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Returning 35 results for 'barrier base diffusing ceiling reaction'.
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Magic Items
Bigby Presents: Glory of the Giants
A black opal pendant hangs at the base of this pearlescent chain. The sacred rune is inscribed on the back of the pendant.
While wearing this item, you have resistance to necrotic damage
taking damage, you can use your reaction to invoke the item’s rune, causing the pendant to flash with pale light. The creature then instead drops to 1 hit point.
Once the rune has been invoked, it can’t be invoked again until the next dawn.
Drow Matron Mother
Legacy
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Monsters
Mordenkainen’s Tome of Foes
slots): blade barrier, harm
7th level (2 slots): divine word, plane shift
8th level (1 slot): holy aura
9th level (1 slot): gate
Sunlight Sensitivity. While in sunlight, the drow has disadvantage on
allied demon within 30 feet of the drow uses its reaction to make one attack against a target of the drow's choice that she can see.
Cast a Spell (Costs 1–3 Actions). The drow expends a spell slot 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
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
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
a surface such as a ceiling with no way to remain there (for example, sufficient handholds), it falls at the end of this movement.
Regional Effects
The region containing a medusa’s lair is
Adult Deep Dragon
Legacy
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Monsters
Fizban's Treasury of Dragons
creature within 30 feet of it that it can see. The target must succeed on a DC 16 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no
creatures are within reach, or the target can’t take a reaction, it takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic"} psychic
Ancient Deep Dragon
Legacy
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Monsters
Fizban's Treasury of Dragons
around a creature within 30 feet of it that it can see. The target must succeed on a DC 19 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If
no creatures are within reach, or the target can’t take a reaction, it takes 11 (2d10);{"diceNotation":"2d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic
Monsters
Mordenkainen Presents: Monsters of the Multiverse
action to land on a ceiling to attack targets flying near it.
Seal the Way. Baphomet seals one doorway or other entryway within the lair. The opening must be unoccupied. It is filled with solid stone
after a Short or Long Rest). As an action, this creature allows each ally within 30 feet of it that has the Unerring Tracker trait to make one weapon attack as a reaction against the target of that
Monsters
Mordenkainen Presents: Monsters of the Multiverse
and using Charisma as the spellcasting ability (spell save DC 20):
At will: command, dancing lights, detect magic, thaumaturgy
2/day each: banishment, blade barrier, cure wounds, hold person, plane
allied demon within 30 feet of the drow uses its reaction to make one attack against a target of the drow’s choice that she can see.
Demon Staff. The drow makes one Demon Staff attack.
Cast a
Compendium
- Sources->Dungeons & Dragons->Uni and the Hunt for the Lost Horn
Shield Level 1 Abjuration (Sorcerer, Wizard) Casting Time: Reaction, which you take when you are hit by an attack roll or targeted by the Magic Missile spell
Range: Self
Components: V, S
Duration: 1 round
An imperceptible barrier of magical force protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from Magic Missile.
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
Shield 1st-level abjuration Casting Time: 1 reaction, which you take when you are hit by an attack or targeted by the magic missile spell Range: Self Components: V, S Duration: 1 round An invisible
barrier of magical force appears and protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from magic missile.
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
Shield 1st-level abjuration Casting Time: 1 reaction, which you take when you are hit by an attack or targeted by the magic missile spell Range: Self Components: V, S Duration: 1 round An invisible
barrier of magical force appears and protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from magic missile.
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
Shield Level 1 Abjuration (Sorcerer, Wizard) Casting Time: Reaction, which you take when you are hit by an attack roll or targeted by the Magic Missile spell
Range: Self
Components: V, S
Duration: 1 round
An imperceptible barrier of magical force protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from Magic Missile.
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
Shield Level 1 Abjuration (Sorcerer, Wizard) Casting Time: Reaction, which you take when you are hit by an attack roll or targeted by the Magic Missile spell
Range: Self
Components: V, S
Duration: 1 round
An imperceptible barrier of magical force protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from Magic Missile.
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
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
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
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
action, you can command the servant to take one of the actions in its stat block or some other action.
When a creature provokes an opportunity attack from the servant, you can use your reaction to command
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
Approaching the Spaceship It’s a two-day trek from the base of the mountains to the crash site. The adventure begins when the characters discover the entrance to the spaceship. When the characters
arrive, read or paraphrase the following text: For the past two days, you have been ascending the steep crags of the Barrier Peaks. Finally, through a dense stand of trees in a hidden dell, you spot a
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
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
29. Foggy Hall The floor of this room is heavily obscured by a 2-foot-high blanket of thick fog. It swirls lazily around the base of a 20-foot-diameter, cylindrical stone column that supports the 20-foot-high ceiling. Rusty iron torch sconces mounted to this central column stand empty.
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation Supplement
24. Shrine of Umberlee Rising up from the floor of this damp, dark cave is a grotesque, ten-foot-tall statue of a sea monster with glistening eyes and tentacles. A raised stone basin, its base carved
. Characters who approach the statue see a creature clinging to the ceiling behind it: Clinging to the ceiling behind the statue is a nine-foot-long slug with glistening black skin and tentacles sprouting
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
64. Base of the Waterfall Anything that falls from area 17 ends up here. The walls of this grotto are slick with slime, and the air reeks of decay. Filthy water tumbles down from a hole in the
ceiling, then courses along a rough-hewn tunnel toward a murky lake. The din of machinery echoes from that direction.
Climbing the slimy walls requires a successful DC 15 Strength (Athletics) check. The
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
through the trapdoor’s rotting wood, forming a puddle around the base of the ladder.
The ceiling here is 9 feet high. The manacles are rusted and can be easily torn from the walls. The trapdoor in
bed fitted with leather restraints. At the foot of the bed rests a closed iron chest, is lid sculpted with an emblem.
A wooden ladder leads up to a trapdoor in the ceiling. Thin streams of water drip
Monsters
Fizban's Treasury of Dragons
beauty of the ocean. (Good)
6
Code of Combat. I despise most other dragons, but I meet them face to face without resorting to the base trickery I use on lesser creatures. (Lawful)
Topaz
state but are hung with the dragon’s collection of nautical paintings, mirrors, and sun-colored tapestries. Numerous gold-and-glass hanging lanterns are suspended from the ceiling, giving the
Monsters
Fizban's Treasury of Dragons
the sight of the vast beauty of the ocean. (Good)
6
Code of Combat. I despise most other dragons, but I meet them face to face without resorting to the base trickery I use on lesser creatures
from the ceiling, giving the place a warm, cozy glow. (The lanterns might be magical or maintained by minions.) The floors are covered with plush sand-colored carpets.
Hoard Chamber. A small chamber in
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
swift and loud. Creatures within 20 feet of it are deafened by the roar unless a soundproof barrier or a silence spell blocks the noise. Any creature that starts its turn in the river and isn’t anchored
area 12 as it does elsewhere.
12a. South Water Collector The ceiling in this chamber forms a dome 20 feet higher than the floor around the cistern, which is 10 feet deep. Water pouring in from the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
4. With Sword in Hand Sword Stand. An unadorned wooden armor stand rests in the middle of the room, with a faintly glowing longsword stabbed into it. At the base of the stand lie the skeletal remains
of a hand, amid stains of dried blood.
Distant Voices. Echoes of distant voices occasionally fill the room, emanating from 10-inch-long, 5-inch wide vents in the ceiling (see “Echoes” below
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation Supplement
diameter, caked with dried blood. Set into the base of the bowl is an empty niche, and hanging from the ceiling above the altar is a bloodstained iron hook at the end of a rusty chain. A search of the wall
flickers of divine insight. Near the base of the mountain is a giant carving of a snake’s head, its forked tongue forming a ten-foot-wide, twenty-foot-high stone ramp. Stone fangs descend from the
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
. Your size is Medium. Speed. Your base walking speed is 30 feet. Natural Athlete. You have proficiency in the Athletics skill. Stone’s Endurance. You can focus yourself to occasionally shrug off injury
. When you take damage, you can use your reaction to roll a d12. Add your Constitution modifier to the number rolled and reduce the damage by that total. After you use this trait, you can’t use it again
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
throughout the area, around which a prisoner work gang toils in the sweltering heat. Smooth metallic columns rise to the ceiling, with open hatches set into their sides at ground level. Haggard prisoners
desperate to escape the monastery before its engines fail. They can steal a skiff and follow the marked trails out of the Barrier Peaks if left to their own devices.
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
each stall, the sculpture of a hippogriff in flight leaps from the tower’s base. Beneath Feathergale Spire to the east, a wide gusty canyon yawns through the hills. A steep trail leads to the
pillar on which the spire stands. It is 400 feet from the pillar’s base to the lowest level of the spire (area S1), and each level of the spire is 20 feet higher than the level below it. Flying characters
Compendium
- Sources->Dungeons & Dragons->Giants of the Star Forge
contest. Fire Giant’s Spirit Diasma leads the party to the base of a 100-foot-tall cliff. A series of hempen ropes dangle from the clifftop. Each competitor must climb one of these ropes. The first
protective barrier as hard as stone. However, a single movement causes the mud barrier to crack, ruining its protection. After the paste is applied but before it hardens, each competitor can take a
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
ice, with no passages leading out. The ceiling is 30 feet high and lined with icicles, and bits of broken ice surround a massive white marble sarcophagus situated in the middle of the floor. The lid
of the sarcophagus is sculpted into the likeness of a female giant with long flowing hair.
The sarcophagus is 20 feet long, 10 feet wide, and 10 feet tall. Dwarvish runes carved into its base spell
Compendium
- Sources->Dungeons & Dragons->Hoard of the Dragon Queen
ice, with no passages leading out. The ceiling is 30 feet high and lined with icicles, and bits of broken ice surround a massive white marble sarcophagus situated in the middle of the floor. The lid
of the sarcophagus is sculpted into the likeness of a female giant with long flowing hair. The sarcophagus is 20 feet long, 10 feet wide, and 10 feet tall. Dwarvish runes carved into its base spell the
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Narbondel The most dominant feature within the city, Narbondel is a 1,000-foot-tall column of rock that helps support the cavern ceiling. At the same time each day, the city’s Archmage (or a
representative from Sorcere) magically heats Narbondel’s base, causing the stone to glow. The band of warm light rises slowly up the column to mark the passage of time, taking twenty-four hours to reach the
Compendium
- Sources->Dungeons & Dragons->Eberron: Rising from the Last War
them in their new world, but allowed them to develop beyond the reach of Gruumsh, Corellon, Lolth, and other influences for good and ill. In your campaign, you might decide that the barrier formed by
hidden in remote libraries. But if Asmodeus has only just discovered Eberron and begun to influence it for the first time, there is no lore about him to be discovered on Eberron. He has no power base
Compendium
- Sources->Dungeons & Dragons->Dragons of Stormwreck Isle
Sparkrender’s Kobold Allies The kobolds who joined forces with Sparkrender are lawful evil and cruel. Their initial reaction toward outsiders is hostile (see “Social Interaction” in the Basic Rules
around inside the tower (area D6) since then. Caved-In Wall. Though the kobolds have been trying to tidy the ruins, Sparkrender specifically told them not to clean up the newly caved-in wall at the base of the observatory tower (area D6). The caved-in wall is visible from area D3.






