barrier being diffusing chasm reduced

Nightwalker

Monsters Mordenkainen Presents: Monsters of the Multiverse

","rollAction":"Annihilating Aura","rollDamageType":"necrotic"} necrotic damage. Undead are immune to this aura. Life Eater. A creature dies if reduced to 0 hit points by the nightwalker and can’t

or its 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 dies if its hit point maximum is reduced to

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

and its mount have advantage on Dexterity saving throws. If the ashen rider is reduced to 0 hit points while riding its mount, the mount is reduced to 0 hit points as well.Multiattack. The ashen

Tempest Spirit

Monsters Bigby Presents: Glory of the Giants

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

hit point maximum is reduced to 0.A storm giant can escape death through a mystical ritual that transforms the giant into a semiconscious storm. However, if the giant performs the ritual in a place

Draconian Mastermind

Monsters Fizban's Treasury of Dragons

Death Throes. When the draconian is reduced to 0 hit points, its magical essence lashes out as a ball of lightning at the closest creature within 30 feet of it before arcing out to up to two other

: dimension door, disguise self, sendingMagic Shield (3/Day). When the draconian is hit by an attack roll, it can create an invisible barrier of magical force around itself, granting it a +5 bonus to its

Warforged Colossus

Monsters Eberron: Rising from the Last War

much damage on a successful one. A creature reduced to 0 hit points by this beam is disintegrated, leaving behind anything it was wearing or carrying.In the final days of the Last War, House Cannith

Glowing Chasm in the northern part of the Mournland, with one of its arms torn off. “Artorok” (Colossus WX-73) sits at the bottom of Lake Cyre amid the scaffolding of a sunken House

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

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

Clock Tower Bridge

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

of the chasm, the base of the fallen tower can be seen, reduced to a broken section of its former ground floor. Ruins This city once housed the Infernal Machine before Lum the Mad conquered those

chasm. The chasm fully circles an isolated plateau of rock at its center. More ruins rise atop this plateau, including sections of walls held together by the roots of stunted trees. On the near side

30. Iron Barrier

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

30. Iron Barrier Ahead of you, the face of a snarling minotaur is etched into a sheet of iron that bisects the crawlway. Its eyes have been cut out, letting you see through the sheet, beyond which

characters can use spells such as gaseous form and misty step to move past the iron sheet. Any character who examines the barrier discovers that it slides up into the ceiling. Coiled springs provide

Hierophant Medusa

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

DC 15 Constitution saving throw. On a failed save, a target’s speed is reduced to 0 and can’t increase. On a successful save, its speed is halved. The target’s speed returns to normal

Pit of Shummrath

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

breathing. From a nearby cliff, a tributary of the River Styx cascades down into the slime. Dangling from a bent iron crane that leans out over the chasm is an iron cage containing a hairless, green

again and again, and the trapped creature seems helpless to stop it. Long ago, Bel imprisoned a rival pit fiend named Shummrath at the bottom of this deep chasm. Over the years, Shummrath has been

Adult Crystal Dragon

Monsters Fizban's Treasury of Dragons

. The lair has the following features: Ice Bridge. The crowning glory of this infrastructural marvel is a wide bridge of ice that spans a chasm between a lesser peak and the lair. Anterior Spires

statistics (other than its size). This transformation ends if the dragon is reduced to 0 hit points or uses a bonus action to end it. Psychic Step. The dragon magically teleports to an unoccupied space it can see within 60 feet of it.

Ancient Crystal Dragon

Monsters Fizban's Treasury of Dragons

spans a chasm between a lesser peak and the lair. Anterior Spires. Rising from the far side of the bridge are the lair’s anterior spires. These solid, pointed shafts resemble inverted icicles more

any creature that is Medium or Small, while retaining its game statistics (other than its size). This transformation ends if the dragon is reduced to 0 hit points or uses a bonus action to end it. Psychic Step. The dragon magically teleports to an unoccupied space it can see within 60 feet of it.

7. Fidelio's Folly

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

7. Fidelio’s Folly Chasm. This partially destroyed room is dimly lit by the lava at the bottom of the nearby chasm (see area 40). Past the chasm’s ledge is a spectral bridge that connects two other

a translucent knight in shining armor, with the symbol of Tyr (a set of balanced scales) on his ghostly breastplate. The ghost is lawful good and speaks in Common. If the ghost is reduced to 0 hit

D: Sunward Fortress

Compendium - Sources->Dungeons & Dragons->Dragonlance: Shadow of the Dragon Queen

thanks them and offers them a 1,000 gp reward if they take him home to Heart’s Hollow. D5: Spire Depths This level of the fortress hasn’t been fully excavated. A thirty-foot-wide chasm splits it in two

, spanned by makeshift wooden footbridges. On the far side of the chasm, digging implements surround an eight-foot-tall crystal glowing with a noxious orange light. On the near side of the chasm, a

Nightwalker

Compendium - Sources->Dungeons & Dragons->Monsters of the Multiverse

Negative Plane from the Shadowfell in places where the barrier between the planes is thin. Stepping onto the Negative Plane is almost always fatal since the plane sucks the life and soul from creatures

turn within 30 feet of the nightwalker must succeed on a DC 21 Constitution saving throw or take 21 (6d6) necrotic damage. Undead are immune to this aura. Life Eater. A creature dies if reduced to 0

The Black Lake

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a2

siphon. From the lake, the subterranean river flows west through the Sinkhole, across the bottom of the chasm in area 3 of the Mountain Door, and onward for about 5 miles until it emerges at the surface

up to the Foundry through the chasm there. The troglodytes fear and worship the dragon. The duergar have negotiated an uneasy truce with Nightscale, paying her a modest tribute to leave them alone

Journey Locations

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

townspeople from the larger group. The side passage splits after several feet. One branch leads steeply upward while the other abruptly ends at a chasm (area J2). J2: Tunnel Chasm This passage drops

into a chasm fifteen feet wide and thirty feet deep. Faint sounds of sobbing echo from the chasm’s south side. The chasm walls are sheer and require a successful DC 12 Strength (Athletics) check to

Nightwalker

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

the Shadowfell in a place where the barrier between the planes is thin. Stepping into the Negative Plane is tantamount to suicide, since the plane sucks the life and soul from such audacious creatures

reduced to 0 hit points from damage dealt by the nightwalker dies and can’t be revived by any means short of a wish spell. Actions Multiattack. The nightwalker uses Enervating Focus twice, or it

Tempest Spirit

Compendium - Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants

Tempest Spirit A storm giant can escape death through a mystical ritual that transforms the giant into a semiconscious storm. However, if the giant performs the ritual in a place where the barrier

point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the creature finishes a long rest. The creature dies if its hit point maximum is reduced to 0

Archons

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

incapacitated, the archon can’t be surprised, and both it and its mount have advantage on Dexterity saving throws. If the archon is reduced to 0 hit points while riding its mount, the mount is reduced to 0 hit

points as well. Radiant Rebirth (Recharges after a Long Rest). If the archon is reduced to 0 hit points, it regains 30 hit points and springs back to its feet with a burst of radiance. Each

Climbing Kelvin's Cairn

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

, 30 hit points, and immunity to cold, psychic, and poison damage; if reduced to 0 hit points, the ice sheet fractures and falls into the chasm. Any creature standing on the ice sheet when it begins to

both inside; the father is out hunting but returns shortly with a fresh kill. The cave’s interior is shown on map 1.17. F1. Chasm. This cave has a 20-foot-high, concave roof. Most of the floor has

Draconian Mastermind

Compendium - Sources->Dungeons & Dragons->Fizban's Treasury of Dragons

) Proficiency Bonus +3 Death Throes. When the draconian is reduced to 0 hit points, its magical essence lashes out as a ball of lightning at the closest creature within 30 feet of it before arcing out to

: dimension door, disguise self, sending Reactions Magic Shield (3/Day). When the draconian is hit by an attack roll, it can create an invisible barrier of magical force around itself, granting it a +5 bonus to its AC against that attack and potentially causing the attack to miss.

Living Spells

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

. Unfettered. The living spell can move through any barrier, even a wall of magical force. Unusual Nature. The living spell doesn’t require air, food, drink, or sleep. Actions Force Blade. Melee

. If any section is reduced to 0 hit points, the living spell and its chamber are destroyed (see “Planar Destruction” below). Magic Resistance. The living spell has advantage on saving throws

1. The Resplendent Grotto of Ichthyglug the Voluminous

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

through a curtain is greatly reduced; only creatures within 5 feet of it can hear anything from the other side. Any object thrown or shot through a watery curtain has a cost of 60 feet immediately applied

no farther falls to the floor inside the curtain. Spell effects that would not reasonably pass through the watery curtain are stopped by the barrier as though it were a solid wall. For example, a magic

Lorehold Scholars

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

minute, but the restrained target’s speed is halved instead of being reduced to 0. At the start of each of its turns, the restrained target takes 4 (1d8) force damage. A restrained target can repeat the

also use Force Barrier, if available. Repelling Burst. Melee Spell Attack: +7 to hit, reach 30 ft., one target. Hit: 13 (2d8 + 4) force damage. If the target is a Large or smaller creature, it must

Warforged Colossus

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

: “Arkus” (Colossus WX-11) lies prone at the bottom of the Glowing Chasm in the northern part of the Mournland, with one of its arms torn off. “Artorok” (Colossus WX-73) sits at the bottom of Lake Cyre

damage on a failed save, or half as much damage on a successful one. A creature reduced to 0 hit points by this beam is disintegrated, leaving behind anything it was wearing or carrying.

Therno Lake Locations

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

. If the characters approach from the south, the giant beavers poke their heads above the barrier for a moment, then begin slapping their tails on the water. This calls the hunters in area L2, who

reduced to 0 hit points, the dam is breached. If the dam is breached, each creature in the lake is swept southward 300 feet by the ensuing deluge, though the beaver lodge (area L3) isn’t washed away

The Sinkhole

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a2

The Sinkhole The stream that flows through the Glitterhame descends through the chasm in area 25 to an even lower level of caverns—the Sinkhole. Here it joins a subterranean river that traverses dark

its submerged areas, using the river as a back door to its lair. A narrow staircase winds down along the chasm walls until reaching bottom, where it offers access to area 28. Map 2.4: The Sinkhole

Areas of the Fire Temple

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

spanning a firelit chasm. The southeast chasm is described in area E12. A dozen fire temple cultists bunk here, but only four Eternal Flame guardians (see chapter 7) are present when the characters

and arming themselves, joining the fight on their next turns. Lacking time to don armor, each has AC 13 (shield). If the hobgoblin captain is reduced to half its hit point maximum, it spends one turn

The Foundry

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a2

characters can get the duergar to escort them to the entrance to the dragon’s territory (the chasm in area 38). The duergar will not allow the party into the bladeworks (area 37) without an escort, and

Chasm The stream running through the old dwarven bladeworks meanders through a natural cavern before tumbling into a great chasm. You can see nothing but darkness below, although the splashing of waters

Curst

Compendium - Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Sigil and the Outlands

step. The maelephants (see Morte’s Planar Parade) of the Wall Watch patrol Curst’s perimeter: a high, corroded barrier lined with saw-toothed barbs and search towers. The elephantine warders turn their

speed reduced by 5 feet. Extradimensional Prison. Creatures can’t leave Curst using teleportation or by extradimensional or interplanar means other than the town’s gate to Carceri. Any attempt to do so

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

is reduced to 0 hit points, this trait doesn’t function until an attuned creature spends 24 hours repairing the artifact or until the artifact is subjected to lightning damage. Standing Leap. The

The Infernal Machine of Lum the Mad

Magic Items Infernal Machine Rebuild

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

through difficult terrain, your speed is reduced by 10 feet until the end of your next turn. 66 You increase one ability score of your choice by 2. You can increase an ability score above 20

Haven Locations

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

, but unless the characters pass the barrier by magical means, it needs to be cleared. For each hour of work, one character can make a DC 15 Strength (Athletics) check or Intelligence check using

attack the characters unless attacked first. He disappears if reduced to 0 hit points, but the magic that binds him to this place causes him to re-form at full health after 1 minute with no knowledge

Sample Traps

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

damage and be knocked prone. The sphere stops when it hits a wall or similar barrier. It can't go around corners, but smart dungeon builders incorporate gentle, curving turns into nearby passages that

allow the sphere to keep moving. As an action, a creature within 5 feet of the sphere can attempt to slow it down with a DC 20 Strength check. On a successful check, the sphere's speed is reduced by

D&D Beyond

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