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Returning 35 results for 'been before diameter causes rolls'.
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Magic Items
Dungeon Master’s Guide
This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 Beads of Force are found together.
You can take a Magic action to throw the bead up to 60 feet
enclosed creature can take a Utilize action to push against the sphere’s wall, moving the sphere up to half the creature’s Speed. The sphere can be picked up, and its magic causes it to weigh only 1 pound, regardless of the weight of creatures inside.
Monsters
Monster Manual
Tunneler. The umber hulk can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The umber hulk makes three Rend attacks.
Rend. Melee
. Failure: The target can’t take Reactions until the start of the umber hulk’s next turn, and the target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Confusing Gaze"} to
Magic Items
Dungeon Master’s Guide
This rusty iron sphere measures 3 inches in diameter and weighs 1 pound. You can take a Magic action to throw the sphere at a Huge or smaller creature you can see within 60 feet of yourself. As the
has the Restrained condition until you take a Bonus Action to issue a command that releases it. Doing so or missing with the attack causes the bands to contract and become a sphere once more.
A
Magic Items
Dungeon Master’s Guide
This rod has a flanged head, and it functions as a magic Mace that grants a +3 bonus to attack rolls and damage rolls made with it. The rod has properties associated with six different buttons that
push a different button or until you push the same button again, which causes the rod to revert to its normal form:
Button 1. A fiery blade sprouts from the end opposite the rod’s flanged head
Magic Items
Dungeon Master’s Guide
This staff has 6 charges and can be wielded as a magic Quarterstaff that grants a +2 bonus to attack rolls and damage rolls made with it. While holding it, you have a +2 bonus to spell attack rolls
is 60 feet tall and has a 5-foot-diameter trunk, and its branches at the top spread out in a 20-foot radius. The tree appears ordinary but radiates a faint aura of Transmutation magic that can be
Magic Items
Dungeon Master’s Guide
. On a failed save, the creature dies and, if it is a Humanoid, turns into a Zombie.
Magic Weapon. You can wield the wand as a magic Mace that grants a +3 bonus to attack rolls and damage rolls made
guarded.
Bathing the wand in positive energy (such as that which permeates the Positive Plane) causes it to crack and explode, but unless the above conditions are met, the wand instantly re-forms on Orcus’s layer of the Abyss.
Spells
Player’s Handbook
feet in diameter. If you choose an object, it must remain in place; if it is moved more than 10 feet from where you cast this spell, the glyph is broken, and the spell ends without being triggered
Disadvantage on attack rolls and ability checks.
Fear. Each target must succeed on a Wisdom saving throw or have the Frightened condition for 1 minute. While Frightened, the target must move at least 30
Magic Items
Waterdeep: Dungeon of the Mad Mage
This common wondrous item is a hollow, 5-inch-diameter orb that weighs 5 pounds. Its outer shell is composed of notched bronze rings, which can be turned so that the notches line up. Aligning the
notches requires an action, and doing so causes the orb to gong loudly until the notches are no longer aligned. The sounds are spaced 6 seconds apart and can be heard out to a range of 600 feet.
Ruby of the War Mage
Legacy
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Magic Items
Xanathar's Guide to Everything
Etched with eldritch runes, this 1-inch-diameter ruby allows you to use a simple or martial weapon as a spellcasting focus for your spells. For this property to work, you must attach the ruby to the
weapon by pressing the ruby against it for at least 10 minutes. Thereafter, the ruby can’t be removed unless you detach it as an action or the weapon is destroyed. Not even an antimagic field causes it to fall off. The ruby does fall off the weapon if your attunement to the ruby ends.
Iron Bands of Bilarro
Legacy
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Magic Items
Dungeon Master’s Guide (2014)
This rusty iron sphere measures 3 inches in diameter and weighs 1 pound. You can use an action to speak the command word and throw the sphere at a Huge or smaller creature you can see within 60 feet
hit, the target is restrained until you take a bonus action to speak the command word again to release it. Doing so, or missing with the attack, causes the bands to contract and become a sphere once
Monsters
Waterdeep: Dragon Heist
paintings and causes its subject to spring forth, becoming a creature of that kind provided its CR is 3 or lower. The creature appears in an unoccupied space within 5 feet of the painting, which becomes
blank. The creature is friendly toward Kalain and hostile toward all others. It rolls initiative to determine when it acts. It disappears after 1 minute, when it is reduced to 0 hit points, or when Kalain
Reincarnate
Legacy
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Spells
Basic Rules (2014)
body. If the target's soul isn't free or willing to do so, the spell fails.
The magic fashions a new body for the creature to inhabit, which likely causes the creature's race to change. The GM rolls
Monsters
Journeys through the Radiant Citadel
Pack Leader. The aurumvorax’s allies have advantage on attack rolls while within 10 feet of the aurumvorax, provided it isn’t incapacitated.
Tunneler. The aurumvorax can burrow through
solid rock and metal at half its burrowing speed and leaves a 5-foot-diameter tunnel in its wake.Multiattack. The aurumvorax makes one Bite attack and two Claw attacks.
Bite. Melee Weapon
Bead of Force
Legacy
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Magic Items
Basic Rules (2014)
This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 beads of force are found together.
You can use an action to throw the bead up to 60 feet. The bead
creature can use its action to push against the sphere's wall, moving the sphere up to half the creature's walking speed. The sphere can be picked up, and its magic causes it to weigh only 1 pound, regardless of the weight of creatures inside.
Spells
Xanathar's Guide to Everything
You speak a word of power that causes waves of intense pain to assail one creature you can see within range. If the target has 100 hit points or fewer, it is subject to crippling pain. Otherwise, the
also has disadvantage on attack rolls, ability checks, and saving throws, other than Constitution saving throws. Finally, if the target tries to cast a spell, it must first succeed on a Constitution
Monsters
Candlekeep Mysteries
Limited Spell Immunity. The golem automatically succeeds on saving throws against spells of 7th level or lower, and the attack rolls of such spells always miss it.
Unusual Nature. The golem doesn
":"force"} force damage.Spell Deflection. In response to a spell attack missing the golem, it causes that spell to hit another creature within 120 feet of it that it can see.A mummy lord’s organs
Iron Bands of Binding
Legacy
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Magic Items
Basic Rules (2014)
This rusty iron sphere measures 3 inches in diameter and weighs 1 pound. You can use an action to speak the command word and throw the sphere at a Huge or smaller creature you can see within 60 feet
hit, the target is restrained until you take a bonus action to speak the command word again to release it. Doing so, or missing with the attack, causes the bands to contract and become a sphere once
Rod of Lordly Might
Legacy
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Magic Items
Basic Rules (2014)
This rod has a flanged head, and it functions as a magic mace that grants a +3 bonus to attack and damage rolls made with it. The rod has properties associated with six different buttons that are set
different button or until you push the same button again, which causes the rod to revert to its normal form.
If you press button 1, the rod becomes a flame tongue, as a fiery blade sprouts from the end
Staff of the Woodlands
Legacy
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Magic Items
Basic Rules (2014)
This staff can be wielded as a magic quarterstaff that grants a +2 bonus to attack and damage rolls made with it. While holding it, you have a +2 bonus to spell attack rolls.
The staff has 10
tree. The tree is 60 feet tall and has a 5-foot-diameter trunk, and its branches at the top spread out in a 20-foot radius. The tree appears ordinary but radiates a faint aura of transmutation magic
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Hypersensitivity. The mist takes 10 radiant damage whenever it starts its turn in sunlight. While in sunlight, the mist has disadvantage on attack rolls and ability checks.
Unusual Nature. The mist
, insatiable thirst for blood remains.
Indistinguishable from fog aside from the charnel reek it exudes, a vampiric mist descends on a creature and causes the blood in the creature’s body to ooze
Monsters
Van Richten’s Guide to Ravenloft
Limited Spell Immunity. The swarm automatically succeeds on saving throws against spells of 3rd level or lower, and the attack rolls of such spells always miss it.
Swarm. The swarm can occupy
spell attack roll missing the swarm, the swarm causes that spell to hit another creature of its choice within 30 feet of it that it can see.Gremishka;Gremishkas are the vicious products of mistakes made
Magic Items
Lost Laboratory of Kwalish
:
Aversion of Fire. If you take fire damage, you have disadvantage on attack rolls and ability checks until the end of your next turn.
Berserk. Whenever a critical hit is made against you, roll a d6
. On a 6, the armor causes you to go berserk. On each of your turns while berserk, you attack the nearest creature you can see. If no creature is near enough to move to and attack, you attack an
Monsters
Bigby Presents: Glory of the Giants
points, and it is immune to fire, poison, and psychic damage. On a successful save, a creature takes half as much damage only.A scion of Surtur slumbering at the peak of a volcano causes an unending
cradle defies all their expectations. Like a living volcano, the cradle hurls balls of magma at intruders, exhales fiery gases, and causes molten stone to erupt from the ground around it.
If the
Gazer Familiar
Legacy
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Monsters
Volo's Guide to Monsters
. If its master causes it physical harm, the gazer will end its service as a familiar, breaking the telepathic bond.Bite. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction
of the gazer’s next turn. While the target is charmed in this way, its speed is halved, and it has disadvantage on attack rolls.
2. Fear Ray. The targeted creature must succeed on a DC 12
Duergar Mind Master
Legacy
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Monsters
Mordenkainen’s Tome of Foes
duergar has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The duergar makes two melee attacks. It can replace one of those attacks with a use of
succeed on a DC 12 Intelligence saving throw, or the duergar causes it to use its reaction either to make one weapon attack against another creature the duergar can see or to move up to 10 feet in a
Monsters
Bigby Presents: Glory of the Giants
each of its turns, ending the effect on itself on a success.A scion of Surtur slumbering at the peak of a volcano causes an unending plume of smoke to rise, sometimes lit from below by fiery bursts of
magma at intruders, exhales fiery gases, and causes molten stone to erupt from the ground around it.
If the cradle is destroyed, the scion of Surtur inside it awakens. Standing 60 feet tall, the scion
Yeenoghu
Legacy
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Monsters
Out of the Abyss
same effect two rounds in a row.
Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in
, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them.
Regional Effects
The region containing Yeenoghu’s lair is warped by his
Monsters
Mordenkainen Presents: Monsters of the Multiverse
. Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in the space where the spike emerges
count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them.
Iron Spike
Monsters
Icewind Dale: Rime of the Frostmaiden
serve.
Reckless. At the start of its turn, the berserker can gain advantage on all melee weapon attack rolls during that turn, but attack rolls against it have advantage until the start of its next
the effects of madness, the berserker loses its Chardalyn Madness trait but retains its chaotic evil alignment and other qualities. Further exposure to the demonic magic causes the berserker’s madness to return, however.
Darkling
Legacy
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Monsters
Volo's Guide to Monsters
disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Dagger. Melee or Ranged Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Dagger"} to
chambers beneath the towns of other species. From such enclaves, they quietly ply their trade as thieves and assassins.
The Killing Light. The Summer Queen's curse causes a darkling's body to absorb light
Monsters
Mordenkainen Presents: Monsters of the Multiverse
tempest is always at the center of a storm 1d6 + 4;{"diceNotation":"1d6+4","rollType":"roll","rollAction":"Living Storm"} miles in diameter. Heavy precipitation in the form of either rain or snow
in the area covered by the storm. The winds impose disadvantage on ranged attack rolls. The winds extinguish open flames and disperse fog.
Siege Monster. The tempest deals double damage to objects
Magic Items
Phandelver and Below: The Shattered Obelisk
You can use an action to place this 1-inch-diameter granite sphere on the ground and speak its command word, which is “petrification” in Terran. The sphere rapidly grows into a stout
tower that remains until you use an action to touch the tower and speak the command word again, whereupon the tower shrinks back to a 1-inch-diameter granite sphere. The tower must be empty to shrink in
Monsters
Mordenkainen Presents: Monsters of the Multiverse
, the master can sense what the gazer senses as long as they are within 1 mile of each other. If its master causes it physical harm, the gazer will end its service as a familiar, breaking the
halved, and it has disadvantage on attack rolls.
2: Fear Ray. The targeted creature must succeed on a DC 12 Wisdom saving throw or be frightened until the start of the gazer’s next turn.
3: Frost
Monsters
Mordenkainen Presents: Monsters of the Multiverse
has disadvantage on attack rolls.
2: Fear Ray. The targeted creature must succeed on a DC 12 Wisdom saving throw or be frightened until the start of the gazer’s next turn.
3: Frost Ray. The
they are within 1 mile of each other. If its master causes it physical harm, the gazer will end its service as a familiar, breaking the telepathic bond.
Aggressive. The gazer can move up to its speed toward a hostile creature that it can see.
Whelm
Legacy
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Magic Items
Dungeon Master’s Guide (2014)
first make an attack roll with Whelm, you develop a fear of being outdoors that persists as long as you remain attuned to the weapon. This causes you to have disadvantage on attack rolls, saving
Whelm is a powerful warhammer forged by dwarves and lost in the dungeon of White Plume Mountain.
You gain a +3 bonus to attack and damage rolls made with this magic weapon. At dawn the day after you






