OSR Booster is a 56 page zine with d20 weapons and d20 armor that will give your party an edge in brutal old school settings. Each of them are never quite what they seem -- ranging from slightly cursed or really powerful.
High quality offset printing
Spot gold foil cover / back
A5 (zine) size
Written and illustrated by Justin Sirois
Shipping from United States
Processing time
1-2 weeks
Customs and import taxes
Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.
Payment Options
Returns & Exchanges
Returns & exchanges not accepted
But please contact me if you have problems with your order
Frequently Asked Questions
Are packages insured?
Please note, only orders of $35 or more are insured via USPS.
Wholesale availability
Yes, on books, stickers, and shirts. Please message us for more information.
Reviews (5)
Average:
Aug 18, 2026
Five stars! Smooth transaction, quick delivery, and the item exceeded my expectations. Thanks so much!
Chuck Ward
May 11, 2026
Excellent and super fast shipping! Thanks!
Rodney Phillips
Sep 19, 2025
Fantastic magic items for any RPG setting or system.
Tiana
Apr 8, 2025
Every order from Severed is great
Ami Yumi
Mar 26, 2025
Perhaps the highest quality softcover supplement I have ever purchased.
J. Stewart