Sherri Phoraena

She's one of the four daughters of Archiereus Mreuva Phoraena, younger sister of Cerya, and older sister of Cistina and Olivya. Formerly a sybil of the Order of Philaha, turned magus of the Bakram-Valerian Kingdom becoming a high-ranking member of the Bakram army. She turned her back on her family after her mother's death, leaving for a different calling. She's initially encountered as an enemy in Hagia Banhamuba, but can be recruited if allowed to make amends with her family.