1998 · 资料书（用于增强玩法的规则/选项）
The Illithiad
This roleplaying game sourcebook examines mind flayers, covering their anatomy, life cycle, origins, history, theology, psychology, society, and plans for controlling the multiverse. It details illithid communities, psionic powers, unique items, undead mind flayers, illithid-kin, and other related monsters. Designed for Dungeon Masters, the book provides material for adding mind flayers and their allies to campaigns and supports a linked adventure trilogy.
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 The Illithiad
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。