2017 · 资料书（用于增强玩法的规则/选项）
Underworld Races & Classes (Pathfinder)
This Pathfinder companion expands adventures in an underworld setting with 14 new playable races and more than 25 classes, archetypes, and class options. It details cultures such as the drow, four-armed hoyrall, crocodile-like kraidyl, funglets, and quasi-undead halflings. The book also includes optional sonar-based perception rules, scaling guidance, feats, favored class options, equipment, monsters, spells, and setting-specific elements such as symbiotes, spores, soul candles, web-slinging, and explosive mushrooms.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）
在哪里买
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免费，支持网页、Android 和 iOS
用 Ludoya 玩 Underworld Races & Classes (Pathfinder)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。