Late night an army of imperial soldiers commanded by Priest Drwc invade Gael village in Erin Island, but find it empty except for Priestess Riannon. Drwc threatens to have her torture until he realizes that she is the descendant of the Elf King Pwyll. He plans sacrifice her to revive the Demon Lord Arawn to rule the world. Riannon tries to kill herself, but surrenders when Drwc's men capture two children. She cooperates and is put under his mind control spell after she reveals her true name.
Meanwhile, the Gael villagers return from their hunting trip lead by the tribe's First Warrior, Arthur, Riannon's older brother. When he learns on what happen to his sister from the children, Arthur leads a small taskforce to rescue his sister at the Demon Lord's Tomb. By the time Arthur arrives in the tomb's inner sanctum after fighting off the Imperial soldiers guarding the tomb, Drwc and his mages have finally revived Arawn who takes the form of an Albino man and approaches Riannon.
「青銅の時代」から1200年。大陸では「神聖帝国」が勢力を広げ、嘗ての古代王国の領域までをも呑み込みつつあった。帝国の司祭ドルウクは、自らの野望の為に魔王アロウンの復活を画策。ゲール族が住むエリン島へ軍隊を引き連れて向かう。そこには、魔王復活の鍵を握る巫女リアンノンが、兄アルサルらと暮らしていた。
A última hora de la noche, un ejército de soldados imperiales comandados por el sacerdote Drwc invade la aldea de Gael en la isla de Erin, pero la encuentra vacía a excepción de la sacerdotisa Riannon. Drwc amenaza con torturarla hasta que se da cuenta de que ella es descendiente del Rey Elfo Pwyll. Planea sacrificarla para revivir al Demon Lord Arawn para gobernar el mundo.