Lord El-Melloi II Case Filescharacter. A Servant summoned byDoctor Heartless. She is considered to beIskandar's Shadow, and is actuallyHephaestion's younger twin sister who worked as Iskandar's body double. Due to her lack of a proper name and identity, she is not seen as part ofIonioi Hetairoi. She has subtleheterochromia, with her left eye beingblueand her right eyegrey, though it's not uncommon for both to be thesame color(usually blue) either due to artistic license orartistic error. When using hermystic eyes, they turnorange. She was released inFate/Grand Orderas a Pretender-class Servant remembering all the events of her previous summoning as a Faker, going by the name Hephaestion.Her true name as a Pretender is revealed to actually beHephaestionMnemosyne. Character Design:Sakamoto MinejiVoice Actress:Taichi You