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Blood War Bestiary
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From now through November 29th, this digital title has been marked down for the Black Friday/Cyber Monday weekend! For more savings, visit our Black Friday/Cyber Monday page.

The Lower Planes teem with twisted creatures just waiting to be set loose. In this supplement you will find the following:

  • 5 Villains

  • 2 Lairs

  • 57 monsters, ranging from CR 1/2 to CR 20

  • Lore on disease in the Blood War as well as a new disease, Hellish Fever.

Everything comes with accompanying lore and original art designed to tell the story of each entry.

Use these new elements to enrich your Baldur’s Gate: Descent into Avernus or Out of the Abyss campaign. Or, if you’re feeling particularly fiendish, unleash them on the Material Plane where dwell your unsuspecting party of adventurers.


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Reviews (6)
Discussions (5)
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Rob M April 09, 2020 1:12 am UTC

So I'm really loving these creatures a lot now that I'm reading through a lot more of the content. However, there are some possible errors you may want to check. I'm not sure if this is welcome to give on just a few things but I did notice a lot of simple stuff through scanning and a few more from converting some stat blocks into Homebrew private for my personal use.

-With regards to the Stygian Dragons, I believe you set the reach for most of the attacks to 5ft when the majority of Dragons as they grow have reached of 10 or 15 feet for bites and tail attacks. I'll be changing this for when I run it to reflect normal dragon reach.

-Also, for the Host Devil and Swarm variant, the Noxious Breath omitted what type of damage to deal. It just says 'Xd6 damage' instead. I am assuming this is poison damage for now.

-Formatting errors:
->Disease Lord has the Magic Resistance all in italics and bold in the description.
->Broodbloat has a lowercase...See more
Customer avatar
Rob M April 08, 2020 11:10 am UTC
Hey creators! Just was getting ready to make all of the monsters on the D&D Beyond Homebrew section of the website for my campaign. I was wondering about when I make them, seems obvious, but to be clear I should set all of the monsters to be private so that people purchase your creatures on DM's Guild?

If you would like them to be available, I don't mind making them in the homebrew section without the written paragraphs and artwork? I of course woud provide a link to this page to purchase the full info and art about the monsters here. But would love to know!
Customer avatar
Darrin S April 19, 2020 12:51 am UTC
Sorry for the late response.
Yes, you can absolutely use this to share with your players, as long as it's on private. I'm also fine with you including artwork provided all the monsters and stuff don't get spread around.
Customer avatar
Justin M. C September 28, 2019 10:30 pm UTC
I don't usually point out editing mistakes in comments here, but these two made me laugh (and are easy to overlook):
Golothoma - pg. 57 HP 240 (0d12 + 0) Easiest kill ever?
Dark Priest - pg. 81 HP 84 (12d9 + 24) At first glance I just thought the 9 was a typo, but the HP are calculate properly using the d9, for 12d8 + 24, I believe it should be 78 HP.
Customer avatar
Darrin S September 28, 2019 11:00 pm UTC
Thanks for bringing this to our attention. The fixes have been made :)
Customer avatar
George M September 24, 2019 8:09 pm UTC
Very nice book, well structured, and the monsters seem balanced and mostly useful; very handy
Customer avatar
Early T September 23, 2019 5:03 pm UTC
This looks great. What are the lairs? Are they like mini-adventures or encounters with maps?
Customer avatar
Anthony J September 23, 2019 5:19 pm UTC
Hi there! I created one of the Lairs, Fort Balator for the Villain Vindictus. The lairs is a preset dungeon, with monsters, loot, and areas to explore. Think of it as a great way to add a dungeon in Avernus on the fly. Or a side quest. Hope that helps!
Customer avatar
Early T September 23, 2019 5:34 pm UTC
Very cool indeed. I'm about to get Avernus and run it. I need some replacement monsters and side stuff to screw with any of my players that pick it up and read it. Keeps them from knowing everything lol. Added to my cart. Thanks for the quick response.
Customer avatar
Anthony J September 23, 2019 5:38 pm UTC
Give em Hell....and then more hell!
Customer avatar
Micah W September 23, 2019 10:05 pm UTC
The other lair was written by me. It is a detailed tavern in Baldur’s Gate, run by a unique demon and connected to both Avernus and the Abyss. It comes with adventure hooks, but is intended as a launch/rest point for your campaign Heroes. It has a beautiful color map by Elven Tower
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File Last Updated:
October 03, 2019
This title was added to our catalog on September 23, 2019.