2005 · 资料书（用于增强玩法的规则/选项）
Defence
A sourcebook for the d20 fantasy role-playing system, focused on combat and the ways adventurers survive battle. It presents optional rules and variants covering defensive tactics, fighting techniques, and other aspects of martial encounters, adding realism and strategic choices to combat scenes. The material is intended for use with fighters, rogues, spellcasters, and other characters who face armed opponents and dangerous creatures.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。