Yuumi Bookhart is a magical cat and one of the champions in the popular game League of Legends. As an enchanted feline familiar, Yuumi partners with her sentient book, the Book of Thresholds, to search for her missing master, Norra. In the game and its accompanying lore, Yuumi serves as a supportive role, offering healing and protection to her allies. With her whimsical personality and adventurous spirit, Yuumi brings both charm and powerful magic to the battlefield.