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Returning 35 results for 'before being diameter causing reduced'.
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before being diameter casting reduced
Magic Items
Dungeon Master’s Guide
As a Magic action, you can throw this staff so that it lands in an unoccupied space within 10 feet of you, causing the staff to become a Giant Constrictor Snake in that space. The snake is under your
for 1 hour. If the snake is reduced to 0 Hit Points, it dies and reverts to its staff form; the staff then shatters and is destroyed. If the snake reverts to staff form before losing all its Hit Points, it regains all of them.
Monsters
Monster Manual
Entangling Rope action. The rope has AC 20, HP 90, and Immunity to Poison and Psychic damage. The rope turns to dust if reduced to 0 Hit Points, if it is 5+ feet away from the erinyes for 1 hour or more
the target, or the erinyes uses Entangling Rope again.Parry. Trigger: The erinyes is hit by a melee attack roll while holding a weapon. Response: The erinyes adds 4 to its AC against that attack, possibly causing it to miss.Fire, PoisonCold
Monsters
Monster Manual
maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Rotting Fist"} every 24 hours that elapse. A creature dies and turns to dust if reduced to 0 Hit Points by this attack
Sand. Trigger: The mummy is hit by an attack roll. Response: The mummy adds 2 to its AC against the attack, possibly causing the attack to miss, and the mummy teleports up to 60 feet to an unoccupied
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
Monsters
Phandelver and Below: The Shattered Obelisk
Siege Monster. The auger deals double damage to objects and structures.
Tunneler. The auger can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its
auger is created when a wicked spirit enters an excavation drill, causing the hulking corkscrew bore to glow brightly with hellfire.
Fueled by the fervent aggression of the evil spirit within, fiendish
Magic Items
Bigby Presents: Glory of the Giants
. Additionally, you can cast the spare the dying cantrip using either an action or a bonus action.
Invoking the Rune. When a creature you can see within 60 feet of you is reduced to 0 hit points as a result of
taking damage, you can use your reaction to invoke the item’s rune, causing the pendant to flash with pale light. The creature then instead drops to 1 hit point.
Once the rune has been invoked, it can’t be invoked again until the next dawn.
Monsters
Tales from the Yawning Portal
half damage if it fails.
Displacement. The displacer beast projects a magical illusion that makes it appear to be standing near its actual location, causing attack rolls against it to have disadvantage
. If it is hit by an attack, this trait is disrupted until the end of its next turn. This trait is also disrupted while the displacer beast is incapacitated or has a speed of 0.
Reduced Threat. This
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)
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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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
tempest is always at the center of a storm 1d6 + 4;{"diceNotation":"1d6+4","rollType":"roll","rollAction":"Living Storm"} miles in diameter. Heavy precipitation in the form of either rain or snow
falls there, causing the area to be lightly obscured. Heavy rain also extinguishes open flames and imposes disadvantage on Wisdom (Perception) checks that rely on hearing. In addition, strong winds swirl
Magic Items
Storm King's Thunder
This triangular fire opal measures about three inches on each side and is half an inch thick. The ild (fire) rune shimmers within its core, causing it to be slightly warm to the touch. The opal has
circle no larger than 1 foot in diameter.
Fire’s Friend. You have resistance to cold damage.
Fire Tamer. As an action, you can extinguish any open flame within 10 feet of you. You choose how
Elder Tempest
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Monsters
Mordenkainen’s Tome of Foes
storm 1d6 + 4;{"diceNotation":"1d6+4","rollType":"roll","rollAction":"Living Storm"} miles in diameter. Heavy precipitation in the form of either rain or snow falls there, causing the area to be lightly
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
uses an action to reattach the arm.
15–16: “Who Turned Out the Lights?” The autognome’s head falls off and deactivates, causing the autognome to be blinded and deafened until
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
Monsters
The Book of Many Things
Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit
"} necrotic damage, and its Charisma score is reduced by 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Drink Breath"}. This reduction lasts until the target finishes a short or long rest. If this
Monsters
Van Richten’s Guide to Ravenloft
","rollDamageType":"piercing"} piercing damage at the start of each of its turns. Any creature can use an action to kill or remove the scarabs with fire or a weapon that deals piercing damage, causing 1 damage of
the appropriate type to the target. A creature reduced to 0 hit points by the swarm’s piercing damage dies.Base creatures are among the first to respond to sinister forces at work in a land. As
Yeenoghu
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Monsters
Out of the Abyss
atrocities in his name. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with him
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
them into flind;flinds. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with
count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them.
Iron Spike
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
Monsters
Fizban's Treasury of Dragons
Death Throes. When the draconian is reduced to 0 hit points, its magical essence lashes out as a ball of lightning at the closest creature within 30 feet of it before arcing out to up to two other
AC against that attack and potentially causing the attack to miss.The rarest and most powerful of the draconians are the masterminds—spellcasters and strategists who most often serve as military
Magic Items
Strixhaven: A Curriculum of Chaos
or slap it awake.
Visions of Terror. The cursed creature sees terrifying visions, causing it to view all creatures that aren’t also cursed as dangerous monsters for 10 minutes. The cursed
, poison, and psychic damage; and resistance to all other types of damage. If reduced to 0 hit points, the orb shatters.
Monsters
Mordenkainen Presents: Monsters of the Multiverse
diameter with a ceiling 100 feet high. Like a stomach, it contains the remains of past meals. The dreadnought can’t be harmed from within the demiplane. If the dreadnought dies, the demiplane
successful one.Enormous and terrifying, astral dreadnoughts haunt the silvery void of the Astral Plane, causing planar travelers to shudder at the very thought of them. Dreadnoughts have been gliding through
Demilich (Variant)
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Monsters
Monster Manual (2014)
Actions). Each creature within 30 feet of the demilich must make a DC 16 Constitution saving throw. On a failed save, the creature’s hit point maximum is magically reduced by 10 (3d6);{"diceNotation
":"3d6","rollType":"roll","rollAction":"Energy Drain"}. If a creature’s hit point maximum is reduced to 0 by this effect, the creature dies. A creature’s hit point maximum can be restored
Monsters
Fizban's Treasury of Dragons
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 10-foot-diameter tunnel in its wake.Bite. Melee Weapon Attack: +4;{"diceNotation":"1d20+4", "rollType
must be convinced to defend the school in a contest against a rival college.
7
An emerald dragon invisibly tails a party of adventurers, causing trouble for the heroes so the dragon can watch how
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
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
Monsters
Eberron: Rising from the Last War
much damage on a successful one. A creature reduced to 0 hit points by this beam is disintegrated, leaving behind anything it was wearing or carrying.In the final days of the Last War, House Cannith
Mourning. The arcane cataclysm that engulfed Cyre destroyed most of the warforged colossi, causing them to collapse into lifeless heaps.
Colossal Survivors. Some warforged colossi survived the Day of
Monsters
Monstrous Compendium Vol. 1: Spelljammer Creatures
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
, and the fractine can’t be harmed from within the demiplane.
The fractine can imprison only one creature at a time and can release that creature as a bonus action. If the fractine is reduced
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
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
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
population, but the galeb duhr are causing trouble for local miners.
4
Two Lolth cultist;cultists seek a magical relic that attracts giant spider;giant spiders, but the relic’s resting place has
Monsters
Fizban's Treasury of Dragons
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 10-foot-diameter tunnel in its wake.Multiattack. The dragon makes one Bite attack and two Claw attacks
and must be convinced to defend the school in a contest against a rival college.
7
An emerald dragon invisibly tails a party of adventurers, causing trouble for the heroes so the dragon can
Compendium
- Sources->Dungeons & Dragons->Spelljammer Academy
Ending the Encounter The encounter ends when one of the following conditions is met: The enemy ship is reduced to 100 hit points or fewer, causing it to retreat. The enemy ship takes two critical
hits, causing it to retreat. The characters’ ship moves more than 100 feet away from the enemy ship, at which point the enemy ship breaks off its pursuit and flees. The characters’ ship is reduced to 0 hit points. If this occurs, the characters fail the training exercise, and the simulation ends.
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
Compendium
- Sources->Dungeons & Dragons->Eberron: Rising from the Last War
attuned to. If you’re reduced to 0 hit points but not killed outright, you can use your reaction to end one of your artificer infusions, causing you to drop to 1 hit point instead of 0.






