts for 1 minute. Whenever an enemy enters a space within 10 feet of the trap

Cube of Force Legacy

Magic Items Basic Rules (2014)

This cube is about an inch across. Each face has a distinct marking on it that can be pressed. The cube starts with 36 charges, and it regains 1d20 expended charges daily at dawn. You can use an

charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier is centered on you, moves with you, and lasts for 1

Flaming Sphere Legacy

Spells Basic Rules (2014)

A 5-foot-diameter sphere of fire appears in an unoccupied space of your choice within range and lasts for the duration. Any creature that ends its turn within 5 feet of the sphere must make a

and jump it across pits up to 10 feet wide. The sphere ignites flammable objects not being worn or carried, and it sheds bright light in a 20-foot radius and dim light for an additional 20 feet. At

Warforged Colossus

Monsters Eberron: Rising from the Last War

unleashed its mightiest creations: the warforged colossi. These enormous mechanical warriors thundered across Cyre, crushing everything in their paths and leaving ruin behind them. Meant to end the war

otherwise intact. “Karrnslayer” (Colossus WX-31) lost its legs but crawls through the Mournland, using its arms to drag its great bulk across the ground. It is always prone and can’t

Sword of the Planes

Magic Items The Book of Many Things

feet wide, and it lasts for 1 minute. Once this property is used, it can’t be used again until the next dawn. You can specify a target destination, such as the City of Brass on the Elemental

example, the rift might appear on the Street of Steel, before the Gate of Ashes, or facing the city from across the Sea of Fire, at the DM’s discretion. Anything that enters the rift is instantly transported to the other plane, appearing in the unoccupied space nearest to the rift.

Dybbuk

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"Tentacle"}. This reduction lasts until the target finishes a short or long rest. The target dies if its hit point maximum is reduced to 0. Possess Corpse (Recharge 6);{"diceNotation":"1d6

points. While possessing the corpse, the dybbuk adopts the corpse’s size and can’t use Incorporeal Movement. Its game statistics otherwise remain the same. The possession lasts until the

Starlight Apparition

Monsters Spelljammer: Adventures in Space

spectral copy of itself across a vast distance with the help of a deity or another powerful celestial entity. The apparition lasts only as long as its services are needed to complete the task at hand

charmed and frightened. It otherwise uses the possessed target’s statistics, but doesn’t gain access to the target’s knowledge, class features, or proficiencies. The possession lasts

Star Lancer

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

":"piercing"} piercing damage. Invisibility Cloak (3/Day). The star lancer and one creature riding it (chosen by the star lancer) magically turn invisible. This effect lasts until the star lancer or a

tail. Its head bears a sharp protuberance that the creature uses to impale enemies. Githyanki are fond of using star lancers as mounts, riding them across the Astral Sea in small flocks. A star lancer

Ebondeath

Monsters Divine Contention

, including gaining access to the target's knowledge, class features, and proficiencies. The possession lasts until the body drops to 0 hit points, Ebondeath ends it as a bonus action, or Ebondeath is turned or

Dead Men, making his lair in the ruined citadel of Uthtower. Ebondeath became a dracolich and was worshiped by the Cult of the Dragon until the death god Myrkul's influence waned across Faerûn and the

Alustriel Silverhand

Monsters Vecna: Eve of Ruin

fails.Lady Alustriel Silverhand, called the Shining Lady, has been an influential wizard and proponent of good across Toril for centuries. Alustriel is one of the Seven Sisters—immortal daughters

good. She has traveled far and established safe houses across the planes—such as her sanctum in the city of Sigil. Alustriel doesn’t seek personal glory or wealth; her style of influencing

Dunbarrow Witch

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

":"Polymorph Concoction"}): 1, bat; 2, frog; 3, lizard; or 4, rat. This transformation lasts for 1 hour or until the creature drops to 0 hit points in its new form. Shattered Shards. The witch targets a

or otters scurrying through the undergrowth, to deliver messages to allies or rivals across the marsh. Some witches animate bundles of sticks and roots to do their errands about the marsh for them

Ancient White Dragon Legacy

Monsters Basic Rules (2014)

Ice Walk. The dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, difficult terrain composed of ice or snow doesn't cost it extra movement

":"cold"} cold damage. A wind of at least 20 miles per hour disperses the fog. The fog otherwise lasts until the dragon uses this lair action again or until the dragon dies. Jagged ice shards fall from the

Yeenoghu Legacy

Monsters Out of the Abyss

, towering 14 feet tall. Yeenoghu is the Gnoll Lord, and his creations are made in his twisted image. When the demon lord hunted across the Material Plane, packs of hyena;hyenas followed in his wake

madness, which is a character flaw that lasts until cured. See the Dungeon Master’s Guide for more on madness. Madness of Yeenoghu d100 Flaw (lasts until cured) 01–20

Adult White Dragon Legacy

Monsters Basic Rules (2014)

Ice Walk. The dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, difficult terrain composed of ice or snow doesn't cost it extra movement

"} cold damage. A wind of at least 20 miles per hour disperses the fog. The fog otherwise lasts until the dragon uses this lair action again or until the dragon dies. Jagged ice shards fall from the

Control Water Legacy

Spells Basic Rules (2014)

. The water level remains elevated until the spell ends or you choose a different effect. If this effect produced a wave, the wave repeats on the start of your next turn while the flood effect lasts

. Part Water. You cause water in the area to move apart and create a trench. The trench extends across the spell's area, and the separated water forms a wall to either side. The trench remains until the

Nafas

Monsters Quests from the Infinite Staircase

lasts as long as Nafas maintains concentration (as if concentrating on a spell). When the vortex appears, each creature other than Nafas in the vortex’s area must make a DC 22 Strength saving throw

to the extradimensional realm that created him. From the steps of the staircase, Nafas hears the wishes of creatures across the multiverse but cannot act on them. Moved by their stories but barred by

Darkweaver

Monsters Planescape: Adventures in the Multiverse

if the target is a creature, the target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest. The target

from across the planes experience reality. For them, the act of eating is an experience to be drawn out and savored, with every meal considered in all its facets. Whether its fare is a demon, an

Euryale

Monsters The Book of Many Things

cultivated around her home. However, should Asteria call for her aid, Euryale would venture across the multiverse without hesitation, battling tooth and nail to protect her sister. Euryale has the

lasts until the creature is freed by the Greater Restoration spell or other magic A creature can use its reaction, if available, to shut its eyes to avoid the saving throw. If the creature does so, it has the blinded condition until the end of its next turn.

Belashyrra

Monsters Eberron: Rising from the Last War

one level of exhaustion.Belashyrra makes its lair in the Citadel of Lidless Eyes deep in Khyber, a site that appears to have been molded from molten stone, chitin, and flesh. Across its warped and

a form of indefinite madness. Roll on the Madness of Belashyrra table to determine the nature of this madness, which takes the form of a character flaw that lasts until cured. Chapter 8 of the

Yan-C-Bin

Monsters Princes of the Apocalypse

lasts until initiative count 20 on the next round. The debris lightly obscures every creature and object in the area for the duration. All creatures in the area must succeed at a DC 24 Wisdom saving throw

touch. Gale force winds tear across the landscape in a 5-mile radius, whisking away small or light objects, dismantling roofs and fences, tearing branches from trees, and making flight impossible

Gnoll Vampire

Monsters Icewind Dale: Rime of the Frostmaiden

equal to the necrotic damage taken, and the vampire regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. the target dies if its hit point maximum is

tribes, the tribes banded together against the gnolls and routed them in the autumn of 1333 DR. Tekeli-li and his surviving kin fled across the tundra with the Reghed tribes in pursuit. The wounded

Healthy Competition

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

obstacles along the way, possibly inspiring the characters to do the same. Using the power of a mechanical guide might allow for the creation of particularly devious traps that can be set across space and

enhanced medusa for Lynx, or the brains in iron for Sir Ursas (see below for more information on both). Each expedition also has its own mechanical guide. You might use the members of the rival expedition

32. Guardroom

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

32. Guardroom Four lizardfolk renders are stationed here, assigned to watch over the gemsmith in area 31. Corridor The small corridor leading east across from the guardroom dead-ends at a point with

several natural fissures in the floor (leading to the underground lake below), and is used as a privy. Manipulating Time Having a mechanical guide spend 1 charge in this area causes the lizardfolk to

Ki-rin

Monsters Mordenkainen Presents: Monsters of the Multiverse

pledging service to the creature. They study under its tutelage in its lair and serve as its agents in the world. These followers might travel incognito across the land, seeking news of growing evil and

change in weather to persist. Pure Waters. Water flows pure within 3 miles of a ki-rin’s lair. Any purposeful corruption of the water lasts for no longer than 3 minutes. Realm of Respite. Curses

Updated Guides

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

Updated Guides As written, the mechanical guides can safely teleport the characters to and from the specific adventure locations. If it fits with your campaign, you might opt to allow teleportation

characters claim any missing components of the Infernal Machine, those components can be added to the mechanical guide, providing a +2 bonus to this check per component. You might decide that neither agent

E5: Planartarium Car

Compendium - Sources->Dungeons & Dragons->Keys from the Golden Vault

E5: Planartarium Car Glowing symbols on the floor line the perimeter of this domed car. In the middle of the car is a mechanical model suspended over a dais that has more glowing symbols on it. The

planes of existence by donating to this car. All proceeds benefit the establishment of order across the multiverse.” Before disappearing, the modron gestures toward a short tube protruding from the floor

Clock Tower Bridge

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

Clock Tower Bridge As the characters make their way toward Banrion’s lair, they come across the ruins of an old clock tower, which make an unusual and dangerous bridge. The trees part to reveal the

ruins of an ancient city. All that remains are worn flagstones covered in moss and lichen, toppled blocks of weathered stone, and a former tower fallen and now lying stretched across a fifty-foot-wide

Xardorok's Fortress

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

obscured by this smoky haze. Exposure to it is unhealthy; characters who take a long rest in a hazy location regain one fewer Hit Die than normal. A strong wind that lasts 1 minute or longer clears an

. The three levels of the fortress are connected by two mechanical elevators that are continually moving up and down their shafts, except for a 1-minute stop each time it arrives at a floor. One

Blade Scout

Compendium - Sources->Dungeons & Dragons->Vecna: Eve of Ruin

(1/Day). The scout deploys a Tiny mechanical trap on a solid surface within 5 feet of itself. The trap is hidden, requiring a successful DC 17 Intelligence (Investigation) check to find. The trap

lasts for 1 minute. Whenever an enemy enters a space within 10 feet of the trap or starts its turn there, it must succeed on a DC 16 Dexterity saving throw or take 21 (6d6) piercing damage and have the

17. Midden

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

area, a character must succeed on a DC 12 Constitution saving throw or become poisoned for 1 hour. Each character who moves across the floor must succeed on a DC 12 Dexterity check or fall prone at the

end of their move. If the check fails by 5 or more, the character slides 5 feet closer to the pit. Manipulating Time Having a mechanical guide spend 1 charge in this area causes a lizardfolk to appear

Waterdeep Dangers

Compendium - Sources->Dungeons & Dragons->Lost Laboratory of Kwalish

before the great magical statues can run amok. Alternatively, the grand parade of the Day of Wonders turns to deadly chaos when one of its inventive mechanical floats goes berserk and unleashes

destruction across the city. After stopping the threat, the characters learn that it was built based on a Kwalish design, and that other such designs might be used to build great engines of destruction. The

Chapter 7: Elemental Airships

Compendium - Sources->Dungeons & Dragons->Eberron: Forge of the Artificer

and in its wake, artificers across Khorvaire made many magical and mechanical advances—but none quite as impressive as the elemental airship. With its intricately carved soarwood hull and distinctive

D&D Beyond

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