2023 · 资料书（用于增强玩法的规则/选项）
Alchemist's Handbook
This supplement adds alchemy-themed rules for Old-School Essentials campaigns. It includes the Alchemist class, procedures for researching potions, rules for more than 70 potions, and the legendary Philosopher’s Stone as an alchemical treasure.
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 Alchemist's Handbook
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。