based book diffusing check rolling

Amulet of the Planes

Magic Items Dungeon Master’s Guide

check, you cast Plane Shift. On a failed check, you and each creature and object within 15 feet of you travel to a random destination determined by rolling 1d100 and consulting the following table

While wearing this amulet, you can take a Magic action to name a location that you are familiar with on another plane of existence. Then make a DC 15 Intelligence (Arcana) check. On a successful

Flesh Golem

Monsters Monster Manual

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

being berserk until the start of its next turn, at which point it resumes rolling for the Berserk trait again if it is still Bloodied. Immutable Form. The golem can’t shape-shift. Lightning

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

Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

) check related to the Abyss. When you do so, you gain Advantage on the check. Containment. The first ten pages of the Demonomicon are blank. As a Magic action while holding the book, you can target a

. The tome recounts both the oldest and most current profanities of the Abyss and demons. Demons have attempted to censor the text, and while sections have been ripped from the book’s spine, the

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

Hat of Many Spells

Magic Items Dungeon Master’s Guide

slot of the spell’s level. Then, to determine whether you cast the spell, make an Intelligence (Arcana) check (DC 10 plus the spell’s level). On a successful check, you cast the spell using

its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead

Symbol

Spells Player’s Handbook

You inscribe a harmful glyph either on a surface (such as a section of floor or wall) or within an object that can be closed (such as a book or chest). The glyph can cover an area no larger than 10

. 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

Deck of Illusions

Magic Items Dungeon Master’s Guide

illusion of a creature, determined by rolling on the Deck of Illusions table, forms over the thrown card and remains until dispelled. The illusory creature created by the card looks and behaves like a

identifies it as an illusion with a successful DC 15 Intelligence (Investigation) check. The illusion lasts until its card is moved or the illusion is dispelled (using a Dispel Magic spell or a similar

Glyph of Warding

Spells Player’s Handbook

You inscribe a glyph that later unleashes a magical effect. You inscribe it either on a surface (such as a table or a section of floor) or within an object that can be closed (such as a book or chest

spell ends without being triggered. 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

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.

Animated Chained Library

Monsters Candlekeep Mysteries

succeed on a DC 15 Wisdom (Perception) check to discern that the library is animate.Multiattack. The library makes two attacks. Chained Book. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType

":"to hit","rollAction":"Chained Book"} to hit, reach 5 ft., one target. Hit: 6 (1d8 + 2);{"diceNotation":"1d8+2","rollType":"damage","rollAction":"Chained Book","rollDamageType":"bludgeoning

Swarm of Animated Books

Monsters Candlekeep Mysteries

succeed on a DC 15 Wisdom (Perception) check to discern that the swarm is animate. Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening

","rollType":"to hit","rollAction":"Book Club"} to hit, reach 0 ft., one target in the swarm’s space. Hit: 6 (2d4 + 1);{"diceNotation":"2d4+1","rollType":"damage","rollAction":"Book Club","rollDamageType

Crog's Guide to Disarming Magic Traps

Equipment

This book describes various mundane techniques and theories related to foiling magic traps. If you spend 48 hours studying this book, you learn how to overcome certain types of magic traps with your

thieves’ tools. If a trap’s magic can be dispelled or suppressed by a dispel magic spell, you can make a Dexterity check using thieves’ tools to achieve the same result. The DC of

Book of Vile Darkness Legacy

Magic Items Dungeon Master’s Guide (2014)

can’t use this property again until the next dawn. Dark 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, double your proficiency bonus on that check. Dark Speech. While you carry the Book of Vile Darkness and are attuned to it, you can use an action to recite

Spirit Statue Mascot

Monsters Strixhaven: A Curriculum of Chaos

":"roll","rollAction":"Counsel of the Past"} and add the number rolled to one ability check of its choice, immediately after rolling the d20.To enhance their studies of the past, Lorehold students often

Duplicitous Manuscript

Magic Items Tasha’s Cauldron of Everything

book. The new spell must be of the illusion school. When a creature you can see makes an Intelligence (Investigation) check to discern the true nature of an illusion spell you cast, or makes a saving

To you, this book is a magical spellbook. To anyone else, the book appears to be a volume of verbose romance fiction. As an action, you can change the book’s appearance and alter the plot of

Book of Vile Darkness (Variant)

Magic Items Keys from the Golden Vault

property again until the next dawn. Dark 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, double your proficiency bonus on that check. Dark Speech. While you carry the Book of Vile Darkness and are attuned to it, you can use an action to recite words from its pages in a

Demonomicon of Iggwilv Legacy

Magic Items Tasha’s Cauldron of Everything

do so, you can add double your proficiency bonus to the check. Fiendish Scourging. Your magic causes pain to fiends. While carrying the book, when you make a damage roll for a spell you cast against

a fiend, you use the maximum possible result instead of rolling. Ensnarement. While carrying the book, whenever you cast the magic circle spell naming only fiends, or the planar binding spell

Battle Master's Compendium

Equipment

Written by Bloodlord Varrox, Battle Master’s Compendium is a military treatise. Each of its thirteen chapters covers a different skill related to military strategy and tactics. The book’s

detailed analysis covers military units, weapons, strategy, rank, discipline, and much more. When you study a chapter in the book for 1 hour during a short or long rest, you learn interesting

Cradle of the Hill Scion

Monsters Bigby Presents: Glory of the Giants

by dealing 15 or more slashing damage to it on one attack. Cutting the root doesn’t hurt the cradle but ends the grapple. Rolling Hills (Recharge 6);{"diceNotation":"1d6", "rollType":"recharge

", "rollAction":"Rolling Hills"}. The cradle magically creates a wave of dirt that extends from a point on the ground within 120 feet of itself. The wave is up to 30 feet long, up to 30 feet tall, and

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

Scroll of Protection Legacy

Magic Items Dungeon Master’s Guide (2014)

Each scroll of protection works against a specific type of creature chosen by the DM or determined randomly by rolling on the following table. d100 Creature Type 01-10

. A creature can attempt to overcome the barrier by using an action to make a DC 15 Charisma check. On a success, the creature ceases to be affected by the barrier.

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.

Professor Orb

Magic Items Waterdeep: Dungeon of the Mad Mage

. The orb is sentient and has the personality of a scholar. Its alignment is determined by rolling on the alignment table in the “Sentient Magic Items” section in the Dungeon Master’s

Guide. Regardless of its alignment, the orb has an Intelligence of 18, and Wisdom and Charisma scores determined by rolling 3d6 for each ability. The orb speaks, reads, and understands four languages

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

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

spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats

Otiluke's Freezing Sphere Legacy

Spells Player’s Handbook (2014)

including water-based creatures), it freezes the liquid to a depth of 6 inches over an area 30 feet square. This ice lasts for 1 minute. Creatures that were swimming on the surface of frozen water

are trapped in the ice. A trapped creature can use an action to make a Strength check against your spell save DC to break free. You can refrain from firing the globe after completing the spell, if you

Freezing Sphere Legacy

Spells Basic Rules (2014)

including water-based creatures), it freezes the liquid to a depth of 6 inches over an area 30 feet square. This ice lasts for 1 minute. Creatures that were swimming on the surface of frozen water

are trapped in the ice. A trapped creature can use an action to make a Strength check against your spell save DC to break free. You can refrain from firing the globe after completing the spell, if you

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

regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon

Vecna the Archlich

Monsters Vecna: Eve of Ruin

has no effect. If the spell is 5th level or higher, Vecna makes an Intelligence check (DC 10 plus the spell’s level). On a successful check, the spell fails and has no effect. Whatever the spell

and dream as he started to write his Book of Vile Darkness. Vecna forged a kingdom on Oerth, but he grew bored with it after several centuries. He started inflicting suffering on other worlds. In

Occultant Abacus

Magic Items Acquisitions Incorporated

an action, make a DC 15 Intelligence (Religion) check. On a success, you learn the relevant information based on the nature of the creature and its place in the world. If you fail the check, this

someone in your franchise within the last 24 hours, then grant the character who slew it a d10. Once within the next hour, that character can add the d10 to an attack roll, ability check, or saving

Avarice

Monsters Icewind Dale: Rime of the Frostmaiden

around their necks. These self-styled Knights of the Black Sword offered her sanctuary in the keep of Caer-Dineval, where they are based. Although she doesn’t trust the cultists, they treat her

. The book contains the spells Avarice has prepared plus the following additional spells: burning hands, cone of cold, find familiar, ice storm, lightning bolt, rope trick, thunderwave, tongues, wall of fire, and wall of force.Cold, Fire

Mizzium Apparatus

Magic Items Guildmasters’ Guide to Ravnica

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

check, you cast the spell as normal, using your spell save DC and spellcasting ability modifier. On a failed check, you cast a different spell from the one you intended. Randomly determine the spell

Teleport Legacy

Spells Basic Rules (2014)

a permanent teleportation circle whose sigil sequence you know. "Associated object" means that you possess an object taken from the desired destination within the last six months, such as a book from

determines the direction off target randomly by rolling a d8 and designating 1 as north, 2 as northeast, 3 as east, and so on around the points of the compass. If you were teleporting to a coastal city

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