before being diameter creator reduced

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

Gingwatzim

Monsters Candlekeep Mysteries

Ethereal Plane to give the gingwatzim its true form—that of a luminous (but not too bright) sphere of ectoplasm roughly 3 feet in diameter. A newly formed gingwatzim appears as near to its creator as

Alternate Forms. The gingwatzim has two alternate forms, both of which are chosen by its creator when the gingwatzim comes into being. One form is an exact duplicate of a Tiny nonmagical object (such

Reduced-threat Helmed Horror

Monsters Tales from the Yawning Portal

Magic Resistance. The helmed horror has advantage on saving throws against spells and other magical effects. Spell Immunity. The helmed horror is immune to three spells chosen by its creator. Typical

immunities include fireball, heat metal, and lightning bolt. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Multiattack. The helmed horror makes two longsword

False Lich

Monsters Vecna: Eve of Ruin

ritual. This transforms the corpse into a near-identical copy of the lich with immense necrotic power and some of its creator’s arcane prowess. The creator then embeds enchanted gemstones into the

corpse’s eye sockets; the gems allow the false lich to trap creatures’ souls and transfer the souls to its creator. A false lich often gradually gains a sense of self-identity. While many

Reduced-threat Flesh Golem

Monsters Tales from the Yawning Portal

. Once the golem goes berserk, it continues to do so until it is destroyed or regains all its hit points. The golem's creator, if within 60 feet of the berserk golem, can try to calm it by speaking

firmly and persuasively. The golem must be able to hear its creator, who must take an action to make a DC 13 Charisma (Persuasion) check. If the check succeeds, the golem ceases being berserk. If it

Irda Seeker

Monsters Monstrous Compendium Vol. 2: Dragonlance Creatures

reduced to 0 hit points or if the seeker uses an action to end the transformation.Irda seekers are skilled spies who use their magic to disguise themselves and gather intelligence for their allies. In

combat, irda seekers can momentarily cloak themselves as they dart around the battlefield. Irda The Dragon Queen created the irda long ago. While most irda embraced their wicked creator’s

Bones of the Earth

Spells Elemental Evil Player's Companion

reduced to 0 hit points, a pillar crumbles into rubble, which creates an area of difficult terrain with a 10-foot radius that lasts until the rubble is cleared. Each 5-foot-diameter portion of the area

You cause up to six pillars of stone to burst from places on the ground that you can see within range. Each pillar is a cylinder that has a diameter of 5 feet and a height of up to 30 feet. The

Ice Devil (Spear Variant) Legacy

Monsters Monster Manual (2014)

":"Ice Spear","rollDamageType":"cold"} cold damage. If the target is a creature, it must succeed on a DC 15 Constitution saving throw, or for 1 minute, its speed is reduced by 10 feet; it can take either

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

Banderhobb

Monsters Mordenkainen Presents: Monsters of the Multiverse

"} necrotic damage at the start of each of the banderhobb’s turns. A creature reduced to 0 hit points in this way stops taking the necrotic damage and becomes stable. The banderhobb can have

shape resembling a bipedal toad. In this form, a banderhobb temporarily serves its creator as a thug, a thief, and a kidnapper that swallows the unwary. Hags have devised a ritual for creating

Irda Veil Keeper

Monsters Monstrous Compendium Vol. 2: Dragonlance Creatures

’s statistics don’t change. The veil keeper reverts to its true form if the veil keeper is reduced to 0 hit points or if the veil keeper uses an action to end the transformation

inhabitants from the outside world for centuries. Irda The Dragon Queen created the irda long ago. While most irda embraced their wicked creator’s teachings, some of them adopted the

Relentless Impaler

Monsters Vecna: Eve of Ruin

Bloodheart Stake. The impaler is magically bound to the ceremonial stake and the sacrificed corpse the ritual caster used to create it. If the impaler is reduced to 0 hit points, it disappears, then

if it is reduced to 0 hit points while either the ceremonial stake is removed from the sacrifice’s corpse or the impaler is on a different plane of existence from that corpse. Legendary

Autognome

Monsters Spelljammer: Adventures in Space

Malfunction. Whenever the autognome takes 15 damage or more from a single source and isn’t reduced to 0 hit points by that damage, roll a d20;{"diceNotation":"1d20","rollType":"roll

autognome obeys its creator’s commands when it is functioning properly, but a design flaw can cause an autognome to go rogue, forget its orders, and wander Wildspace doing anything except what it

Spectral Cloud

Monsters Bigby Presents: Glory of the Giants

, it must succeed on a DC 20 Constitution saving throw, or its hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest

. The target dies if its hit point maximum is reduced to 0. A Humanoid slain by this attack immediately rises as a miniature spectral cloud (use the specter stat block in the Monster Manual). The

Oculorb

Monsters Phandelver and Below: The Shattered Obelisk

saving throw. On a failed save, a creature’s speed is reduced to 0 feet until the end of the oculorb’s next turn, and if the creature was concentrating, its concentration is broken. Withering

. They are dreaded even by the beholders that birth them. An oculorb is a tangle of negative emotions—the fury, melancholy, and obsession of its creator, all given gruesome, corporeal form. Like

Carrionette

Monsters Van Richten’s Guide to Ravenloft

, the target’s speed is reduced by 10 feet, and it must roll a 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Silver Needle"} and subtract the number rolled from each ability check or

, for a time, a creator might feel blessed by their new companion. But carrionettes aren’t content to live as toys and seek to escape the confines of their diminutive bodies. Every carrionette

Maschin-i-Bozorg

Monsters Quests from the Infinite Staircase

Overheat. When the maschin-i-bozorg is reduced to 0 hit points, its power source overloads, briefly superheating its outer shell. Each creature within 10 feet of the maschin-i-bozorg must make a DC

underside. Maschin-i-bozorgs typically act as guardians and sentries, tirelessly patrolling the sites they’re assigned to protect. Each machine obeys the commands of its creator. A machin-i-bozorg

Molydeus (Summoner Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes (see the Monster Manual) if this reduces its hit

lord bestows on it a powerful weapon that dissolves if the molydeus dies. The weapon’s form varies depending on the creator, but that doesn’t affect the weapon’s capabilities.PoisonCold, Fire, Lightning; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Molydeus

Monsters Mordenkainen Presents: Monsters of the Multiverse

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes (see the Monster Manual) if this reduces its hit

foes, and terrify troops into obedience. A molydeus’s demon lord bestows on it a powerful weapon that dissolves if the molydeus dies. The weapon’s form varies depending on the creator, but

Jammer Leech

Monsters Spelljammer: Adventures in Space

Spelljammer Overload. If the leech is reduced to 0 hit points while attached to a ship that has a spelljamming helm, the creature attuned to that helm must make a DC 13 Constitution saving throw. On

shell is affixed to the ship by a glue-like substance secreted by the leech. The shell grows until it’s about 1 foot in diameter. The leech inside is reddish-purple in color, with a body resembling

Adult Lunar Dragon

Monsters Spelljammer: Adventures in Space

-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +11;{"diceNotation

","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t

Ancient Lunar Dragon

Monsters Spelljammer: Adventures in Space

-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +14;{"diceNotation

Breath","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t

Clockwork Oaken Bolter

Monsters Mordenkainen Presents: Monsters of the Multiverse

;t reduced, but it can move only in directions that bring it closer to the clockwork. A creature takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction":"Harpoon", "rollDamageType

the start of the clockwork’s turn. If you roll a 1, the clockwork mistakes one creature it can see within 30 feet for its creator. The clockwork won’t willingly harm that creature for 1

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

, 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

critical hit or is reduced to 0 hit points, it sprays acid; each creature within 5 feet of it takes acid damage equal to its number of Hit Dice. Acid, Poison; Bludgeoning, Piercing, and Slashing that is NonmagicalCold, Fire, Lightning

Imix

Monsters Princes of the Apocalypse

of Imix, and disappear if Imix is reduced to 0 hit points.Imix can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end

die and ponds dry up; after 10 days, unprotected livestock dies, and wells and small rivers dry up; after 20 days, large lakes and rivers are reduced in depth by 20 feet and shrink accordingly

Gingwatzim

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

form—that of a luminous (but not too bright) sphere of ectoplasm roughly 3 feet in diameter. A newly formed gingwatzim appears as near to its creator as possible and follows its creator’s commands

without question, using telepathy to communicate. A gingwatzim can assume two other forms that are determined by its creator at the time the gingwatzim comes into being. One is an exact duplicate of a

Ancient Amethyst Dragon

Monsters Fizban's Treasury of Dragons

next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced. Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell

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

Adult Amethyst Dragon

Monsters Fizban's Treasury of Dragons

next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced. Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell

than a foot in diameter that extend six to ten feet from the interior stone surfaces of the lair. These crystals resonate with the dragon’s presence, and glow with a soft inner light. The older

Ruin Grinder

Compendium - Sources->Dungeons & Dragons->Strixhaven: A Curriculum of Chaos

Languages understands the languages of its creator but can’t speak Challenge 5 (1,800 XP) Proficiency Bonus +3 Fire Absorption. Whenever the ruin grinder is subjected to fire damage, it regains a

half its burrowing speed and leaves a 10-foot-diameter tunnel in its wake. Actions Multiattack. The ruin grinder makes two Excavator attacks. Excavator. Melee Weapon Attack: +9 to hit, reach 5 ft

Bones of the Earth

Compendium - Sources->Dungeons & Dragons->Xanathar's Guide to Everything

you can see within range. Each pillar is a cylinder that has a diameter of 5 feet and a height of up to 30 feet. The ground where a pillar appears must be wide enough for its diameter, and you can

target the ground under a creature if that creature is Medium or smaller. Each pillar has AC 5 and 30 hit points. When reduced to 0 hit points, a pillar crumbles into rubble, which creates an area of

Infiltrating the Fortress

Compendium - Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus

. The corridor is not guarded while the flying fortress is moored at the Stygian Dock. Signal Vents Tiny hatches in the hull connect to 1-foot-diameter chutes that ascend to the vessel’s command deck

. During battle, Zariel’s imp couriers use these chutes to enter and exit the flying fortress. Characters reduced to Tiny size or in gaseous form can navigate these narrow chutes to reach the command

Bones of the Earth

Compendium - Sources->Dungeons & Dragons->Princes of the Apocalypse

you can see within range. Each pillar is a cylinder that has a diameter of 5 feet and a height of up to 30 feet. The ground where a pillar appears must be wide enough for its diameter, and you can

target the ground under a creature if that creature is Medium or smaller. Each pillar has AC 5 and 30 hit points. When reduced to 0 hit points, a pillar crumbles into rubble, which creates an area of

Nimblewright

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dragon Heist

clothing. Some nimblewrights wear plain clothing, while others are clad in flashier attire. A nimblewright is emotionless, its face frozen in whatever expression was given to it by its creator. Duelist

, food, drink, or sleep. Damage it takes can be repaired with mending spells, but a nimblewright reduced to 0 hit points is permanently destroyed. Nimblewright Medium construct, unaligned Armor Class

M10. Shadow Theater

Compendium - Sources->Dungeons & Dragons->The Wild Beyond the Witchlight

. Shadows that are reduced to 0 hit points are destroyed and reattach to their original owners as normal shadows. A creature whose Strength is reduced to 0 by a shadow’s Strength Drain attack does not die

-diameter sphere of white glass sheds bright light out to a range of 20 feet and dim light for an additional 20 feet. Casting dispel magic on the sphere automatically causes its light to go out. Treasure. Characters who search the shadow theater find a pair of opera glasses (250 gp) resting on one seat.

Horn of Beckoning Death

Compendium - Sources->Dungeons & Dragons->Legendary Magic Items

Humanoid killed in this way instantly transforms into a zombie (see the Monster Manual). The zombie obeys the commands of the horn’s creator, the lich Szass Tam. Once you use the horn’s property, it

Plane. When you hit a creature with a melee attack using this magic dagger, the target takes an extra 3d12 necrotic damage. A creature reduced to 0 hit points by this weapon dies and can’t be raised

Lunar Dragon Wyrmling

Compendium - Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Boo’s Astral Menagerie

and leaves a 5-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air. Actions Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2) piercing

save, the creature takes 13 (3d8) cold damage, and its speed is halved until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced

D&D Beyond

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