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Returning 35 results for 'mechanisms sensor with only again from for long'.
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Magic Items
Dungeon Master’s Guide
at dawn.
Coven Sensor. The Hag Eye is usually entrusted to a hag’s minion for safekeeping and transport. As a Magic action, a hag who belongs to the coven that created the Hag Eye can see what
the Hag Eye sees if the hag and the Hag Eye are on the same plane of existence. This effect lasts as long as the hag maintains Concentration. Multiple hags in the coven can see through the Hag Eye
Spells
Xanathar's Guide to Everything
is on the plane of existence you’re currently on. The sensor remains for as long as you concentrate, up to 10 minutes (as if you were concentrating on a spell). You receive visual and auditory
before the start of your next turn, it is lost.
Eyes of the Dead. You can use an action to name a place the humanoid saw in life, which creates an invisible sensor somewhere in that place if it
Monsters
Waterdeep: Dungeon of the Mad Mage
short or long rest. Halaster has the following wizard spells prepared:
Cantrips (at will): dancing lights, fire bolt, light, mage hand, prestidigitation
1st level (4 slots): mage armor, magic missile
is in Undermountain, the following effects can occur in any location within the dungeon or in any extraplanar extension of the dungeon:
A magical scrying sensor appears, taking the form of a
Monsters
Van Richten’s Guide to Ravenloft
with snakes for eyes or a drowned giant that resembles an estranged parent. Mist horrors can’t persist for long outside the Mists: after 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction
"}
Body
1
Unspeakable Horror (Aberrant Armor);Aberrant Armor. The horror’s body is armored in petrified wood, alien crystal, rusted mechanisms, sculpted stone, or an exoskeleton.
2
Monsters
Van Richten’s Guide to Ravenloft
that combines multiple fears when it encounters a group, like a wolf with snakes for eyes or a drowned giant that resembles an estranged parent. Mist horrors can’t persist for long outside the
crystal, rusted mechanisms, sculpted stone, or an exoskeleton.
2
Unspeakable Horror (Loathsome Limbs);Loathsome Limbs. The horror’s body boasts spider like legs, many-jointed appendages
Monsters
Van Richten’s Guide to Ravenloft
group, like a wolf with snakes for eyes or a drowned giant that resembles an estranged parent. Mist horrors can’t persist for long outside the Mists: after 1d4;{"diceNotation":"1d4","rollType
":"Body Composition"}
Body
1
Unspeakable Horror (Aberrant Armor);Aberrant Armor. The horror’s body is armored in petrified wood, alien crystal, rusted mechanisms, sculpted stone, or an
Monsters
Van Richten’s Guide to Ravenloft
can’t persist for long outside the Mists: after 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Mist Horror"} rounds outside the Mists, they lose cohesion and collapse back into
body is armored in petrified wood, alien crystal, rusted mechanisms, sculpted stone, or an exoskeleton.
2
Unspeakable Horror (Loathsome Limbs);Loathsome Limbs. The horror’s body boasts
Monsters
Van Richten’s Guide to Ravenloft
wolf with snakes for eyes or a drowned giant that resembles an estranged parent. Mist horrors can’t persist for long outside the Mists: after 1d4;{"diceNotation":"1d4","rollType":"roll
Composition"}
Body
1
Unspeakable Horror (Aberrant Armor);Aberrant Armor. The horror’s body is armored in petrified wood, alien crystal, rusted mechanisms, sculpted stone, or an exoskeleton
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
you’re currently on. The sensor remains for as long as you concentrate, up to 10 minutes (as if you were concentrating on a spell). You receive visual and auditory information from the sensor as if
your next turn, it is lost. Eyes of the Dead. You can use an action to name a place the humanoid saw in life, which creates an invisible sensor somewhere in that place if it is on the plane of existence
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
1. Drawbridge The drawbridge is lowered when the party first arrives. It is 20 feet long, 10 feet wide, and made of sturdy oak planks. Iron chains bolted to the drawbridge connect to winch mechanisms
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
regains all expended charges daily at dawn. Coven Sensor. The Hag Eye is usually entrusted to a hag’s minion for safekeeping and transport. As a Magic action, a hag who belongs to the coven that created
the Hag Eye can see what the Hag Eye sees if the hag and the Hag Eye are on the same plane of existence. This effect lasts as long as the hag maintains Concentration. Multiple hags in the coven can see
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
elevator links areas X6, X13, and X22, and the other links areas X12, X15, and X30. An elevator can be disabled in any location where its wheel mechanisms are exposed (as shown on map 3.1).
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
deposit their recipients in area 57. Spells that normally allow one to pass through stone fail, and divination spells cast within the tomb provide false readings. Spells designed to communicate over long
. Banishment Same as banishing smite. Clairvoyance This spell fails if the sensor is meant to appear inside the tomb. Commune This spell returns no answer if cast in the tomb. Dimension door Same as
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
characters encounter one of Halaster’s scrying eyes (see “Halaster’s Lair”) in this otherwise empty cave. The scrying sensor watches them until they leave, then disappears. 20b. Poisoned Miners Three
empty water skins, a shattered wooden ale cask, and a 20-foot-long coil of hempen rope too old to be of much use. 20d. Empty Room Dwarves dug through the south wall of this room, hoping to find rich
Compendium
- Sources->Dungeons & Dragons->Dragon Delves
light emanates from three glass domes attached to the ceiling above a five-foot-wide, twenty-foot-long plant bed overflowing with rotting vegetation.
Closer inspection of the plant bed reveals two
a 10-foot gap. A creature that tries and fails to jump the gap falls 10 feet into area S3. S17: Collapsed Balcony A 15-foot-long stretch of balcony has collapsed here. A creature that tries and fails
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
clairvoyance spell, without using a spell slot or material components. Rather than creating a spherical sensor, this use of clairvoyance invisibly summons one of your ancestral spirits to the chosen
location. Wisdom is your spellcasting ability for these spells. After you cast either spell in this way, you can’t use this feature again until you finish a short or long rest. Vengeful Ancestors At 14th
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dragon Heist
eyestalk (scrying sensor) protruding from the ceiling directly in front of the double door to the south. A secret door is hidden in the west wall. Blinking Eyes. The blinking eye carvings are slightly
unnerving but harmless. Scrying Sensor. The ghostly eyestalk is a magical sensor that allows one of the apprentice wizards in area X16 to monitor this hall. The eyestalk functions as an extra eye with
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation Supplement
18. Treasury When characters peer into this area from area 17, read: Beyond the double door is a twenty-foot-wide, twenty-foot-long hallway leading to a dark, pillared chamber strewn with chests
, crates, and other containers. Everything is covered with dust, but not enough to conceal the broken bones and weapons lying on the hallway floor.
The remains on the floor belong to a pair of long-dead
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
feet high (11 feet above the dais and ledges). The chains dangling from the ceiling are 8 feet long; the cultists would shackle prisoners to the chains, dangle them above the altar, cut them open with
knives, and allow the altar to be bathed in blood. Half embedded in the east wall is a wooden wheel connected to hidden chains and mechanisms. A character can use an action to turn the wheel, raising
Compendium
- Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything
and you expend a spell slot of 1st level or higher. The defender returns to life after 1 minute with all its hit points restored. At the end of a long rest, you can create a new steel defender if you
, reach 5 ft., one target you can see. Hit: 1d8 + PB force damage.
Repair (3/Day). The magical mechanisms inside the defender restore 2d8 + PB hit points to itself or to one construct or object within 5
Compendium
- Sources->Dungeons & Dragons->Eberron: Rising from the Last War
you expend a spell slot of 1st level or higher. The steel defender returns to life after 1 minute with all its hit points restored. At the end of a long rest, you can create a new steel defender if
, reach 5 ft., one target you can see. Hit: 1d8 + PB force damage.
Repair (3/Day). The magical mechanisms inside the defender restore 2d8 + PB hit points to itself or to one construct or object within
Compendium
- Sources->Dungeons & Dragons->Eberron: Rising from the Last War
roofs, or domes that open with the aid of great mechanisms to allow an unobstructed view of the night sky, since the movements of Eberron’s moons are thought to correspond to the shifting
acquiring knowledge and opposing the Lords of Dust can make the dragons suitable as allies, their devotion to their long-term interests can blind them to the short-term impact of their actions. Chamber
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
determine whether anyone in the party notices the trap in passing. If the adventurers detect a trap before triggering it, they might be able to disarm it, either permanently or long enough to move past it
shield. Traps are often designed with mechanisms that allow them to be disarmed or bypassed. Intelligent monsters that place traps in or around their lairs need ways to get past those traps without
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
determine whether anyone in the party notices the trap in passing. If the adventurers detect a trap before triggering it, they might be able to disarm it, either permanently or long enough to move past
the shield. Traps are often designed with mechanisms that allow them to be disarmed or bypassed. Intelligent monsters that place traps in or around their lairs need ways to get past those traps without
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
. Furniture is typically twice as high, long, and wide as its human-sized equivalent and roughly eight times the weight. Small and Medium creatures can scuttle under and clamber over giant-sized furniture
, treating the spaces they occupy as difficult terrain.
Portcullises. None of the portcullises in Ironslag have mechanical winches or other lifting mechanisms. They must be lifted manually. Any creature
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
disrepair. A character who inspects the lift and succeeds on a DC 10 Intelligence (Investigation) check uncovers the lift’s broken mechanisms as well as its former power source: a dull and cracked shard
1st level or higher. The mechanisms in turn can be repaired with a successful DC 16 Intelligence (Arcana) check; if the character has proficiency with tinker’s tools, this check is made with advantage
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dragon Heist
world!”
The shop is named after the stuffed beholder in the window — a fixture that is actually a magical sensor, through which Xanathar can peer whenever it wishes. The shopkeeper is a wizened deep
gets them to open up. Floon’s Fate. Several of the regulars remember seeing Volo and Floon drinking together a couple of nights ago. After Volo left, Floon stuck around long enough to meet with another
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
seal off the castle. The gatehouse (area C6) holds the mechanisms that raise and lower the portcullises as well as open and close both sets of doors. Knock spells and similar magic can bypass these
into place or retract it. This once-grand hall is dimly lit by chandeliers that are missing most of their candles. Three long tables in the center of the hall are littered with dirty dishes, which a
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
“ssussun,” a drow word meaning “light.” When the characters first gaze upon the ledge, read the following boxed text to the players. An elf with long red hair and a backpack sits on a ledge
of monsters, but the Zhents have installed trip wires and pressure plates at irregular intervals. These are triggering mechanisms for collapsing roofs, poison darts, and rolling spheres (see “Sample
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
. Mist horrors can’t persist for long outside the Mists: after 1d4 rounds outside the Mists, they lose cohesion and collapse back into harmless vapor. Body Composition d4 Body
1 Aberrant
Armor. The horror’s body is armored in petrified wood, alien crystal, rusted mechanisms, sculpted stone, or an exoskeleton.
2 Loathsome Limbs. The horror’s body boasts spiderlike legs, many
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
punt is moored here. The punt is a long, flat-bottomed boat equipped with a pole for navigation through the water node. This punt can accommodate up to seven Medium creatures. As part of its movement
P14, and area P16). The globe has a flying speed of 10 feet, and a creature contained within gains the benefit of a water breathing spell for as long as it remains in the globe. Any time during the
Compendium
- Sources->Dungeons & Dragons->Keys from the Golden Vault
guest room for a trice. But pine not! I expect he’ll rejoin us before long.”
Oren senses trouble between Lord and Lady Adulare, but he won’t pry into their affairs, and he gently discourages other
Frost (5,000 gp). P7: Banquet Hall Two long, mahogany tables are piled high with sugared plums, decadent gingerbreads, and glazed meats. Two sprites flutter near them, encouraging guests to sample the
Compendium
- Sources->Dungeons & Dragons->The Book of Many Things
30 feet to a second floor that is even with the keep’s battlements. This upper room is filled with levers and pulleys that control the drawbridge and portcullis mechanisms. A creature can use an
Gremorly. Ritual Rod. Set into a metal tripod in the center of the room is a 3-foot-long metal rod decorated with runes and glowing with necromantic magic. The entire assembly weighs 8 pounds. This is one of
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
defensive post. Holger, a thug, commands the gatehouse. Three more bandits have bunks here. The chain mechanisms are easy to operate. A character has to use three actions to bar or unbar the gate, or to
raise or lower the portcullis. The bandits posted in this area operate the mechanisms to let people into or out of the castle. The stairs in this room descend to area K2. The doors lead out onto the wall
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
long-lost relics of Ostoria. They mean no harm to Waterdeep, but the city intrigues them, for they believe it was built on an old giant settlement that was destroyed by dragons tens of thousands of years
enclosed by a 20-foot-tall wall of mortared granite with wooden gates to the north and south along the road. A large two-story inn, also called the Way Inn, dominates the village and has long been a






