Burning Blood Hunting Nightmare

Every drop of blood is a weapon, every breath is burning life! "Want power? Then burn your blood dry!" In this world where evil spirits are rampant, the only way for humans to fight back is to burn blood - a forbidden art that uses life as fuel. Burning blood nine levels, each level eating life. The blade is made of dark iron, and the blade kills souls. None of the nine masters who control the world are perfect. When the blood has burned out, the knife begins to whisper - is he a human, a ghost, or...