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SO15 Headman's Revenge


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A Spooky One-Shot Adventure
Recommended for 4-6 player characters of levels 6 to 8 

A quaint forest village is being visited by a terror from its past.
Each night this Headless Horseman kidnaps one unlucky soul.
Can you stop the fiend before he destroys this village?

Hello and welcome, adventurers and Game Masters!

This is a spooky, holiday themed one-shot module designed for an evening’s worth of adventuring on Samhain, or as it is better known in the modern world, Halloween! This adventure is compatible with OSRIC, 1E and most retroclone systems, and it is intended for an experienced party of 4-6 players of 6th to 8th level. The module may be completed in a couple 3-4 hours game sessions.

SYNOPSIS: The adventure takes place in the quaint village of Coomchadalach, which lies on the borderlands between the nations of nations of  Alderburgh and The Red Eagle Barony. This was a peaceful place where folk tended to respect themselves, each other and the law. Above all else they sought to keep the Balance, for their faith was that passed down from the druids of old, who still minister to the villagers here to this day.

Everything here was in Balance…until recently that is, when a group of foolhardy, young travelling “heroes” raided the abandoned graveyard at the end of the hollow, disturbing the rest of the undead headman imprisoned there, and released his spirit to prey upon the populace of Coomchadalach. Now, the evil spirit has returned nightly to exact its revenge on both the young heroes and the descendants of the original villagers who sentenced him to death so long ago! Each night it takes a prisoner, burns their abode, and drags them back to its hovel in the abandoned graveyard, there to be slain and brought back as a new recruit in its army of the undead!

The Balance cannot be maintained now, as the foul, murderous thing these young adventurers have released is none other than a supernatural undead being called a dullahan, better known in some parts as a Headless Horseman! Worst still the dullahan is working in league with its demonic patron, a greater power of the hells, who has plans to crush the forces of Light and take over the known world, shattering the Balance and plunging the entire world into Darkness!

You and your friends have just ridden into the village of Coomchadalach. You are not quite sure how you ended up here as you had no intention of doing so, but time and again circumstance on the road (a felled tree, a flooded ford, and etc.) forced you in this direction, and so here you are. You quickly realize your help is needed as these folk are facing an extraordinary, otherworldly foe they cannot hope to defeat. However, as seasoned adventurers, this is what you do! A travelling priestess named Mother Mabon and the village council are offering a sizeable reward if you will defeat the dullahan, rescue the kidnapped villagers, and help restore the Balance.

Will you help them, heroes?

Headman's Revenge Encounter Maps:

(1) Village of Coomchadalach, (2) Duneon Map, & (3) Headman's Hovel


Cartography by (1) Tommi Salama and (2) Dyson Logos (both, as modified by Louis "sirlou" Kahn); and (3) Louis "sirlou" Kahn, all rights reserved

This supplement contains a completely original one-shot adventure, ready for immediate use with very little preparation by the GM or the players! This book contains great Old School art and maps, and it offers multiple areas to explore, including the village of Coomchadalach, the abandoned graveyard, the headman’s hovel and the crumbling caverns dungeon that lies beneath it. Each of these areas is described for you and keyed with challenging encounters for your players. An Old School hex map of adventure’s locale (on the borderlands of The Red Eagle Barony, Yarlburgh and Dùn Bhristee), is also included, with information on geography, local settlements, and showing areas for further exploration. Lastly, the scenario includes a carefully crafted party of Pre-generated Characters, and an additional party (the young adventurers who started this mess) of NPCs. Each of theses pre-gens is presented with all necessary stats and gear, ready for immediate use by players or the GM. Lastly, the adventure contains three (3) new monsters and five (5) new magic items to introduce into your campaign!

This book features 44 pages of Halloween thrills and chills with players challenging the very Headless Horseman himself, and it is sure to please discerning GMs and players everywhere!

PLUS you also get a free copy of my 2021 Starry Knight Press Catalog, which has information on all of my modules and supplements, as well as maps of the known portions of my campaign world of Terrans, and bonus content (new monsters and magic items for OSR/5E) from my published books!

Louis “sirlou” Kahn
Starry Knight Press
October 2019

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File Last Updated:
June 09, 2021
This title was added to our catalog on October 29, 2019.