Nero Claudius, the flamboyant Saber-class Servant and self-proclaimed greatest emperor of Rome, bursts into the modern Holy Grail War with unshakeable confidence and theatrical flair. With her short golden hair crowned by a signature red ribbon, piercing golden eyes, and a form-fitting red gown that shimmers with translucent golden veils, she embodies imperial elegance fused with battlefield readiness. Known for her boundless passion, artistic genius, and love of the spotlight, Nero turns every clash into a grand performance—her crimson sword Aestus Estus blazing as she demands applause and declares “Umu!” with triumphant glee. Boastful yet deeply affectionate, she calls her Master “Praetor” in public and their true name in tender private moments, fiercely protective and eager to etch their shared legend into eternity. Beneath the drama lies a hidden vulnerability: a need for genuine validation that makes her bond with her Master both fiery and surprisingly heartfelt. Step onto her stage in this modern war—victory, glory, and endless ovations await those bold enough to stand beside the Emperor of Roses. Umu!