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Host and Hostility


Our story takes place in England in 1812, only one year into the Regency era. A young lady of good societal standing is introduced at a ball to three potential suitors: a navy captain, a clergyman, and an aristocrat, all with dark secrets that lead to even darker consequences.

Host and Hostility is a collection of three one-to-one scenarios for Call of Cthulhu 7th Edition by Chaosium, making use of the Regency Cthulhu sourcebook. The scenarios range from weird science to high-mythos. Each scenario is written to be run in a single 2-4 hour session.

Loom and Lucidity

A dashing but mysterious naval captain has taken Brighton by storm this Season. Where did they come from and what is the source of their fortune? And why did Lord Cosgrove drop dead as soon as he spoke against the gallant Captain? Intrigued by such an enigmatic person, the investigator accepts an invitation to a soirée in London with the highest of high society in attendance. There she will be have to battle to keep her wits about her as madness reigns.

Curate and Curability

The investigator is introduced to a young clergyman who is a widower, mourning the loss of his late wife. An invitation to his house in a secluded county village follows, but is there more to the draughty old vicarage than meets the eye? And what really happened to his wife?

Note and Notoriety

The investigator is invited to the ball of the season hosted by renowned aristocrat Sir Jasper d’Ulfrey. The lavish parties of Sir Jasper are known to all, and the guests are the envy of the ton. Little do they know that Sir Jasper has grown weary of his hedonistic existence. With the help of some of the more dubious books in his library he means to make this, his final grand ball, a night to remember...

Host and Hostility contains:

  • Three scenarios (+ print friendly versions)
  • Optional introductory scenes
  • Three pre-generated investigators with character portraits
  • Fifteen full colour handouts (+ print friendly versions)
  • One audio handout
  • Two new mythos tomes
  • Full colour illustrations
  • Appendices with historical information
  • Period newspaper with future scenario hooks


nb. you will need a copy of the Call of Cthulhu 7th Edition Keeper Rulebook (or the free Call of Cthulhu 7th Edition Quick-start rules), to run this adventure. These scenarios use optional rules from Regency Cthulhu: Dark Designs in Jane Austen's England.

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November 27th, 2022
Amazing Scenario pack for Regency Cthulhu. Want not just one but three scenarios to get you started in the Regency Era, well look no further... this has got to be for you! The sheer value of this product cannot be understated. It is beaut [...]
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File Last Updated:
November 24, 2022
This title was added to our catalog on November 24, 2022.