Ereshkigal is a character from the mobile game Fate/Grand Order, which is based on the larger Fate series. She is the Mesopotamian goddess of the underworld and is depicted as a Lancer-class servant. Ereshkigal is known for her dual nature; she is both a ruler of the dead and a protector of humanity. In the game, she has a complex personality, combining a sense of duty with a desire for companionship, making her both formidable and endearing. Her story arc involves themes of isolation and redemption.