2001 · 资料书（用于增强玩法的规则/选项）
The Taan
A d20 System race sourcebook for the Sovereign Stone campaign setting, exploring the history, religious beliefs, stories, and legends of the Taan, a major race of Loerem. The book also introduces new Void spells, prestige classes, weapons, and rules for the Taan Vrykyl.
替代规则（核心规则变体）基于属性/数值（STR、CON、PER 等）职业制（飞行员、巫师、科学家等）骰子（主要为 d20）
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。