User blog comment:Mnzombie/Issei's Peerage/@comment-84.72.208.191-20131130032938/@comment-1359322-20131130053954

I think he's asking what will happen to the servant's Evil Piece when they become independent. Well the answer is nothing, that servant is still under his/her master even after he becomes independent. Tannin is still Mephisto's Queen even after he became independent.