2017 · シナリオ／アドベンチャー／モジュール
The Yai Sovereign of Storms
A 5th Edition OGL adventure for four to five characters of 7th–8th level, set in the eastern fantasy noir steampunk world of Mists of Akuma. The party is tasked with helping an oni agent reclaim the secret city of Tsukisasu from a storm-born usurper. Players must locate the hidden settlement, investigate its oni inhabitants, and infiltrate a mountain fortress while the adversary’s rituals grow stronger. The adventure includes maps of Tsukisasu and Yona’s Fortress, the misted condition, new Dignity and Haitoku attributes, an adeddo-oni template, and ten new monsters.
ソースブック（プレイを拡張するルール／オプション）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。