Mother's core programming objective is to raise children on the new human planet, Kepler-22b, along with shaping them not to end up with the same fate that caused Earth to die out. She was sent to do this.Mother is a necromancer, a build of killer android used by the Mithraic during their war with the atheists, but she was re-programmed to be a caregiver by the athiest who redesigned her core programming objective.Over time, however, she has begun to slowly discover her hidden innate abilities as a necromancer, causing her re-programming to slowly revert and reveal her true nature to her six kids.