before book devil check return

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

Deck of Many Things

Magic Items Dungeon Master’s Guide

you draw the card or at any other time before you die. Flames. A powerful devil becomes your enemy. The devil seeks your ruin and torments you, savoring your suffering before attempting to slay you

. This enmity lasts until either you or the devil dies. A Question of Enmity Two of the cards in the Deck of Many Things can earn a character the enmity of another being. With the Flames card, the

Vampire

Monsters Monster Manual

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

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

Arch-hag

Monsters Monster Manual

). Otherwise, the hag drops to 1 Hit Point and teleports to a harmless demiplane, and it can’t return to the plane it left for 2d6;{"diceNotation":"2d6", "rollType":"roll", "rollAction":"Spiteful

(excluding the hag and its allies) within 1 mile of the lair subtract 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Lapsus Linguae"} from any ability check they make when they take 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

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

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

Horned Devil (Summoner Variant) Legacy

Monsters Monster Manual (2014)

Devil's Sight. Magical darkness doesn't impede the devil's darkvision. Magic Resistance. The devil has advantage on saving throws against spells and other magical effects.Multiattack. The devil

","rollType":"roll","rollAction":"Tail"} hit points at the start of each of its turns due to an infernal wound. Each time the devil hits the wounded target with this attack, the damage dealt by the wound

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

Bearded Devil Legacy

Monsters Basic Rules (2014)

Devil's Sight. Magical darkness doesn't impede the devil's darkvision. Magic Resistance. The devil has advantage on saving throws against spells and other magical effects. Steadfast. The devil

can't be frightened while it can see an allied creature within 30 feet of it.Multiattack. The devil makes two attacks: one with its beard and one with its glaive. Beard. Melee Weapon Attack: +5

Monastery of the Distressed Body, Grand Master

Monsters Lost Laboratory of Kwalish

of a Vorpal Sword. Shards of a vorpal sword once broken against the devil replace its claws. A successful DC 12 Intelligence (Arcana) or Wisdom (Perception) check identifies them as such. When the

Devil’s Sight. Magical darkness doesn’t impede the devil’s darkvision. Magic Resistance. The devil has advantage on saving throws against spells and other magical effects. Shards

Bearded Devil (Summoner Variant) Legacy

Monsters Monster Manual (2014)

":"Glaive"}. Any creature can take an action to stanch the wound with a successful DC 12 Wisdom (Medicine) check. The wound also closes if the target receives magical healing. Summon Devil (1/Day). The

Devil's Sight. Magical darkness doesn't impede the devil's darkvision. Magic Resistance. The devil has advantage on saving throws against spells and other magical effects. Steadfast. The devil

Horned Devil Legacy

Monsters Basic Rules (2014)

Devil's Sight. Magical darkness doesn't impede the devil's darkvision. Magic Resistance. The devil has advantage on saving throws against spells and other magical effects.Multiattack. The devil

","rollType":"roll","rollAction":"Tail"} hit points at the start of each of its turns due to an infernal wound. Each time the devil hits the wounded target with this attack, the damage dealt by the wound

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

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

Soulstone Grimoire

Equipment

Scrawled in devil’s ichor, this tome describes the rites necessary to achieve immortality in undeath. The book includes instructions for crafting a soulstone and imbuing it with power

grimoire, you must be a spellcaster who can cast spells of 7th level or higher. If you spend 80 hours over a period of 30 days or fewer studying the book, you learn the ritual to create a soulstone and turn

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

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

Bael

Monsters Mordenkainen Presents: Monsters of the Multiverse

Dread. Any creature, other than a devil, that starts its turn within 10 feet of Bael must succeed on a DC 22 Wisdom saving throw or be frightened of him until the start of its next turn. A creature

in the ongoing struggle. Duke Bael, one of Mammon’s most important vassals, has won fame and acclaim for his victories. Charged with leading sixty-six companies of barbed devil;barbed devils

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

unable to breathe or stand up. A creature can take an action to make a DC 10 Strength check, ending the buried state on a success. A cloud of sand swirls about in a 20-foot-radius sphere centered on

Sea Spawn

Monsters Mordenkainen Presents: Monsters of the Multiverse

turtle;dragon turtles (morkoths appear in this book; the others appear in the Monster Manual)—all of these and more can mark mortals as their own and claim them as minions. Unlucky folk might

by a kraken (see the Monster Manual) named Slarkrethel. The experience transforms the children into fanatics dedicated to the kraken. They return from the sea as humans, but when they reach old age

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

unable to breathe or stand up. A creature can take an action to make a DC 10 Strength check, ending the buried state on a success. A cloud of sand swirls about in a 20-foot-radius sphere centered on a

Kasimir Velikov

Monsters Curse of Strahd

a return to the old ways. Dreams of the Damned. Kasimir's sister, Patrina Velikovna, is sealed in the catacombs below Castle Ravenloft. Convinced that she was the concubine of the devil Strahd

is to become as powerful a vampire as Strahd. Kasimir Velikov's Traits Ideal. “I failed my people and my sister, and now I must atone or be damned.” Bond. “I seek to return my long-dead sister, Patrina

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

. They delight in pranking such foolish creatures or pilfering from them in return. Leprechauns take pride in their appearances, dressing in dapper outfits that typically feature red fabrics, gleaming

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

Nafas

Monsters Quests from the Infinite Staircase

with it. A creature restrained by the vortex, or another creature that can reach it, can use its action to make a DC 22 Strength check. On a successful check, the restrained creature is no longer

destroy Nafas is to take his place. Nafas as a Patron In addition to linking the adventures in this book, you can use Nafas as a group patron (detailed in Tasha’s Cauldron of Everything). In

Iymrith

Monsters Storm King's Thunder

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

stand up. A creature can take an action to make a DC 10 Strength check, ending the buried state on a success. A cloud of sand swirls about in a 20-foot-radius sphere centered on a point the dragon can

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

they root among filth. The crawlers then spread these grubs, potentially infecting whole sewers, graveyards, or battlefields with carrion stalkers. In return, carrion stalkers avoid preying on carrion crawlers.

Vampiric Mind Flayer

Monsters Van Richten’s Guide to Ravenloft

Spider Climb. The mind flayer can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Sunlight Sensitivity. While in sunlight, the mind flayer has

the cerebral fluids from sapient minds. After doing so, they return to the Elder Brain of Bluetspur, which liquefies them into its pool and releases their stolen essences amid a hormone brine. This

Moloch

Monsters Mordenkainen Presents: Monsters of the Multiverse

archdevils in check. The arrangement unraveled, however, when Moloch took the night hag named Malagard for his advisor. Her poisonous words gradually convinced him to attempt to topple Asmodeus. The

time in preparing for his return. He amassed an army of devils and monsters and left them to make final preparations for invading the Nine Hells, while he ventured to the Material Plane in search of an

Glyph of Warding Legacy

Spells Basic Rules (2014)

be closed (such as a book, a scroll, or a treasure chest) to conceal the glyph. The glyph can cover an area no larger than 10 feet in diameter. If the surface or object is moved more than 10 feet from

where you cast this spell, the glyph is broken, and the spell ends without being triggered. The glyph is nearly invisible and requires a successful Intelligence (Investigation) check against your

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