Achtung! Cthulhu 2d20: The Malevolent Grove FREE PDF

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Explore a Haunted Forest

Every place in the world has its ghost stories. The dark places of malevolence and dread. Do not stray from the road, do not linger in the dark, do not enter the forest. One such location is the Malevolent Grove.

Centuries ago, a church was built containing waters of great mystical power which could transport people through time and space. Unholy rituals profaned the site and drove the worshippers to mania and murder. The stain of their deeds polluted the surrounding forest, and their greed sunk into the soil creating a malignant intelligence.

Only by constraining some of the forest’s malign power can your players learn to navigate the twisting pathways of the grove and eventually reach the mystical waters, as they solve the mysteries of the Malevolent Grove!


  • A FREE standalone adventure location which can be easily incorporated into existing campaigns or run as a one-shot
  • A companion to Achtung! Cthulhu’s FREE Halloween Horrors PDF with suggestions on how to use this location for each horror
  • System agnostic - can be easily adapted to other RPGs and systems
  • Contains maps and playing aids to help both players and GMs

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

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Customer Reviews

Based on 1 review
Björn Lippold (Mephisto magazine)
Lost in the woods - a Mephisto review

After the free expansion Halloween Horrors with some classic monsters, which were reinterpreted for Achtung! Cthulhu, The Malevolent Grove is a short, free introductory adventure. The Malevolent Grove is meant to be combined with Halloween Horrors to set the enemies of the player characters. The background of this adventure is an ominous place that holds a mysterious and potentially very valuable secret that not only the player characters want to uncover. In fact, the player characters compete with one of the monsters from the Halloween expansion, trying to reach the forest's secret. However, along the way, puzzles must be solved at various locations, based on the combination of clues and found items, before the finale starts.

At first glance, The Malevolent Grove is a rather unusual Achtung! Cthulhu adventure, since here the Secret War theme is entirely ignored, and the player characters are confronted with a kind of dungeon adventure in a forest. With its brevity and somewhat schematic structure, it falls behind the commercial adventures. Not only because it is free, but it is also ideally suited as a small interlude or as an introduction to the world of Achtung! Cthulhu and can be recommended accordingly.

(Björn Lippold)

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