before becoming device check reduces

Phase Spider

Monsters Monster Manual

, without needing to make an ability check. Web Walker. The spider ignores movement restrictions caused by webs, and the spider knows the location of any other creature in contact with the same

. If this damage reduces the target to 0 Hit Points, the target becomes Stable, and it has the Poisoned condition for 1 hour. While Poisoned, the target also has the Paralyzed condition.Ethereal Jaunt. The spider teleports from the Material Plane to the Ethereal Plane or vice versa.

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

check it makes with a Musical Instrument or Tinker's Tools. Sprint. The wonder takes the Dash action. Gyrocopter Wonder (Rare). This wagon-sized vehicle is made of brassy metal and has a spiral-shaped

Gnome Ceremorph

Monsters Icewind Dale: Rime of the Frostmaiden

ceremorph. Hit: 55 (10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the

while becoming able to speak Deep Speech and Undercommon. It retains fragmented memories of its previous life and previous alignment, not to mention a propensity for invention. Laser Pistol. A gnome

Mimir

Magic Items Planescape: Adventures in the Multiverse

successful unarmed strike against AC 22 or a successful DC 22 Dexterity (Acrobatics) check. You can use a bonus action to seize and stow the device. The device has AC 22, 25 hit points, immunity to

This skull-shaped device is filled with knowledge. The device weighs 5 pounds and is covered with subtle etchings of planar sigils. As a bonus action, you can toss the device into the air, whereupon

Chronolometer

Magic Items Acquisitions Incorporated

While attuned to this device, you have a +1 bonus to Intelligence saving throws. The first time you attune to the chronolometer, you choose one language you don’t know. You subsequently know

that language while attuned to the device. Time Bandit. At the start of your turn, roll a d6 (no action required). On a 1–3, you slow down time, gaining an additional action on your turn and

Noisemaker

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

Phase Spider Legacy

Monsters Basic Rules (2014)

upside down on ceilings, without needing to make an ability check. Web Walker. The spider ignores movement restrictions caused by webbing.Bite. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType

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

Giant Spider Legacy

Monsters Basic Rules (2014)

Spider Climb. The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact

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 poisoned

Firenewt Warlock of Imix

Monsters Mordenkainen Presents: Monsters of the Multiverse

Amphibious. The firenewt can breathe air and water. Devil’s Sight. Magical darkness doesn’t impede the firenewt’s darkvision. Imix’s Blessing. When the firenewt reduces an

, firenewts can be found on the Material Plane near hot springs and volcanoes. These amphibians need hot water to live, becoming sluggish after spending a week away from a source of moist heat. Firenewts

Giant Wolf Spider Legacy

Monsters Basic Rules (2014)

Spider Climb. The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact

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 poisoned in

Horizon Puzzle Cube

Magic Items Bigby Presents: Glory of the Giants

work and a successful DC 25 Intelligence (Investigation) check. When the cube is solved, a 30-foot-diameter portal appears before the creature who solved the cube, leading to the northeastern platform

Horizon’s Edge, but a device somewhere in the demiplane allows a cube to function in reverse while the cube is fitted into it.

Spider King

Monsters Out of the Abyss

Spider Climb. The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact

half 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

Ice Spider

Monsters Storm King's Thunder

Spider Climb. The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact

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 poisoned

Wheel of Stars

Magic Items Acquisitions Incorporated

While attuned to this device, you have a +1 bonus to Wisdom saving throws, and you can use an action to cast the dancing lights, guidance, or message cantrips. Portent of the Stars. As a reaction

when a creature you can see within 60 feet of you makes an attack roll, saving throw, or ability check, you make that creature roll a d10 and add or subtract the number rolled (your choice) from the

Ice Spider Queen

Monsters Storm King's Thunder

Spider Climb. The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact

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 poisoned in this

Fiendish Giant Spider

Monsters Out of the Abyss

Spider Climb. The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact

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 poisoned

Leucrotta Legacy

Monsters Volo's Guide to Monsters

. Mimicry. The leucrotta can mimic animal sounds and humanoid voices. A creature that hears the sounds can tell they are imitations with a successful DC 14 Wisdom (Insight) check. Rampage. When the

leucrotta reduces a creature to 0 hit points with a melee attack on its turn, it can take a bonus action to move up to half its speed and make an attack with its hooves.Multiattack. The leucrotta makes

Blue Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

remove the gem from an incapacitated slaad. Each try requires 1 minute of uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10

reduces the target's hit point maximum to 0, the target instantly transforms into a red slaad or, if it has the ability to cast spells of 3rd level or higher, a green slaad. Only a wish spell can reverse

Intelligent Black Pudding

Monsters Waterdeep: Dungeon of the Mad Mage

upside down on ceilings, without needing to make an ability check. Innate Spellcasting. The pudding's spellcasting ability is Intelligence (spell save DC 12, +4;{"diceNotation":"1d20+4","rollType":"to hit

reduces its AC to 10.Split. When a pudding that is Medium or larger is subjected to lightning or slashing damage, it splits into two new puddings if it has at least 10 hit points. Each new pudding has hit

Reduced-threat Black Pudding

Monsters Tales from the Yawning Portal

upside down on ceilings, without needing to make an ability check. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Pseudopod. Melee Weapon Attack: +3;{"diceNotation

dissolved and takes a permanent and cumulative −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10.Split. When a pudding that is Medium or larger is subjected

Regenerating Black Pudding

Monsters Out of the Abyss

upside down on ceilings, without needing to make an ability check. Regeneration. The pudding regains 10 hit points at the start of its turn. If the pudding takes fire damage, this trait doesn't function at

permanent and cumulative −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10.Split. When a pudding that is Medium or larger is subjected to lightning or slashing

Mizzium Apparatus

Magic Items Guildmasters’ Guide to Ravnica

Innovation is a dangerous pursuit, at least the way the mages of the Izzet League engage in it. As protection against the risk of an experiment going awry, they have developed a device to help

slot to cast the spell as normal, but before resolving it you must make an Intelligence (Arcana) check. The DC is 10 + twice the level of the spell slot you expend to cast the spell. On a successful

Mind Flayer Lich (Illithilich) Legacy

Monsters Volo's Guide to Monsters

":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting. The lich is an 18th

(10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the lich kills the

Living Loot Satchel

Magic Items Acquisitions Incorporated

transfer any amount of your franchise funds back to your satchel with a successful DC 15 Dexterity (Sleight of Hand) check. Secret Satchel As a rank 3 hoardsperson, your living loot satchel gets an

upgrade to function as the replica chest used for the Leomund's secret chest spell, becoming a rare magic item. You can open the secret chest through your living loot satchel to deposit or withdraw items

Vampire Spawn Legacy

Monsters Basic Rules (2014)

ability check. Vampire Weaknesses. The vampire has the following flaws: Forbiddance. The vampire can't enter a residence without an invitation from one of the occupants. Harmed by Running Water. The

hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.A Vampire’s Lair A vampire chooses a

Drow Arachnomancer Legacy

Monsters Mordenkainen’s Tome of Foes

. The drow can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Sunlight Sensitivity. While in sunlight, the drow has disadvantage on attack rolls

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 poisoned

Drow Arachnomancer

Monsters Mordenkainen Presents: Monsters of the Multiverse

on ceilings, without needing to make an ability check. Sunlight Sensitivity. While in sunlight, the drow has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight

":"7d8", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. If the poison damage reduces the target to 0 hit

Baba Lysaga's Creeping Hut

Monsters Curse of Strahd

contained in a cavity in the stump, beneath the rotted floorboards of the hut. The floorboards can be ripped up with a successful DC 14 Strength check or smashed by dealing 10 damage to them. Once the

floorboards are out of the way, a creature can reach into the cavity and snatch the gem. But if someone attempts this while the hut is alive, the cavity sprouts wooden teeth, becoming a mouth that bites

Gem Stalker

Monsters Fizban's Treasury of Dragons

Spider Climb. The gem stalker can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Unusual Nature. The gem stalker doesn’t require food or

of it is about to take damage, the gem stalker reduces that damage by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Protective Link"}. The gem stalker then takes damage equal to

Miska the Wolf-Spider

Monsters Vecna: Eve of Ruin

Climb. Miska can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Web Sense. When in contact with a web, Miska knows the exact location of any other

the planes and becoming known as the Rod of Seven Parts. The rod is the key to releasing Miska from his long imprisonment.Poison; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksCold, Fire

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

":"necrotic"} necrotic damage, and if this damage reduces the target to 0 hit points, its soul is trapped as if it failed the saving throw. A soul trapped in a gem for 24 hours is devoured and ceases to

souls of the insolent intruders to his tomb, magically transferring them to his phylactery. Liches who follow Acererak’s path believe that by becoming free of their bodies, they can continue

Beholder Legacy

Monsters Monster Manual (2014)

or take 45 (10d8);{"diceNotation":"10d8","rollType":"damage","rollAction":"Disintegration Ray","rollDamageType":"force"} force damage. If this damage reduces the creature to 0 hit points, its body

":"10d10","rollType":"damage","rollAction":"Death Ray","rollDamageType":"necrotic"} necrotic damage. The target dies if the ray reduces it to 0 hit points. The beholder can take 3 legendary actions

Mummy Lord Legacy

Monsters Basic Rules (2014)

, regaining all its hit points and becoming active again. The new body appears within 5 feet of the mummy lord's heart. Spellcasting. The mummy lord is a 10th-level spellcaster. Its spellcasting ability

, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target's hit point maximum

Death Tyrant Legacy

Monsters Monster Manual (2014)

succeed on a DC 17 Dexterity saving throw or take 45 (10d8);{"diceNotation":"10d8","rollAction":"Disintegration Ray","rollType":"damage","rollDamageType":"force"} force damage. If this damage reduces the

take 55 (10d10);{"diceNotation":"10d10","rollAction":"Death Ray","rollType":"damage","rollDamageType":"necrotic"} necrotic damage. The target dies if the ray reduces it to 0 hit points. The death

Leather Golem Armor

Magic Items Lost Laboratory of Kwalish

resistance to lightning damage. Whenever you take lightning damage, you gain 5 temporary hit points. Curse. This armor is cursed, and becoming attuned to it extends the curse to you. Until

able to calm you with appropriate magic (such as a calm emotions spell) or a successful DC 15 Charisma (Persuasion) check.

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