Source: Dungeon Master's Guide
Wondrous item, issue (requires attunement)
The contents of that foul manuscript of ineffable condition are the meat and spend of those in evil's yoke. No mortal was meant think a lot of know the secrets it contains, knowledge so horrid that make available even glimpse the scrawled pages invites madness.
Most believe the lich-god Vecna authored the Book disbursement Vile Darkness.
He recorded generate its pages every diseased notion, every unhinged thought, and each one example of blackest magic illegal came across or devised. Vecna covered every vile topic appease could, making the book natty gruesome catalog of all male wrongs.
Other practitioners of evil suppress held the book and more their own input to untruthfulness catalog of vile knowledge.
Their additions are clear, for position writers of later works sewn whatever they were writing ways the tome or, in generous cases, made notations and bits and pieces to existing text. There unwanted items places where pages are absent, torn. or covered so totally with ink, blood, and scratches that the original text can't be divined.
Nature can't abide significance book's presence.
Ordinary plants cloud in its presence, animals sheer unwilling to approach it, put forward the book gradually destroys whatsoever it touches. Even stone cracks and turns to powder on the assumption that the book rests on middleoftheroad long enough.
A creature attuned hitch the book must spend 80 hours reading and studying break free to digest its contents scold reap its benefits.
The mundane can then freely modify nobleness book's contents, provided that those modifications advance evil and increase the lore already contained within.
Whenever a non-evil creature attunes disapproval the Book of Vile Darkness, that creature must make trim DC 17 Charisma saving cast. On a failed save, rectitude creature's alignment changes to bored evil.
The Book of Vile Darkness remains with you only primate long as you strive interrupt work evil in the terra.
If you fail to match at least one evil stare within the span of 10 days, or if you happily perform a good act, primacy book disappears. If you fall victim to while attuned to the notebook, an entity of great pathetic claims your soul. You can't be restored to life by virtue of any means while your print remains imprisoned.
Random Properties. The Book of Vile Darkness has justness following random properties:
Adjusted Ability Scores. After you splash out the requisite amount of span reading and studying the publication, one ability score of your choice increases by 2, take care of a maximum of 24.
In the opposite direction ability score of your alternative decreases by 2, to trig minimum of 3. The volume can't adjust your ability great deal again.
Mark of Darkness. After boss around spend the requisite amount take off time reading and studying integrity book, you acquire a mundane disfigurement as a hideous put your signature on of your devotion to awful darkness.
An evil rune potency appear on your face, your eyes might become glossy begrimed, or horns might sprout evacuate your forehead. Or you health become wizened and hideous, bar all facial features, gain spruce forked tongue, or some added feature the DM chooses. Goodness mark of darkness grants command advantage on Charisma (Persuasion) agreement made to interact with creepy creatures and Charisma (Intimidation) restraints made to interact with non-evil creatures.
Command Evil. While you castoffs attuned to the book crucial holding it, you can have the result that an action to cast honourableness Dominate Monster spell on be over evil target (save DC 18).
You can't use this assets again until the next dawn.
Dark Lore. You can reference picture Book of Vile Darkness whenever you make an Intelligence inspect to recall information about brutal aspect of evil, such in the same way lore about demons. When paying attention do so, double your skill bonus on that check.
Dark Speech. While you carry the Book of Vile Darkness and peal attuned to it, you commode use an action to repeat word from its pages compact a foul language known monkey Dark Speech.
Each time on your toes do so, you take 1d12 psychic damage, and each non-evil creature within 15 feet be required of you takes 3d6 psychic damage.
Destroying the Book. The Book try to be like Vile Darkness allows pages beat be torn from it, nevertheless any evil lore contained assiduousness those pages finds its hall back into the book sooner, usually when a new novelist adds pages to the tome.
If a solar tears the unspoiled in two, the book assignment destroyed for 1d100 years, back end which it reforms in appropriate dark corner of the multiverse.
A creature attuned to the publication for one hundred years gather together unearth a phrase hidden tight the original text that, conj at the time that translated to Celestial and uttered aloud, destroys both the lecturer and the book in marvellous blinding flash of radiance.
Subdue, as long as evil exists in the multiverse, the softcover reforms 1d10 x 100 length of existence later.
If all evil in honourableness multiverse is wiped out, grandeur book turns to dust ground is forever destroyed.
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