2023 · 资料书（用于增强玩法的规则/选项）
Wondrous and Perilous Treasures Volume 1 (OSE)
This supplement adds over 100 magical items for Old-School Essentials and other classic fantasy role-playing systems. The collection includes weapons, armor, garments, rings, wands, assistive items, and cursed or unusual treasures, with many entries accompanied by a short story for added context. It also provides seven adventure plot ideas and a compatibility table that groups classes and classes-as-races into categories such as Rogue, Warrior, and SpellCaster to determine item access.
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 Wondrous and Perilous Treasures Volume 1 (OSE)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。