Tezcatlipoca is a powerful fictional character in Fate/Grand Order, appearing as a Servant associated with the Aztec deity of the same name. He is portrayed as a formidable, enigmatic figure with a calm but intimidating presence, reflecting his role as a god of conflict, fate, and the night. In the story, he serves as an important antagonist and later an uneasy ally, influencing major events with his immense strength, strategic mind, and unpredictable nature.