2015 · 软件（用于地图、角色卡等）
Spell Law (RMSS/RMFRP)
This digital expansion for ERA adds the complete spell lists, spell descriptions, attack tables, and critical tables from all three volumes of RMSS/RMFRP Spell Law. Characters can learn spells and access their descriptions during adventures, while the game master can record castings and calculate penalties for preparation time, hand use, and other factors. The package also supports directed and area elemental attacks, with seven corresponding attack tables and four elemental critical tables. ERA runs on Windows, macOS, and Linux.
基于属性/数值（STR、CON、PER 等）基于点数（分配点数以获得技能、能力等）等级制（获得经验值并升级）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Spell Law (RMSS/RMFRP)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。