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Returning 35 results for 'button barrier diffusing currents reduced'.
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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
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
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
Monsters
Mythic Odysseys of Theros
reduced by 10 feet until the start of the triton’s next turn.Frigid Shield. When a creature the triton can see targets the triton with an attack, the triton gains 10 temporary hit points. If the
":"cold"} cold damage.Triton masters of waves sculpt storms and change the tides, bending the sea to their will. Drawing forth living currents and the icy cold of the deep, these mages make the ocean their
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
Monsters
Fizban's Treasury of Dragons
Amphibious. The dragon turtle can breathe air and water
Blessing of the Sea (Recharges after a Short or Long Rest). If the dragon turtle would be reduced to 0 hit points, its current hit point total
turtle’s lair can be transformed by its presence, creating one or more of the following effects:
Diverting Currents. Underwater currents push unwanted visitors away from the lair. While
Monsters
Princes of the Apocalypse
hit points for each elemental she summons. Summoned elementals have maximum hit points, appear within 100 feet of Olhydra, and disappear if Olhydra is reduced to 0 hit points.Olhydra can take 3
, currents and tides are exceptionally strong and treacherous. Any ability checks made to safely navigate or control a vessel moving through these waters has disadvantage.
Aquatic creatures that have
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
sight of the servant, starting with those threatening the artifact— preferably using the servant, if possible.
Self-Destruct. By inputting a specific series of lever pulls and button presses
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
24 hours. The right button is engraved with a larger human stick figure and functions like the left button, except the creatures in the alteration chamber are enlarged instead of reduced. If a
it once was. The tapestry has AC 5, 33 hit points, immunity to poison damage, and vulnerability to fire damage. If it is reduced to 0 hit points, the tapestry is destroyed. The characters gain no XP
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
triggers a trap within it: Pushing the onyx button forces any creature inside the onyx chest to succeed on a DC 15 Constitution saving throw or take 75 (10d6 + 40) force damage. A creature reduced to 0
chest is shut, the chest locks and the clamps snap shut on the key once more. Any character inside the chest when this happens is trapped. At the same time, a button magically appears on the lid of
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
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
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
configuration 3 is illuminated. If the dial is turned, the currently lit crystal goes out and the crystal to the left or right (the direction the dial is turned) lights up. Blue Button. Pushing the blue
button orients the cog rooms (areas 58 through area 60) to match whichever configuration has its crystal lit. The entire level trembles as the giant cogs rotate. If the blue button is pushed while the cog
Compendium
- Sources->Dungeons & Dragons->Locathah Rising
the hull protects you from the the strong currents outside. Many boxes and barrels are present here, somewhat waterlogged but largely intact.
This ship served as a tender vessel, bringing supplies to
blind. The encounter distance is reduced to 10 feet in these instances (see “Unusual Environments” in chapter 5 of the Dungeon Master’s Guide). For characters with a magical light source or darkvision
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
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
creature reduced to 0 hit points by this damage is ground to a pulp. A creature that passes through the rollers with at least 1 hit point remaining lands on an iron grate 5 feet below the grinders. A
stone button is set into one of the walls above the grate and is visible only to creatures under the rollers. When pressed, the button causes the rollers to stop turning and retract into the walls
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
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
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
notices that one of the altar’s carvings has a button carved to look like a serpent’s eye. If this button is pressed, a secret compartment on the north side of the altar opens. Inside this compartment
abominations. These temple guardians attack any creature that is not a yuan-ti. When reduced to 0 hit points, they revert to clouds of green mist and disappear without a trace. If the yuan-ti abominations are not killed, they rid the temple of enemies and turn it into their lair.
Compendium
- Sources->Dungeons & Dragons->Locathah Rising
he opened (Umberlee’s Maw) have created an area in the ocean that acts like a beacon for strong, irregular currents and bad weather. Underwater, the effect manifests as a general darkness in an oddly
light source or darkvision, all Wisdom (Perception) checks that rely on sight are made at disadvantage, and the encounter distance is reduced to 10 feet (see “Unusual Environments” in chapter 5 of the
Compendium
- Sources->Dungeons & Dragons->Eberron: Rising from the Last War
panel and hot-wire it. An “out of order” sign hangs above a nearby button which opens the lift’s doors. When the doors open, read or paraphrase the following boxed text to the players: The double doors
demands the characters get out of the car. If the characters don’t leave, Orgon attacks them. Orgon fights until reduced to 10 hit points then surrenders. A successful DC 12 Charisma (Intimidation) check
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
button presses, the servant’s two crew members can cause it to explode. The self-destruct code is not revealed to crew members when they attune to the artifact. If the code is discovered (the DM
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
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.
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
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
reduced to 30 feet. Roads, paths, and trails twist and turn back on themselves, making navigation in the area exceedingly difficult. A powerful green hag creates one or more of the following additional
1 mile of her lair: Most surfaces are covered by a thin film of slime, which is slick and sticks to anything that touches it. Currents and tides are exceptionally strong and treacherous. Any ability
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
draped with scrolls and scarves and set with glittering glass. You could use part of the underground portion of the copper dragon’s lair (map 5.6) to represent such a lair, with the scale reduced to 2
dragon can take one of the following lair actions on initiative count 20 (losing initiative ties): Chaotic Aura. The faerie dragon creates misdirecting currents of air and magic around itself. Until
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
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
Compendium
- Sources->Dungeons & Dragons->Mythic Odysseys of Theros
damage.
Triton Master of Waves Triton masters of waves sculpt storms and change the tides, bending the sea to their will. Drawing forth living currents and the icy cold of the deep, these mages
Frost (Cantrip). Ranged Spell Attack: +7 to hit, range 60 ft., one creature. Hit: 13 (3d8) cold damage, and the target’s speed is reduced by 10 feet until the start of the triton’s next turn.
Reactions
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
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
legs. It turns 180 degrees whenever it hits a barrier, reversing its course. U5. Stonky’s Missing Ring A five-foot-diameter well enclosed by a two-foot-high stone rim stands in the center of this room
countdown timer and a blinking red button built into it. Suspended above the console are four wireframe windows, each displaying a projected image.
Unless the characters have already encountered him (see
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
medallion around its neck. All around the figure are carvings of locusts.
Close inspection reveals that one of the carved locusts is a button that can be pushed. When this happens, the stone block
takes 55 (10d10) bludgeoning damage. Any creature reduced to 0 hit points by this damage is crushed to a pulp. Otherwise, the creature falls prone inside the tomb. The correct sequence of floor tiles
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
disappear if Olhydra is reduced to 0 hit points.
Legendary Actions
Olhydra can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and
miles of the lair. A downpour occurs once every 2d12 hours, and lasts 1d3 hours. Downpours are so heavy that creatures moving overland travel at half normal speed. Within 5 miles of the lair, currents
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






