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Returning 35 results for 'beam barrier diffusing ceiling returns'.
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Adult Blue Dragon
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Basic Rules (2014)
that make up its lair if that lair is invaded. The dragon then burrows out, leaving its attackers to be crushed and suffocated. When it returns later, it collects its possessions — along with the
effect two rounds in a row:
Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10
Ancient Blue Dragon
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Basic Rules (2014)
that make up its lair if that lair is invaded. The dragon then burrows out, leaving its attackers to be crushed and suffocated. When it returns later, it collects its possessions — along with
same effect two rounds in a row:
Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10
Monsters
Strixhaven: A Curriculum of Chaos
creature encounters a solid object (such as a ceiling) in this fall, it strikes the object just as it would during a downward fall. If the creature reaches the top of the area without striking anything
, it hovers there until the start of the archaic’s next turn, at which time gravity returns to normal and the creature falls.
Spellcasting. The archaic casts one of the following spells
Monsters
Storm King's Thunder
that lair is invaded. The dragon then burrows out, leaving its attackers to be crushed and suffocated. When it returns later, it collects its possessions — along with the wealth of the dead
row:
Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10 (3d6);{"diceNotation":"3d6
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
of the following lair actions; it can’t take the same lair action two rounds in a row:
Green Slime. A green slime (see the Dungeon Master’s Guide) appears on a spot on the ceiling that
returns to the space where it began this movement.
Slimy Organs. This creature has resistance to bludgeoning, piercing, and slashing damage from nonmagical attacks.
Whenever this creature suffers a
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
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
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
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->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->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->Dragon of Icespire Peak
S7. Main Hall and Belfry Rows of crumbling pillars support the 40-foot-high vaulted ceiling of this hall. Humanoid bones litter the dusty floor, and a 10-foot-square hole in the ceiling leads to the
can use them to detach the bell from the beam in 1 minute. Any creature under the bell when it falls must succeed on a DC 12 Dexterity saving throw to get out of the way, or take 14 (4d6) bludgeoning damage. The gold bell is worth 2,500 gp.
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
S7. Main Hall and Belfry Rows of crumbling pillars support the 40-foot-high vaulted ceiling of this hall. Humanoid bones litter the dusty floor, and a 10-foot-square hole in the ceiling leads to the
can use them to detach the bell from the beam in 1 minute. Any creature under the bell when it falls must succeed on a DC 12 Dexterity saving throw to get out of the way, or take 14 (4d6) bludgeoning damage. The gold bell is worth 2,500 gp.
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
S7. Main Hall and Belfry Rows of crumbling pillars support the 40-foot-high vaulted ceiling of this hall. Humanoid bones litter the dusty floor, and a 10-foot-square hole in the ceiling leads to the
can use them to detach the bell from the beam in 1 minute. Any creature under the bell when it falls must succeed on a DC 12 Dexterity saving throw to get out of the way, or take 14 (4d6) bludgeoning damage. The gold bell is worth 2,500 gp.
Monsters
Fizban's Treasury of Dragons
Psychic Step or Spellcasting.
Starlight Strike (Costs 3 Actions). The dragon releases a searing beam of starlight at a creature that it can see within 60 feet of it. The target must succeed on a DC 17
the lair returns to normal levels over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. The increased Hit Die recovery ends immediately. The existing abundance of
Monsters
Fizban's Treasury of Dragons
dragon uses Psychic Step or Spellcasting.
Starlight Strike (Costs 3 Actions). The dragon releases a searing beam of starlight at a creature that it can see within 60 feet of it. The target must
made with advantage.
If the dragon dies, the animal population near the lair returns to normal levels over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. The
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
no exit. The floor returns to a closed position in 10 minutes, sealing any victim inside the pit until another creature triggers the floor trap again. Crawl Space. The ceiling route is a crawl space
upward or downward has any results. Moving them up opens a small trapdoor in the center of the ceiling 10 feet above. Pushing them simultaneously down opens the entire floor to a 100-foot-deep pit with
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
no exit. The floor returns to a closed position in 10 minutes, sealing any victim inside the pit until another creature triggers the floor trap again. Crawl Space. The ceiling route is a crawl space
upward or downward has any results. Moving them up opens a small trapdoor in the center of the ceiling 10 feet above. Pushing them simultaneously down opens the entire floor to a 100-foot-deep pit with
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
no exit. The floor returns to a closed position in 10 minutes, sealing any victim inside the pit until another creature triggers the floor trap again. Crawl Space. The ceiling route is a crawl space
upward or downward has any results. Moving them up opens a small trapdoor in the center of the ceiling 10 feet above. Pushing them simultaneously down opens the entire floor to a 100-foot-deep pit with
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
ceiling. It has these features: Spelljamming Helm. In the middle of the room is a gilded wooden throne with a cushioned seat and backrest covered in black velvet sewn with silver stars. This high-backed
, 200-pound chair is the helm of the Scavenger, which was stolen by Halaster from the ship of the same name (see level 19, area 13).
Sensors. Near the ceiling float four invisible scrying sensors
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
The Smugglers’ Ship The name of the vessel, Sea Ghost, is painted on both sides of the prow. It has a length of nearly 90 feet, a beam of 26 feet, a draft of 8 feet, and stands 9 feet above the
partitions and sealed off from area 6. All enclosed areas have a ceiling height of 8 feet except for the bilge (area 16), which is 4 feet high. The cargo hold hatch in area 1 is closed but not fastened. The bilge hatch in area 11 is closed and bolted from the hold side only.
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
The Smugglers’ Ship The name of the vessel, Sea Ghost, is painted on both sides of the prow. It has a length of nearly 90 feet, a beam of 26 feet, a draft of 8 feet, and stands 9 feet above the
partitions and sealed off from area 6. All enclosed areas have a ceiling height of 8 feet except for the bilge (area 16), which is 4 feet high. The cargo hold hatch in area 1 is closed but not fastened. The bilge hatch in area 11 is closed and bolted from the hold side only.
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
The Smugglers’ Ship The name of the vessel, Sea Ghost, is painted on both sides of the prow. It has a length of nearly 90 feet, a beam of 26 feet, a draft of 8 feet, and stands 9 feet above the
partitions and sealed off from area 6. All enclosed areas have a ceiling height of 8 feet except for the bilge (area 16), which is 4 feet high. The cargo hold hatch in area 1 is closed but not fastened. The bilge hatch in area 11 is closed and bolted from the hold side only.
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
beam, which is difficult terrain, requires a DC 10 Dexterity (Acrobatics) check. On a failed check, the character can’t move farther during that turn. If the check fails by 5 or more, the character
falls off the beam 30 feet to the bottom of the pit. If the crank is released once the secret door is open, it unwinds quickly, pulling the door shut. To prevent this, the lever can be pulled down to
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
beam, which is difficult terrain, requires a DC 10 Dexterity (Acrobatics) check. On a failed check, the character can’t move farther during that turn. If the check fails by 5 or more, the character
falls off the beam 30 feet to the bottom of the pit. If the crank is released once the secret door is open, it unwinds quickly, pulling the door shut. To prevent this, the lever can be pulled down to
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
beam, which is difficult terrain, requires a DC 10 Dexterity (Acrobatics) check. On a failed check, the character can’t move farther during that turn. If the check fails by 5 or more, the character
falls off the beam 30 feet to the bottom of the pit. If the crank is released once the secret door is open, it unwinds quickly, pulling the door shut. To prevent this, the lever can be pulled down to
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Light of Xaryxis
streams down from an aperture in the ceiling 175 feet above. The Astral Font has the following magical properties: Star Beam. A creature that ends its turn in the beam of light is magically teleported
pool with a brilliant beam of light penetrating it from above. Flanking the priest are Prince Xeleth and Princess Xedalli. The prince is arrayed in regal splendor, his expression one of exultation
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Light of Xaryxis
streams down from an aperture in the ceiling 175 feet above. The Astral Font has the following magical properties: Star Beam. A creature that ends its turn in the beam of light is magically teleported
pool with a brilliant beam of light penetrating it from above. Flanking the priest are Prince Xeleth and Princess Xedalli. The prince is arrayed in regal splendor, his expression one of exultation
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
ceiling. It has these features: Spelljamming Helm. In the middle of the room is a gilded wooden throne with a cushioned seat and backrest covered in black velvet sewn with silver stars. This high-backed
, 200-pound chair is the helm of the Scavenger, which was stolen by Halaster from the ship of the same name (see level 19, area 13).
Sensors. Near the ceiling float four invisible scrying sensors
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
ceiling. It has these features: Spelljamming Helm. In the middle of the room is a gilded wooden throne with a cushioned seat and backrest covered in black velvet sewn with silver stars. This high-backed
, 200-pound chair is the helm of the Scavenger, which was stolen by Halaster from the ship of the same name (see level 19, area 13).
Sensors. Near the ceiling float four invisible scrying sensors
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Light of Xaryxis
streams down from an aperture in the ceiling 175 feet above. The Astral Font has the following magical properties: Star Beam. A creature that ends its turn in the beam of light is magically teleported
pool with a brilliant beam of light penetrating it from above. Flanking the priest are Prince Xeleth and Princess Xedalli. The prince is arrayed in regal splendor, his expression one of exultation
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
a beam without slipping and falling into the awfulness of area 1E. The stone steps that wind around the outer wall come to a small (approximately 3 feet by 3 feet) stone landing, then continue upward
to the third level. Characters are safe from falling as long as they stay on the landing or the steps. A trapdoor closes off the top of the stairs at the ceiling. The door is latched with a simple
Compendium
- Sources->Dungeons & Dragons->Hoard of the Dragon Queen
a beam without slipping and falling into the awfulness of area 1E. The stone steps that wind around the outer wall come to a small (approximately 3 feet by 3 feet) stone landing, then continue upward
to the third level. Characters are safe from falling as long as they stay on the landing or the steps. A trapdoor closes off the top of the stairs at the ceiling. The door is latched with a simple
Compendium
- Sources->Dungeons & Dragons->Hoard of the Dragon Queen
a beam without slipping and falling into the awfulness of area 1E. The stone steps that wind around the outer wall come to a small (approximately 3 feet by 3 feet) stone landing, then continue upward
to the third level. Characters are safe from falling as long as they stay on the landing or the steps. A trapdoor closes off the top of the stairs at the ceiling. The door is latched with a simple






