A man with a bitter and painful past must tread the path of darkness and blood to exact his revenge on the Supernatural creature that slaughtered his father, mother, and little sister right before his eyes.
A mysterious power awakened within him when he was on the brink of death—a power that allows him to become much stronger than he could even imagine. The System.
With That System, he become much stronger than Supernatural beings and powerful human Knight of Religious order alike. But each time he uses this power, he didn't realize that he loses a small part of his humanity.
With this system, the man walks the thin line between death and shadow, becoming a Hunter feared by both monsters and men.
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