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Returning 35 results for 'before beam during ceiling reaction'.
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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
This doesn't reflect the latest rules and lore.
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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
The Book of Many Things
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
until the creature is freed by the Greater Restoration spell or other magic.
A creature can use its reaction, if available, to shut its eyes to avoid the saving throw. If the creature does so, it has the blinded condition until the end of its next turn.
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->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->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->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->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->Tyranny of Dragons
collected and kept separate from the rest of the creature’s tiles.
A tile creature gains the following reaction.
Narrow Dodge. When targeted by a melee attack, the tile creature can take a reaction
image raises his hands as if summoning a creature from the pool. The doors bulge out noticeably from their frame, pushed out by the weight of stone where the ceiling of the corridor between area 4 and
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
tunnel system, older tunnels are often employed in these traps. A tunnel can be rigged to collapse by pulling a rope connected to a support beam; a fleeing kobold can yank the rope, or the beam might be in
exceedingly narrow is a natural choke point that forces invaders to fight from a disadvantaged position. Such a location usually includes a small chamber in the ceiling that features murder holes, allowing the
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
tiles are collected and kept separate from the rest of the creature’s tiles.
A tile creature gains the following reaction.
Narrow Dodge. When targeted by a melee attack, the tile creature can take a
reaction to turn its narrowest aspect toward the attacker. The attacker has disadvantage on the attack roll.
Mosaic Sun The sun is depicted in the mosaic near the hallway that is area 6 — and is
Compendium
- Sources->Dungeons & Dragons->Heroes of the Borderlands
soldiers, including Captain Andrella, are garrisoned in the gatehouse.
Gate. The gate features a massive oak double door. During invasions, soldiers can bar the doors with a heavy timber beam from
the other side.
Murder Holes. Guards atop the gatehouse can thrust spears down at invaders through holes in the ceiling of the archway.
Gatehouse Services The gatehouse offers the following
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation Supplement
. 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
damage in this cave, it can use its reaction to animate one of the tentacles of the kraken statue and cause it to make a melee weapon attack (+3 to hit) against one creature within 20 feet of the
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
, the trap triggers. Anyone who inspects the beams can easily determine that they are merely wedged in place. As an action, a character can knock over a beam, causing the trap to trigger. The ceiling
supports keeping an unstable section of a ceiling in place. The trip wire is 3 inches off the ground and stretches between two support beams. The DC to spot the trip wire is 10. A successful DC 15
Compendium
- Sources->Dungeons & Dragons->The Book of Many Things
course.
4: Sun Thick vines cover every wall in this chamber, which splits into three parallel hallways separated by walls that don’t quite reach the ceiling. The ceiling emanates a scorching, fiery
the Fool card.
This room is a version of the Surface of the Sun trap in chapter 4, but it differs from that trap in the following ways: Hotter Ceiling. Characters inside the room take 11 (2d10) fire
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
aquatic troll swims up from the depths. It has the abilities of a normal troll, but can also breathe water and has a swimming speed of 30 feet. Darkmantles These creatures cling to the ceiling as the
at stake. If this encounter occurs again, it might be with Nanny or one of her sisters, Maven Delve or Dame Spiderwort. Grell A grell descends from the cavern ceiling, attempting to grab and paralyze
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
cascade down either side of the sanctum’s entrance, casting eerie light on the vaulted ceiling. At the opposite end of the sanctum looms a towering statue of a dwarven woman. Cracks race along her arms
and have the stunned condition until the start of Ruxithid’s next turn.
Combat Command. Ruxithid commands one allied creature he can see within 60 feet of himself to strike. The creature can immediately use its reaction to make one melee weapon attack against a target within its reach.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
5. Antechamber Several traps and obstacles await visitors to these areas. The ceilings are 10 feet high throughout. 5a. Halaster’s Coin Columns. Six 10-foot-wide columns support the ceiling.
Gilded
property. When an elder rune triggers within 60 feet of the creature that possesses the coin, the creature can use its reaction and the coin to change the elder rune’s bane effect into a boon effect, or
Compendium
- Sources->Dungeons & Dragons->Heroes of the Borderlands
teakettle to entice them to approach. If a character comes within 5 feet of the slit, the mephit exhales a 15-foot Cone of harmless steam and snickers at the character’s reaction. If the characters
Cells Four cold cells line one wall of this chamber. Floor-to-ceiling iron bars partition the cells, which are unlocked and devoid of valuables. Two of the cells contain unidentifiable skeletal remains
Compendium
- Sources->Dungeons & Dragons->Sage Advice Compendium
spell that affects multiple targets, such as scorching ray or eldritch blast , do I fire one ray or beam, determine the result, and fire again? Or do I have to choose all the targets before making any
casting a spell. When a creature triggers an opportunity attack from you, you can use your reaction to make a melee attack against it. The opportunity attack doesn’t suddenly give you the ability to cast
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
burst forth from the book like steam from a kettle, collecting along the ceiling until wisps of darkness outline a vague humanoid figure. Meanwhile, the scenes inside the book transform, creating an
. Noteworthy in the scene is the replica of the enormous sculpture hanging from the ceiling above the stacks (see area F1 for a description of the sculpture). Shemshime Medium undead
Armor Class 13
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
H3. Hall of Rainbows The tunnel opens into a cave fifty feet long, thirty feet wide, and twenty feet tall. Bats chitter near the ceiling, and the floor reeks with mounds of their guano. Colorfully
mural shows the golem and the prince placing a golden cylinder inside a vault filled with stars. A beam of blue light emerges from a gem in the golem’s chest. There’s a large inscription engraved below
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
magic also opens the door. It pushes open easily from the inside. This circular chamber has an intricately carved, domed ceiling twenty feet high. A beam of light shines down from the top of the dome
intricately carved domed ceiling twenty feet high. A beam of light shines down from the top of the dome, illuminating a rectangular stone sarcophagus. Someone has turned this tomb into living quarters, as
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
information. If Raserhill has been paid to stay close by the island with his ferry, his reaction to Rasp — and the monster’s reaction to him — is up to you. 2. Courtyard Gardens An archway in the
, which holds a pile of filth beneath a trapdoor in the ceiling. A ladder is bolted to the west wall below the trapdoor. The bricked-over outlines of three arrow slits line the east wall, and an entire
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
one randomly determined creature within 10 feet of the ballista. N5. Maintenance Crystals protrude from the chitinous ceiling of this oddly shaped room. Some of the crystals are lit, and others are
tines resembling grasping claws protrude from the nearby walls and ceiling, stretching toward the sphere but stopping short of it. Along the walls are low-mounted control stations studded with knobs and
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
characters enter the tower unannounced, they get as far as area 6a before encountering someone. All rooms in the tower are brightly lit by beams of magical light, which emanate from the ceiling and shine down
floor.
Balcony. The room has a vaulted ceiling 20 feet high. Stone pillars carved to look like trees support a 10-foot-high stone balcony that runs along the north, east, and south walls. The trees
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
creature that steps inside the corridor triggers a trap. When the creature touches the corridor floor, the floor tiles depress, and a slab of stone lodged in the ceiling lowers to the ground, sealing
damage on a successful one. The stone slab seals off the corridor until the next dawn, when the slab rises into its ceiling cavity and the trap resets. In the meantime, a creature can use an action to
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
effort (see “Resisting the Rhyme”). After a few minutes, Ebder begins humming the melody as well, though he is unaware of it at first. Moments later, the hatch in the ceiling of the upper floor (area
(2d8) psychic damage on a failed save. 6 Choose three creatures in the Firefly Cellar. Each one must succeed on a DC 14 Wisdom saving throw, or it takes 7 (1d8 + 3) psychic damage and makes a melee weapon attack against one creature of your choice as a reaction.
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
, although he likes to use this 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
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 ally’s Unerring Tracker.
Compendium
- Sources->Dungeons & Dragons->Sage Advice Compendium
example, creates a beam of light that can damage a creature who enters the beam or who starts its turn in the beam. Here are some spells with the same timing as moonbeam for their areas of effect
wonder whether a creature is considered to be entering the spell’s area of effect if the area is created on the creature’s space. And if the area of effect can be moved—as the beam of moonbeam can—does
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
drow mage named Naxa, who is wearing a Cloak of Arachnida she found here. The cloak allows Naxa to climb on walls and ceilings, and she is currently on the vault’s ceiling. Meeting Naxa. If the
of the characters’ reaction to this revelation, learning it counts as a secret for the purposes of the Power of Secrets rules. At your discretion, if the characters help Naxa return to her sister and
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
and initiative count 10. Active Elements. The Path of Blades includes a set of whirling blades along the first 80 feet of the trap, crushing pillars that slam down from the ceiling to the floor before
rising back up to the ceiling in the next 50 feet, and a rune of fear in its final 30 feet. Whirling Blades (Initiative 20). The blades attack each creature in the first 80 feet of the hallway, with a