The Black Smith Blasko of Sacri forged a Weapon for D from the lance of the Blue Knight. Composed of molybdenum, chromium steel, an iron polymer, and an unknown synthetic substance which gives it, it's cutting strength. Blasko also performs mystical purification rites and incantations along with forging a soul with in the blade further amplifying it's power.(Note: this sword is exclusive so far only to the novel Rose Princess, it is unknown whether D still posses the blade.) He has a son named Cusca.