[[NOTICE: CURRENT COVER IS TEMPORARY]] Polizai Havenburn is a demon hunter, one of the finest and deadliest the world has never seen. He works for a secret organization of demon hunters run by the human Madison Serul, head of the Serul family and Chief of Serul International. Alongside the two are the long-time weapons smith and friend of Polizai, Albert. On an assignment, he discovers a girl who, through a ritual he interrupted, has gained the powers of a demon lord. He's left with little choice but to bring her in to the organization. Madison wants to refuse but Albert helps change her mind. To start off a series of events, Polizai is visited by another long-time friend, the fallen angel Lucifer, who seems to be here for no more than leisure. Polizai then meets an old rival of his, Gladio Ferrum, wielder of the ancient Excalibur blade. He takes out Tera's unit and almost kills her before Polizai intervenes, revealing his new weapons to his rival; the Hellbender blade and Hellfire gun. The fuse begins to run down as the manor is attacked, an oracle is found in Las Vegas and several old friends arise, with only one objective: To kill the demon, Polizai Havenburn, and everyone close to him, and they'll go to extreme lengths to finish their God-given mission.