Read more about Xelloss at: Wikipedia

Official Site: ADV Films

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(sometimes spelled Xelloss) is a fictional character and prevalent figure in the Slayers fantasy manga, light novel, and anime. He is a powerful Mazoku (demon), who is both a help and a hindrance to protagonist Lina Inverse and her friends.

Xellos is the single most powerful servant of Zelas Metallium, who in turn is one of the five retainers of Ruby Eye Shabranigdo, one of the Slayers series' deity-like beings. Because of this relationship, some consider Xellos Metallium his full name, but he calls himself simply Xellos, the Priest.

Xelloss has not been a contender in any CBUB matches.