Martin Septim is a fictional character from the video game series The Elder Scrolls, specifically featured in The Elder Scrolls IV: Oblivion. He is the last heir of the Septim bloodline, which has ruled the Empire of Tamriel for centuries. Martin is initially introduced as a humble priest in the city of Kvatch, unaware of his royal heritage. As the story unfolds, Martin becomes a key figure in the fight against the forces of Mehrunes Dagon, a Daedric Prince. He ultimately embraces his destiny, taking on the role of Emperor to restore peace and stability to the Empire, while also playing a crucial part in the main quest of the game.