Achtung! Cthulhu - Mysteries of the Manor PDF FREE!

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Horror at a Stately Home!

Welcome to Section M: Priority Missions, smaller one-shot missions and scenarios to help out the hard-pressed GM. Inside you’ll find a complete mission brief and full colour map to help you run a shorter one-shot session, plus a set of seeds to provide inspiration for further adventures.

Strange events are occurring at Raynethorpe Hall in East Anglia, where Lord Edward Dowling, a renowned collector of antiquities, his family and staff have been captured by a Black Sun strike team. 

With the Black Sun forces barricaded in and ransacking the house for the powerful ancient Tome of Mephisto, agents are dispatched to free the lord, release his staff and prevent a dangerous Black Sun Canon accomplishing their mission. 

Mysteries of the Manor is a covert insertion mission requiring courage and daring where the main aim is to rescue innocents caught up in the of the ancient stately home. 

However, as All Hallows Eve approaches, a swathe of Halloween Horrors are ready to be unleashed on the sleepy East Anglian countryside, and things are about to take a turn for the decidedly more deadly! 


  • A ready made scenario featuring a classic stately home mystery location
  • Detailed locations and a colour GM map to add atmosphere and flavour 
  • Blank player map for desktop or digital play
  • Adventure seeds and inspirations for extending the experience with the Halloween Horrors!

Requires the Achtung! Cthulhu 2d20 core books to run.

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Customer Reviews

Based on 1 review
Björn Lippold (Mephisto magazine)
Monster not just for Halloween - a Mephisto review

Just in time for Halloween, Modiphius has released another small free supplement for Achtung! Cthulhu with several monsters with Halloween Horrors 2. Once again, the supplement features five creatures from the Achtung! Cthulhu universe, as well as a few plot ideas to use them.

The selection is varied this time. For example, the classic Djinn are thematized and incorporated into the setting. The Flying Polyp is a standard Mythos monster that was previously missing. With Grand Mere Cherie, the supplement features an unusual ghoul, while Kelpie and Redcap are two monsters from Celtic mythology that have been slightly adapted for the mythos.

The monsters are described in an interesting way and fit into the background of Achtung! Cthulhu and can therefore be used universally within the setting.

The Flying Polyp, the Djinn and Grand Mere Cherie in particular are very useful additions. In my opinion, Kelpie and Redcap as creatures of Celtic mythology do not quite fit into the Mythos setting, even if the Kelpie is interpreted here as a variant of the Deep Ones.

In addition to the double-page monster descriptions, the booklet offers ten briefly described adventure hooks for these monsters on one page, making Halloween Horrors 2 a nice addition offering interesting monsters that is also free of charge.

(Björn Lippold)

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