In the world of Berserk, those branded with the God Hand's mark and escaped the Ecilpse like Guts suffer a nightly onslaught by restless spirits unable to pass on and bent on regaining corporeal form by various means that include attacking those the branded are around. In the city of St. Albion, countless people have been tortured and killed within the Tower of Conviction. For several centuries, Albion gradually becoming a spiritual hub of negativity, the hate-filled spirits lingered on with a desire to have justice for their unjust deaths. It was only when Casca was brought to the tower to be interrogated by Mozgus that the spirits, sensing her and Gut's arrival to the tower, all possess the blood within an iron maiden that the girl was placed in. The animated blood proceeds to go on a ki