2021 · 资料书（用于增强玩法的规则/选项）
The Princess: A Royal Class for Old School Essentials
A royal-themed character class for Old School Essentials, featuring musical abilities and storybook-inspired magic. The class can use any item as an improvised weapon to knock foes unconscious, receive blessings from a Fairy Godmother, and learn eight powerful songs.
基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）职业制（飞行员、巫师、科学家等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 The Princess: A Royal Class for Old School Essentials
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。