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Returning 35 results for 'gem roll'.
Monsters
Monster Manual
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
’t 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
Monsters
Monster Manual
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
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
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
specified type as a component: Daylight (opal), Fireball (fire opal), Prismatic Spray (diamond), or Wall of Fire (ruby). The gem is destroyed when the spell is cast and disappears from the helm
Magic Items
Dungeon Master’s Guide
the hat. Roll 1d4 to determine the object: on a 1, a Dagger; on a 2, a Rope with a Grappling Hook tied to one end; on a 3, a bag of Caltrops; on a 4, a gem worth 50 GP.
81–85
A creature
out of the hat. Roll 1d4 to determine the object: on a 1, a vial of Acid; on a 2, a flask of Alchemist's Fire; on a 3, a Crowbar; on a 4, a lit Torch.
66–70
You suffer a bout of “magic
Magic Items
Dungeon Master’s Guide
charges daily at dawn. If you expend the wand’s last charge, roll 1d20. On a 1, the wand crumbles into dust and is destroyed.
Wand of Wonder Effects
1d100
Effect
01–20
You cast
a spell originating from the chosen point. Roll 1d10 to determine the spell: on a 1–2, Darkness; on a 3–4, Faerie Fire; on a 5–6, Fireball; on a 7–8, Slow; on a 9–10
Magic Items
Dungeon Master’s Guide
—
19–23
Fates
09–16
24–27
Flames
—
28–31
Fool
—
32–36
Gem
17–24
37–41
Jester
25–32
42–46
effect.
Comet. The next time you enter combat against one or more Hostile creatures, you can select one of them as your foe when you roll Initiative. If you reduce your foe to 0 Hit Points during that
Monsters
Forgotten Realms: Adventures in Faerûn
until he is reduced to 0 Hit Points. If Sammaster is reduced to 0 Hit Points, his dracolich form dissolves to dust. After 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Soul Gem"} days
Resistance. Sammaster has Advantage on saving throws against spells and other magical effects.
Soul Gem. Sammaster has a magical soul gem as his dracolich heart. The gem can’t be damaged or removed
Monsters
Forgotten Realms: Adventures in Faerûn
to dust. After 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Soul Gem"} days, he appears in the space of his soul gem, using the Sammaster (Dracolich Form) stat block. The gem is a
Resistance. Sammaster has Advantage on saving throws against spells and other magical effects.
Soul Gem. If Sammaster is reduced to 0 Hit Points while his magical soul gem exists, his lich form dissolves
Monsters
Forgotten Realms: Adventures in Faerûn
", "rollType":"roll", "rollAction":"Spirit Gem"} days if her spirit gem is intact, reviving with all her Hit Points. The new body appears in an unoccupied space within her lair.Multiattack. Valindra makes
Legendary Resistance (4/Day or 5/Day in Lair). If Valindra fails a saving throw, she can choose to succeed instead.
Spirit Gem. If destroyed, Valindra re-forms in 1d10;{"diceNotation":"1d10
Monsters
Fizban's Treasury of Dragons
of it is about to take damage, the gem stalker reduces that damage by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Protective Link"}. The gem stalker then takes damage equal to
roll it makes before the start of the gem stalker’s next turn.
Sapphire. The target must succeed on a DC 13 Strength saving throw or be pushed horizontally up to 10 feet away from the gem
Blue Slaad (control gem variant)
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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
Augury
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Spells
Basic Rules (2014)
By casting gem-inlaid sticks, rolling dragon bones, laying out ornate cards, or employing some other divining tool, you receive an omen from an otherworldly entity about the results of a specific
spells or the loss or gain of a companion.
If you cast the spell two or more times before completing your next long rest, there is a cumulative 25 percent chance for each casting after the first that you get a random reading. The DM makes this roll in secret.
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
Sword of Answering
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Magic Items
Dungeon Master’s Guide (2014)
nine swords has its own name and alignment, and each bears a different gem in its pommel.
Name
Alignment
Gem
Answerer
Chaotic good
Emerald
Back Talker
Chaotic evil
Jet
to make one melee attack with it against any creature in your reach that deals damage to you. You have advantage on the attack roll, and any damage dealt with this special attack ignores any damage immunity or resistance the target has.
Magic Items
Fizban's Treasury of Dragons
The limb tips of this magic bow are shaped like a dragon’s wings, and the weapon is infused with the essence of a chromatic, gem, or metallic dragon’s breath. When you hit with an attack
roll using this magic bow, the target takes an extra 1d6 damage of the same type as the breath infused in the bow—acid, cold, fire, force, lightning, necrotic, poison, psychic, radiant, or
Magic Items
Lost Laboratory of Kwalish
to separate it from you, either by making a successful attack roll against AC 24 or a successful DC 24 Dexterity (Acrobatics) check. You can use an action to seize and stow the stone, ending its
effect.
A stone has AC 24, 10 hit points, and resistance to all damage. It is considered to be an object that is being worn while it orbits your head.
Self-Preservation. You gain a +1 bonus to Intelligence saving throws while this silvery gem orbits your head.
Monsters
Fizban's Treasury of Dragons
makes an attack roll or an ability check, it must roll a d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Disorienting Breath"} and reduce the total by the number rolled. On a successful save
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
Tabaxi
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Species
Volo's Guide to Monsters
replaced with a new obsession. Objects remain intriguing only as long as they still hold secrets.
A tabaxi rogue could happily spend months plotting to steal a strange gem from a noble, only to trade it
for passage on a ship or a week’s lodging after stealing it. The tabaxi might take extensive notes or memorize every facet of the gem before passing it on, but the gem holds no more allure once
Monsters
Fizban's Treasury of Dragons
", "rollAction":"Disorienting Breath", "rollDamageType":"psychic"} psychic damage, and until the end of its next turn, when the creature makes an attack roll or an ability check, it must roll a d6
;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Disorienting Breath"} and reduce the total by the number rolled. On a successful save, the creature takes half as much damage with no additional effects
Helm of Brilliance
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Magic Items
Basic Rules (2014)
This dazzling 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
: daylight (opal), fireball (fire opal), prismatic spray (diamond), or wall of fire (ruby). The gem is destroyed when the spell is cast and disappears from the helm.
As long as it has at least
Demilich (Variant)
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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
exist.
If the demilich drops to 0 hit points, it is destroyed and turns to powder, leaving behind its gems. Crushing a gem releases any soul trapped within, at which point the target’s body re
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
Fizban's Treasury of Dragons
the spellcasting ability (spell save DC 13):
1/day each: protection from evil and good, Tenser's floating disk, unseen servantAmethyst dragons, the mightiest of the gem dragons, study and
inspire your portrayal of distinctive amethyst dragon characters.
Amethyst Dragon Personality Traits
d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Trait"}
Trait
1
I am
Magic Items
Fizban's Treasury of Dragons
. Whenever you use a spell slot to cast a spell that deals acid, cold, fire, lightning, or poison damage, roll a d6, and you gain a bonus equal to the number rolled to one of the spell’s damage
rolls.
Gem. Whenever you use a spell slot to cast a spell, you can immediately teleport to an unoccupied space you can see within 15 feet of you.
Metallic. When a creature you can see within 30 feet of
Magic Items
Phandelver and Below: The Shattered Obelisk
a mind crystal and a Metamagic option on the same spell. Once you use a mind crystal, it becomes a nonmagical gem worth 50 gp.
Mind Crystal (Careful);Careful (Uncommon). Choose up to three creatures
roll damage for the spell, you can reroll up to three damage dice. You must use the new rolls.
Mind Crystal (Extended);Extended (Uncommon). If the spell has a duration of 1 minute or longer, double
Monsters
Fizban's Treasury of Dragons
, dispel magic, protection from evil and good, sendingAmethyst dragons, the mightiest of the gem dragons, study and psionically manipulate the fundamental principles of the multiverse, from the force
Dragon Personality Traits
d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Trait"}
Trait
1
I am never so content as when contemplating the beauty and wonders of the
Monsters
Fizban's Treasury of Dragons
":"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
distinctive amethyst dragon characters.
Amethyst Dragon Personality Traits
d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Trait"}
Trait
1
I am never so content as when
Monsters
Fizban's Treasury of Dragons
creature makes an attack roll or an ability check, it must roll a d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Disorienting Breath"} and reduce the total by the number rolled. On a
":"damage", "rollAction":"Emerald Embers", "rollDamageType":"fire"} fire damage.Emerald dragons are the most curious, cunning, and manipulative of the gem dragons, wielding psionic power to weave illusions to
Monsters
Fizban's Treasury of Dragons
roll or an ability check, it must roll a d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Disorienting Breath"} and reduce the total by the number rolled. On a successful save, the creature
":"Emerald Embers", "rollDamageType":"fire"} fire damage.Emerald dragons are the most curious, cunning, and manipulative of the gem dragons, wielding psionic power to weave illusions to deceive and
Monsters
Fizban's Treasury of Dragons
);{"diceNotation":"3d8", "rollType":"damage", "rollAction":"Explosive Crystal", "rollDamageType":"force"} force damage and be knocked prone.Amethyst dragons, the mightiest of the gem dragons, study and
tables to inspire your portrayal of distinctive amethyst dragon characters.
Amethyst Dragon Personality Traits
d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Trait"}
Trait
1
Ioun Stone
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Magic Items
Basic Rules (2014)
to separate it from you, either by making a successful attack roll against AC 24 or a successful DC 24 Dexterity (Acrobatics) check. You can use an action to seize and stow the stone, ending its
in the Religion skill, or a +1 bonus to checks with that skill if already proficient, while this tiny golden gem orbits your head.
Ioun Stone of Language Knowledge;Language Knowledge (Rare). You
Monsters
Fizban's Treasury of Dragons
haunches, tapering in a wedge shape toward the head, and their wings are shaped to propel them through both air and water. A topaz dragon’s psionic power manifests visibly in the gem-like
topaz dragon characters.
Topaz Dragon Personality Traits
d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Trait"}
Trait
1
I seek no company other than my own, for no one
Monsters
Fizban's Treasury of Dragons
visibly in the gem-like spines that run in a ridge from the crown of the head to the tip of the tail. These spines hover above a living topaz dragon’s back, dancing and shifting with the dragon
portrayal of distinctive topaz dragon characters.
Topaz Dragon Personality Traits
d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Trait"}
Trait
1
I seek no company other
Compendium
- Sources->Dungeons & Dragons->Fizban's Treasury of Dragons
can teleport to an unoccupied space it can see within 30 feet of it.
Crystal. The gem stalker gains a number of temporary hit points equal to the damage dealt.
Emerald. The target must roll a d4 and
subtract the number rolled from the next attack roll it makes before the start of the gem stalker’s next turn.
Sapphire. The target must succeed on a DC 13 Strength saving throw or be pushed
Wand of Wonder
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Magic Items
Basic Rules (2014)
. Roll d100 and consult the following table to discover what happens.
If the effect causes you to cast a spell from the wand, the spell's save DC is 15. If the spell normally has a range expressed in
determines which ones are affected. The wand regains 1d6 + 1 expended charges daily at dawn. If you expend the wand's last charge, roll a d20. On a 1, the wand crumbles into dust and is destroyed