Breq Ghaiad
Breq is one of the protagonists in the book. After the defragmentation of the One Esk, Breq became self-aware and fully conscious of her actions. With the power to deliver her own judgment, Breq seeks to avenge the death of her captain, Awn.
Seivarden Vendaai
Vendaai worked with Breq a thousand years before she got frozen. After spending a millennium in an induced coma, Vendaai wakes up and finds a new world order. Her family is dead, and the Radchaai Empire has entered a peace treaty with the alien Presger Empire. Haunted by nightmares of his past and current reality, Vendaai has become a drunk.