Kavlov's Sanctuary | OSE Edition

A millennium has passed since Kavlov imprisoned the demon Balthazar deep beneath the earth, binding themselves within the Halls of Dread to guarantee their success. However, as Kavlov's power fades, so does the demon's prison. Do you have what it takes to stop the ritual circles from being activated and prevent Balthazar's escape? Or will you take on the role of the villain, seeking to unleash untold destruction on the world by freeing the demon from its bonds?

Explore the dread-filled halls of Kavlov's Sanctuary and uncover the ancient secrets and betrayals that could determine the fate of the world. But be warned, your actions have consequences, and the ultimate battle between good and evil is closer than ever before!

What is Kavlov's Sanctuary?

Kavlov's Sanctuary is a campaign module and adventure sandbox created for Mörk Borg, with over 100 pages and 29,000 words. The module is designed with extended play in mind, prioritizing a detailed and immersive setting filled with lore, NPCs, and hooks over a predetermined adventure or rigid plot. It serves as a foundation for game masters to create their own adventures, providing ample opportunity for customization and player-driven exploration.

What's Inside

7 New OSE Classes Play as one of five new grisly classes, including the Flesh Weaver, Blood Baron, Degenerate Cannibal, Mycotic Fiend, Skinned Bastard, Disgraced Court Alchemist, or Roach God Emissary, each packed full of morbid flavor and 6 unique abilities to choose from.

The Village Filled with lore, NPCs, rumors, and all of the services needed to mourn the loss of your beloved player characters.

The Dreaded Hills Explore 13 dungeons of increasing difficulty and discover the unique tribes and monsters that occupy them. Filled with over 30+ unique enemies, 10+ bosses, and 20+ magical items.

Wilderness Landmarks and wilderness locations; the earthen settlements, carnivorous keep, deadwoods, bellroot wilds, and bog!

Bog Witch's Wares Over 30 unique and powerful items for PCs to purchase; be warned, the Witch has no use for silver, preferring to deal in ogre’s heart, vampire’s ashes, and other disturbing trinkets instead.

Wandering Monster tables For the wilderness, deadwoods, and bog.

Looking for OSR / Mörk Borg content?!

Visit our publisher page to view all of our Free League compatible modules, including Gravrövare, First, Do No Harm, Take Then Thy Bond, and Fool's Gold!

Content Warning: Mentioned death, torture, cannibalism, pedicide, slavery, corpses, and gore. Reader discretion is advised.

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