2008 · 资料书（用于增强玩法的规则/选项）
Earthblood
A free supplement for Underdark campaigns, introducing earthblood as the mystical energy that sustains subterranean plants and fungi. It provides background information, new feats, distinctive spells, specialized items, and rules for game masters, expanding character options for campaigns using the Open Game License. The material supports characters of all levels and ties into the rules from the Books of Experimental Might.
技能型（购买或获得技能）职业制（飞行员、巫师、科学家等）骰子（主要为 d20）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Earthblood
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。