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Returning 35 results for 'beam being diameter completely reduced'.
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Monsters
Monster Manual
":"Radiant"} Radiant damage. Success: Half damage. Failure or Success: A creature reduced to 0 Hit Points by this beam disintegrates into dust, leaving behind any magic items it was wearing or
":"Radiant"} Radiant damage. If the target is a Large or smaller creature, it has the Prone condition.
Divine Beam (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Divine Beam
Spells
Player’s Handbook
A frigid beam of blue-white light streaks toward a creature within range. Make a ranged spell attack against the target. On a hit, it takes 1d8 Cold damage, and its Speed is reduced by 10 feet until
Spells
Player’s Handbook
in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a solid
barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area.
When you cast the spell, any creature that is completely inside the cage’s area is
Magic Items
Dungeon Master’s Guide
This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 Beads of Force are found together.
You can take a Magic action to throw the bead up to 60 feet
force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on the save or are partially within
Magic Items
Dungeon Master’s Guide
This 2-foot-diameter black sphere is a hole in the multiverse, hovering in space and stabilized by a magical field surrounding it.
The sphere obliterates all matter it passes through and all matter
succeed on a DC 19 Dexterity saving throw or be touched by it, taking 8d10 Force damage. A creature reduced to 0 Hit Points by this damage is obliterated, leaving its possessions behind but no other
Ray of Frost
Legacy
This doesn't reflect the latest rules and lore.
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Spells
Basic Rules (2014)
A frigid beam of blue-white light streaks toward a creature within range. Make a ranged spell attack against the target. On a hit, it takes 1d8 cold damage, and its speed is reduced by 10 feet until
Forcecage
Legacy
This doesn't reflect the latest rules and lore.
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Spells
Basic Rules (2014)
in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart.
A prison in the shape of a box can be up to 10 feet on a side, creating a solid
barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area.
When you cast the spell, any creature that is completely inside the cage's area is
Monsters
Phandelver and Below: The Shattered Obelisk
;surprised.Multiattack. The oculorb makes two Dreadful Contact attacks or four Eye Beam attacks.
Dreadful Contact. Melee Weapon Attack: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction
+ 4);{"diceNotation":"6d6+4", "rollType":"damage", "rollAction":"Dreadful Contact", "rollDamageType":"psychic"} psychic damage if the target has the frightened condition.
Eye Beam. Ranged Spell
Monsters
Eberron: Rising from the Last War
much damage on a successful one. A creature reduced to 0 hit points by this beam is disintegrated, leaving behind anything it was wearing or carrying.In the final days of the Last War, House Cannith
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
Monsters
Fizban's Treasury of Dragons
Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon
Spellcasting.
Psychic Beam (Costs 3 Actions). The greatwyrm emits a beam of psychic energy in a 90-foot line that is 10 feet wide. Each creature in that area must make a DC 26 Intelligence saving throw
Bead of Force
Legacy
This doesn't reflect the latest rules and lore.
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Magic Items
Basic Rules (2014)
This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 beads of force are found together.
You can use an action to throw the bead up to 60 feet. The bead
force then encloses the area for 1 minute. Any creature that failed the save and is completely within the area is trapped inside this sphere. Creatures that succeeded on the save, or are partially
Monsters
Fizban's Treasury of Dragons
Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon
Spellcasting.
Psychic Beam (Costs 3 Actions). The greatwyrm emits a beam of psychic energy in a 90-foot line that is 10 feet wide. Each creature in that area must make a DC 26 Intelligence saving throw
Monsters
Fizban's Treasury of Dragons
Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon
Spellcasting.
Psychic Beam (Costs 3 Actions). The greatwyrm emits a beam of psychic energy in a 90-foot line that is 10 feet wide. Each creature in that area must make a DC 26 Intelligence saving throw
Monsters
Fizban's Treasury of Dragons
Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon
Spellcasting.
Psychic Beam (Costs 3 Actions). The greatwyrm emits a beam of psychic energy in a 90-foot line that is 10 feet wide. Each creature in that area must make a DC 26 Intelligence saving throw
Monsters
Fizban's Treasury of Dragons
Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon
Spellcasting.
Psychic Beam (Costs 3 Actions). The greatwyrm emits a beam of psychic energy in a 90-foot line that is 10 feet wide. Each creature in that area must make a DC 26 Intelligence saving throw
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
You cause up to six pillars of stone to burst from places on the ground that you can see within range. Each pillar is a cylinder that has a diameter of 5 feet and a height of up to 30 feet. The
Ice Devil (Spear Variant)
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Monster Manual (2014)
":"Ice Spear","rollDamageType":"cold"} cold damage. If the target is a creature, it must succeed on a DC 15 Constitution saving throw, or for 1 minute, its speed is reduced by 10 feet; it can take either
it's a hemispherical dome up to 20 feet in diameter.
When the wall appears, each creature in its space is pushed out of it by the shortest route. The creature chooses which side of the wall to end up on
Monsters
Storm King's Thunder
);{"diceNotation":"2d10","rollType":"damage","rollAction":"Smoke Cloud","rollDamageType":"fire"} fire damage. The cloud lasts until the end of Maegera’s next turn. Creatures completely within the
cloud are blinded and can’t be seen.
Create Fire Elemental (Costs 3 Actions). Maegera’s hit points are reduced by 50 as part of it separates and becomes a fire elemental with 102 hit
Monsters
Spelljammer: Adventures in Space
Spelljammer Overload. If the leech is reduced to 0 hit points while attached to a ship that has a spelljamming helm, the creature attuned to that helm must make a DC 13 Constitution saving throw. On
shell is affixed to the ship by a glue-like substance secreted by the leech. The shell grows until it’s about 1 foot in diameter. The leech inside is reddish-purple in color, with a body resembling
Monsters
Spelljammer: Adventures in Space
-foot-diameter tunnel in its wake.
Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks.
Bite. Melee Weapon Attack: +11;{"diceNotation
","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t
Monsters
Spelljammer: Adventures in Space
-foot-diameter tunnel in its wake.
Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks.
Bite. Melee Weapon Attack: +14;{"diceNotation
Breath","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t
Monsters
Mordenkainen Presents: Monsters of the Multiverse
, this creature can move up to 20 feet through spaces no more than an inch in diameter. It must end this movement in a space that can accommodate its full size. Otherwise, it takes 5 force damage and
critical hit or is reduced to 0 hit points, it sprays acid; each creature within 5 feet of it takes acid damage equal to its number of Hit Dice.
Acid, Poison; Bludgeoning, Piercing, and Slashing that is NonmagicalCold, Fire, Lightning
Monsters
Princes of the Apocalypse
of Imix, and disappear if Imix is reduced to 0 hit points.Imix can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end
die and ponds dry up; after 10 days, unprotected livestock dies, and wells and small rivers dry up; after 20 days, large lakes and rivers are reduced in depth by 20 feet and shrink accordingly
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
Ray of Frost Evocation Cantrip (Sorcerer, Wizard) Casting Time: Action
Range: 60 feet
Components: V, S
Duration: Instantaneous
A frigid beam of blue-white light streaks toward a creature
within range. Make a ranged spell attack against the target. On a hit, it takes 1d8 Cold damage, and its Speed is reduced by 10 feet until the start of your next turn. Cantrip Upgrade. The damage increases by 1d8 when you reach levels 5 (2d8), 11 (3d8), and 17 (4d8).
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
Ray of Frost Evocation Cantrip (Sorcerer, Wizard) Casting Time: Action
Range: 60 feet
Components: V, S
Duration: Instantaneous
A frigid beam of blue-white light streaks toward a creature
within range. Make a ranged spell attack against the target. On a hit, it takes 1d8 Cold damage, and its Speed is reduced by 10 feet until the start of your next turn. Cantrip Upgrade. The damage increases by 1d8 when you reach levels 5 (2d8), 11 (3d8), and 17 (4d8).
Compendium
- Sources->Dungeons & Dragons->Uni and the Hunt for the Lost Horn
Ray of Frost Evocation Cantrip (Sorcerer, Wizard) Casting Time: Action
Range: 60 feet
Components: V, S
Duration: Instantaneous
A frigid beam of blue-white light streaks toward a creature
within range. Make a ranged spell attack against the target. On a hit, it takes 1d8 Cold damage, and its Speed is reduced by 10 feet until the start of your next turn. Cantrip Upgrade. The damage increases by 1d8 when you reach levels 5 (2d8), 11 (3d8), and 17 (4d8).
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
Ray of Frost Evocation cantrip Casting Time: 1 action Range: 60 feet Components: V, S Duration: Instantaneous A frigid beam of blue-white light streaks toward a creature within range. Make a ranged
spell attack against the target. On a hit, it takes 1d8 cold damage, and its speed is reduced by 10 feet until the start of your next turn. The spell’s damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
Ray of Frost Evocation cantrip Casting Time: 1 action Range: 60 feet Components: V, S Duration: Instantaneous A frigid beam of blue-white light streaks toward a creature within range. Make a ranged
spell attack against the target. On a hit, it takes 1d8 cold damage, and its speed is reduced by 10 feet until the start of your next turn. The spell’s damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
save, or half as much damage on a successful one. A creature reduced to 0 hit points from this acid damage is completely dissolved. Surgical Precision. Controlling the fluid’s release more carefully
enters the digestion pool for the first time on its turn or starts its turn there takes 33 (6d10) acid damage. Increase the damage to 99 (18d10) acid damage if the creature is fully immersed in the pool. A creature reduced to 0 hit points from this acid damage is completely dissolved.
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
feet in diameter—plenty of room for those who wish to leap in and be completely and forever destroyed. A character who examines the mouth and succeeds on a DC 20 Intelligence (Arcana) check identifies the trap for what it is.
Monsters
Fizban's Treasury of Dragons
next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell
split open to show their contents and clusters of crystal points more than a foot in diameter that extend six to ten feet from the interior stone surfaces of the lair. These crystals resonate with the
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
prison in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a
solid barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage’s area is
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Light of Xaryxis
ahead to the “All Hail Emperor Xedalli!” section. Astral Font The Astral Font is a 40-foot-diameter, 2-foot-deep pool of glowing, pale liquid fed by a 10-foot-diameter beam of harmless blue light, which
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->Player's Handbook (2014)
from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a solid barrier that prevents any matter from passing through it and blocking
any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage’s area is trapped. Creatures only partially within the area, or those too large to fit
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
prison in the shape of a cage can be up to 20 feet on a side and is made from 1/2-inch diameter bars spaced 1/2 inch apart. A prison in the shape of a box can be up to 10 feet on a side, creating a
solid barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage’s area is






