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Returning 35 results for 'under gem'.
Monsters
Fizban's Treasury of Dragons
Spider Climb. The gem stalker can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Unusual Nature. The gem stalker doesn’t require food or
drink.Multiattack. The gem stalker makes four Claw attacks.
Claw. Melee Weapon Attack: +6;{"diceNotation":"1d20+6", "rollType":"to hit", "rollAction":"Claw"} to hit, reach 5 ft., one target. Hit: 10
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
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
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
Magic Items
Dungeon Master’s Guide
This gem has 3 charges. As a Magic action, you can expend 1 charge. For the next 10 minutes, you have Truesight out to 120 feet when you peer through the gem.
The gem regains 1d3 expended charges daily at dawn.
Blue Slaad (control gem variant)
Legacy
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Monsters
Monster Manual (2014)
point.
Control Gem. Implanted in the slaad's brain is a magic control gem. The slaad must obey whoever possesses the gem and is immune to being charmed while so controlled.
Certain spells can be used to
acquire the gem. If the slaad fails its saving throw against imprisonment, the spell can transfer the gem to the spellcaster's open hand, instead of imprisoning the slaad. A wish spell, if cast in
Red Slaad (control gem variant)
Legacy
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Monsters
Monster Manual (2014)
point.
Control Gem. Implanted in the slaad's brain is a magic control gem. The slaad must obey whoever possesses the gem and is immune to being charmed while so controlled.
Certain spells can be used to
acquire the gem. If the slaad fails its saving throw against imprisonment, the spell can transfer the gem to the spellcaster's open hand, instead of imprisoning the slaad. A wish spell, if cast in
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
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
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
Elemental Gem
Legacy
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Magic Items
Basic Rules (2014)
This gem contains a mote of elemental energy. When you use an action to break the gem, an elemental is summoned as if you had cast the conjure elemental spell, and the gem's magic is lost. The type
of gem determines the elemental summoned by the spell.
Gem
Summoned Elemental
Elemental Gem (Blue Sapphire);Blue Sapphire
Air Elemental
Elemental Gem (Yellow Diamond);Yellow
Gray Slaad (control gem variant)
Legacy
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Monsters
Monster Manual (2014)
.
Regeneration. The slaad regains 10 hit points at the start of its turn if it has at least 1 hit point.
Control Gem. Implanted in the slaad’s brain is a magic control gem. The slaad must obey
whoever possesses the gem and is immune to being charmed while so controlled.
Certain spells can be used to acquire the gem. If the slaad fails its saving throw against imprisonment, the spell can
Death Slaad (control gem variant)
Legacy
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Monsters
Monster Manual (2014)
Gem. Implanted in the slaad's brain is a magic control gem. The slaad must obey whoever possesses the gem and is immune to being charmed while so controlled.
Certain spells can be used to acquire the
gem. If the slaad fails its saving throw against imprisonment, the spell can transfer the gem to the spellcaster's open hand, instead of imprisoning the slaad. A wish spell, if cast in the slaad's
Green Slaad (control gem variant)
Legacy
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Monsters
Monster Manual (2014)
advantage on saving throws against spells and other magical effects.
Regeneration. The slaad regains 10 hit points at the start of its turn if it has at least 1 hit point.
Control Gem. Implanted in the
slaad's brain is a magic control gem. The slaad must obey whoever possesses the gem and is immune to being charmed while so controlled.
Certain spells can be used to acquire the gem. If the slaad
Magic Items
The Book of Many Things
This glittering red gem is commonly found embedded in a ring or brooch.
While wearing the gem, you gain the following benefits.
Counterfeit Coins. You can use your action to magically create a pile
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
Gem of Seeing
Legacy
This doesn't reflect the latest rules and lore.
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Magic Items
Basic Rules (2014)
This gem has 3 charges. As an action, you can speak the gem's command word and expend 1 charge. For the next 10 minutes, you have truesight out to 120 feet when you peer through the gem.
The gem regains 1d3 expended charges daily at dawn.
Magic Items
Fizban's Treasury of Dragons
While you are holding this gem, you can use it as a spellcasting focus for your spells.
The gem has 3 charges and regains all expended charges daily at dawn. When you cast a spell while holding this
gem, you can expend up to 3 charges to ignore the spell’s material components with a gold piece cost, up to 500 gp per charge expended.
When you finish a long rest, choose a spell from any
Species
Fizban's Treasury of Dragons
Gem dragonborn partake of the heritage of gem dragons, who claim to be heirs of Sardior, the Ruby Dragon. The colors and mysterious powers of gem dragons—amethyst, crystal, emerald, sapphire
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
Magic Items
Out of the Abyss
A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While holding the gem, you can cast the spell from it as
the gem.
If the spell is of a higher level than you can normally cast, you must make an ability check using your spellcasting ability to determine whether you cast it successfully. The DC equals 10
Feats
Fizban's Treasury of Dragons
You’ve manifested some of the power of gem dragons, granting you the following benefits:
Ability Score Increase. Increase your Intelligence, Wisdom, or Charisma score by 1, to a maximum of 20
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
Gem Greatwyrm More so even than their chromatic and metallic kin, gem dragons are fascinated with cultivating their dragonsight and fusing the awareness of their echoes across the Material Plane
. Others seek to exploit their knowledge of the many worlds of the Material Plane as a source of power—and indeed, a gem dragon who becomes a greatwyrm has access to almost unimaginable power. Gem
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Spell Gem Wondrous item, rarity varies (attunement optional) A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While
holding the gem, you can cast the spell from it as an action if you know the spell or if the spell is on your class’s spell list. Doing so doesn’t require any components and doesn’t require attunement
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
Elemental Gem Wondrous item, uncommon This gem contains a mote of elemental energy. When you use an action to break the gem, an elemental is summoned as if you had cast the conjure elemental spell
, and the gem’s magic is lost. The type of gem determines the elemental summoned by the spell. Gem Summoned Elemental Blue sapphire Air elemental Yellow diamond Earth elemental Red corundum Fire elemental Emerald Water elemental
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
Gem Stalker When a gem dragon kills an aberrant creature from the Far Realm, the dragon sometimes reshapes the alien corpse into a gem stalker—a cunning predator capable of traversing the Underdark
, hunting Aberrations, and guarding its creator’s lair. A gem stalker is imbued with life, sapience, and purpose by the mystical energy of the gem dragon’s breath, and it is dedicated to its mission. A
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
Elemental Gem Wondrous Item, Uncommon 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
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
Spell Gem Wondrous item, rarity varies (attunement optional) A spell gem can contain one spell from any class’s spell list. You become aware of the spell when you learn the gem’s properties. While
holding the gem, you can cast the spell from it as an action if you know the spell or if the spell is on your class’s spell list. Doing so doesn’t require any components and doesn’t require attunement
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
Gem Dragonborn Sapphire, amethyst, and emerald dragonborn share stories around the fire Gem dragonborn partake of the heritage of gem dragons, who claim to be heirs of Sardior, the Ruby Dragon. The
colors and mysterious powers of gem dragons—amethyst, crystal, emerald, sapphire, and topaz—gleam in these dragonborn’s scaled skin and course through their veins. Theirs are the wonders of the mind
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Spell Gem Max. Spell Level Gemstone Rarity Save DC Attack Bonus Cantrip Obsidian Uncommon 13 +5 1st Lapis lazuli Uncommon 13 +5 2nd Quartz Rare 13 +5 3rd Bloodstone Rare 15 +7 4th Amber Very rare