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Returning 35 results for 'mechanical some with only after failed for lasts'.
Magic Items
Dungeon Master’s Guide
are set in a row along the haft. It has three other properties as well, detailed below.
Buttons. You can press one of the following buttons as a Bonus Action; a button’s effect lasts until you
height above it.
Drain Life. When you hit a creature with a melee attack using the rod, you can force the target to make a DC 17 Constitution saving throw. On a failed save, the target takes an extra
Spells
Player’s Handbook
You create a wall of whirling blades made of magical energy. The wall appears within range and lasts for the duration. You make a straight wall up to 100 feet long, 20 feet high, and 5 feet thick, or
Dexterity saving throw, taking 6d10 Force damage on a failed save or half as much damage on a successful one. A creature also makes that save if it enters the wall’s space or ends it turn there. A creature makes that save only once per turn.
Spells
Player’s Handbook
A swirling cloud of embers and smoke fills a 20-foot-radius Sphere centered on a point within range. The cloud’s area is Heavily Obscured. It lasts for the duration or until a strong wind (like
that created by Gust of Wind) disperses it.
When the cloud appears, each creature in it makes a Dexterity saving throw, taking 10d8 Fire damage on a failed save or half as much damage on a
Spells
Player’s Handbook
), earth (Thunder), fire (Fire), or water (Cold). The spirit lasts for the duration.
Whenever a creature you can see enters the spirit’s space or starts its turn within 5 feet of the spirit, you
can force that creature to make a Dexterity saving throw if the spirit has no creature Restrained. On failed save, the target takes 8d8 damage of the spirit’s type, and the target has the
Spells
Player’s Handbook
You create a 20-foot-radius Sphere of yellow-green fog centered on a point within range. The fog lasts for the duration or until strong wind (such as the one created by Gust of Wind) disperses it
, ending the spell. Its area is Heavily Obscured.
Each creature in the Sphere makes a Constitution saving throw, taking 5d8 Poison damage on a failed save or half as much damage on a successful one. A
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
Spells
Player’s Handbook
so long as it makes one continuous path along the ground. The wall lasts for the duration.
When the wall appears, each creature in its area makes a Strength saving throw, taking 4d8 Bludgeoning
damage on a failed save or half as much damage on a successful one.
The strong wind keeps fog, smoke, and other gases at bay. Small or smaller flying creatures or objects can’t pass through the wall
Spells
Player’s Handbook
You create a wall of tangled brush bristling with needle-sharp thorns. The wall appears within range on a solid surface and lasts for the duration. You choose to make the wall up to 60 feet long, 10
Dexterity saving throw, taking 7d8 Piercing damage on a failed save or half as much damage on a successful one.
A creature can move through the wall, albeit slowly and painfully. For every 1 foot a
Spells
Player’s Handbook
-square panels. Each panel must be contiguous with another panel. In any form, the wall is 1 foot thick and lasts for the duration.
If the wall cuts through a creature’s space when it appears
, the creature is pushed to one side of the wall (you choose which side) and makes a Dexterity saving throw, taking 10d6 Cold damage on a failed save or half as much damage on a successful one.
The wall
Spells
Player’s Handbook
wall into a globe up to 30 feet in diameter centered on a point within range. The wall lasts for the duration. If you position the wall in a space occupied by a creature, the spell ends instantly
violet layer.
Prismatic Layers
Order
Effects
1
Red. Failed Save: 12d6 Fire damage. Successful Save: Half as much damage. Additional Effects: Nonmagical ranged attacks can’t pass
Spells
Player’s Handbook
damage on failed save or half as much damage on a successful one.
If the globe strikes a body of water, it freezes the water to a depth of 6 inches over an area 30 feet square. This ice lasts for 1
Spells
Player’s Handbook
You conjure nature spirits that appear as a Large pack of spectral, intangible animals in an unoccupied space you can see within range. The pack lasts for the duration, and you choose the spirits
ends its turn there, you can force that creature to make a Dexterity saving throw. On a failed save, the creature takes 3d10 Slashing damage. A creature makes this save only once per turn.
Using a Higher-Level Spell Slot. The damage increases by 1d10 for each spell slot level above 3.
Spells
Player’s Handbook
foot thick. The wall is opaque and lasts for the duration.
When the wall appears, each creature in its area makes a Dexterity saving throw, taking 5d8 Fire damage on a failed save or half as much
Spells
Player’s Handbook
A wall of water springs into existence at a point you choose within range. You can make the wall up to 300 feet long, 300 feet high, and 50 feet thick. The wall lasts for the duration.
When the wall
appears, each creature in its area makes a Strength saving throw, taking 6d10 Bludgeoning damage on a failed save or half as much damage on a successful one.
At the start of each of your turns after
Magic Items
Dungeon Master’s Guide
, the creature repeats the save at the end of its next turn. On a successful save, the effect ends. On a failed save, the creature has the Petrified condition instead of the Restrained condition. The petrification lasts until the creature is freed by the Greater Restoration spell or similar magic.
creature closest to the chosen point of origin makes a DC 15 Constitution saving throw. On a failed save, the creature has the Restrained condition and begins to turn to stone. While Restrained in this way
Spells
Player’s Handbook
, the wave repeats on the start of your next turn while the flood effect lasts.
Part Water. You part water in the area and create a trench. The trench extends across the spell’s area, and the
lasts until you choose a different effect or the spell ends. The whirlpool is 5 feet wide at the base, up to 50 feet wide at the top, and 25 feet tall. Any creature in the water and within 25 feet of
Spells
Player’s Handbook
failed save, the target has the Charmed condition for the duration. While Charmed in this way, the target also has the Incapacitated condition and is unaware of its surroundings, though it can hear
you. If it takes any damage or is targeted by another spell, this spell ends, and no memories are modified.
While this charm lasts, you can affect the target’s memory of an event that it
Spells
Player’s Handbook
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
creatures or creates harmful objects or traps, they appear as close as possible to the intruder and attack it. If the spell requires Concentration, it lasts until the end of its full duration.
Using a Higher
Monsters
Forgotten Realms: Adventures in Faerûn
knowledge of an even older version of himself. One of Manshoon’s enemies, Halaster Blackcloak, removed Manshoon’s left arm at the elbow. Manshoon now uses a mechanical prosthetic arm
someone else in disguise, which is just as Manshoon prefers.
Manshoon seeks power and is checked only by the many enemies who want to see him dead. He recently failed to seize control of Waterdeep in a
Spells
Forgotten Realms: Heroes of Faerûn
You create a 20-foot-radius Sphere of inky fog within range. The fog is magical Darkness and lasts for the duration or until a strong wind (such as the one created by the Gust of Wind spell
) disperses it, ending the spell.
Each creature in the Sphere when it appears makes a Wisdom saving throw. On a failed save, a creature takes 5d6 Psychic damage and subtracts 1d6 from its saving throws until
Monsters
Planescape: Adventures in the Multiverse
-foot-tall, 20-foot-radius cylinder of magical force rises from that point. Each creature in that area must make a DC 15 Dexterity saving throw. On a failed save, a creature takes 21 (6d6);{"diceNotation
have wormlike bodies studded with nine mechanical arms.
Modrons
Constructed on the plane of Mechanus, modrons are partially mechanical beings that belong to a strict hierarchy. Each modron
Monsters
Planescape: Adventures in the Multiverse
", "rollAction":"Lightning Rays", "rollDamageType":"lightning"} lightning damage on a failed save, or half as much damage on a successful save.
Spellcasting. The decaton casts one of the following
only), protection from evil and goodThe least of the hierarchs, decatons monitor the physical well-being of base modrons. Two stubby legs support their spherical bodies, and ten mechanical tentacles
Monsters
Monstrous Compendium Vol. 2: Dragonlance Creatures
, taking 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Thunderscream Gadget", "rollDamageType":"thunder"} thunder damage on a failed save or half as much damage on a successful
Krynn. Within the mountain, a vibrant community of rock gnome tinkerers and other inventors relentlessly study various scientific pursuits to create mechanical marvels.
Monsters
Vecna: Eve of Ruin
);{"diceNotation":"1d8+5", "rollType":"damage", "rollAction":"Bolt Launcher", "rollDamageType":"piercing"} piercing damage.
Snare Trap (1/Day). The scout deploys a Tiny mechanical trap on a solid surface within
5 feet of itself. The trap is hidden, requiring a successful DC 17 Intelligence (Investigation) check to find. The trap lasts for 1 minute. Whenever an enemy enters a space within 10 feet of the trap
Equipment
This small mechanical device is a specialty of gnomish crafters. As a Utilize action, you can throw the Noisemaker into a space within 60 feet. When it lands, it makes a loud noise of some kind
within 60 feet of the device when it goes off must succeed in a DC 10 Wisdom saving throw. On a failed save, the creature has the Frightened condition for one minute. As an Influence action, another
Monsters
Misplaced Monsters: Volume One
);{"diceNotation":"8d10", "rollType":"damage", "rollAction":"Eye Beam", "rollDamageType":"force"} force damage on a failed save, or half as much damage on a successful one.
Created by Jake F.
Scrappers are tall
, broad-shouldered automatons usually found in scrap yards. Sparks erupt from the loose wires that protrude from their hulking frames. Their quasi-mechanical minds are shielded with lead, protecting
Monsters
Planescape: Adventures in the Multiverse
-foot cube originating from itself before dissipating. Each creature in that area must make a DC 16 Dexterity saving throw. On a failed save, a creature takes 33 (6d10);{"diceNotation":"6d10", "rollType
identified by their seven flexible limbs.
Modrons
Constructed on the plane of Mechanus, modrons are partially mechanical beings that belong to a strict hierarchy. Each modron dutifully obeys commands
Ice Devil
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Monsters
Basic Rules (2014)
);{"diceNotation":"10d6","rollType":"damage","rollDamageType":"cold"} cold damage on a failed save, or half as much damage on a successful one.
The wall lasts for 1 minute or until the devil is incapacitated
must make a DC 17 Constitution saving throw, taking 17 (5d6);{"diceNotation":"5d6","rollType":"damage","rollDamageType":"cold"} cold damage on a failed save, or half as much damage on a successful one
Monsters
Spelljammer: Adventures in Space
a failed save, or half as much damage on a successful one.
Unusual Nature. The autognome doesn’t require air, food, drink, or sleep.Multiattack. The autognome makes two Shock attacks.
Shock
":"damage","rollAction":"Shock","rollDamageType":"lightning"} lightning damage.An autognome is a mechanical gnome that resembles the rock gnome who created it, though it could never be mistaken for a gnome
Monsters
Keys from the Golden Vault
(spell save DC 14):
At will: nondetection (self only)
2/day: dimension door
1/day each: blindness/deafness, blurUsing magic and mechanical know-how, Tixie Tockworth has transformed most of herself into
":"damage", "rollAction":"Scalding Steam", "rollDamageType":"fire"} fire damage on a failed save, or half as much damage on a successful one.
Monsters
Mordenkainen Presents: Monsters of the Multiverse
make a DC 16 Dexterity saving throw, taking 18 (4d8);{"diceNotation":"4d8", "rollType":"damage", "rollAction":"Flame Jet", "rollDamageType":"fire"} fire damage on a failed save, or half as much
will: mage hand, minor illusion
1/day: stinking cloudDuergar despots replace parts of their bodies with mechanical devices that they control through their psionic abilities.
Duergar
Duergar are
Monsters
Ghosts of Saltmarsh
","rollAction":"Bite","rollDamageType":"piercing"} piercing damage, and the target must succeed on a DC 12 Constitution saving throw or be stunned until the end of its next turn. On a failed save, the target
begins to hallucinate and is afflicted with a short-term madness effect (determined randomly or by the DM; see “Madness” in chapter 8 of the Dungeon Master’s Guide). The effect lasts 10
Monsters
Mordenkainen Presents: Monsters of the Multiverse
nearest space out of the hellfire engine’s path. On a failed save, the creature falls prone and takes 28 (8d6);{"diceNotation":"8d6","rollType":"damage","rollAction":"Flesh","rollDamageType
(2d10);{"diceNotation":"2d10","rollType":"damage","rollDamageType":"fire"} fire damage plus 18 (4d8);{"diceNotation":"4d8","rollType":"damage","rollDamageType":"acid"} acid damage on a failed save, or
Monsters
Eberron: Rising from the Last War
","rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one.
The fog moves 10 feet away from the living spell at the start of each of its turns, rolling along the
ground and through openings. The fog lasts for 10 minutes or until the living spell’s concentration ends (as if concentrating on a spell).PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks
Incubus
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Monsters
Basic Rules (2014)
","rollType":"damage","rollAction":"Draining Kiss","rollDamageType":"psychic"} psychic damage on a failed save, or half as much damage on a successful one. The target's 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 point maximum to 0.
Etherealness. The fiend magically






