1987 · ソースブック（プレイを拡張するルール／オプション）

Chybisa

A setting supplement covering a small feudal kingdom in eastern Hârn, its history, politics, economy, clans, and fragile independence from neighboring realms. It includes an atlas map and details of Burzyn, the kingdom’s royal seat and a wealthy trading center built around a strategically important bridge and castle. A separate section examines Hârnic law, including clan and feudal customs, royal justice, forest law, trials, enforcement, common crimes, and typical punishments.