2015 · ソースブック（プレイを拡張するルール／オプション）
Cheliax, The Infernal Empire
This sourcebook details Cheliax, an empire shaped by civil war, infernal pacts, and the rule of House Thrune. It covers the nation’s history, government, foreign relations, society, noble titles, and social hierarchies, along with a gazetteer featuring more than 80 people and places. The book also presents adventure sites suited to intrigue and exploration, including ruined cities and secret fiendish facilities. It adds six monsters, random encounter tables, and a template for creating fiend-infused golems. The material supports campaigns set in Cheliax and can be adapted to other fantasy settings.
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）クラス制（パイロット、ウィザード、サイエンティストなど）
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。