Welcome to the Dread Domain
Ravenloft is unlike anywhere else in Dungeons & Dragons. The mists rise, the castle looms, and the Darklords watch from their towers with hunger and despair in equal measure. The Horrors Within is a Ravenloft supplement from Wizards of the Coast, set in the gothic horror corner of the D&D multiverse where tragedy drives the monsters and no hero escapes unchanged. If standard fantasy feels too bright, too safe, and too certain of its happy endings, Ravenloft is the antidote.
What's Inside
As a Ravenloft supplement for fifth edition Dungeons & Dragons, The Horrors Within expands on the Domains of Dread — the patchwork of cursed demiplanes that trap Darklords and mortals alike behind walls of impenetrable mist. Expect new lore, new threats, and new tools for Game Masters who want their horror campaigns to hit harder and cut deeper. Whether the content focuses on new creature stat blocks, expanded Domain lore, player options for gothic adventurers, or GM-facing encounter frameworks, this book is designed to deepen the dread at your table.
Ravenloft supplements pair naturally with Van Richten's Guide to Ravenloft as a foundation, drawing on that book's reimagined Domain structure and its approach to horror as a collaborative, player-aware experience. The Horrors Within builds on that groundwork with material that rewards Game Masters who are ready to push their campaigns into darker, more atmospheric territory.
Who This Book Is For
This supplement is written for Game Masters running horror-themed D&D 5e campaigns, and for players who want their characters to have roots in the gothic tradition. It requires the fifth edition core rulebooks — the Player's Handbook and Dungeon Master's Guide — to use in play. Newcomers to Ravenloft should consider picking up Van Richten's Guide to Ravenloft first for full setting context. Veterans of the Domains of Dread will find this a natural addition to their Ravenloft shelf. Rated for ages 12 and up.
Product Specifications
| Specification | Detail |
|---|---|
| Publisher | Wizards of the Coast |
| System | Dungeons & Dragons 5th Edition |
| Edition | 5e |
| Book Type | Supplement |
| Setting | Ravenloft / Domains of Dread |
| Language | English |
| Age Rating | 12+ |





