Mei Raiden is a central character in the action-packed game and anime series, Honkai Impact 3rd. As one of the Valkyries, she fights against the mysterious entity known as the Honkai, which threatens humanity. Known for her intelligence and leadership qualities, Mei is often seen as a guiding force for her teammates. Her character evolves from being a gentle and caring individual to a more complex and determined warrior, especially after significant personal and emotional challenges. Her transformation into the Herrscher of Thunder marks a pivotal point in the series, showcasing her immense power and inner conflict.