While the history of the Gotei 13 remains largely unknown, the organization was founded by Genryūsai Shigekuni Yamamoto, who has stood at the head of the group since its inception The first generation of the Gotei 13 consisted of Yamamoto, Yachiru Unohana and 11 other captains. Shunsui Kyōraku considers this generation to be the strongest version of the Gotei 13. According to Yhwach, the original Gotei 13 were "defenders" in name only, comprising nothing less than a brutal mob of killers, but it was for this very reason they were a force to be feared. It is noted the Gotei 13 underwent dramatic changes after the extermination of the Quincy, mellowing out in the ensuing peace, having now found a sense of justice upon discovering things to protect and treasure

TO