Scathach-Skadi is a prominent character in the mobile game Fate/Grand Order, which is part of the broader Fate series. She is a fusion of two powerful figures from different mythologies: Scathach, a legendary warrior-queen from Celtic lore, and Skadi, a goddess associated with winter and hunting in Norse mythology. In the game, Scathach-Skadi serves as a key character in the 'Lostbelt No.2: Götterdämmerung' storyline. She is depicted as a wise and formidable Caster-class Servant, guiding and aiding the protagonist in their quest against formidable foes.