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Returning 35 results for 'contains requiring gem to have rolls'.
Monsters
Monster Manual
regain Hit Points.
Magic Resistance. The dracolich has Advantage on saving throws against spells and other magical effects.
Soul Gem. The dracolich has a magical gem. If the dracolich is destroyed while
the gem is on the same plane of existence as it, the dracolich gains a new body in 1d20;{"diceNotation":"1d20", "rollType":"roll", "rollAction":"Soul Gem"} days, regaining all its Hit Points and
Magic Items
Dungeon Master’s Guide
This gem contains a mote of elemental energy. When you take a Utilize action to break the gem, an elemental is summoned (see the Monster Manual for its stat block), and the gem ceases to be magical
. The elemental appears in an unoccupied space as close to the broken gem as possible, understands your languages, obeys your commands, and takes its turn immediately after you on your Initiative count
Monsters
Monster Manual
of Light", "rollDamageType":"Radiant"} Radiant damage, and the target has Disadvantage on attack rolls until the end of the cyclops’s next turn.
Spellcasting. The cyclops casts one of the
following spells, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC 16):
2/Day Each: Arcane Eye, Detect Magic, Locate Object 1/Day: Legend LorePortent (Recharge
Monsters
Monster Manual
Blood Frenzy. The sahuagin has Advantage on attack rolls against any creature that doesn’t have all its Hit Points.
Limited Amphibiousness. The sahuagin can breathe air and water, but it must
, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC 12):
At Will: Thaumaturgy 2/Day Each: Hold Person, TonguesAcid, ColdFiendish Aid (2/Day). The sahuagin casts Bless or Healing Word, using the same spellcasting ability as Spellcasting.
Monsters
Monster Manual
ability checks and attack rolls.
Web Walker. The drider ignores movement restrictions caused by webs, and the drider knows the location of any other creature in contact with the same web.Multiattack
of the Spider Queen (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Magic of the Spider Queen"}. The drider casts Darkness, Faerie Fire, or Web, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC 14).
Monsters
Monster Manual
":"Psychic"} Psychic damage, and the target is cursed with a riddle. The cursed target has Disadvantage on ability checks and attack rolls. In addition, if it takes the Magic action, it must succeed on a DC
early if the sphinx curses another target.
Spellcasting. The sphinx casts one of the following spells, requiring no Material components and using Intelligence as the spellcasting ability (spell save
Monsters
Monster Manual
Greater Magic Resistance. The rakshasa automatically succeeds on saving throws against spells and other magical effects, and the attack rolls of spells automatically miss it. Without the rakshasa
spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 18):
At Will: Detect Magic, Detect Thoughts, Disguise Self, Mage Hand, Minor Illusion 1/Day
Magic Items
Dungeon Master’s Guide
, and an Efreeti appears in an unoccupied space within 30 feet of you.
The first time the bottle is opened, the DM rolls on the following table to determine what happens.
1d10
Effect
1
, after which it returns to the bottle, and a new stopper contains it. The stopper can’t be removed for 24 hours. The next two times the bottle is opened, the same effect occurs. If the bottle
Monsters
Monster Manual
, not both. This effect lasts until the end of its next turn.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting
turn, the target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test
Monsters
Monster Manual
Only). The animal lord has Advantage on attack rolls against the target until the start of the animal lord’s next turn.
Spellcasting. The animal lord casts one of the following spells, requiring
Monsters
Monster Manual
, not both. This effect lasts until the end of its next turn.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting
rolls 1d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test. Failure or
Monsters
Monster Manual
following effects occurs:
Pesky Swarm. The target has Disadvantage on attack rolls and ability checks until the end of its next turn.
Spellcasting. The animal lord casts one of the following spells
, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC 20):
At Will: Animal Friendship, Animal Messenger, Speak with Animals 2/Day Each: Awaken, Greater Restoration 1
Monsters
Monster Manual
magical effects.
Marshal Undead. Undead creatures of the death knight’s choice (excluding itself) in a 60-foot Emanation originating from it have Advantage on attack rolls and saving throws. It
following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 18):
At Will: Command, Phantom Steed2/Day Each: Destructive Wave (Necrotic), Dispel
Monsters
Monster Manual
. Success: Half damage.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 21, +13;{"diceNotation
", "rollType":"roll", "rollAction":"Weakening Breath"} from its damage rolls. It repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds
Monsters
Monster Manual
damage. Success: Half damage.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 24, +16
and subtracts 5 (1d10);{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Weakening Breath"} from its damage rolls. It repeats the save at the end of each of its turns, ending the effect on
Monsters
Monster Manual
sunlight, it has Disadvantage on attack rolls and ability checks.Multiattack. The vampire makes two attacks, using Grave Strike or Sickening Ray in any combination.
Grave Strike. Melee Attack Roll: +10
":"recharge", "rollAction":"Hunger of Hadar"}. The vampire casts Hunger of Hadar (level 5 version), requiring no spell components and using Charisma as the spellcasting ability (spell save DC 18).Legendary
Monsters
Monster Manual
Paralyzed condition until the weapon is removed. Sunlight. The vampire takes 20 Radiant damage if it starts its turn in sunlight. While in sunlight, it has Disadvantage on attack rolls and ability
. The vampire casts Command, requiring no spell components and using Charisma as the spellcasting ability (spell save DC 17). The vampire can’t take this action again until the start of its next
Magic Items
Dungeon Master’s Guide
Usually found in a box or pouch, this deck contains a number of cards made of ivory or vellum. Most (75 percent) of these decks have thirteen cards, but some have twenty-two. Use the appropriate
—
19–23
Fates
09–16
24–27
Flames
—
28–31
Fool
—
32–36
Gem
17–24
37–41
Jester
25–32
42–46
Magic Items
Dungeon Master’s Guide
Initiative rolls and Wisdom (Perception) checks.
Ioun Stone of Fortitude;Fortitude (Very Rare). Your Constitution increases by 2, to a maximum of 20, while this pink rhomboid orbits your head.
Ioun
them until you use them. The stone can store up to 4 levels of spells at a time. When found, it contains 1d4 levels of stored spells chosen by the DM.
Any creature can cast a spell of level 1 through
Monsters
Dragonlance: Shadow of the Dragon Queen
Special Equipment. Kansaldi has a glowing ruby embedded in her left eye socket. The gem functions as her eye and grants her truesight (included above). The gem can’t be removed while Kansaldi
is alive. When she dies, a creature can remove the gem as an action. The gem then functions as a gem of seeing.Multiattack. Kansaldi makes two Pike attacks and uses Flame Burst.
Pike. Melee Weapon
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
total) for defeating the greatwyrm after its Gem Awakening activates.
Legendary Resistance (4/Day). If the greatwyrm fails a saving throw, it can choose to succeed instead.
Unusual Nature. The
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
total) for defeating the greatwyrm after its Gem Awakening activates.
Legendary Resistance (4/Day). If the greatwyrm fails a saving throw, it can choose to succeed instead.
Unusual Nature. The
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
total) for defeating the greatwyrm after its Gem Awakening activates.
Legendary Resistance (4/Day). If the greatwyrm fails a saving throw, it can choose to succeed instead.
Unusual Nature. The
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
total) for defeating the greatwyrm after its Gem Awakening activates.
Legendary Resistance (4/Day). If the greatwyrm fails a saving throw, it can choose to succeed instead.
Unusual Nature. The
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
total) for defeating the greatwyrm after its Gem Awakening activates.
Legendary Resistance (4/Day). If the greatwyrm fails a saving throw, it can choose to succeed instead.
Unusual Nature. The
Monsters
Fizban's Treasury of Dragons
);{"diceNotation":"2d8", "rollType":"damage", "rollAction":"Heat Breath", "rollDamageType":"fire"} fire damage and has disadvantage on attack rolls until the start of its next turn.
Spellcasting (Psionics). The
dragonborn casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 15, +7;{"diceNotation":"1d20+7", "rollType":"to hit
Monsters
Vecna: Eve of Ruin
affected creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
Spellcasting. The false lich casts one of the following spells, requiring no
dies, its body disappears, and its soul is trapped inside one of the soul gems within the false lich’s skull. After 24 hours, the gem transfers the soul to the false lich’s creator.
When
Magic Items
Storm King's Thunder
This diamond contains the blood of a creature — blood that appears in the form of the blod (blood) rune. While the item is on your person, you can use your action to divine the location of the
blood seeps into the heart of the gem. If the gem is destroyed, the blood evaporates and is gone forever. A vengeful being might use a blod stone to hunt down an entire bloodline. Such stones are sometimes given as gifts to siblings or handed down from parent to child.
Monsters
Fizban's Treasury of Dragons
, the creature takes half as much damage with no additional effects.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell components and using Intelligence as the
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
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
Magic Items
Princes of the Apocalypse
This backpack contains the spirit of an air elemental and a compact leather balloon. While you’re wearing the backpack, you can deploy the balloon as an action and gain the effect of the
levitate spell for 10 minutes, targeting yourself and requiring no concentration. Alternatively, you can use a reaction to deploy the balloon when you’re falling and gain the effect of the feather
Monsters
Fizban's Treasury of Dragons
.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 14):
At will: mage hand (the
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
Magic Items
Tasha’s Cauldron of Everything
Produced by a special needle, this magic tattoo contains a single spell of up to 5th level, wrought on your skin by a magic needle. To use the tattoo, you must hold the needle against your skin and
speak the command word. The needle turns into ink that becomes the tattoo, which appears on the skin in whatever design you like. Once the tattoo is there, you can cast its spell, requiring no material
Monsters
Planescape: Adventures in the Multiverse
Shadowy Form. While the darkweaver is in dim light or darkness, attack rolls against it are made with disadvantage unless the darkweaver has the incapacitated condition.
Spider Climb. The darkweaver
in sunlight. While in sunlight, it has disadvantage on attack rolls and ability checks.Multiattack. The darkweaver makes two Shadow Web attacks and one Bite attack. It can use Reel after any of these
Magic Items
Quests from the Infinite Staircase
fuel: powdered gemstones placed in the lantern’s base. The lantern can hold a maximum of 10,000 gp worth of powdered gems, and it contains 9,000 gp of fuel when found. Thereafter it attempts to
faces display the following gem lenses: diamond, emerald, ruby, and sapphire. As part of a short or long rest, you can magically change any of these gem lenses to a different type of gem shown in the