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Returning 35 results for 'before begins diameter certain random'.
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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
determine what it does on its next turn:
1–4. The target does nothing.5–6. The target takes no action or Bonus Action and uses all its movement to move in a random direction.7–8. The
Magic Items
Dungeon Master’s Guide
This fine black cloth, soft as silk, is folded up to the dimensions of a handkerchief. It unfolds into a circular sheet 6 feet in diameter.
You can take a Magic action to unfold a Portable Hole and
where the one item was placed inside the other. Any creature within 10 feet of the gate and not behind Total Cover is sucked through it and deposited in a random location on the Astral Plane. The gate then closes. The gate is one-way only and can’t be reopened.
Magic Items
Dungeon Master’s Guide
;s control.
An orb is an etched crystal globe about 10 inches in diameter. When used, it grows to about 20 inches in diameter, and mist swirls inside it.
While attuned to an orb, you can take a
, freedom from the orb, to spread suffering in the world, to advance the worship of Tiamat, or something else the DM decides.
Random Properties. An Orb of Dragonkind has the following random properties
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
surface, common triggers include touching or stepping on the glyph, removing another object covering it, or approaching within a certain distance of it. For glyphs inscribed within an object, common
Spells
Player’s Handbook
) to conceal the glyph. The glyph can cover an area no larger than 10 feet in diameter. If the surface or object is moved more than 10 feet from where you cast this spell, the glyph is broken, and the
a surface, common triggers include touching or stepping on the glyph, removing another object covering it, or approaching within a certain distance of it. For glyphs inscribed within an object, common
Magic Items
Dungeon Master’s Guide
its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead
, determined by rolling on the following table.
Any spell you cast from the hat uses your spell save DC and spell attack bonus.
1d100
Effect
01–50
You cast a random spell determined by
Magic Items
Dungeon Master’s Guide
This 2-foot-diameter black sphere is a hole in the multiverse, hovering in space and stabilized by a magical field surrounding it.
The sphere obliterates all matter it passes through and all matter
extradimensional space.
86–00
A spatial rift sends the sphere and each creature and object within 180 feet of the sphere to a random plane of existence.
Magic Items
Dungeon Master’s Guide
figurine form. When the creature becomes a figurine again, its property can’t be used again until a certain amount of time has passed, as specified in the figurine’s description.
Figurine
ignore your orders, including a command to revert to figurine form. If you mount the nightmare while it is ignoring your orders, you and the nightmare are instantly transported to a random location on
Magic Items
Forgotten Realms: Adventures in Faerûn
away.
The Orb of Damara is about 6 inches in diameter and is made of a glassy, iridescent material that's like obsidian but incredibly hard. If held to one's own lips with the intention of consuming
the start of its next turn. A creature that succeeds on this save is immune to the aura’s effects for 24 hours.
Flight. You have a Fly Speed of 60 feet and can hover.
Random Properties. The
Portable Hole
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Magic Items
Basic Rules (2014)
This fine black cloth, soft as silk, is folded up to the dimensions of a handkerchief. It unfolds into a circular sheet 6 feet in diameter.
You can use an action to unfold a portable hole and place
feet of the portable hole or the creature carrying it. A breathing creature within a closed portable hole can survive for up to 10 minutes, after which time it begins to suffocate.
Placing a
Monsters
Monstrous Compendium Vol. 1: Spelljammer Creatures
already attuned to the helm, that creature’s attunement to the helm ends when the horror’s attunement begins. The horror can operate the helm even though it isn’t a spellcaster. The horror
.
The body of a clockwork horror is about two feet in diameter, but the legs give it an overall diameter of four feet. Embedded in the front of its head is a crystal that enables the clockwork horror to
Death Tyrant
Legacy
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Monsters
Monster Manual (2014)
. The death tyrant shoots three of the following magical eye rays at random;{"diceNotation":"1d10","rollType":"roll","rollAction":"Eye Rays"} (reroll duplicates), choosing one to three targets it can see
. The targeted creature must make a DC 17 Dexterity saving throw. On a failed save, the creature begins to turn to stone and is restrained. It must repeat the saving throw at the end of its next turn
Monsters
Tales from the Yawning Portal
rays at random;{"diceNotation":"1d8","rollType":"roll","rollAction":"Eye Rays"} (reroll duplicates), choosing one to three targets it can see within 120 feet of it:
Charm Ray. The targeted creature
creature must make a DC 14 Dexterity saving throw. On a failed save, the creature begins to turn to stone and is restrained. It must repeat the saving throw at the end of its next turn. On a success
Beholder
Legacy
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Monsters
Monster Manual (2014)
following magical eye rays at random;{"diceNotation":"1d10","rollType":"roll","rollAction":"Eye Rays"} (reroll duplicates), choosing one to three targets it can see within 120 feet of it:
Charm Ray
DC 16 Dexterity saving throw. On a failed save, the creature begins to turn to stone and is restrained. It must repeat the saving throw at the end of its next turn. On a success, the effect ends. On a
Monsters
Spelljammer: Adventures in Space
":"force"} force damage and be stunned until the end of its next turn.A jammer leech is a barnacle-like creature that begins life as a space-dwelling spore that attaches to the hull of a spelljamming ship
, with the leech inside in larval form. A spore that remains attached to a ship for a few days punctures the hull and begins to develop a hard shell that roughly matches the color of the hull. The
Glyph of Warding
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Spells
Basic Rules (2014)
be closed (such as a book, a scroll, or a treasure chest) to conceal the glyph. The glyph can cover an area no larger than 10 feet in diameter. If the surface or object is moved more than 10 feet from
another object covering the glyph, approaching within a certain distance of the glyph, or manipulating the object on which the glyph is inscribed. For glyphs inscribed within an object, the most common
Symbol
Legacy
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Spells
Basic Rules (2014)
, a scroll, or a treasure chest). If you choose a surface, the glyph can cover an area of the surface no larger than 10 feet in diameter. If you choose an object, that object must remain in its place
stepping on the glyph, removing another object covering it, approaching within a certain distance of it, or manipulating the object that holds it. For glyphs inscribed within an object, the most
Bag of Holding
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Magic Items
Basic Rules (2014)
This bag has an interior space considerably larger than its outside dimensions, roughly 2 feet in diameter at the mouth and 4 feet deep. The bag can hold up to 500 pounds, not exceeding a volume of
inside the other. Any creature within 10 feet of the gate is sucked through it to a random location on the Astral Plane. The gate then closes. The gate is one-way only and can’t be reopened.
Monsters
Bigby Presents: Glory of the Giants
Mutation. When the troll mutate is created, it gains one of four possible body mutations at random;{"diceNotation":"1d4","rollType":"roll","rollAction":"Mutation"}: 1, Elastic Body; 2, Psionic Mirror
; 3, Spell Scarred; or 4, Winged Form. This mutation determines certain traits in this stat block.
Amorphous (Elastic Body Only). The mutate can move through a space as narrow as 1 inch without
Handy Haversack
Legacy
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Magic Items
Basic Rules (2014)
breathing creature is placed within the haversack, the creature can survive for up to 10 minutes, after which time it begins to suffocate.
Placing the haversack inside an extradimensional space created
within 10 feet of the gate is sucked through it and deposited in a random location on the Astral Plane. The gate then closes. The gate is one-way only and can't be reopened.
Heward's Handy Haversack
Legacy
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Magic Items
Dungeon Master’s Guide (2014)
breathing creature is placed within the haversack, the creature can survive for up to 10 minutes, after which time it begins to suffocate.
Placing the haversack inside an extradimensional space created
within 10 feet of the gate is sucked through it and deposited in a random location on the Astral Plane. The gate then closes. The gate is one-way only and can't be reopened.
Sailor
Legacy
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Backgrounds
Player’s Handbook (2014)
with a hole in the center (or you may roll for a random trinket on the Trinkets table in chapter 5 of the Player’s Handbook), a set of common clothes, and a pouch containing 10 gp
Feature: Ship
relations with (perhaps one captained by a former crewmate). Because you’re calling in a favor, you can’t be certain of a schedule or route that will meet your every need. Your Dungeon
Monsters
Mordenkainen Presents: Monsters of the Multiverse
abishai makes one Bite attack against a random creature within 5 feet of it. If no creature is within reach, the abishai moves up to half its speed toward an enemy it can see, without provoking
Asmodeus’s plans invites certain destruction.Cold, Fire, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered
Orb of Dragonkind
Legacy
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Magic Items
Basic Rules (2014)
globe about 10 inches in diameter. When used, it grows to about 20 inches in diameter, and mist swirls inside it.
While attuned to an orb, you can use an action to peer into the orb’s depths and
advance the worship of Tiamat, or something else the GM decides.
Random Properties
An Orb of Dragonkind has the following random properties:
2 minor beneficial properties
1 minor detrimental
Sphere of Annihilation
Legacy
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Magic Items
Basic Rules (2014)
This 2-foot-diameter black sphere is a hole in the multiverse, hovering in space and stabilized by a magical field surrounding it.
The sphere obliterates all matter it passes through and all matter
or into the extradimensional space.
86-00
A spatial rift sends each creature and object within 180 feet of the sphere, including the sphere, to a random plane of existence.
Monsters
Monstrous Compendium Vol. 1: Spelljammer Creatures
surfaces substituting for the mirror needed to cast certain divination spells. While being used in this way, the fractine siphons magical energy from the spellcaster—not enough to cause harm
causing harm to anyone or anything. A fractine that doesn’t consume light or magical energy for ten days begins to flicker. A day later, it folds in on itself and self-destructs, leaving no trace
Backgrounds
Baldur’s Gate: Descent into Avernus
charm such as a rabbit foot or a small stone with a hole in the center (or you may roll for a random trinket on the Trinkets table in chapter 5 of the Player’s Handbook), a set of common clothes
you served on, or another ship you have good relations with (perhaps one captained by a former crewmate). Because you’re calling in a favor, you can’t be certain of a schedule or route
Monsters
Van Richten’s Guide to Ravenloft
Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits
"} necrotic damage and be restrained as it begins to turn to stone. A restrained creature must repeat the saving throw at the end of its next turn. On a success, the effect ends on the target. On a
Monsters
Van Richten’s Guide to Ravenloft
Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits
","rollType":"damage","rollAction":"Petrifying Hex","rollDamageType":"necrotic"} necrotic damage and be restrained as it begins to turn to stone. A restrained creature must repeat the saving throw at the
Monsters
Van Richten’s Guide to Ravenloft
Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits
","rollDamageType":"necrotic"} necrotic damage and be restrained as it begins to turn to stone. A restrained creature must repeat the saving throw at the end of its next turn. On a success, the effect ends
Monsters
Mordenkainen Presents: Monsters of the Multiverse
":"piercing"} piercing damage.
Eye Rays. The gauth shoots three of the following magical eye rays at random (roll three d6s;{"diceNotation":"1d6","rollType":"roll","rollAction":"Eye Rays"}, and reroll
Constructs and Undead.A gauth is a hungry, tyrannical creature similar to a beholder that eats magic and tries to exact tribute from anything weaker than itself. Its body is about 4 feet in diameter, with
Monsters
Mordenkainen Presents: Monsters of the Multiverse
the slime appears, each creature on it must succeed on a DC 21 Dexterity saving throw or fall prone and slide 10 feet in a random direction determined by a d8 roll. When a creature enters the area for
, this creature can move up to 20 feet through spaces no more than an inch in diameter. It must end this movement in a space that can accommodate its full size. Otherwise, it takes 5 force damage and
Monsters
Van Richten’s Guide to Ravenloft
Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits
or take 14 (4d6);{"diceNotation":"4d6","rollType":"damage","rollAction":"Petrifying Hex","rollDamageType":"necrotic"} necrotic damage and be restrained as it begins to turn to stone. A restrained
Monsters
Van Richten’s Guide to Ravenloft
Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits
":"necrotic"} necrotic damage and be restrained as it begins to turn to stone. A restrained creature must repeat the saving throw at the end of its next turn. On a success, the effect ends on the target
spells
Tasha’s Cauldron of Everything
a material: Clay, Metal, or Stone. The creature resembles a golem or a modron (your choice) made of the chosen material, which determines certain traits in its stat block. The creature disappears when
, reach 5 ft., one target. Hit: 1d8 + 4 + the spell’s level bludgeoning damage.
Reactions
Berserk Lashing (Clay Only). When the construct takes damage, it makes a slam attack against a random






