2009 · 资料书（用于增强玩法的规则/选项）
By Skill Alone
This 4E roleplaying supplement expands the use of skills beyond combat. It explains how to design skill challenges, provides new challenges for parties across the heroic, paragon, and epic tiers, and presents additional applications for every skill in the Player’s Handbook. It also includes three new rituals whose effects are determined through skill use.
- 人数
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基于种族（玩家的种族/物种影响游戏玩法）骰子（主要为 d20）骰子（多种）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 By Skill Alone
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。