Little Zantoro was very closed to his father, a sharp weapons crafter. As he grew up he became skilled in creating and using those weapons. He even enjoy creating other type of secret sharp weapons ( besides dagger )
His separation with his mother also made him separated with his brother Mantoro, who left with his mother. Seeing lot of crimes happened makes him furious. He fights crime with his own made weapons. He act in silence and use mask to cover his face, people call him 'Siluman Belati'