Julian Ainsworth is the head of the Ainsworth family. Julian masqueraded as his father to keep his identity hidden. He was Emiya Shirou's friend before the world ended and stole Miyu from Shirou. Julian wants to use the power of Miyu as the Grail to give humans the capability to survive on the planet in his parallel universe. Julian holds the power of a cube and the leylines from the Holy Grail War in his universe to create counterfeit Noble Phantasms and Shadow heroes.