back based defining check rules

Divine Word

Spells Player’s Handbook

effect based on its current Hit Points, as shown in the Divine Word Effects table. Regardless of its Hit Points, a Celestial, an Elemental, a Fey, or a Fiend target that fails its save is forced back to

Yochlol

Monsters Monster Manual

Advantage on saving throws against spells and other magical effects. Spider Climb. The yochlol can climb difficult surfaces, including along ceilings, without needing to make an ability check. Web

-Shift. The yochlol shape-shifting;shape-shifts into a Medium Humanoid or a Medium spider or back into its true form. Its game statistics are the same in each form. Any equipment it is wearing or carrying isn’t transformed.

Programmed Illusion

Spells Player’s Handbook

can be activated again. The trigger can be as general or as detailed as you like, though it must be based on visual or audible phenomena that occur within 30 feet of the area. For example, you could

creature that takes the Study action to examine the image can determine that it is an illusion with a successful Intelligence (Investigation) check against your spell save DC. If a creature discerns the

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

Planar Ally

Spells Player’s Handbook

adjust these payments based on the circumstances under which you cast the spell. If the task is aligned with the creature’s ethos, the payment might be halved or even waived. Nonhazardous tasks

task, or when the agreed-upon duration of service expires, the creature returns to its home plane after reporting back to you if possible. If you are unable to agree on a price for the creature’s service, the creature immediately returns to its home plane.

Control Water

Spells Player’s Handbook

directions. The water in the area moves as you direct it, but once it moves beyond the spell’s area, it resumes its flow based on the terrain. The water continues to move in the direction you

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.

Apparatus of Kwalish

Magic Items Dungeon Master’s Guide

This item first appears to be a sealed iron barrel weighing 500 pounds. The barrel has a hidden catch, which can be found with a successful DC 20 Intelligence (Investigation) check. Releasing the

the apparatus’s levers up or down. After each use, a lever goes back to its neutral position. Each lever, from left to right, functions as shown in the Apparatus of Kwalish Levers table

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

cast that spell again from it until the next dawn. Vile Lore. You can reference the Book of Vile Darkness whenever you make an Intelligence check to recall information about some aspect of evil, such as

lore about demons. When you do so, you have Advantage on that check. At the DM’s discretion, the book might reveal secrets no mortal should know, such as the true names of powerful Fiends

Jacko

Monsters Heroes of the Borderlands

Jacko’s appearance can make a DC 13 Intelligence (Investigation) check, discerning his disguise on a successful check.Multiattack. Jacko makes two Poison Dagger attacks. Poison Dagger. Melee or

customers parrot his cheesy slogan: “Jacko always has your back-o.”Cunning Action. Jacko takes the Dash, Disengage, or Hide action.

Aranea

Monsters Forgotten Realms: Adventures in Faerûn

Spider Climb (Hybrid or Spider Form Only). The aranea can climb difficult surfaces, including along ceilings, without needing to make an ability check. Web Walker. The aranea ignores movement

humanoid-spider hybrid form, or back into its true spider form. Its game statistics are the same in each form, except where noted. Any equipment it is wearing or carrying isn’t transformed.

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

Wereraven

Monsters Curse of Strahd

successful DC 10 Wisdom (Insight) check. Regeneration. The wereraven regains 10 hit points at the start of its turn. If the wereraven takes damage from a silvered weapon or a spell, this trait

wereraven polymorphs into a raven–humanoid hybrid or into a raven, or back into its humanoid form. Its statistics, other than its size and speed, are the same in each form. Any equipment it is wearing

Leprechaun

Monsters Quests from the Infinite Staircase

, Phantasmal Force 1/day each: Fabricate (as an action), MisleadAstonishing Luck. When the leprechaun fails an ability check, an attack roll, or a saving throw, it can roll a new d20 and choose which

roll to use, potentially turning the failure into a success.Leprechauns are manifestations of the Feywild rules of hospitality and reciprocity. These rules infuse leprechauns with a deep connection to

Divine Word Legacy

Spells Basic Rules (2014)

Charisma saving throw. On a failed save, a creature suffers an effect based on its current hit points: 50 hit points or fewer: deafened for 1 minute 40 hit points or fewer: deafened and blinded for 10

fiend that fails its save is forced back to its plane of origin (if it isn't there already) and can't return to your current plane for 24 hours by any means short of a wish spell.

Gray Dwarf (Duergar) Legacy

Species Sword Coast Adventurer's Guide

artistic value. Few duergar become adventurers, fewer still on the surface world, because they are a hidebound and suspicious race. Those who leave their subterranean cities are usually exiles. Check

obliterated by Moradin’s betrayal. The duergar lead bleak, grim lives devoid of happiness or satisfaction, but they see that as their defining strength — the root of duergar pride, as it were — rather than a drawback to be corrected.

Deathless Rider

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

Queen, who rules from a castle called Dynnistan. It isn’t known whether these legends are based on any true experience or are simply the result of imagination trying to account for a terrifying and

Gnoll Witherling

Monsters Mordenkainen Presents: Monsters of the Multiverse

against each other, perhaps to determine who rules a war band or because of extreme starvation. Even under ordinary circumstances, gnolls that are deprived of victims for too long struggle to control

the remains back to a semblance of life in the form of a gnoll witherling. Witherlings travel with their comrades and try to kill anything in their path. They don’t eat and aren’t motivated

Fraternity of Order Law Bender

Monsters Planescape: Adventures in the Multiverse

armor, mage hand, prestidigitationProbability Loophole (3/Day). When the law bender or a creature it can see makes an attack roll, a saving throw, or an ability check, the law bender can cause the roll

to be made with advantage or disadvantage.Members of the Fraternity of Order find and exploit loopholes in the laws of the multiverse. Law benders are magistrates who skirt the rules of probability

Cultist (Knights of the Black Sword)

Monsters Icewind Dale: Rime of the Frostmaiden

Levistus, the archdevil who rules Stygia, the sixth layer of the Nine Hells, from the confines of an ice prison from which he cannot escape. Most of the cultists are Icewind Dale natives who would

-shaped amulet of chardalyn. Each of these amulets has an inner radiance that provides warmth and aid, protecting its wearer against the cold while guiding them safely back to civilization. Once its

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

. Weakening Breath. The dragon exhales gas in a 60-foot cone. Each creature in that area must succeed on a DC 21 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength checks

polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed

Gelatinous Cube (Giant Ooze variant)

Monsters Waterdeep: Dungeon of the Mad Mage

check, and the creature making the attempt takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType":"acid"} acid damage. The cube can hold up to nine Large creatures or up to thirty-six

Medium or smaller creatures inside it at a time. When the cube shrinks back to normal size, any creatures that it can no longer contain are expelled into unoccupied spaces around it. Transparent. Even

Gelatinous Cube Legacy

Monsters Basic Rules (2014)

check, and the creature making the attempt takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType":"acid"} acid damage. The cube can hold only one Large creature or up to four Medium

or smaller creatures inside it at a time. Transparent. Even when the cube is in plain sight, it takes a successful DC 15 Wisdom (Perception) check to spot a cube that has neither moved nor attacked

Folk Hero Legacy

Backgrounds Basic Rules (2014)

) Equipment: A set of artisan’s tools (one of your choice), a shovel, an iron pot, a set of common clothes, and a pouch containing 10 gp Defining Event You previously pursued a simple

randomly determine a defining event that marked you as a hero of the people. d10 Defining Event 1 I stood up to a tyrant’s agents. 2 I saved people during a natural

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

one. Weakening Breath. The dragon exhales gas in a 90-foot cone. Each creature in that area must succeed on a DC 24 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength

polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is

Zindar

Monsters Tomb of Annihilation

7th level (1 slot): fire storm Dragon Wings. As a bonus action on his turn, Zindar can sprout a pair of dragon wings from his back, gaining a flying speed of 30 feet until he dismisses them as a

must succeed on a DC 15 Strength saving throw or have disadvantage on Strength based attack rolls, Strength checks, and Strength saving throws for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.Fire

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

poisoned in this way.A phase spider possesses the magical ability to phase in and out of the Ethereal Plane. It seems to appear out of nowhere and quickly vanishes after attacking. Its movement on the Ethereal Plane before coming back to the Material Plane makes it seem like it can teleport.

Duergar Alchemist

Monsters Out of the Abyss

, along with anything it is wearing or carrying. While enlarged, the duergar is Large, doubles its damage dice on Strength-based weapon attacks (included in the attacks), and makes Strength checks and

DC 10 Dexterity check to extinguish the flames. Invisibility (Recharges after a Short or Long Rest). The duergar magically turns invisible until it attacks, casts a spell, or uses its Enlarge, or

Cult Fanatic (Knights of the Black Sword)

Monsters Icewind Dale: Rime of the Frostmaiden

","rollDamageType":"piercing"} piercing damage.The Knights of the Black Sword are a secret society of cultists devoted to Levistus, the archdevil who rules Stygia, the sixth layer of the Nine Hells, from the

warmth and aid, protecting its wearer against the cold while guiding them safely back to civilization. Once its wearer reaches Ten-Towns, the talisman loses its inner radiance, yet the cultists keep their

Returned Sentry

Monsters Mythic Odysseys of Theros

work well together, sharing the unified goals of overcoming their foes and getting back to the task at hand. Returned have escaped the Underworld and dwell among the living once more, but their

. Returned Masks. Adventurers who defeat Returned foes might marvel at their fortune in claiming such rich spoils after a battle. The mask of a Returned is worth approximately 100 gp, based on its

Cursed Luckstone

Magic Items Ghosts of Saltmarsh

This flat, gray-and-black river stone is inscribed with an unknown arcane symbol and feels cool to the touch. While carrying the stone, you can gain advantage on one ability check of your choice. The

remain cursed, you cannot discard the stone, which immediately teleports back into your pocket or pack. After you use the stone’s magic, your next two ability checks are made with disadvantage.

Glabbagool

Monsters Out of the Abyss

check, and the creature making the attempt takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType":"acid"} acid damage. The cube can hold only one Large creature or up to four Medium or

smaller creatures inside it at a time. Transparent. Even when the cube is in plain sight, it takes a successful DC 15 Wisdom (Perception) check to spot a cube that has neither moved nor attacked. A

Project Image Legacy

Spells Basic Rules (2014)

, you can switch from using its senses to using your own, or back again. While you are using its senses, you are blinded and deafened in regard to your own surroundings. Physical interaction with the

(Investigation) check against your spell save DC. If a creature discerns the illusion for what it is, the creature can see through the image, and any noise it makes sounds hollow to the creature.

Programmed Illusion Legacy

Spells Basic Rules (2014)

illusion can be activated again. The triggering condition can be as general or as detailed as you like, though it must be based on visual or audible conditions that occur within 30 feet of the area

illusion with a successful Intelligence (Investigation) check against your spell save DC. If a creature discerns the illusion for what it is, the creature can see through the image, and any noise it makes sounds hollow to the creature.

Ki-rin Legacy

Monsters Volo's Guide to Monsters

regains spent legendary actions at the start of its turn. Detect. The ki-rin makes a Wisdom (Perception) check or a Wisdom (Insight) check. Smite. The ki-rin makes a hoof attack or casts sacred flame

times per day, using each of the following versions of the power once. One version permanently creates enough objects made of soft, plant-based material — including manufactured objects such as cloth

Kakkuu Spyder-Fiend

Monsters Vecna: Eve of Ruin

, without needing to make an ability check. Web Sense. When in contact with a web, the kakkuu knows the exact location of any other creature in contact with the same web. Web Walker. The kakkuu ignores

is their favorite pursuit. They spin durable webs and are ingenious in how they employ their webs against prey. Spyder-fiends are organized into a hierarchy based on might and cunning, with higher

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