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Returning 35 results for 'chance radius gem to have required'.
Magic Items
Dungeon Master’s Guide
This prism has 50 charges. While you are holding it, you can take a Magic action and use one of three command words to cause one of the following effects:
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
Monsters
Monster Manual
(Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit Points required to maintain the spell), Speak with Animals, Thaumaturgy1/Day Each
its Speed, and it makes one Rend attack.
Thunderclap. Constitution Saving Throw: DC 22, each creature in a 20-foot-radius Sphere centered on a point the dragon can see within 120 feet. Failure: 13 (3d8
Monsters
Monster Manual
(Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit Points required to maintain the spell), Speak with Animals, Thaumaturgy1/Day Each
one Rend attack.
Thunderclap. Constitution Saving Throw: DC 17, each creature in a 20-foot-radius Sphere centered on a point the dragon can see within 90 feet. Failure: 10 (3d6);{"diceNotation":"3d6
Magic Items
Dungeon Master’s Guide
This helm is set with 1d10 diamonds, 2d10 rubies, 3d10 fire opals, and 4d10 opals. Any gem pried from the helm crumbles to dust. When all the gems are removed or destroyed, the helm loses its magic
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
Monsters
Monster Manual
. The djinni has a 30 percent chance of knowing the Wish spell. If the djinni knows it, the djinni can cast it only on behalf of a non-genie creature who communicates a wish in a way the djinni can
has the Prone condition.
Create Whirlwind. The djinni conjures a whirlwind at a point it can see within 120 feet. The whirlwind fills a 20-foot-radius, 60-foot-high Cylinder centered on that point. The
Magic Items
Dungeon Master’s Guide
from the eye (save DC 18). The table indicates how many charges you must expend to cast the spell. Each time you cast a spell from the eye, there is a 5 percent chance that Vecna tears your soul from
minute. To you, solid objects within that radius appear transparent and don’t prevent light from passing through themselves. The vision can penetrate 1 foot of stone, 1 inch of common metal, or up to
Magic Items
Dungeon Master’s Guide
1d6 Psychic damage.
36–40
Heavy rain falls for 1 minute in a 120-foot-high, 60-foot-radius Cylinder centered on the chosen point of origin. During that time, the area of effect is Lightly
Obscured.
41–45
A cloud of 600 oversized butterflies fills a 60-foot-high, 30-foot-radius Cylinder centered on the chosen point of origin. The butterflies remain for 10 minutes, during which
Magic Items
Quests from the Infinite Staircase
bright light in a 60-foot radius and dim light for an additional 60 feet. Invisible creatures and objects are visible while in the lantern’s bright light.
While attuned to the lantern, you can
use a bonus action to dim the lantern, reducing the light to dim light in a 5-foot radius, or brighten the lantern back to its normal bright light radius.
Lenses. When found, the lantern’s
Backgrounds
The Wild Beyond the Witchlight
of light (no stat block required) that has a flying speed of 30 feet, can hover, and sheds bright light in a 5-foot radius and dim light for an additional 5 feet
Magic Items
Tomb of Annihilation
’s pommel to shed bright light in a 20-foot radius and dim light for an additional 20 feet, or make the gem go dark.
Turn the dagger into a compass that, while resting on your palm, points north
This +3 dagger belongs to Artus Cimber. While you have the dagger drawn, you can use a bonus action to activate one of the following properties:
Cause a blue gem set into the dagger
Monsters
Fizban's Treasury of Dragons
of gem dragon it was in life and has AC 20, 15 hit points, and immunity to all damage except force. Unless the gemstone is destroyed, after 1d20;{"diceNotation":"1d20", "rollType":"roll", "rollAction
unoccupied space.
While inhabited, the object becomes a magic item if it wasn’t already, and a Tiny cracked gemstone matching the kind of gem dragon the shard was in life appears somewhere on the
Monsters
Princes of the Apocalypse
Long Rest). Yan-C- Bin unleashes a terrible thundercrack in a 100-foot-radius sphere centered on himself. All other creatures in the area must succeed on a DC 24 Constitution saving throw or take 31 (9d6
touch.
Gale force winds tear across the landscape in a 5-mile radius, whisking away small or light objects, dismantling roofs and fences, tearing branches from trees, and making flight impossible
Spells
Fizban's Treasury of Dragons
of dragon: chromatic, gem, or metallic. The creature resembles a dragon of the chosen family, which determines certain traits in its stat block. The creature disappears when it drops to 0 hit points
commands (no action required by you). If you don’t issue any, it takes the Dodge action and uses its move to avoid danger.
At Higher Levels. When you cast this spell using a spell slot of 6th
Monsters
Princes of the Apocalypse
.
Wildfires erupt within a 5-mile radius of Imix’s lair. Every hour, there is a ten percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Wildfire Chance"} chance that characters in this area
through that space.
Illumination. Imix sheds bright light in a 60-foot radius and dim light for an additional 60 feet.
Legendary Resistance (3/Day). If Imix fails a saving throw, he can choose to
Monsters
Tomb of Annihilation
following properties while attuned to the dagger, provided he has the weapon drawn:
Cause a blue gem set into the dagger’s pommel to shed bright light in a 20-foot radius and dim light for an
additional 20 feet, or make the gem go dark.
Turn the dagger into a compass that, while resting on Artus’s palm, points north.
Cast dimension door from the dagger. Once this property is used
Monsters
Mordenkainen Presents: Monsters of the Multiverse
saving throw or be deafened until the end of its next turn.
Fog. The giant creates a 20-foot-radius sphere of fog (or murky water if within water) centered on a point anywhere in its lair. The sphere
spreads around corners, and its area is heavily obscured. The fog lasts until the giant disperses it (no action required), and it can’t be dispersed by wind.
Gale. The giant creates a 60-foot-long
Monsters
Fizban's Treasury of Dragons
spellcasting ability (spell save DC 12):
At will: mage hand (the hand is invisible), minor illusionEmerald dragons are the most curious, cunning, and manipulative of the gem dragons, wielding
and tail to mirror the dragon’s mood.
Clever Concealment
The shyest of the gem dragons, emerald dragons are also the most curious. They love to observe local settlements and peoples, using
Monsters
Dragonlance: Shadow of the Dragon Queen
":"1d6", "rollType":"recharge", "rollAction":"Miasma"}. Lohezet magically conjures a billowing cloud of purple fog in a 20-foot-radius sphere centered on a point within 120 feet of himself. The area
successful save, the creature takes half as much damage and isn’t poisoned. The cloud lasts for 1 minute, until Lohezet ends it early (no action required), or until Lohezet uses this action again. A
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Fiery Death and Rebirth. If the phoenix dies, it explodes. Each creature in 60-foot-radius sphere centered on the phoenix must make a DC 20 Dexterity saving throw, taking 22 (4d10);{"diceNotation
aren’t being worn or carried (no action required).
Flyby. The phoenix doesn’t provoke opportunity attack;opportunity attacks when it flies out of an enemy’s reach.
Illumination. The
Monsters
Fizban's Treasury of Dragons
hand is invisible), minor illusion
1/day each: detect thoughts, invisibility, silent imageEmerald dragons are the most curious, cunning, and manipulative of the gem dragons, wielding psionic power to
the back and tail to mirror the dragon’s mood.
Clever Concealment
The shyest of the gem dragons, emerald dragons are also the most curious. They love to observe local settlements and peoples
Monsters
The Book of Many Things
Guardian Aura. Whenever a creature of Asteria’s choice within 30 feet of her makes a saving throw, Asteria can give the creature advantage on the saving throw (no action required). This trait
everyone deserves a chance to write their own story on their own terms, and her deeds have inspired countless heroic tales.
Even after so many years, Asteria maintains a joyous wanderlust and passion for
Monsters
Quests from the Infinite Staircase
leprechaun the chance to partake in merriment or revelry such as a song, a dance, or a good meal, the leprechaun must succeed on a DC 15 Wisdom saving throw or have the charmed condition for 24 hours. While
leprechaun can revoke this gift from a creature at any time (no action required). A creature can benefit from only one leprechaun’s Gift of Luck at a time.
Spellcasting. The leprechaun casts one of
Monsters
Strixhaven: A Curriculum of Chaos
an unpredictable jumble of chance and those who believe events form a perfect—and predictable—pattern.Chronal Break (1/Day). The pledgemage chooses a point within 30 feet of itself
, shunting the minds of nearby creatures out of this moment in time. Each creature in a 10-foot-radius sphere centered on that point must succeed on a DC 13 Wisdom saving throw or be incapacitated until the end of the pledgemage’s next turn.
Monsters
Strixhaven: A Curriculum of Chaos
for 1 minute or until the professor uses this action again. The barrier can be a vertical or horizontal plane up to 30 feet on a side or a 10-foot-radius hemispherical dome with a floor. The wall
mystical study divide between those who see history as an unpredictable jumble of chance and those who believe events form a perfect—and predictable—pattern.Force
Monsters
Baldur’s Gate: Descent into Avernus
Aura of Invulnerability. An invisible aura forms a 10-foot-radius sphere around the hollyphant for as long as it lives. Any spell of 5th level or lower cast from outside the barrier can't affect
(with no chance of error)
Magic Weapons. The hollyphant's weapon attacks are magical.Tusks. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Tusks"} to hit, reach 5 ft
Monsters
Planescape: Adventures in the Multiverse
40 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Summon Demodand"} chance of summoning its choice of 1d2 farastu demodand;farastu demodands or 1 kelubar demodand. A summoned demodand
, FireNauseating Fog (Recharge 6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Nauseating Fog"}. The kelubar magically creates a cloud of greenish fog that fills a 20-foot-radius sphere centered on a
Magic Items
Tasha’s Cauldron of Everything
. While crew members are attuning themselves, any creature or structure outside and within 50 feet of the servant has a 25 percent chance of being accidentally targeted by one of its Destructive Fist
(for either attuned creature), you can command it in the following ways:
Open or close the hatch (no action required, once per turn)
Move the servant up to its speed (no action required)
As an
Monsters
Mordenkainen Presents: Monsters of the Multiverse
, Demogorgon can move the illusory duplicate a distance equal to his walking speed (no action required). The first time a creature or an object interacts physically with Demogorgon (for example, by
hitting him with an attack), there is a 50 percent chance that the illusory duplicate is affected, not Demogorgon, in which case the illusion disappears.
Regional Effects
The region containing Demogorgon
Monsters
Waterdeep: Dungeon of the Mad Mage
flames, such as lanterns, have a 50 percent chance of being extinguished.
Regional Effects
The region containing a legendary Steel dragon’s lair is warped by the dragon’s magic, which
creates one or more of the following effects.
Once per day, the dragon can alter the weather in a 6-mile radius centered on its lair. The dragon doesn’t need to be outdoors; otherwise the effect
Magic Items
Curse of Strahd
bright light in a 30-foot radius and dim light for an additional 30 feet. The light is sunlight and lasts for 10 minutes or until you end the effect (no action required).
Monsters
The Wild Beyond the Witchlight
her. Each creature in a 20-foot-radius sphere centered on that point must make a DC 13 Dexterity saving throw, taking 28 (8d6);{"diceNotation":"8d6","rollType":"damage","rollAction":"Radiant Fire
administers healing. She uses Radiant Fire against groups of foes when there’s no chance of harming allies or innocent lives, otherwise resorting to hold person spells and Divine Radiance attacks
Monsters
Fizban's Treasury of Dragons
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
":"damage", "rollAction":"Explosive Crystal", "rollDamageType":"force"} force damage and be knocked prone.Amethyst dragons, the mightiest of the gem dragons, study and psionically manipulate the
Monsters
Mordenkainen Presents: Monsters of the Multiverse
with two hands to make a melee attack.
Spores (1/Day). A 15-foot-radius cloud of toxic spores extends out from the vegepygmy. The spores spread around corners. Each creature in that area that isn
across a metal object can be mistaken for rust, and a successful DC 15 Intelligence (Nature) or Wisdom (Survival) check is required to identify it.
Effects of the Mold
Any creature that comes within
Demogorgon
Legacy
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Monsters
Out of the Abyss
of the next round. On his turn, Demogorgon can move the illusory duplicate a distance equal to his walking speed (no action required). The first time a creature or object interacts physically with
Demogorgon (for example, hitting him with an attack), there is a 50 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"illusory duplicate"} chance that it is the illusory duplicate that is
Monsters
Bigby Presents: Glory of the Giants
that fills a 30-foot-radius sphere centered on a point the giant can see within 60 feet of itself. The cloud spreads around corners. Each creature in that area must make a DC 20 Constitution saving
games of chance and wit. A destiny gambler is a cloud giant who has won increasingly high-stakes wagers against other giants, smaller folk, and even beings from the Outer Planes.
Destiny gamblers wear