2025 · ソースブック（プレイを拡張するルール／オプション）
Ioun Eater (C&C)
This release for Castles & Crusades presents a single new creature: an unusual, diminutive construct that seeks out and swallows ioun stones for its master. It takes the stones without permission and grows stronger as it consumes them. The creature can also expel a swallowed stone as an explosive attack. Game statistics and three adventure seeds provide ways to introduce it into play.
属性／ステータス制（STR、CON、PERなど）レベル制（XPを獲得してレベルアップ）ダイス（主にd20）
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。