2018 · ソースブック（プレイを拡張するルール／オプション）
Unendlichkeit & Tiefenrausch
This game aid expands play in Havena’s Lower Town and provides further information and rules for the opponents of Efferd in the conflict of the sea gods. It includes an expanded bestiary for the Lower Town, equipment packages for adventurers, treasure hunters, and guardsmen, and detailed rules for the traditions and liturgies of Numinoru priests. It also introduces rules for demonic pacts and pact gifts granted by the arch-demon Charyptoroth. The core rules, the Aventurian Almanac, and Havena – Sunken Secrets are required.
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。