Gotei13

This is the name given to the 13 Divisions of the Shinigami in Soul Society. Anyone classified as a Shinigami is put into 1 of the 13 Divisions, whether they are a Captain or Vice-Captain, hold a Seat, or are just a member, they are still an important part of the Division. Each Division of the Gotei 13 has a Captain and a Vice Captain, they are generally the strongest of the whole Division. To become a Captain, a Shinigami must first have achived Ban-Kai as one of the prerequisites. The Captain and Vice Captain usually travel together and get along well.