The Batman fights to save a killer from the consequences of his own evil...but not even the Darknight Detective is a match for a six-armed demon.

Mahakala has been born in vengeance and hatered. Now on the loose against those who he was conjured to destroy. With its creator unable to stop him, the Batman races against time before innocence becomes a bystander to the rampage of Mahakala.

Jason Blood is aware of the situation, as Batman seeks councile. He is resolute not to let the Demon Etrigan out ever again.