Excalibur is a legendary holy sword and one of the most enigmatic characters in the anime and manga series Soul Eater. Known for his eccentric and overbearing personality, Excalibur is infamous among Meisters and Weapons for being almost impossible to wield due to his endless list of annoying rules and demands. Despite his small stature and comical appearance, he possesses immense power and knowledge. Excalibur serves a mostly comedic role but is central to several episodes, highlighting the theme of partnership and patience.