before behind diameter casting reduces

Black Pudding

Monsters Monster Manual

by the target takes a −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10. The penalty can be removed by casting the Mending spell on the armor.Split

penalty reaches −5. The penalty can be removed by casting the Mending spell on the weapon. In 1 minute, the pudding can eat through 2 feet of nonmagical wood or metal. Spider Climb. The pudding

Gray Ooze

Monsters Monster Manual

":"Acid"} Acid damage. Nonmagical armor worn by the target takes a −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10. The penalty can be removed by casting the Mending spell on the armor.Acid, Cold, Fire

the penalty reaches −5. The penalty can be removed by casting the Mending spell on the weapon. The ooze can eat through 2-inch-thick, nonmagical metal or wood in 1 round.Pseudopod. Melee Attack

Rust Monster

Monsters Monster Manual

creature with the object. Failure: The object takes a −1 penalty to the AC it offers (armor) or to its attack rolls (weapon). Armor is destroyed if the penalty reduces its AC to 10, and a weapon

is destroyed if its penalty reaches −5. The penalty can be removed by casting the Mending spell on the armor or weapon. Destroy Metal. The rust monster touches a nonmagical metal object within

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

, you can move each sphere up to 30 feet, but no farther than 120 feet away from yourself. The first time the sphere comes within 5 feet of a creature other than you that isn’t behind Total

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.

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

succeed on a DC 19 Dexterity saving throw or be touched by it, taking 8d10 Force damage. A creature reduced to 0 Hit Points by this damage is obliterated, leaving its possessions behind but no other

Mirror of Life Trapping

Magic Items Dungeon Master’s Guide

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

Astral Plane. The gate originates 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 to a random location on the Astral Plane. The gate then closes. The gate is one-way only and can’t be reopened.

Sword of Kas

Magic Items Dungeon Master’s Guide

. Legend says Vecna’s destruction came at Kas’s hand, but Vecna also wrought his rebellious lieutenant’s doom, leaving only Kas’s sword behind. Bloodthirst. The sword thirsts for

Kas, provided the sword is within 30 feet of the spell’s caster. Upon casting Wish, the creature makes a DC 18 Charisma saving throw. On a failed save, nothing happens, and the Wish spell is wasted. On a successful save, the Sword of Kas is destroyed.

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

, 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

Glyph of Warding

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

Thunder damage (your choice when you create the glyph) on a failed save or half as much damage on a successful one. Spell Glyph. You can store a prepared spell of level 3 or lower in the glyph by casting

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

and become entombed in a state of suspended animation in an extradimensional sphere. Everything you’re wearing and carrying disappears with you except for Artifacts, which stay behind in the space

Dirge

Spells Forgotten Realms: Heroes of Faerûn

save only once per turn. Casting as a Circle Spell. Casting this as a Circle spell requires a minimum of two secondary casters. If the spell is cast as a Circle spell, its duration becomes

lost Hit Points nor reduces the creature’s Exhaustion level. When the spell is cast, each secondary caster must expend a level 4+ spell slot; otherwise, the spell fails.

Replica Tridrone

Monsters Acquisitions Incorporated

, screws, and wires, leaving behind its weapons and anything else it was carrying. Each collapsed modron also spits out a six-inch-diameter magically charged disk that powers the creature, as well as a

Replica Duodrone

Monsters Acquisitions Incorporated

, screws, and wires, leaving behind its weapons and anything else it was carrying. Each collapsed modron also spits out a six-inch-diameter magically charged disk that powers the creature, as well as a

Replica Pentadrone

Monsters Acquisitions Incorporated

—gears, plates, screws, and wires, leaving behind its weapons and anything else it was carrying. Each collapsed modron also spits out a six-inch-diameter magically charged disk that powers the

Replica Monodrone

Monsters Acquisitions Incorporated

, plates, screws, and wires, leaving behind its weapons and anything else it was carrying. Each collapsed modron also spits out a six-inch-diameter magically charged disk that powers the creature, as well as

Replica Quadrone

Monsters Acquisitions Incorporated

, screws, and wires, leaving behind its weapons and anything else it was carrying. Each collapsed modron also spits out a six-inch-diameter magically charged disk that powers the creature, as well as a

Ice Devil Legacy

Monsters Basic Rules (2014)

of it. The wall is 1 foot thick and up to 30 feet long and 10 feet high, or it's a hemispherical dome up to 20 feet in diameter. When the wall appears, each creature in its space is pushed out of it

section is destroyed, it leaves behind a sheet of frigid air in the space the wall occupied. Whenever a creature finishes moving through the frigid air on a turn, willingly or otherwise, the creature

Blade Barrier Legacy

Spells Basic Rules (2014)

high, and 5 feet thick, or a ringed wall up to 60 feet in diameter, 20 feet high, and 5 feet thick. The wall provides three-quarters cover to creatures behind it, and its space is difficult terrain

Quadrone Detention Drone

Monsters The Book of Many Things

Axiomatic Mind. The drone can’t be compelled to act in a manner contrary to its nature or its instructions. Disintegration. If the drone dies, its body disintegrates into dust, leaving behind

up to 30 feet in any direction. A successful casting of the Dispel Magic spell on the orb (DC 15) destroys it. The orb otherwise remains intact until the drone spends an action to end the effect or

Night Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

For casting these spells, each hag is a 12th-level spellcaster that uses Intelligence as her spellcasting ability. The spell save DC is 15, and the spell attack bonus is +7;{"diceNotation":"1d20+7

":"roll","rollAction":"Nightmare Haunting"}. If this effect reduces the target's hit point maximum to 0, the target dies, and if the target was evil, its soul is trapped in the hag's soul bag. The

Ice Devil (Spear Variant) Legacy

Monsters Monster Manual (2014)

it's a hemispherical dome up to 20 feet in diameter. When the wall appears, each creature in its space is pushed out of it by the shortest route. The creature chooses which side of the wall to end up on

hit points, vulnerability to fire damage, and immunity to acid, cold, necrotic, poison, and psychic damage. If a section is destroyed, it leaves behind a sheet of frigid air in the space the wall

Sapphire Sentinel

Monsters Candlekeep Mysteries

golem’s chest, hidden behind an 9-inch-diameter stone disk. The outer surface of the disk is inscribed with a blue circle that has eight golden beams radiating from it like the rays of the sun

gemstone is 6 inches in diameter and has the following properties: It is indestructible until the golem completes its mission. The sapphire has 3 charges. As an action, the golem can expend 1 charge to

Wurm

Monsters Guildmasters’ Guide to Ravnica

":"force"} force damage. Siege Monster. The wurm deals double damage to objects and structures. Tunneler. The wurm can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter

earth in front of it and swim through the area. The soil resolidifies and closes behind it. Moving through rock is slower and more difficult, and the wurm leaves a tunnel in its wake. The Gruul Clans

Vanifer

Monsters Princes of the Apocalypse

Funeral Pyre. When Vanifer drops to 0 hit points, her body is consumed in a flash of fire and smoke. Anything she was wearing or carrying is left behind among ashes. Legendary Resistance (2/Day). If

spell she previously cast using a lair action. Vanifer can take no other lair actions while concentrating on a spell cast as a lair action. Her favorite use of this capability is casting fireball or

Ice Devil (Summoner Variant) Legacy

Monsters Monster Manual (2014)

of it. The wall is 1 foot thick and up to 30 feet long and 10 feet high, or it's a hemispherical dome up to 20 feet in diameter. When the wall appears, each creature in its space is pushed out of it

section is destroyed, it leaves behind a sheet of frigid air in the space the wall occupied. Whenever a creature finishes moving through the frigid air on a turn, willingly or otherwise, the creature

Ythryn Mythallar

Magic Items Icewind Dale: Rime of the Frostmaiden

hold. The largest mythallars are 150 feet in diameter. The Ythryn mythallar is a relatively small device—a mere 50 feet in diameter. To attune to this mythallar, a creature must finish a short

can use the Ythryn mythallar to cast the control weather spell without requiring any components and without the need for you to be outdoors. This casting of the spell has a 50-mile radius. For the

Eyestalk of Gzemnid

Monsters Planescape: Adventures in the Multiverse

Tunneler. The eyestalk can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The eyestalk uses Eradication Gaze, if available, and makes

);{"diceNotation":"10d10", "rollType":"damage", "rollAction":"Eradication Gaze", "rollDamageType":"necrotic"} necrotic damage. If this damage reduces a creature to 0 hit points, its body becomes a

Halaster Blackcloak

Monsters Waterdeep: Dungeon of the Mad Mage

temporary hit points per level of the slot.Halaster, the Mad Mage of Undermountain, is the deranged individual behind most of the traps and horrors found in the great dungeon under Waterdeep

casting elder runes on them. Halaster’s gates connect the different levels of Undermountain, thus enabling him to bring new monsters into the dungeon to replenish those that die or escape. Even as

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

. As they burrow through the earth, they leave behind tunnels—evidence that is often the first clue to the nearby presence of a kruthik hive. Kruthiks also make use of preexisting underground

Asteroid Spider

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

full-grown specimen has a body 30 feet in diameter and legs that are at least 30 feet long. When it wraps its legs tightly around its body and closes its eyes, the asteroid spider resembles nothing so

ship that aren’t enclosed become difficult terrain until the effect ends. The web is impervious to damage but is destroyed by a successful casting of dispel magic (DC 18).

Astral Projection Legacy

Spells Basic Rules (2014)

You and up to eight willing creatures within range project your astral bodies into the Astral Plane (the spell fails and the casting is wasted if you are already on that plane). The material body you

leave behind is unconscious and in a state of suspended animation; it doesn't need food or air and doesn't age. Your astral body resembles your mortal form in almost every way, replicating your game

Drowned Assassin

Monsters Ghosts of Saltmarsh

them instantaneously and without limitation. Undead Fortitude. If damage reduces the drowned assassin to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken

deadly precision. Hidden behind a simple driftwood mask, this creature’s face causes terror in mortal hearts when exposed.Poison

Ring of Shooting Stars Legacy

Magic Items Basic Rules (2014)

While wearing this ring in dim light or darkness, you can cast dancing lights and light from the ring at will. Casting either spell from the ring requires an action. The ring has 6 charges for the

charges as an action to create one to four 3-foot-diameter spheres of lightning. The more spheres you create, the less powerful each sphere is individually. Each sphere appears in an unoccupied space

King Jhaeros

Monsters Keys from the Golden Vault

Ashen Creature. When Jhaeros drops to 0 hit points, he explodes in a harmless cloud of ashes, leaving nothing else behind. Berserk. Whenever Jhaeros starts his turn with 60 hit points or fewer, roll

Constitution saving throw or have its hit point maximum reduced by an amount equal to the damage taken. The target dies if this attack reduces its hit point maximum to 0. The reduction lasts until removed by the

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