subtitle: A rules supplement for use in any Mystara™ campaign user summary: This document, originating from the Mystara Mailing List and hosted at the Vaults of Pandius, is a treatment for a campaign centered around module B4: The Lost City. It provides faction details and NPCs, rules for drugs in Cynidicea, details of major antagonists, location details for the lower regions of the City, and a couple of scenario outlines. from the Table of Contents: Introduction Who Are The Cynidiceans? A Timeline Of Cynidicea The Factions Of Cynidicea Brotherhood of Gorm Magi of Usamigaras Warrior Maidens of Madarua The Church of Zargon Drugs In Cynidicea History Of Drugs In Cynidicea Magic and Drugs Drug Rules Addiction Sample Drug Listing Delivery Devices Zargon And Other Villains Zargon Gaius Barimoor Interesting Places The Eye of Zargon The Isle of Death The Lower Catacombs Scenarios Against the Lich King The Cleansing of Cynidicea