Backers save 10% on this add-on! A tome of diabolical new content to enrich campaigns with fiendish adversaries and perilous magic. 176 pages brimming with: - 8 demon lords: Avaraz, Bethgor, Drazoggoth, Ghursag, Infernus, Ooyxblix, Phranax, Sillith. Each detailed with their aims, hellish home planes, and minions, plus a full stat block. - Demon cults: 8 cults of Chaos that serve demon lords, each with new spells available to followers. - Monsters: A horde of 60+ new demonic monsters, including dozens of AD&D-inspired classics. - Demonology: Rules for magic circles, summoning demons, demonic pacts, and devilish familiars. - New character classes and races: The chaos knight, cultist, demon hunter, and tiefling. - Magic items: 70+ artefacts of fiendish power to tempt power-hungry players. - Campaign guidelines: Advice for running campaigns with demonic elements, including campaign frameworks and adventure seeds. 176-page hardcover; cover painting by Benjamin Marra; A5 size; deluxe quality sewn binding; endpapers printed with tables and rules summaries. Includes PDF.

Backers save 10% on this add-on! A tome of diabolical new content to enrich campaigns with fiendish adversaries and perilous magic. 176 pages brimming with: - 8 demon lords: Avaraz, Bethgor, Drazoggoth, Ghursag, Infernus, Ooyxblix, Phranax, Sillith. Each detailed with their aims, hellish home planes, and minions, plus a full stat block. - Demon cults: 8 cults of Chaos that serve demon lords, each with new spells available to followers. - Monsters: A horde of 60+ new demonic monsters, including dozens of AD&D-inspired classics. - Demonology: Rules for magic circles, summoning demons, demonic pacts, and devilish familiars. - New character classes and races: The chaos knight, cultist, demon hunter, and tiefling. - Magic items: 70+ artefacts of fiendish power to tempt power-hungry players. - Campaign guidelines: Advice for running campaigns with demonic elements, including campaign frameworks and adventure seeds. This limited edition will only be printed once, so now is your chance to grab it! 176-page hardcover; black leatherette cover with matte red foil design by Tim Molloy; A5 size; deluxe quality sewn binding; endpapers printed with tables and rules summaries.

Backers save 10% on this add-on! Return to the roots of fantasy adventure! Don your chain mail, grab your iron spikes, and prepare your magic missile. Glory, wonder, and doom await! - This book contains the complete game rules, 13 fantastic classes, 10 classic races, full equipment lists, and over 200 weird and wonderful spells. - Simple rules let imagination and fast-paced action take the spotlight. - Clear, modern presentation makes the game easy to learn and quick to reference. - 100% compatible with the 1980s D&D rules and with decades of classic adventures and supplements. - Core book 1 of 2. Referees also need the Old-School Essentials Referee’s Book. 256-page hardcover; A5 size; deluxe quality sewn binding; 2 ribbon markers; endpapers printed with quick reference info. Shipping note: this add-on will ship along with fulfillment of the Demonic Grimoire in 2027, unlike copies included in pledge levels, which ship to backers early.

Backers save 10% on this add-on! Return to the roots of fantasy adventure! Grab your graph paper, prepare your fiendish minions, and prime your traps. Glory, wonder, and doom await! - This book contains full guidelines for creating adventures and running campaigns, over 330 fearsome monsters, and over 300 wondrous magic items. - Simple rules let imagination and fast-paced action take the spotlight. - Clear, modern presentation makes the game easy to learn and quick to reference. - 100% compatible with the 1980s D&D rules and with decades of classic adventures and supplements. - Core book 2 of 2. Referees also need the Old-School Essentials Player’s Book. 256-page hardcover; A5 size; deluxe quality sewn binding; 2 ribbon markers; endpapers printed with quick reference info. Shipping note: this add-on will ship along with fulfillment of the Demonic Grimoire in 2027, unlike copies included in pledge levels, which ship to backers early.

Backers save 10% on this add-on! Want the complete horde of demons at your fingertips? The Demonic Grimoire Monster Deck is the perfect quick-reference tool for planning adventures, running combats, and selecting random encounters. - 60+ cards, featuring all monsters from the Demonic Grimoire. - Art and description on the front of each card. - Stats and combat traits on the back. - Large 2¾″ × 4¾″ card format (tarot card sized). - PDF included.