2021 · ソースブック（プレイを拡張するルール／オプション）
Ifirn-Vademecum
This sourcebook presents background material on the worship of Ifirn, the semi-divine Swan Daughter associated with compassion, hope, and survival through winter. It examines the differences between her faith and that of her father, Firun, along with the duties, ideals, and paths followed by her consecrated servants and human followers. The volume includes information on related divine beings, prayers, invocations, source texts, and quotations. It also provides suggestions for developing player characters and non-player characters devoted to Ifirn. The material is intended for both players and game masters and requires no rules knowledge.
スキルベース（スキルを購入または獲得）ポイント制（ポイントを割り振ってスキルや能力を得る）特性／アスペクト制（性格がゲームプレイに影響する）
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。