before barrier device could reduce

Ashen Rider

Monsters Mythic Odysseys of Theros

spellcasting ability is Wisdom (spell save DC 18). The rider can innately cast the following spells, requiring no material components: At will: command, compelled duel 1/day each: banishment, blade barrier

Assault (Costs 2 Actions). The ashen rider makes an attack using its ashen blade or bolt of ash, and then its mount can use its reaction to make a melee weapon attack. Reduce to Ash (Costs 3 Actions). The

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

Random Obstacles

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

barrier to many characters but easily navigated by water-breathing creatures. Obstacles can affect more than one room. A chasm might run through several passages and chambers, or send cracks through

Obstacle 1 Antilife aura with a radius of 1d10 × 10 ft.; while in the aura, living creatures can’t regain hit points 2 Battering winds reduce speed by half, impose disadvantage on ranged attack rolls 3

1. Entrance

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

track or reaches its maximum speed of 60 feet. A cart stops if it hits a stopped cart or the iron guard barrier at either end of the track. Each cart weighs 300 pounds empty and is equipped with a

hand brake. A creature inside a cart or next to one can use its action to pull the hand brake to reduce the cart’s speed by up to 30 feet, bringing it to a stop if its speed drops to 0. Moving out of

Appendix D: Magic Items

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

. Some of these items might be experiments that Kwalish is working on, which can be made available to the characters if they return to the Barrier Peaks. Alternatively, if you’d like to make full use of

trinket, two successes to operate a force pike or a teleportation-field device, and four successes to operate Kwalish’s powered armor.

The Dispute

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

powered not by a Docent, but by a device called a graymatter engine that incorporated part of an artifact—perhaps that’s what you seek? The graymatter engine was said to generate a magical barrier

around Landro, making it impossible to enter Landro except where the barrier has already been broken.” If the characters negotiate a deal that the Turquoise Spear finds agreeable, Kalyth tells the party

M6. Prison Cells

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

automatically sliced open with an attack from an elder monk’s force pike. Characters who fall to the valley floor (area C4) from area C1 or area M9 are picked up by a floating teleportation-field device

Barrier Peaks if left to their own devices. Immured Ones. These three unfortunate prisoners have been driven mad by their incarceration and abuse. If freed, each attacks the nearest target unless a

Lorehold Scholars

Compendium - Sources->Dungeons & Dragons->Strixhaven: A Curriculum of Chaos

damage plus 9 (2d8) thunder damage. Reduce to Memory (Recharge 6). Thundering golden energy erupts around a creature the apprentice can see within 90 feet of it. The creature must make a DC 12

two Scroll Bash attacks. Scroll Bash. Melee Spell Attack: +5 to hit, reach 30 ft., one target. Hit: 8 (1d10 + 3) bludgeoning damage plus 9 (2d8) thunder damage. Reduce to Memory (Recharge 5–6

The Sea

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

A shipwreck is a plot device that can be used sparingly to great effect, particularly if you want the characters to be washed ashore on some monster-infested island or (in the case of an airship

. From a crow’s nest, a lookout can spot another ship or a coastline up to 10 miles away, assuming clear skies. Overcast skies reduce that distance by half. Rain and fog reduce visibility just as they

Mighty Servant of Leuk-o

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

of unstoppable destruction. Tales of the servant’s origins involve more 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

The Monastery

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

appears to emerge from the other ring, no matter how far apart the devices are. The second device has a flying speed of 40 feet, and can be flown remotely under the creature’s control as part of its

own movement. The remote device also grants the creature a sensory awareness of the area around it. This allows the appendage to be used normally, so that the creature can undertake any activity

3. Haunted Temple of Lolth

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

. When the first character enters the room, Muiral becomes visible as he casts a wall of force spell, using the barrier to cut off that character from the rest of the party. He then engages the

creature can transmit messages that echo through every room and corridor of Muiral’s Gauntlet. The drow priestess Vlonwelv uses this device to broadcast propaganda, proselytize, summon subordinates

Manshoon

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dragon Heist

years ago by the two wizards who built it. The edifice is surrounded by a magical barrier that has the properties of a wall of force. Manshoon rarely leaves the towers and uses a teleportation circle

blackmailing the Masked Lords, he hopes to oust Laeral Silverhand as Open Lord and take her place, kill the Blackstaff, reduce the Masked Lords to mere vassals, and declare himself the Wizard-King of

Spellcasting

Compendium - Sources->Dungeons & Dragons->Eberron: Rising from the Last War

create the specialized items you’ll use to produce your effects. If you replace cure wounds with heat metal, you might be altering the device you use to heal — perhaps modifying a tool so that it

drink sanctuary snare * 2nd Level aid alter self arcane lock blur continual flame darkvision enhance ability enlarge/reduce heat metal invisibility lesser restoration

Spellcasting

Compendium - Sources->Dungeons & Dragons->Wayfinder's Guide to Eberron

specialized items you’ll use to produce your effects. If you replace cure wounds with heat metal, you might be altering the device you use to heal—perhaps modifying a tool so that it channels heat instead

snare * 2nd Level aid alter self arcane lock blur continual flame darkvision enhance ability enlarge/reduce heat metal invisibility lesser restoration levitate magic mouth

Daoine Gloine

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

Daoine Gloine The city of Daoine Gloine has long been thought of as mere legend — just another strange tale from the already-strange Barrier Peaks. Occasionally, travelers would return from the

, resembling an almost-transparent barrier some thirty feet above the ground, visible only where it catches the light. Below that strange barrier, the buildings of the city are unnaturally clean

Spaceship Locations, Level 4

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

, after which time it must be charged at one of the plug-in terminals located throughout this level. If removed from the ship, the device ceases to function until returned. S64: Stasis Chamber (Green

the ship’s hull in this area. A dark, narrow tunnel extends from the opening and into the mountainside. If the characters follow the tunnel, it continues for 1 mile before exiting into the Barrier

Appendix D: Magic

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

small device—a mere 50 feet in diameter. To attune to this mythallar, a creature must finish a short rest within 30 feet of it, meditating on the mythallar. Up to eight creatures can be attuned to it at

the Ythryn mythallar can sense when the device is being used. A creature attuned to the device can use any of its properties, but only if all other creatures attuned to the device agree to allow it

Duergar

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

ends in a pincer claw, the other a large hammer instead of a hand. The machine transforms the captive duergar’s pain into energy that powers the device, which is typically used to dig tunnels and repel

magically turns invisible until it attacks, it casts a spell, it uses its Reduce, or its concentration is broken (as if concentrating on a spell). Any equipment the duergar wears or carries is

Court of Air

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

extradimensional magic created by worshipers of Gond (god of craft). An intricate clockwork device is suspended in a two-foot-diameter, faintly glowing crystal orb embedded in the ceiling over the bar. The Avowed

call this device a geometric amplifier. It is the source of the magic required to maintain the integrity of the enlarged space. The bar seats up to twenty customers, and patrons can also be seated

Designing Simple Traps

Compendium - Sources->Dungeons & Dragons->Xanathar's Guide to Everything

trap can break it and free the captive. Examples include a bear trap, a cage that drops from a ceiling, and a device that flings a net. Slay. Some traps are designed to eliminate intruders, plain and

for healing. A deadly trap might reduce a creature to 0 hit points in one shot, and leaves most creatures hit by it in need of a short or long rest. Consult the following tables when determining a

Archons

Compendium - Sources->Dungeons & Dragons->Mythic Odysseys of Theros

the following spells, requiring no material components: At will: command, compelled duel 1/day each: banishment, blade barrier Mount. If the ashen rider isn’t mounted, it can use a bonus action

ashen blade or bolt of ash, and then its mount can use its reaction to make a melee weapon attack. Reduce to Ash (Costs 3 Actions). The ashen rider targets a creature it can see within 60 feet of it

The Infernal Machine of Lum the Mad

Magic Items Infernal Machine Rebuild

This strange device was once thought to have been built by gods long forgotten and to have survived the eons since their passing, for it is incredibly ancient and crafted by means unlike anything

known today. However, its true origins derive from a planar craft that crashed in the Barrier Peaks, for the Infernal Machine once functioned as this craft’s central command console. Explorers who

The Fissure

Compendium - Sources->Dungeons & Dragons->Acquisitions Incorporated

reached a long tentacle through the weak planar barrier here. The creature’s tremorsense allows it to detect the presence of creatures in this room, at which point it attacks. Each character must succeed on

device resembling an orrery housing. The device is battered and falling apart, revealing exposed gears and spokes, and with its exterior pieces and plating scattered across the floor. Splayed on the

Lambent Zenith Locations

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

. Daveras tried to talk to him, but Figaro used a magical device to erect an impenetrable barrier around the room. Personal History. Daveras wasn’t part of the Lambent Zenith’s crew. When his

barrier if he feels he can trust the characters. The barrier allows sound to pass through, meaning that the characters can talk with Figaro. A character talking with Figaro can make a DC 25 Charisma

Specific Spells

Compendium - Sources->Dungeons & Dragons->Sage Advice Compendium

, let’s say you’re a warlock with the Dark One’s Blessing feature, which gives you temporary hit points when you reduce a creature to 0 hit points. You currently have 2 temporary hit points remaining from

can dispel the barrier created by globe of invulnerability, but not any magical effects that are active inside the barrier. If dispel magic targets the magical effect from bless cast by a cleric

Dungeon Locations

Compendium - Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus

any wandering cultists are defeated, reduce the number of cultists encountered in area V33 accordingly. If the characters make no effort to hide the bodies of the cultists they defeat, someone stumbles

Candlekeep (see “Knights of the Shield”). V30. Barrier of Iron Bars This sewer tunnel slopes down gradually toward the south, channeling water and sewage into the city’s sewer system. The tunnel is blocked by

Spire of Iriolarthas (Y19i-Y19hq)

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

leading down to area Y19j. This barrier was created by a wall of force spell and is maintained by the glowing green crystal set above the doorway (see “Green Crystal” below). As long as this crystal

was held aloft by the Ythryn mythallar (area Y23). Up to eight mages could attune to this device at one time. If all of them agreed, they could use its power to move the city through the skies or

Spaceship Locations, Level 1

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

of long-dead diners. This level of the ship contains three dining rooms. S4a: Southeast Dining Room. A long-shattered skylight in the ceiling of this room is open to the Barrier Peaks. The room

food. Adjusting the dial changes the temperature of the interior, which can range from 0–350 degrees Fahrenheit. Turning the dial all the way to the left turns off the device. Each box can hold 1

Areas of the Fire Temple

Compendium - Sources->Dungeons & Dragons->Princes of the Apocalypse

area E13. It is operated from area E17. Despite its age, this device still functions perfectly. E13. Foundry The temperature rises noticeably as one approaches this room, and characters can hear

and lubricated. This mechanism operates the canal and lock system that runs between areas E12 and E13. The levers activate counterweights and springs that raise and lower the great barrier door, which

Lower Palace Locations

Compendium - Sources->Dungeons & Dragons->The Wild Beyond the Witchlight

enough damage to reduce its height to 50 feet, the tower drops to its original position (so that the floor of area P51 is level with the second floor of the palace), and the beanstalk dies. P18. Banquet

in the middle of this room, its wings partially outstretched. A wall of iron bars stretching from floor to ceiling forms a protective barrier around the chamber’s entrance, keeping visitors separated

D&D Beyond

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