begins book diffusing check returns

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

Vampire

Monsters Monster Manual

, and it must reach its resting place within 2 hours or be destroyed. Once in its resting place, it returns to its vampire form and has the Paralyzed condition until it regains any Hit Points, and it

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

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

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

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

Book of Vile Darkness (Variant)

Magic Items Keys from the Golden Vault

banished using magic such as the dispel evil and good spell. The banished spirit returns to the book. Adjusted Ability Scores. After you spend the requisite amount of time reading and studying the book

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

Basilisk (Young)

Monsters Out of the Abyss

the basilisk isn't incapacitated. On a failed save, the creature magically begins to turn to stone and is restrained. It must repeat the saving throw at the end of its next turn. On a success, the

porous stone. With its strong jaws, the creature consumes this stone, which returns to organic form in its gullet.

Basilisk Legacy

Monsters Basic Rules (2014)

the basilisk isn't incapacitated. On a failed save, the creature magically begins to turn to stone and is restrained. It must repeat the saving throw at the end of its next turn. On a success, the

into porous stone. With its strong jaws, the creature consumes this stone, which returns to organic form in its gullet.

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

Assassin Vine

Monsters Tomb of Annihilation

-foot square within 30 feet of it. These plants turn the ground in that area into difficult terrain. A creature in that area when the effect begins must succeed on a DC 13 Strength saving throw or be

restrained by entangling vines and roots. A creature restrained by the plants can use its action to make a DC 13 Strength (Athletics) check, freeing itself on a successful check. The effect ends after 1 minute or when the assassin vine dies or uses Entangling Vines again.Cold, Fire

Reduced-threat Basilisk

Monsters Tales from the Yawning Portal

the basilisk isn't incapacitated. On a failed save, the creature magically begins to turn to stone and is restrained. It must repeat the saving throw at the end of its next turn. On a success, the

basilisk is a multilegged, reptilian horror whose deadly gaze transforms victims into porous stone. With its strong jaws, the creature consumes this stone, which returns to organic form in its gullet.

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

Athar Null

Monsters Planescape: Adventures in the Multiverse

);{"diceNotation":"3d8", "rollType":"damage", "rollAction":"Force Dagger", "rollDamageType":"force"} force damage. Hit or Miss: The dagger magically returns to the null’s hand immediately after a

effect. If the spell is 4th level or higher, the null makes an Intelligence check (DC 10 + the spell’s level). On a successful check, the spell fails and has no effect.The Athar deny the legitimacy

Jammer Leech

Monsters Spelljammer: Adventures in Space

":"force"} force damage and be stunned until the end of its next turn.A jammer leech is a barnacle-like creature that begins life as a space-dwelling spore that attaches to the hull of a spelljamming ship

, with the leech inside in larval form. A spore that remains attached to a ship for a few days punctures the hull and begins to develop a hard shell that roughly matches the color of the hull. The

Barkburr

Monsters Quests from the Infinite Staircase

must succeed on a DC 18 Intelligence (Investigation) check to discern that the barkburr is animate. Springing Leap. With or without a running start, the barkburr’s high jump is up to 15 feet

damage, and the barkburr attaches to the target. While the barkburr is attached, it can’t make Poison Barb attacks, and the target has the restrained condition as its body begins to transform into

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

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 general

Dragonbone Golem

Monsters Fizban's Treasury of Dragons

turn with a successful DC 17 Strength (Athletics) check. Rend. Melee Weapon Attack: +9;{"diceNotation":"1d20+9", "rollType":"to hit", "rollAction":"Rend"} to hit, reach 5 ft., one target. Hit: 12 (2d6

", "rollDamageType":"poison"} poison damage and be restrained as it begins to turn to stone. The restrained target must repeat the saving throw at the end of its next turn. On a successful save, the effect

Spirit Statue Mascot

Monsters Strixhaven: A Curriculum of Chaos

Death Burst. When the spirit statue is reduced to 0 hit points, the statue crumbles, and the spirit returns to the afterlife in a burst of ghostly white flame. Each creature within 5 feet of it must

":"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

Encephalon Gemmule

Monsters Phandelver and Below: The Shattered Obelisk

encephalon cluster in a matter of days, at which point it begins producing its own gemmules. Encephalons When an illithid colony lays its eggs dangerously close to a Far Realm rift, an egg sac has a

’t use Leech again until it detaches. It can detach itself by spending 5 feet of its movement. As an action, the target or a creature within 5 feet of the target can detach the gemmule by succeeding on a DC 15 Strength check.

Portable Hole Legacy

Magic Items Basic Rules (2014)

hole is folded up, a creature within the hole’s extradimensional space can use an action to make a DC 10 Strength check. On a successful check, the creature forces its way out and appears within 5

feet of the portable hole or the creature carrying it. A breathing creature within a closed portable hole can survive for up to 10 minutes, after which time it begins to suffocate. Placing a

Stone Cursed

Monsters Mordenkainen Presents: Monsters of the Multiverse

advantage on its initiative roll. Moreover, if a creature hasn’t observed the stone cursed move or act, that creature must succeed on a DC 18 Intelligence (Investigation) check to discern that

"} slashing damage. If the target is a creature, it must succeed on a DC 12 Constitution saving throw, or it begins to turn to stone and is restrained until the end of its next turn, when it must

Infernal Calling

Spells Xanathar's Guide to Everything

, you must make a Charisma (Deception, Intimidation, or Persuasion) check contested by its Wisdom (Insight) check. You make the check with advantage if you say the devil’s true name. If your check

fails, the devil becomes immune to your verbal commands for the duration of the spell, though it can still carry out your commands if it chooses. If your check succeeds, the devil carries out your

Adult Blue Dragon Legacy

Monsters Basic Rules (2014)

of another creature's turn. The dragon 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

that make up its lair if that lair is invaded. The dragon then burrows out, leaving its attackers to be crushed and suffocated. When it returns later, it collects its possessions — along with the

Ancient Blue Dragon Legacy

Monsters Basic Rules (2014)

end of another creature's turn. The dragon 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

that make up its lair if that lair is invaded. The dragon then burrows out, leaving its attackers to be crushed and suffocated. When it returns later, it collects its possessions — along with

Carrionette

Monsters Van Richten’s Guide to Ravenloft

creature must succeed on a DC 15 Wisdom (Perception) check to discern that the carrionette is animate. Unusual Nature. The carrionette doesn’t require air, food, drink, or sleep.Silver Needle. Melee

, the target’s speed is reduced by 10 feet, and it must roll a 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Silver Needle"} and subtract the number rolled from each ability check or

Sending Stone

Magic Items Acquisitions Incorporated

Intelligence (Arcana) check to establish contact. Once the stone is successfully used, it can’t be used again until the next dawn. Making contact with another secretarian assumes that they are in

. 8 It’s voice activated, so that every time you talk to someone, it tries to send a message to someone else. Rumor Mill Also at rank 2, whenever your franchise begins a major quest or

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

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

the end of another creature's turn. The dragon 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

treacherous of true dragons, green dragons use misdirection and trickery to get the upper hand against their enemies. A green dragon is recognized by the crest that begins near its eyes and continues down

Corpse Flower

Monsters Mordenkainen Presents: Monsters of the Multiverse

Climb. The corpse flower can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Stench of Death. Each creature that starts its turn within 10 feet of

of the earth and begins scavenging Humanoid corpses from battlefields and graveyards. Using its fibrous tentacles, it stuffs the remains into its body to sustain and repair itself. The plant has a

Carrion Stalker

Monsters Van Richten’s Guide to Ravenloft

check. On its turn, the carrion stalker can detach itself from the target by using 5 feet of movement. When it dies, the carrion stalker detaches from any creature it is attached to. Larval Burst (1

kills the larvae.A carrion stalker begins life as a pale larva that infests a corpse. Over the course of weeks, this grub burrows, feeds, and grows, ultimately developing into a chitinous mass of pincers

Borthak

Monsters Vecna: Eve of Ruin

;s next turn. Webbed Feet. The borthak can move across icy surfaces without needing to make an ability check. Additionally, difficult terrain composed of ice or snow doesn’t cost it extra

animals rarely survive long in a region a borthak claims as its hunting ground. Once a borthak has depleted an area of flora and fauna, it moves and begins its pillaging anew.Acid, Cold

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