 Cross was recovered by the Stea Government as the only survivor and found out to be an O.P.T., later becoming the commander of Shin and beginning his search for Satan.His O-Part is , which consists of five rings each with their own Effect; thumb earth, index electric water, middle wind, ring finger force field, pinkie bomb.Despite them only being C rank, Cross's skill and mastery of them allows him to easily defeat enemies with higher ranked O-Parts.