bonus being diameter constructs reduces

Arcane Eye

Spells Player’s Handbook

with a range of 30 feet. As a Bonus Action, you can move the eye up to 30 feet in any direction. A solid barrier blocks the eye’s movement, but the eye can pass through an opening as small as 1 inch in diameter.

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

Nine Lives Stealer

Magic Items Dungeon Master’s Guide

You gain a +2 bonus to attack rolls and damage rolls made with this magic weapon. Life Stealing. The weapon has 1d8 + 1 charges. When you attack a creature that has fewer than 100 Hit Points with

this weapon and roll a 20 on the d20 for the attack roll, the creature must succeed on a DC 15 Constitution saving throw or be slain instantly as the sword tears its life force from its body. Constructs

Bowl of Commanding Water Elementals

Magic Items Dungeon Master’s Guide

as a Bonus Action. The bowl can’t be used this way again until the next dawn. The bowl is about 1 foot in diameter and half as deep. It holds about 3 gallons.

Iron Bands of Bilarro

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

sphere moves through the air, it opens into a tangle of metal bands. Make a ranged attack roll with an attack bonus equal to your Dexterity modifier plus your Proficiency Bonus. On a hit, the target

Flaming Sphere

Spells Player’s Handbook

You create a 5-foot-diameter sphere of fire in an unoccupied space on the ground within range. It lasts for the duration. Any creature that ends its turn within 5 feet of the sphere makes a Dexterity

saving throw, taking 2d6 Fire damage on a failed save or half as much damage on a successful one. As a Bonus Action, you can move the sphere up to 30 feet, rolling it along the ground. If you move

Mirror of Life Trapping

Magic Items Dungeon Master’s Guide

twelve extradimensional cells. A creature that knows the mirror’s nature makes the save with Advantage, and Constructs succeed on the save automatically. An extradimensional cell is an infinite

expanse filled with thick fog that reduces visibility to 10 feet. Creatures trapped in the mirror’s cells don’t age, and they don’t need to eat, drink, or sleep. A creature trapped

Death Tyrant

Monsters Monster Manual

either an action or a Bonus Action on its turn, not both. Success: Half damage only. Enervation Ray. Constitution Saving Throw: DC 17. Failure: 16 (3d10);{"diceNotation":"3d10", "rollType":"damage

: Half damage. Failure or Success: If the target is a creature and this damage reduces it to 0 Hit Points, it disintegrates into dust. Death Ray. Dexterity Saving Throw: DC 17. Failure: 55 (10d10

Staff of the Woodlands

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

Beholder

Monsters Monster Manual

Bonus Action on its turn, not both. Success: Half damage only. 5: Enervation Ray. Constitution Saving Throw: DC 16. Failure: 13 (3d8);{"diceNotation":"3d8", "rollType":"damage", "rollAction

or Success: If the target is a creature and this damage reduces it to 0 Hit Points, it disintegrates into dust. 10: Death Ray. Dexterity Saving Throw: DC 16. Failure: 55 (10d10);{"diceNotation":"10d10

Ring of Shooting Stars

Magic Items Dungeon Master’s Guide

can expend 1 charge to cast Faerie Fire from the ring. Lightning Spheres. You can expend 2 charges as a Magic action to create up to four 3-foot-diameter spheres of lightning. Each sphere appears in

an unoccupied space you can see within 120 feet of yourself. The spheres last as long as you maintain Concentration, up to 1 minute. Each sphere sheds Dim Light in a 30-foot radius. As a Bonus Action

Quaal's Feather Token

Magic Items Dungeon Master’s Guide

speed by 5 miles per hour for 8 hours. You can dismiss the fan as a Magic action. Swan Boat (Rare). You can take a Magic action to touch the token to a body of water at least 60 feet in diameter

60 feet tall and has a 5-foot-diameter trunk, and its branches at the top spread out in a 20-foot radius. Whip (Rare). You can take a Magic action to throw the token to a point within 10 feet of

Blackrazor

Magic Items Dungeon Master’s Guide

Hidden in the dungeon of White Plume Mountain, Blackrazor shines like a piece of night sky filled with stars. Its black scabbard is decorated with pieces of cut obsidian. You gain a +3 bonus to

attack rolls and damage rolls made with this magic weapon. If you hit an Undead with this weapon, you take 1d10 Necrotic damage, and the target regains 1d10 Hit Points. If this Necrotic damage reduces you

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

Bonus Action to cause it to move in one direction of your choice, up to a number of feet equal to 5 times your Intelligence modifier (minimum 5 feet). Any creature whose space the sphere enters must

Hat of Many Spells

Magic Items Dungeon Master’s Guide

, 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

, and attacks you. 91–95 A vertical, 10-foot-diameter, two-way portal to another plane of existence opens in an unoccupied space within 30 feet of you and remains open until the end of your

Deck of Many Things

Magic Items Dungeon Master’s Guide

combat, you have Advantage on Death Saving Throws for 1 year. If someone else reduces your chosen foe to 0 Hit Points or you don’t choose a foe, this card has no effect. Donjon. You disappear

avatar makes a number of Reaping Scythe attacks equal to half the summoner’s Proficiency Bonus (rounded up). Reaping Scythe. Melee Attack Roll: Automatic hit, reach 5 ft. Hit: 7 (1d8 + 3

Wardaway

Spells Forgotten Realms: Heroes of Faerûn

You hurl a disorienting magical force toward one creature within range. The target makes a Constitution saving throw; Constructs and Undead automatically succeed on this save. On a failed save, the

target takes 2d4 Force damage, its Speed is halved until the start of your next turn, and on its next turn, it can take only an action or a Bonus Action (but not both). On a successful save, the

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

Mechanical Determination. If damage reduces the wonder to 0 Hit Points, it makes a Constitution saving throw with a DC of 5 plus the damage taken unless the damage is Lightning or from a Critical Hit. On

hours or until a creature touches the wonder with its key as a Utilize action to deactivate it, after which the wonder has the Unconscious condition until it is wound again. Bonus Actions Chime

Sapphire Sentinel

Monsters Candlekeep Mysteries

failed save, a target can’t use reactions, its speed is halved, and it can’t make more than one attack on its turn. In addition, the target can take either an action or a bonus action on its

charges are expended, but it regains 1d3 expended charges daily at dawn and glows again once it has 1 or more charges.Stone golems are magical constructs cut and chiseled from stone to appear as tall

Giant Hyena Legacy

Monsters Basic Rules (2014)

Rampage. When the hyena reduces a creature to 0 hit points with a melee attack on its turn, the hyena can take a bonus action to move up to half its speed and make a bite attack.Bite. Melee Weapon

Stone Golem Legacy

Monsters Basic Rules (2014)

save, a target can't use reactions, its speed is halved, and it can't make more than one attack on its turn. In addition, the target can take either an action or a bonus action on its turn, not both

. These effects last for 1 minute. A target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.Stone golems are magical constructs cut and chiseled from

Ancient Construct

Monsters Princes of the Apocalypse

halved, and it can't make more than one attack on its turn. In addition, the target can take either an action or a bonus action on its turn, not both. These effects last for 1 minute. A target can

repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.Stone golems are magical constructs cut and chiseled from stone to appear as tall, impressive statues

Maw Demon Legacy

Monsters Volo's Guide to Monsters

Rampage. When it reduces a creature to 0 hit points with a melee attack on its turn, the maw demon can take a bonus action to move up to half its speed and make a bite attack.Bite. Melee Weapon

Jade Spider

Monsters Out of the Abyss

against this magic. On a failed save, a target can't use reactions, its speed is halved, and it can't make more than one attack on its turn. In addition, the target can take either an action or a bonus

constructs cut and chiseled from Jade to appear as tall, impressive statues. Like other golems, they are nearly impervious to spells and ordinary weapons.Poison, Psychic; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Adamantine

Shadow Legacy

Monsters Basic Rules (2014)

Amorphous. The shadow can move through a space as narrow as 1 inch wide without squeezing. Shadow Stealth. While in dim light or darkness, the shadow can take the Hide action as a bonus action

, and the target's Strength score is reduced by 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Strength Drain"}. The target dies if this reduces its Strength to 0. Otherwise, the reduction

Gnoll Fang of Yeenoghu Legacy

Monsters Monster Manual (2014)

Rampage. When the gnoll reduces a creature to 0 hit points with a melee attack on its turn, the gnoll can take a bonus action to move up to half its speed and make a bite attack.Multiattack. The

Clay Golem Legacy

Monsters Basic Rules (2014)

dies if this attack reduces its hit point maximum to 0. The reduction lasts until removed by the greater restoration spell or other magic. Haste (Recharge 5–6);{"diceNotation":"1d6","rollType

":"recharge","rollAction":"Haste"}. Until the end of its next turn, the golem magically gains a +2 bonus to its AC, has advantage on Dexterity saving throws, and can use its slam attack as a bonus action.Acid, Poison, Psychic; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Adamantine

Young Kruthik

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Tunneler. The kruthik can burrow through solid rock at half its burrowing speed and leaves a 2½-foot-diameter tunnel in its wake.Stab. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType

Constructs, Elementals, Oozes, and Undead, and they use such creatures to help guard their hive. They are smart enough to barricade some tunnels and dig new ones that keep their neighbors away from their eggs.

Mirror of Life Trapping Legacy

Magic Items Basic Rules (2014)

creature knows the mirror's nature, and constructs succeed on the saving throw automatically. An extradimensional cell is an infinite expanse filled with thick fog that reduces visibility to 10 feet

Baleful Talon

Magic Items The Book of Many Things

You gain a +1 bonus to attack and damage rolls made with this hooked, obsidian dagger. When you hit a creature with this magic weapon and roll a 19 or 20 on the attack roll, the creature must make a

DC 15 Constitution saving throw as the dagger flares with sickly light. The creature takes 6d6 necrotic damage on a failed save, or half as much on a successful one. If this damage reduces the creature to 0 hit points, the creature disintegrates into dust.

Phase Spider Legacy

Monsters Basic Rules (2014)

Ethereal Jaunt. As a bonus action, the spider can magically shift from the Material Plane to the Ethereal Plane, or vice versa. Spider Climb. The spider can climb difficult surfaces, including

as much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while

Blackrazor Legacy

Magic Items Dungeon Master’s Guide (2014)

Hidden in the dungeon of White Plume Mountain, Blackrazor shines like a piece of night sky filled with stars. Its black scabbard is decorated with pieces of cut obsidian. You gain a +3 bonus to

reduces you to 0 hit points, Blackrazor devours your soul. Soul Hunter While you hold the weapon, you are aware of the presence of Tiny or larger creatures within 60 feet of you that aren’t

Nagpa Legacy

Monsters Mordenkainen’s Tome of Foes

Corruption. As a bonus action, the nagpa targets one creature it can see within 90 feet of it. The target must make a DC 20 Charisma saving throw. An evil creature makes the save with disadvantage

(Recharge 6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Paralysis"}. As a bonus action, the nagpa forces each creature within 30 feet of it to succeed on a DC 20 Wisdom saving throw or

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

this creature’s proficiency bonus plus its Strength modifier, reach 5 ft., one target. Hit: 1d4 + this creature’s Strength modifier piercing damage. Rampage. When this creature reduces a

. 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

Gnoll Legacy

Monsters Basic Rules (2014)

Rampage. When the gnoll reduces a creature to 0 hit points with a melee attack on its turn, the gnoll can take a bonus action to move up to half its speed and make a bite attack.Bite. Melee Weapon

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