La Croix

La Croix, formerly known as Shirome Artiste, is Promestein’s right-hands and the elder sister of Chrome.

Alice XV (Fifteenth) cast her family out as La Croix was deemed insane. At some point she died and was resurrected into Promestein's loyalist.

Trivia

 * Her name, La Croix is French for 'The Cross' a symbol of Christianity. This may be a reference to her raising of the dead.