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The Book of Demons

The Book of Demons


The Archmage BANISHES them.

The Crusader CONQUERS them.

The Great Gold Wyrm DEFIES them.

The Diabolist SUMMONS them.

When the world cracks open and the demons attack, what will YOU do?

The Book of Demons takes an in-depth look at the Abyssal enemies of the 13th Age—the demonic hordes whose eternal struggle to shatter reality causes hellholes, dimensional breaches, and other, even weirder assaults on the world.

For Players:

  • A new demonologist PC class, with three paths: corruption, flame, and slaughter!

For Game Masters:

  • Six detailed hellholes and their denizens, plus advice on making your own
  • A new random demon abilities table
  • Citadels of the Crusader and the Diabolist
  • Monster stats for nine new demons summonable by player character demonologists
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Reviews (1)
Discussions (5)
Customer avatar
David H December 24, 2019 11:32 am UTC
Would it be possible to provide a slightly more optimized version of the PDF? At almost 84 mb it is almost unreadable on my iPad Pro because the PDF apps struggle so much.
Customer avatar
Pelgrane P December 24, 2019 7:05 pm UTC
Hey David, it's easier for our customers to optimise a high-resolution PDF than work with the poor quality of a low-resolution one, which is why we provide them in the highest possible resolution. There are a number of PDF compression apps available in the Apple app store which you can use to compress PDFs.
Customer avatar
Kerry H October 16, 2018 1:18 am UTC
Also asking for a PDF with the color cover.
Customer avatar
Pelgrane P January 05, 2019 12:12 am UTC
You got it, Kerry, thanks!
Customer avatar
Justus P September 19, 2018 1:36 am UTC
Is it possible to get the PDF with the cover added?
Customer avatar
Pelgrane P January 05, 2019 12:11 am UTC
Updated now, thanks Justus!
Customer avatar
Charles H September 04, 2018 2:42 pm UTC
There appears to be a mistake on page 26, under the Champion Feat for "Demonic Violence":
"Add double your Charisma modifier to the
damage dealt with Focused Violence (8th level: triple your
Charisma modifier)."

The almighty Ctrl+F Says "Focused Violence" doesn't appear anywhere else in the .pdf, so I assume that was intended to affect Demonic Violence.

... Or, alternately, Demonic Violence was named wrong, and it's supposed to be Focused Violence. I kinda like Focused Violence better as a name for that talent, to be honest.
Customer avatar
Pelgrane P January 05, 2019 12:11 am UTC
Thanks Charles! That should indeed say Demonic Violence - we've changed this in the updated PDF.
Customer avatar
Travis P September 01, 2018 6:51 pm UTC
Can you add the cover of the book to the PDF? It currently starts with the title page of the document.
Customer avatar
Pelgrane P January 05, 2019 12:11 am UTC
Updated now, thanks Travis!
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Product Information
Silver seller
Rule System(s)
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File Size:
87.75 MB
Original electronic
Scanned image
These products were created by scanning an original printed edition. Most older books are in scanned image format because original digital layout files never existed or were no longer available from the publisher.

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File Last Updated:
January 04, 2019
This title was added to our catalog on September 01, 2018.