2024 · 资料书（用于增强玩法的规则/选项）
Ulfhedyn, Werewolf Warriors
A character-class supplement for Old-School Essentials introduces the ulfhedyns, warriors blessed by the moon who can take on a werewolf-like form. It includes class features, setting lore, new monsters, and a pre-generated character for adding these shapeshifting warriors to an existing campaign.
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 Ulfhedyn, Werewolf Warriors
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。