before being diameter constantly random

Umber Hulk

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

Portable Hole

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.

Orb of Dragonkind

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

Sphere of Annihilation

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.

Hat of Many Spells

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

Orb of Damara

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

Mouth of Grolantor

Monsters Mordenkainen Presents: Monsters of the Multiverse

Fist attacks against one random creature within reach. If no creatures are within reach, the giant flies into a rage and gains advantage on all attack rolls until the end of its next turn. 4–5

against one random creature within reach. If no other creatures are within reach, its eyes glaze over and it is stunned until the start of its next turn. 8–10: The giant makes one Bite attack and

Gauth

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

"The Demogorgon"

Monsters Infernal Machine Rebuild

. If the target fails the save, it suffers one of the following effects of the ettin’s choice or at random: Beguiling Gaze. The target is stunned until the start of the ettin’s next turn

Demogorgon’s heads. Much like the true Demogorgon, the ettin’s two heads constantly clash and refuse to speak directly with one another, instead relaying messages through their assigned

Maw of Yeenoghu

Monsters Bigby Presents: Glory of the Giants

against a random creature within 10 feet of itself. If no creature is within reach, the maw can make two Fang Fling attacks.Hill giants are known for their voracious appetites, which can attract the

its mouth fills with multiple rows of sharp teeth. These teeth constantly grow, driving the maw to bite and chew on anything within reach. Some maws desperately rip the teeth from their mouth for

Bag of Holding Legacy

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.

Portable Hole Legacy

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

one item was placed inside the other. Any creature 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.

Orb of Dragonkind Legacy

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

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.

Mudslick Tower

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

Yeenoghu Legacy

Monsters Out of the Abyss

flail attacks. If an attack hits, he can cause it to create an additional effect of his choice or at random (each effect can be used only once per Multiattack): 1. The attack deals an extra 13 (2d12

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

Halaster Blackcloak

Monsters Waterdeep: Dungeon of the Mad Mage

parts restored. His new body appears in a random safe location in Undermountain. Spellcasting. Halaster is a 20th-level spellcaster. His spellcasting ability is Intelligence (spell save DC 22, +14 to hit

groups of adventurers try to gain decisive control of just a small section of Undermountain’s halls, Halaster constantly alters the dungeon’s perils to thwart them. Halaster’s true

Thessalkraken

Monsters Infernal Machine Rebuild

thrown up to 40 feet in a random direction and knocked prone. If a thrown target strikes a solid surface, the target takes 3 (1d6);{"diceNotation":"1d6","rollType":"damage","rollAction":"Fling

. Among the largest was the thessalkraken—a slightly smaller variant of the legendary kraken, resembling that great tentacled titan but with a jagged-toothed maw that drips constantly with

Juiblex

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

Cradle of the Cloud Scion

Monsters Bigby Presents: Glory of the Giants

; 10 feet away from the vortex in a random direction.Thunderclap. Immediately after taking damage, the cradle unleashes a thunderclap in a 30-foot-radius sphere centered on itself. All other creatures

a constantly overcast sky. Sapient creatures who live beneath this cloud often display superstitious and duplicitous behavior, almost unconsciously leaving gifts for “rain spirits” while

Zuggtmoy Legacy

Monsters Out of the Abyss

infected by these spores for 24 hours. On a failed save, the creature is infected with a disease called the spores of Zuggtmoy and also gains a random form of madness (determined by rolling on the Madness

“My mind is slipping away, and my intelligence seems to wax and wane.” 81–00 “I am constantly scratching at unseen fungal infections.” Poison; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksCold, Fire, Lightning

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

Cycle of Rebirth. If the dragon dies, its soul coalesces into a steely egg and teleports to a random plane of existence. The egg is immune to all damage and hatches into a time dragon wyrmling after

the effect on itself after it succeeds on three of these saves. Time Gate (1/Day). The dragon conjures a 20-foot-diameter, circular portal in the space between its horns or in an unoccupied space it

Crook of Rao

Magic Items Tasha’s Cauldron of Everything

;potentially for the final time. Random Properties. The artifact has the following random properties, which you can determine by rolling on the tables in the "Artifacts" section of the Dungeon Master

conjured as a result of this effect appear in random unoccupied spaces within 60 feet of you and are not under your control. Extraplanar Reversal d100 Effect 1–25 A portal to

Fairy

Species Mordenkainen Presents: Monsters of the Multiverse

skin. 3 You have exceptionally large ears. 4 A glittering mist constantly surrounds you. 5 You have a small spectral horn on your forehead, like a little unicorn horn. 6 Your

randomly, consult the Random Height and Weight table in the Player’s Handbook, and choose the row in the table that best represents the build you imagine for your character.

Belashyrra

Monsters Eberron: Rising from the Last War

Belashyrra. One random eye ray of Belashyrra’s shoots from that eye at a target of Belashyrra’s choice that it can see. The eye then closes and disappears. Belashyrra creates a wave of

Dungeon Master’s Guide has more information on madness. Madness of Belashyrra d6 Flaw (lasts until cured) 1 “I constantly see shapes moving in the shadows.” 2

Sapphire Dragon Wyrmling

Monsters Fizban's Treasury of Dragons

half its burrowing speed and can leave a 5-foot-diameter tunnel in its wake.Bite. Melee Weapon Attack: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction":"Bite"} to hit, reach 5 ft

"} Trait 1 I often fixate on specific historical battles or wars and won’t rest until my hoard contains that conflict’s most significant artifacts. 2 I am constantly aware of a

Young Sapphire Dragon

Monsters Fizban's Treasury of Dragons

burrowing speed and can leave a 10-foot-diameter tunnel in its wake.Multiattack. The dragon makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +9;{"diceNotation":"1d20+9", "rollType

or wars and won’t rest until my hoard contains that conflict’s most significant artifacts. 2 I am constantly aware of a call from beyond this world. I must prepare to answer that call

Ancient Amethyst Dragon

Monsters Fizban's Treasury of Dragons

. (Any) 3 Self-Improvement. I am a complex gem, and I constantly polish and refine my many facets to make the whole that much more perfect. (Any) 4 Responsibility. Having knowledge and

split open to show their contents and clusters of crystal points more than a foot in diameter that extend six to ten feet from the interior stone surfaces of the lair. These crystals resonate with the

Sword of Zariel

Magic Items Baldur’s Gate: Descent into Avernus

favorite religious hymn that I constantly hum. 2 I must keep a written record of my beliefs and the sins that I witness. When finished, this book will be my gift to the multiverse. 3 I have

radius and dim light for an additional 15 feet, or reduce its glow to its normal intensity. Random Properties. The sword has 2 minor beneficial properties, each determined by rolling on the Minor

The Infernal Machine of Lum the Mad

Magic Items Infernal Machine Rebuild

malfunction returns to 10 percent. Random Properties. There are far more possible combinations for the Infernal Machine’s controls than can ever be known or matrixed—especially as the controls

shift position and reset themselves over time. At the end of each long rest of the user attuned to it, the Infernal Machine generates 1d4 + 1 random beneficial properties and 1d4 + 1 detrimental

31: Reconstructory

Compendium - Sources->Dungeons & Dragons->The Book of Many Things

31: Reconstructory The Donjon Sphere constantly repairs itself. New metal plates, iron bars, and other construction materials are fabricated in this automated factory. Finished materials are removed

creatures have advantage on this save. On a failed save, the creature takes 22 (4d10) slashing damage as automation moves it through the maintenance shaft network; the creature ends its turn inside a random maintenance shaft somewhere on map 17.2 (DM’s discretion).

General Features

Compendium - Sources->Dungeons & Dragons->Rise of Tiamat

General Features Corridors. The lava tubes range from 15 to 25 feet in diameter. They are large enough for dracoliches and dragons to move through easily. Light. The lava tube corridors are dimly lit

by lamps or torches hung on the walls at wide intervals. Chambers within the Well of Dragons are brightly lit by lamps unless otherwise noted. Sound. The sound of the Draakhorn constantly moans

Tabaxi Legacy

Species Volo's Guide to Monsters

hand, which you constantly fidget with. 7 You are always in debt, since you spend your gold on lavish parties and gifts for friends. 8 When talking about something you’re obsessed

with, you speak quickly and never pause and others can’t understand you. 9 You are a font of random trivia from the lore and stories you have discovered. 10 You can’t help but pocket interesting objects you come across.

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

creature within 30 feet of it that it can see. The target must succeed on a DC 16 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no

taking on a new form, making new allies, or trying a new strategy, flexibility keeps one youthful. (Chaotic) 5 Superiority. Weaker creatures cannot be trusted, so I constantly remind my servants

General Features

Compendium - Sources->Dungeons & Dragons->Tyranny of Dragons

General Features Map 17.1: The Well of DragonsView Player Version Corridors. The lava tubes range from 15 to 25 feet in diameter. They are large enough for dracoliches and dragons to move through

. The sound of the Draakhorn constantly moans throughout the Well of Dragons, originating from area 8. Combined with the cult’s activity in and above the caverns, it creates a constant thrum of

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