before base device check rolls

Manacles

Equipment

13 Dexterity (Sleight of Hand) check. While bound, a creature has Disadvantage on attack rolls, and the creature is Restrained if the Manacles are attached to a chain or hook that is fixed in place

. Escaping the Manacles requires a successful DC 20 Dexterity (Sleight of Hand) check as an action. Bursting them requires a successful DC 25 Strength (Athletics) check as an action. Each set of

Drider

Monsters Monster Manual

Spider Climb. The drider can climb difficult surfaces, including along ceilings, without needing to make an ability check. Sunlight Sensitivity. While in sunlight, the drider has Disadvantage on

ability checks and attack rolls. Web Walker. The drider ignores movement restrictions caused by webs, and the drider knows the location of any other creature in contact with the same web.Multiattack

Flesh Golem

Monsters Monster Manual

Aversion to Fire. If the golem takes Fire damage, it has Disadvantage on attack rolls and ability checks until the end of its next turn. Berserk. Whenever the golem starts its turn Bloodied, roll

within 60 feet of the berserk golem, can try to calm it by taking an action to make a DC 15 Charisma (Persuasion) check; the golem must be able to hear its creator. If this check succeeds, the golem ceases

Sphinx of Secrets

Monsters Monster Manual

":"Psychic"} Psychic damage, and the target is cursed with a riddle. The cursed target has Disadvantage on ability checks and attack rolls. In addition, if it takes the Magic action, it must succeed on a DC

15 Intelligence saving throw or that action is wasted. The cursed target can take a Study action to make a DC 15 Intelligence check, solving the riddle and ending the curse on a success. The curse ends

Darkmantle

Monsters Monster Manual

Advantage on its attack rolls. Its Speed becomes 0, it can’t benefit from any bonus to its Speed, and it moves with the target. A creature can take an action to try to detach the darkmantle

from itself, doing so with a successful DC 13 Strength (Athletics) check. On its turn, the darkmantle can detach itself by using 5 feet of movement. Darkness Aura (1/Day). Magical Darkness fills a 15

Vampire Spawn

Monsters Monster Manual

Spider Climb. The vampire can climb difficult surfaces, including along ceilings, without needing to make an ability check. Vampire Weakness. The vampire has these weaknesses: Forbiddance. The

in sunlight. While in sunlight, it has Disadvantage on attack rolls and ability checks.Multiattack. The vampire makes two Claw attacks and uses Bite. Claw. Melee Attack Roll: +6;{"diceNotation

Energy Bow

Magic Items Dungeon Master’s Guide

You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon, which has no string. Each time you pull your arm back in a firing motion, a magical arrow made of golden energy

condition for 1 minute. As an action, a creature Restrained by an arrow can make a DC 20 Strength (Athletics) check to try to break the restraint, ending the effect on itself on a successful check

Ancient Copper Dragon

Monsters Monster Manual

turn, the target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test

Adult Copper Dragon

Monsters Monster Manual

rolls 1d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test. Failure or

Control Water

Spells Player’s Handbook

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

takes 2d8 Bludgeoning damage. On a successful save, the creature takes half as much damage. A creature can swim away from the whirlpool only if it first takes an action to pull away and succeeds on a Strength (Athletics) check against your spell save DC.

Vampire

Monsters Monster Manual

regains 1 Hit Point after spending 1 hour there. Spider Climb. The vampire can climb difficult surfaces, including along ceilings, without needing to make an ability check. Vampire Weakness. The

Paralyzed condition until the weapon is removed. Sunlight. The vampire takes 20 Radiant damage if it starts its turn in sunlight. While in sunlight, it has Disadvantage on attack rolls and ability

Symbol

Spells Player’s Handbook

. The glyph is nearly imperceptible and requires a successful Wisdom (Perception) check against your spell save DC to notice. When you inscribe the glyph, you set its trigger and choose which effect the

Disadvantage on attack rolls and ability checks. Fear. Each target must succeed on a Wisdom saving throw or have the Frightened condition for 1 minute. While Frightened, the target must move at least 30

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

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

resembles a metal turtle shell with straps. It is designed to be worn on your back or flank, depending on your anatomy. Once wound, the mobility wonder transforms into a personal transport device and

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

Decaton Modron

Monsters Planescape: Adventures in the Multiverse

Axiomatic Mind. The decaton can’t be compelled to act in a manner contrary to its nature or its instructions. Combat Ready. The decaton has advantage on initiative rolls. Disintegration. If

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

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

Sahuagin Wave Shaper

Monsters Ghosts of Saltmarsh

Blood Frenzy. The wave shaper has advantage on melee attack rolls against any creature that doesn't have all its hit points. Limited Amphibiousness. The wave shaper can breathe air and water, but it

at least 50 feet square and 25 feet deep, causing a whirlpool to form in the center of the area. The whirlpool forms a vortex that is 5 feet wide at the base, up to 50 feet wide at the top, 25 feet

Hexton Modron

Monsters Planescape: Adventures in the Multiverse

Axiomatic Mind. The hexton can’t be compelled to act in a manner contrary to its nature or its instructions. Combat Ready. The hexton has advantage on initiative rolls. Disintegration. If the

spell. If the spell is 3rd level or lower, it fails and has no effect. If the spell is 4th level or higher, the hexton makes an Intelligence check (DC 10 + the spell’s level). On a success, the

Lucent Destroyer

Magic Items Bigby Presents: Glory of the Giants

This magic weapon is a triple-barreled bronze musket. You gain a +1 bonus to attack and damage rolls made with it. It requires no ammunition, its damage is radiant instead of piercing, and it doesn

’t have the loading property. The base of the weapon is emblazoned with the light rune. Additionally, while attuned to the weapon, you can cast dancing lights from the musket at will. Invoking

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

Hag of the Fetid Gaze

Monsters Candlekeep Mysteries

imitations with a successful DC 14 Wisdom (Insight) check. Shared Spellcasting. While all three members of the Fetid Gaze are within 30 feet of one another, they can each cast the following spells from

succeed on a DC 20 Intelligence (Investigation) check to discern that the hag is disguised. Invisible Passage. The hag magically turns invisible until she attacks or casts a spell, or until her

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.

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

Poltergeist Legacy

Monsters Monster Manual (2014)

":"Incorporeal Movement","rollDamageType":"force"} force damage if it ends its turn inside an object. Sunlight Sensitivity. While in sunlight, the poltergeist has disadvantage on attack rolls, as well as on

, the poltergeist makes a Charisma check contested by the target’s Strength check. If the poltergeist wins the contest, the poltergeist hurls the target up to 30 feet in any direction, including

Nonaton Modron

Monsters Planescape: Adventures in the Multiverse

Axiomatic Mind. The nonaton can’t be compelled to act in a manner contrary to its nature or its instructions. Combat Ready. The nonaton has advantage on initiative rolls. Disintegration. If

modrons are the lower-ranked base modrons—monodrone;monodrones, duodrone;duodrones, tridrone;tridrones, quadrone;quadrones, and pentadrone;pentadrones—the upper-tier hierarch modrons hold

Ettercap (variant) Legacy

Monsters Monster Manual (2014)

Spider Climb. The ettercap 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 ettercap knows the

grappled (escape DC 12). Until this grapple ends, the target can’t breathe, and the ettercap has advantage on attack rolls against it. Web (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge

Grappler Legacy

Feats Basic Rules (2014)

You’ve developed the skills necessary to hold your own in close-quarters grappling. You gain the following benefits: You have advantage on attack rolls against a creature you are grappling

. You can use your action to try to pin a creature grappled by you. To do so, make another grapple check. If you succeed, you and the creature are both restrained until the grapple ends.

Flesh Golem Legacy

Monsters Basic Rules (2014)

firmly and persuasively. The golem must be able to hear its creator, who must take an action to make a DC 15 Charisma (Persuasion) check. If the check succeeds, the golem ceases being berserk. If it

takes damage while still at 40 hit points or fewer, the golem might go berserk again. Aversion of Fire. If the golem takes fire damage, it has disadvantage on attack rolls and ability checks until the

Kuo-toa Legacy

Monsters Monster Manual (2014)

disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Bite. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Bite"} to hit, reach 5

can use its action to make a DC 10 Strength check to free itself or another creature in a net, ending the effect on a success. Dealing 5 slashing damage to the net (AC 10) frees the target without

Cloaker Legacy

Monsters Basic Rules (2014)

motionless without its underside exposed, it is indistinguishable from a dark leather cloak. Light Sensitivity. While in bright light, the cloaker has disadvantage on attack rolls and Wisdom

creature, including the target, can take its action to detach the cloaker by succeeding on a DC 16 Strength check. Tail. Melee Weapon Attack: +6;{"diceNotation":"1d20+6","rollType":"to hit","rollAction

Slithering Tracker Legacy

Monsters Volo's Guide to Monsters

Ambusher. In the first round of a combat, the slithering tracker has advantage on attack rolls against any creature it surprised. Damage Transfer. While grappling a creature, the slithering tracker

, unless an observer succeeds on a DC 18 Intelligence (Investigation) check. Keen Tracker. The slithering tracker has advantage on Wisdom checks to track prey. Liquid Form. The slithering tracker can

Bountiful Luck

Feats Xanathar's Guide to Everything

. Surely a sign of fortune’s favor! When an ally you can see within 30 feet of you rolls a 1 on the d20 for an attack roll, an ability check, or a saving throw, you can use your reaction to let the

Darkmantle Legacy

Monsters Basic Rules (2014)

darkmantle can attack no other creature except the target but has advantage on its attack rolls. The darkmantle’s speed also becomes 0, it can’t benefit from any bonus to its speed, and it

moves with the target. A creature can detach the darkmantle by making a successful DC 13 Strength check as an action. On its turn, the darkmantle can detach itself from the target by using 5 feet of

Drider Legacy

Monsters Basic Rules (2014)

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

Advantage Legacy

Rules

Sometimes a special ability or spell tells you that you have advantage or disadvantage on an ability check, a saving throw, or an attack roll. When that happens, you roll a second d20 when you make the roll. Use the higher of the two rolls if you have advantage.

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