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Returning 35 results for 'before barrier device cause reverse'.
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Spells
Player’s Handbook
from the creature.
Each time you cast this spell, you can cause its magic to operate in the reverse direction, preventing a creature of the specified type from leaving the Cylinder and protecting
Equipment
the device gives the device 3 charges.
As an action while holding this device, you can expend 1 of its charges to cause one of the following effects:
Control. One Construct of your choice within 60
This small handheld device features a glass pane with a glowing display that responds to your touch.
The controller is powered by an energy cell stored in the device. Placing a full energy cell in
Magic Items
Bigby Presents: Glory of the Giants
Horizon’s Edge, but a device somewhere in the demiplane allows a cube to function in reverse while the cube is fitted into it.
Magic Items
Icewind Dale: Rime of the Frostmaiden
of existence as the Ythryn mythallar, you can use an action to cause it to fly in any direction you choose at a speed of 30 feet. All matter within 500 feet of the device moves with it. The Ythryn
hold. The largest mythallars are 150 feet in diameter.
The Ythryn mythallar is a relatively small device—a mere 50 feet in diameter. To attune to this mythallar, a creature must finish a short
Magic Circle
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Spells
Basic Rules (2014)
spell, you can elect to cause its magic to operate in the reverse direction, preventing a creature of the specified type from leaving the cylinder and protecting targets outside it.
At Higher
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
Monsters
Waterdeep: Dungeon of the Mad Mage
, polymorph
5th level (3 slots): animate objects, telekinesis
6th level (1 slot): disintegrate, flesh to stone
7th level (1 slot): reverse gravity, teleport
8th level (1 slot): feeblemind, maze
9th
initiative ties), the lich can take a lair action to cause one of the following magical effects; the lich can’t use the same effect two rounds in a row:
The lich rolls a d8 and regains a spell
Species
Van Richten’s Guide to Ravenloft
physical state that their minds are ill equipped to deal with. Their memories of events before this interruption are often vague or absent. Occasionally, the most unexpected experiences might cause
perfectly preserved remains.
Lamordia. You awoke amid the bizarre experiments of an amoral scientist. They consider you their finest creation or have a task for you to fulfill.
Mordent. You emerged from the mysterious device known as the Apparatus, your body a lifeless shell and your past a mystery.
Zariel
Legacy
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Monsters
Mordenkainen’s Tome of Foes
), detect evil and good, fireball, invisibility (self only), wall of fire
3/day each: blade barrier, dispel evil and good, finger of death
Legendary Resistance (3/Day). If Zariel fails a saving throw
of all kinds crawl over the structure, ensuring that no intruders breach their defenses.
Lair Actions. On initiative count 20 (losing initiative ties), Zariel can take a lair action to cause one of
Githzerai Anarch
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Mordenkainen’s Tome of Foes
anarch magically teleports, along with any equipment it is wearing and carrying, to an unoccupied space it can see within 30 feet of it.
Change Gravity (Costs 3 Actions). The anarch casts the reverse
action to cause one of the following effects; the anarch can’t use the same effect two rounds in a row:
The anarch casts the lightning bolt spell (at 5th level), but the anarch can change the
Magic Items
Waterdeep: Dragon Heist
defense against the axe, which passes through that spell’s barrier of magical force.
When you hit a fiend or an undead with the axe, cold blue flames erupt from its blade and deal an extra 2d6
regains all expended charges daily at dawn.
Illumination. While holding the axe, you can use an action to cause the axe to glow blue or to quench the glow. This glow sheds bright light in a 30-foot
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
Blade barrier blocks passage 4–8 Cave-in 9–12 Chasm 1d4 × 10 ft. wide and 2d6 × 10 ft. deep, possibly connected to other levels of the dungeon 13–14 Flooding leaves 2d10 ft. of water in the area; create
Monsters
The Book of Many Things
2/day: Mass Cure Wounds (cast at 8th level)
1/day each: Blade Barrier, Divination, Greater RestorationThe medusa can take 3 legendary actions, choosing from the options below. It can take only one
with advantage.Sometimes deeply devout people, usually either Humanoids or medusas, dedicate themselves to a cause and are transformed by a deity or magic into hierophant medusas—beings with
Compendium
- Sources->Dungeons & Dragons->Netheril’s Fall: Tales of Terror, Treasure, and Time Travel
Unstable Gravity Zone Netherese mages often commanded gravity to bend to their will, but gravity isn’t so easily controlled. Overuse of gravity-altering magic can cause it to oscillate unpredictably
identify its presence by noticing these smashed items, taking a Study action, and succeeding on a DC 15 Intelligence (Investigation) check. The effect is the same as the Reverse Gravity spell (save
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
characters attempting to activate or reverse the abyssal gate, you can also require that the character wearing the crown and holding the scepter must be in physical contact with the standing arch — making it impossible to activate the gate from inside the apparatus of Kwalish or any similar protective device.
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
creature. Each time you cast this spell, you can cause its magic to operate in the reverse direction, preventing a creature of the specified type from leaving the Cylinder and protecting targets outside it. Using a Higher-Level Spell Slot. The duration increases by 1 hour for each spell slot level above 3.
Compendium
- Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants
creature uses an action to change the puzzle’s configuration. Puzzle cubes don’t function while on Horizon’s Edge, but a device somewhere in the demiplane allows a cube to function in reverse while the
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
creature. Each time you cast this spell, you can cause its magic to operate in the reverse direction, preventing a creature of the specified type from leaving the Cylinder and protecting targets outside it. Using a Higher-Level Spell Slot. The duration increases by 1 hour for each spell slot level above 3.
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
to cause its magic to operate in the reverse direction, preventing a creature of the specified type from leaving the cylinder and protecting targets outside it. At Higher Levels. When you cast this
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
to cause its magic to operate in the reverse direction, preventing a creature of the specified type from leaving the cylinder and protecting targets outside it. At Higher Levels. When you cast this
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
free the dryads to set the woods back to order. Instead of the hags being disguised as goodly dryads, you might instead choose to reverse the scenario. The Three Mothers might really be dryads in need
of help, with Banrion the unicorn an evil creature that must be defeated to save the woods. The unicorn might even be using its dark magic to cause the dryads to appear as hags.
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.
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
Symbol Paladins are mindful of the influence of symbols, and many of them adopt or design an artistic device that bears a distinctive image. Your symbol exemplifies the oath you have taken and
such as pity do not sway your dedication to your oath 6 An unblinking eye, meaning that you are ever alert to all threats against your cause
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
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
Barrier Peaks. His studies of an ancient, crashed planar craft set him on a path that might have seen him rival Ioun and Heward — until his experiments overtook him, and he became lost to the ages
. All that’s left of his legacy is a single example of his earliest work — the apparatus of Kwalish that is the only way most folk now know his name. It was Kwalish’s foray into the Barrier Peaks that set
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
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
it and cause it no harm, it ignores them.
Reverse Gravity. Directly above the grick, on the 20-foot-high ceiling, is an upside-down stone throne, seated upon which is a mummified minotaur with gems
east corner of the north wall. The gricks can’t open it.
The top half of the room is under the effect of a permanent reverse gravity spell. The effect takes hold of any creature or object more than
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
Compendium
- Sources->Dungeons & Dragons->Mythic Odysseys of Theros
dire consequences that he can’t predict and wouldn’t willingly cause. The campaign might begin with the misbehavior of another god or gods, then escalate when Kruphix delivers a punishment that seems
out of proportion to the crime. Further attempts by the other gods to circumvent or reverse the punishment could be countered by more edicts from Kruphix, perhaps even culminating in another great
Compendium
- Sources->Dungeons & Dragons->Wayfinder's Guide to Eberron
package.
6 A delirious street preacher has an apocalyptic vision concerning one of the player characters.
7 The PCs discover a bound-elemental explosive device in their quarters. They have
three rounds to flee or attempt to disarm the device.
8 A skycoach crashes through the wall. Is this an attack, or the result of sabotage?
The Villain 1d12 Villain
1 A dragonmarked
Compendium
- Sources->Dungeons & Dragons->Journeys through the Radiant Citadel
Anarchist Outcry An ear-splitting crash pierces the air. Five figures wearing snarling, crimson masks clamber atop stalls, each raising a cone-like device to their mouth. Along with an irritating
spy stat block), members of a group called the Ashen Heirs, have interrupted the festivities to antagonize the Brightguard. As they do so, their attempts to stand atop stalls cause booths and tents to
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
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
Draakhorn is being used by the cult to summon chromatic dragons to their cause. As the characters are arriving in Waterdeep, read or paraphrase the following. A sudden shift in the wind brings with it a
Silmerhelve—a Waterdhavian noble. Read or paraphrase the following when the characters speak to Dala. “The disturbance that’s been sensed across the Sword Coast is the Draakhorn—an ancient device whose
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
Draakhorn is being used by the cult to summon chromatic dragons to their cause. As the characters are arriving in Waterdeep, read or paraphrase the following. A sudden shift in the wind brings with it a
Silmerhelve — a Waterdhavian noble. Read or paraphrase the following when the characters speak to Dala. “The disturbance that’s been sensed across the Sword Coast is the Draakhorn — an ancient device
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
holed up in the Black Cabin, where he spent all his time assembling a weather-controlling magical device called the Summer Star, using knowledge he gleaned from a book about Netherese artifacts
. Macreadus’s device was similar in design to a mythallar (see appendix D), but much smaller. Unfortunately for him, it had a serious design flaw. When Macreadus tried to use it three days ago, it malfunctioned






