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Returning 35 results for 'before beam diffusing cause reduces'.
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Magic Items
Dungeon Master’s Guide
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
Word. You expend 5 charges and cause the gem to flare with intense light in a 30-foot Cone. Each creature in the Cone makes a saving throw as if struck by the beam created with the second command word.
When all of the gem’s charges are expended, the gem becomes a nonmagical jewel worth 50 GP.
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.
Gem of Brightness
Legacy
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Magic Items
Basic Rules (2014)
This prism has 50 charges. While you are holding it, you can use an action to speak one of three command words to cause one of the following effects:
The first command word causes the gem to shed
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
Quests from the Infinite Staircase
heart.Multiattack. Nafik can use his Dreadful Glare and makes one Rotting Fist or Unholy Beam attack.
Rotting Fist. Melee Weapon Attack: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction
"} for every 24 hours that elapse. If the curse reduces the target’s hit point maximum to 0, the target dies and its body turns to dust. The curse lasts until removed by the Remove Curse spell or
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
spell’s area for the first time on a turn or starts its turn there, it is engulfed in ghostly flames that cause searing pain, and it must make a Constitution saving throw. It takes 2d10 radiant
Monsters
Misplaced Monsters: Volume One
":"recharge", "rollAction":"Haloed Horn Burst"}. Rain uses her haloed horn to produce one of the following magical effects:
Glitterstorm. Rain emits a rainbow beam in a 30-foot line that is 5 feet wide
damage on a failed saving throw, or half as much damage on a successful one; creatures of evil alignment have disadvantage on this saving throw. If the damage from this effect reduces a creature to 0 hit
Monsters
Storm King's Thunder
: meld into stone, stone shape
1/day: stoneskin, time stop
Animate Golem. Once during this adventure, as an action, Kayalithica can point to one of the fossilized stone giants in this cave and cause it
- this magic weapon has no bonus to attack or damage rolls. A creature can attune to it, and the weapon enlarges or reduces to be an appropriate size for that creature.Multiattack. The giant makes two
Helm of Brilliance
Legacy
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Magic Items
Basic Rules (2014)
at least one ruby, you have resistance to fire damage.
As long as the helm has at least one fire opal, you can use an action and speak a command word to cause one weapon you are holding to burst into
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. The helm and its gems are then destroyed.
Monsters
Baldur’s Gate: Descent into Avernus
of its next turn.Unstoppable (3/Day). The death's head reduces the damage it takes from an attack to 0.Bhaal's cultists emulate their deity, carrying out gruesome murders to spread fear and horror
victims vulnerable to their long-bladed knives. When Bhaal's magic works its power, stab wounds erupt in terrible gouts of blood. Seemingly minor wounds plunge deep into a victim's body and cause
Monsters
Monstrous Compendium Vol. 4: Eldraine Creatures
: silent imageTricksy Parry. Immediately after taking damage, the faerie reduces the damage taken by 2 (1d4);{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Tricksy Parry"}.Faerie borrowers
are tiny thieves who steal whatever they can lay their hands on to cause confusion and consternation. A faerie borrower stands less than six inches tall, with blue or blue-gray skin and wings resembling
Monsters
Vecna: Eve of Ruin
a pristine black rose.
Undead Fortitude. If damage reduces the bearer to 0 hit points, it must make a Constitution saving throw with a DC of 5 plus the damage taken, unless the damage is radiant or
as a guardian. Its name derives from the preserved black rose the bearer carries inside a delicate bell jar. The slightest jostle can cause the bearer to lose its grasp on the bell jar, destroying
Death Tyrant
Legacy
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Monsters
Monster Manual (2014)
succeed on a DC 17 Dexterity saving throw or take 45 (10d8);{"diceNotation":"10d8","rollAction":"Disintegration Ray","rollType":"damage","rollDamageType":"force"} force damage. If this damage reduces the
take 55 (10d10);{"diceNotation":"10d10","rollAction":"Death Ray","rollType":"damage","rollDamageType":"necrotic"} necrotic damage. The target dies if the ray reduces it to 0 hit points.
The death
Beholder
Legacy
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Monsters
Monster Manual (2014)
or take 45 (10d8);{"diceNotation":"10d8","rollType":"damage","rollAction":"Disintegration Ray","rollDamageType":"force"} force damage. If this damage reduces the creature to 0 hit points, its body
":"10d10","rollType":"damage","rollAction":"Death Ray","rollDamageType":"necrotic"} necrotic damage. The target dies if the ray reduces it to 0 hit points.
The beholder can take 3 legendary actions
Monsters
Guildmasters’ Guide to Ravnica
Infusion. Jarad is surrounded by a cloud of spores. As a bonus action, he can cause the spores to deal 11 (2d10);{"diceNotation":"2d10","rollType":"damage","rollAction":"Spore Infusion","rollDamageType
":"poison"} poison damage to a creature he can see within 10 feet of him.
Turn Resistance. Jarad has advantage on saving throws against any effect that turns undead.
Undead Fortitude. If damage reduces
Dybbuk
Legacy
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Monsters
Mordenkainen’s Tome of Foes
cause a quadruped to move as a biped. Any beast or humanoid that sees this behavior must succeed on a DC 12 Wisdom saving throw or become frightened of the dybbuk for 1 minute. The frightened creature can
":"Tendril"}. This reduction lasts until the target finishes a short or long rest. The target dies if this effect reduces its hit point maximum to 0.
Possess Corpse (Recharge 6);{"diceNotation":"1d6
Mummy Lord
Legacy
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Monsters
Basic Rules (2014)
, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target's hit point maximum
On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row.
Each
Yeenoghu
Legacy
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Monsters
Out of the Abyss
. When Yeenoghu reduces a creature to 0 hit points with a melee attack on his turn, Yeenoghu can take a bonus action to move up to half his speed and make a bite attack.Multiattack. Yeenoghu makes three
flail attacks. If an attack hits, he can cause it to create an additional effect of his choice or at random (each effect can be used only once per Multiattack):
1. The attack deals an extra 13 (2d12
Monsters
Mordenkainen Presents: Monsters of the Multiverse
+ 9);{"diceNotation":"2d12+9", "rollType":"damage", "rollAction":"Flail", "rollDamageType":"force"} force damage. If it’s his turn, Yeenoghu can cause the target to suffer one of the following
this creature’s proficiency bonus plus its Strength modifier, reach 5 ft., one target. Hit: 1d4 + this creature’s Strength modifier piercing damage.
Rampage. When this creature reduces a
Monsters
Mordenkainen Presents: Monsters of the Multiverse
another creature dealing damage to the nilbog, the nilbog reduces the damage to 0 and regains 3 (1d6);{"diceNotation":"1d6","rollType":"heal","rollAction":"Reversal of Fortune"} hit points.When
that cause disorder unless they are appeased. Goblins have no name for this deity and dare not give it one, lest Maglubiyet use its name to ensnare and crush it as he did their other deities. They
Monsters
Tyranny of Dragons
decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target’s hit point maximum to 0, the target
encountered in its lair has a challenge rating of 16 (15,000 XP).
Lair Actions
On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects
Demilich (Variant)
Legacy
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Monsters
Monster Manual (2014)
":"necrotic"} necrotic damage, and if this damage reduces the target to 0 hit points, its soul is trapped as if it failed the saving throw. A soul trapped in a gem for 24 hours is devoured and ceases to
Action"}. On a result of 11 or higher, the demilich takes a lair action to cause one of the following effects. It can’t use the same effect two rounds in a row.
The tomb trembles violently for
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
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
itself on a success.
Third Command Word. You expend 5 charges and cause the gem to flare with intense light in a 30-foot Cone. Each creature in the Cone makes a saving throw as if struck by the beam
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
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
itself on a success.
Third Command Word. You expend 5 charges and cause the gem to flare with intense light in a 30-foot Cone. Each creature in the Cone makes a saving throw as if struck by the beam
Monsters
Candlekeep Mysteries
","rollType":"roll","rollAction":"Hit Point Reduction"} for every 24 hours that elapse. If the curse reduces the target’s hit point maximum to 0, the target dies, and its body turns to dust. The curse
Sarnaster’s Lair
Valin can use her lair actions in any area of the tomb.
Lair Actions
On initiative count 20 (losing initiative ties), Valin takes a lair action to cause one of the following
Monsters
The Wild Beyond the Witchlight
within 10 feet of Bavlorna cause her to lapse into a fit of sneezing. See the stat block for more details.
Hourglass Coven
The Hourglass Coven is a group of three hags, each one bound to an aspect of
the start of each of its turns. If the swallowed creature is one of Bavlorna’s lornlings, Bavlorna gains all the lornling’s memories when the acid damage reduces it to 0 hit points
Monsters
Waterdeep: Dungeon of the Mad Mage
, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target's hit point maximum
takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row.
Each undead creature in the lair can pinpoint the location of each
Monsters
Eberron: Rising from the Last War
","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, Dyrrn kills the target by extracting and devouring its brain.Dyrrn can take 3
within the Palace of Sinew, Dyrrn can invoke the ambient magic to take lair actions. On initiative count 20 (losing initiative ties), Dyrrn can take a lair action to cause one of the following effects; it
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
spell’s area for the first time on a turn or starts its turn there, it is engulfed in ghostly flames that cause searing pain, and it must make a Constitution saving throw. It takes 2d10 radiant damage
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
spell’s area for the first time on a turn or starts its turn there, it is engulfed in ghostly flames that cause searing pain, and it must make a Constitution saving throw. It takes 2d10 radiant damage
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
Gem of Brightness Wondrous item, uncommon This prism has 50 charges. While you are holding it, you can use an action to speak one of three command words to cause one of the following effects: The
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)
Gem of Brightness Wondrous item, uncommon This prism has 50 charges. While you are holding it, you can use an action to speak one of three command words to cause one of the following effects: Gem of
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->Van Richten’s Guide to Ravenloft
hardiest adventurers find themselves worn down over time, their performance suffering as they struggle to cope with the dread and despair. Various circumstances might cause a character stress. Stress
circumstances reduces their Stress Score by 1 when they finish their next long rest. The calm emotions spell effect used to suppress the charmed and frightened conditions also suppresses the effects of
Monsters
Eberron: Rising from the Last War
successful one. If this damage reduces a creature to 0 hit points, it dies and transforms into a spectator under Belashyrra’s control and acts immediately after Belashyrra in the initiative order
initiative ties), Belashyrra can take a lair action to cause one of the following effects; it can’t use the same effect two rounds in a row:
An eye opens on a solid surface within 60 feet of
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
antics sometimes cause avalanches that threaten nearby villages.
5
An adult crystal dragon enjoys shaping the ice and snow near a den of troll;trolls into a labyrinth and watching the trolls try to
Monsters
Mythic Odysseys of Theros
","rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. If the damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even
count 20 (losing initiative ties), Arasta can take a lair action to cause one of the following effects. She can’t use the same effect two rounds in a row.
Arasta learns about any creature






