Now my world is fire and blood, killing or dying, surviving is the great objective and to achieve it I had to become a lethal warrior, an unforgiving warrior...The Black Warrior.

My name is Isaac Gabriel and until about 10 years ago I was considered the best criminologist detective for the A.N.S.T. Anti Satanic Sect, specialized in investigating complicated cases of multiple murders such as the ONK or the Ritual Detective. However, after the birth of Phanto, the new Satan, the Sixth Advent occurred and humanity disappeared almost completely, I can do nothing to protect the life of my companions and their ghosts will persecute me until the end of time, took the stigma of the damned. Perhaps the world in which I now live is dominated by some entity, some law like the Hand of God, which makes the destiny of men, is already predestined. Now my world is fire and blood, killing or dying, surviving is the great objective and to achieve it I had to become a lethal warrior, an unforgiving warrior...The Black Warrior.—Leonardo Orna