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Returning 35 results for 'being beam diffusing ceiling radius'.
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Magic Items
Dungeon Master’s Guide
Light in a 30-foot radius and Dim Light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you take a Bonus Action to repeat the command word or until you use another
function of the gem.
Second Command Word. You expend 1 charge and cause the gem to fire a brilliant beam of light at one creature you can see within 60 feet of yourself. The creature must succeed on a
Spells
Player’s Handbook
This spell reverses gravity in a 50-foot-radius, 100-foot high Cylinder centered on a point within range. All creatures and objects in that area that aren’t anchored to the ground fall upward
and reach the top of the Cylinder. A creature can make a Dexterity saving throw to grab a fixed object it can reach, thus avoiding the fall upward.
If a ceiling or an anchored object is encountered in
Spells
Player’s Handbook
A silvery beam of pale light shines down in a 5-foot-radius, 40-foot-high Cylinder centered on a point within range. Until the spell ends, Dim Light fills the Cylinder, and you can take a Magic
Magic Items
Dungeon Master’s Guide
to cause one weapon you are holding to burst into flames. The flames emit Bright Light in a 10-foot radius and Dim Light for an additional 10 feet. The flames are harmless to you and the weapon. When
and is then destroyed. Each creature within a 60-foot Emanation originating from you must succeed on a DC 17 Dexterity saving throw or be struck by a beam, taking Radiant damage equal to the number of gems in the helm.
Spells
Player’s Handbook
A beam of yellow light flashes from you, then condenses at a chosen point within range as a glowing bead for the duration. When the spell ends, the bead explodes, and each creature in a 20-foot
-radius Sphere centered on that point makes a Dexterity saving throw. A creature takes Fire damage equal to the total accumulated damage on a failed save or half as much damage on a successful one.
The
Monsters
Quests from the Infinite Staircase
makes two Tentacle attacks or three Laser Beam attacks.
Tentacle. Melee Weapon Attack: +8;{"diceNotation":"1d20+8", "rollType":"to hit", "rollAction":"Tentacle"} to hit, reach 10 ft., one target. Hit
grappled condition (escape DC 16). While grappled, the target also has the restrained condition. The robot has two tentacles, each of which can grapple one target.
Laser Beam. Ranged Weapon Attack: +5
Gem of Brightness
Legacy
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Magic Items
Basic Rules (2014)
bright light in a 30-foot radius and dim light for an additional 30 feet. This effect doesn't expend a charge. It lasts until you use a bonus action to repeat the command word or until you use another
function of the gem.
The second command word expends 1 charge and causes the gem to fire a brilliant beam of light at one creature you can see within 60 feet of you. The creature must succeed on a
Monsters
Eberron: Rising from the Last War
. Any creature in a 20-foot-radius, 20-foot-high cylinder centered on this point must succeed on a DC 26 Dexterity saving throw or take 33 (6d10);{"diceNotation":"6d10","rollType":"damage","rollAction
longer restrained.
Structures, as well as nonmagical objects that are neither being worn nor carried, take the same amount of damage if they are in the cylinder (no save).
Incinerating Beam
Ancient Blue Dragon
Legacy
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Monsters
Basic Rules (2014)
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
(3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Ceiling Collapse","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone and buried. The buried target is restrained and
Moonbeam
Legacy
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Spells
Basic Rules (2014)
A silvery beam of pale light shines down in a 5-foot-radius, 40-foot-high cylinder centered on a point within range. Until the spell ends, dim light fills the cylinder.
When a creature enters the
assume a different form until it leaves the spell’s light.
On each of your turns after you cast this spell, you can use an action to move the beam up to 60 feet in any direction.
At Higher
Adult Blue Dragon
Legacy
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Monsters
Basic Rules (2014)
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
(3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Ceiling Collapse","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone and buried. The buried target is restrained and
Sunbeam
Legacy
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Spells
Basic Rules (2014)
A beam of brilliant light flashes out from your hand in a 5-foot-wide, 60-foot-long line. Each creature in the line must make a Constitution saving throw. On a failed save, a creature takes 6d8
create a new line of radiance as your action on any turn until the spell ends.
For the duration, a mote of brilliant radiance shines in your hand. It sheds bright light in a 30-foot radius and dim light for an additional 30 feet. This light is sunlight.
Helm of Brilliance
Legacy
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Magic Items
Basic Rules (2014)
one diamond, the helm emits dim light in a 30-foot radius when at least one undead is within that area. Any undead that starts its turn in that area takes 1d6 radiant damage.
As long as the helm has
flames. The flames emit bright light in a 10-foot radius and dim light for an additional 10 feet. The flames are harmless to you and the weapon. When you hit with an attack using the blazing weapon
Reverse Gravity
Legacy
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Spells
Basic Rules (2014)
This spell reverses gravity in a 50-foot-radius, 100- foot high cylinder centered on a point within range. All creatures and objects that aren't somehow anchored to the ground in the area fall upward
ceiling) is encountered in this fall, falling objects and creatures strike it just as they would during a normal downward fall. If an object or creature reaches the top of the area without striking
Adult White Dragon
Legacy
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Monsters
Basic Rules (2014)
the ceiling to latch on like bats or slithering down icy crevasses.
A legendary white dragon’s innate magic deepens the cold in the area around its lair. Mountain caverns are fast frozen by the
a row:
Freezing fog fills a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The fog spreads around corners, and its area is heavily obscured. Each creature in
Ancient White Dragon
Legacy
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Monsters
Basic Rules (2014)
the ceiling to latch on like bats or slithering down icy crevasses.
A legendary white dragon’s innate magic deepens the cold in the area around its lair. Mountain caverns are fast frozen by the
a row:
Freezing fog fills a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The fog spreads around corners, and its area is heavily obscured. Each creature in
Monsters
Candlekeep Mysteries
, Zikzokrishka can take a lair action to cause one of the following effects. She can’t use the same effect two rounds in a row:
Part of the ceiling collapses above one creature that Zikzokrishka
can see. The creature must succeed on a DC 15 Dexterity saving throw or take 21 (6d6);{"diceNotation":"6d6","rollType":"damage","rollAction":"Ceiling Collapse","rollDamageType":"bludgeoning
Delayed Blast Fireball
Legacy
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Spells
Basic Rules (2014)
A beam of yellow light flashes from your pointing finger, then condenses to linger at a chosen point within range as a glowing bead for the duration. When the spell ends, either because your
concentration is broken or because you decide to end it, the bead blossoms with a low roar into an explosion of flame that spreads around corners. Each creature in a 20-foot-radius sphere centered on that
Ancient Brass Dragon
Legacy
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Monsters
Basic Rules (2014)
speed.A Brass Dragon’s Lair
A brass dragon’s desert lair is typically a ruin, canyon, or cave network with ceiling holes to allow for sunlight.
Lair Actions
On initiative count 20 (losing
, have a 50 percent chance of being extinguished.
A cloud of sand swirls about in a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The cloud spreads around corners
Monsters
Storm King's Thunder
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
","rollType":"damage","rollAction":"Collapsing Ceiling","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone and buried. The buried target is restrained and unable to breathe or
Adult Brass Dragon
Legacy
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Monsters
Basic Rules (2014)
’s desert lair is typically a ruin, canyon, or cave network with ceiling holes to allow for sunlight.
Lair Actions
On initiative count 20 (losing initiative ties), the dragon takes a lair action
.
A cloud of sand swirls about in a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The cloud spreads around corners. Each creature in it must succeed on a DC 15
Monsters
The Book of Many Things
an action to wake it.
Moonlight Breath. Pazrodine exhales a beam of moonlight in a 120-foot line that is 10 feet wide. Each creature in that area must make a DC 21 Dexterity saving throw, taking 60
saving throw or have the incapacitated condition until the end of its next turn.
Whirlwind of Fruit. Fey fruit flies out from nearby carts, creating a whirlwind of fruit in a 10-foot-radius, 30-foot-high
Monsters
Fizban's Treasury of Dragons
the air is cool and slightly damp.
Glowing Crystals. Large clusters of glowing amethyst crystals grow out from the walls and ceiling, casting dim light in a 30-foot radius.
Chimneys. Two chimneys
amethyst that that explodes at a point it can see within 60 feet of it. Each creature within a 20-foot-radius sphere centered on that point must succeed on a DC 20 Dexterity saving throw or take 13 (3d8
Spells
Elemental Evil Player's Companion
reduced to 0 hit points, a pillar crumbles into rubble, which creates an area of difficult terrain with a 10-foot radius that lasts until the rubble is cleared. Each 5-foot-diameter portion of the area
save.
If a pillar is prevented from reaching its full height because of a ceiling or other obstacle, a creature on the pillar takes 6d6 bludgeoning damage and is restrained, pinched between the
Monsters
Fizban's Treasury of Dragons
ceiling, casting dim light in a 30-foot radius.
Chimneys. Two chimneys connect the main caves to the three chambers above. Each chimney appears to continue up through the ceiling of the upper level and
point it can see within 60 feet of it. Each creature within a 20-foot-radius sphere centered on that point must succeed on a DC 23 Dexterity saving throw or take 18 (4d8);{"diceNotation":"4d8", "rollType
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
Circle of Power 5th-level abjuration Casting Time: 1 action Range: Self (30-foot radius) Components: V Duration: Concentration, up to 10 minutes Divine energy radiates from you, distorting and
diffusing magical energy within 30 feet of you. Until the spell ends, the sphere moves with you, centered on you. For the duration, each friendly creature in the area (including you) has advantage on saving
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
: First Command Word. The gem sheds Bright Light in a 30-foot radius and Dim Light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you take a Bonus Action to repeat the
command word or until you use another function of the gem.
Second Command Word. You expend 1 charge and cause the gem to fire a brilliant beam of light at one creature you can see within 60 feet of
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
: First Command Word. The gem sheds Bright Light in a 30-foot radius and Dim Light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you take a Bonus Action to repeat the
command word or until you use another function of the gem.
Second Command Word. You expend 1 charge and cause the gem to fire a brilliant beam of light at one creature you can see within 60 feet of
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
first command word causes the gem to shed bright light in a 30-foot radius and dim light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you use a bonus action to repeat
the command word or until you use another function of the gem. The second command word expends 1 charge and causes the gem to fire a brilliant beam of light at one creature you can see within 60 feet of
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
Brightness The first command word causes the gem to shed bright light in a 30-foot radius and dim light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you use a bonus
action to repeat the command word or until you use another function of the gem. The second command word expends 1 charge and causes the gem to fire a brilliant beam of light at one creature you can
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
minute A silvery beam of pale light shines down in a 5-foot-radius, 40-foot-high cylinder centered on a point within range. Until the spell ends, dim light fills the cylinder. When a creature enters the
different form until it leaves the spell’s light. On your turns after you cast this spell, you can use an action to move the beam up to 60 feet in any direction. At Higher Levels. When you cast this
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
minute A silvery beam of pale light shines down in a 5-foot-radius, 40-foot-high cylinder centered on a point within range. Until the spell ends, dim light fills the cylinder. When a creature enters the
different form until it leaves the spell’s light. On your turns after you cast this spell, you can use an action to move the beam up to 60 feet in any direction. At Higher Levels. When you cast this
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
Sunbeam 6th-level evocation Casting Time: 1 action Range: Self (60-foot line) Components: V, S, M (a magnifying glass) Duration: Concentration, up to 1 minute A beam of brilliant light flashes out
on any turn until the spell ends. For the duration, a mote of brilliant radiance shines in your hand. It sheds bright light in a 30-foot radius and dim light for an additional 30 feet. This light is sunlight.
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
Sunbeam 6th-level evocation Casting Time: 1 action Range: Self (60-foot line) Components: V, S, M (a magnifying glass) Duration: Concentration, up to 1 minute A beam of brilliant light flashes out
on any turn until the spell ends. For the duration, a mote of brilliant radiance shines in your hand. It sheds bright light in a 30-foot radius and dim light for an additional 30 feet. This light is sunlight.
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






