You must find six treasures located in the manor and return them to your starting location. However, the manor is stalked by several monsters that you must fight off in a manner as close to the legends as possible. There are also a number of booby-traps that you'll discover along the way. You can opt to have the treasures located randomly at the start.
Notes
This was published by Oric Owners User Group as a BASIC type-in listing in Oric Computing, issue 1, November 1983, pp. 13–22. It was written by A J Shepherd using the pseudonym of 'The Doppel-Ganger'. The article was titled 'Coworth Park Horrors', but the adventure is titled 'Pallida Mors'. The author later stated that he was annoyed at the change of title.