Sion Eltnam Sokaris

Sion Eltnam Sokaris is a Magus of Atlas, and the adopted daughter of its director, Zepia Eltnam Atlasia. Within the World of Fate/stay night, she encounters Lord El-Melloi II during an expedition into the underwater Library of Alexandria and briefly becomes the Master of Ptolemy I Soter alongside Ergo. Within the World of Fate/Grand Order, she supports Chaldea Security Organization in the Grand Orders, becoming the Master of Captain Nemo in the process. She is also the shared Master of Kama, alongside Ritsuka Fujimaru, in the System Grail War. In Tsukihime Worlds she takes a slightly different path and adopts the Atlasia name, becoming Sion Eltnam Atlasia.