Oz is a trade paperback collecting comic stories based on the Buffy television series about the character Daniel "Oz" Osbourne. Not to be confused with the novel, Oz: Into the Wild.
Oz left Sunnydale in search of his own nature, he travels to the Far East. Oz goes across the globe in search of a secret monastery where he might learn to find inner peace. When he arrives, he discovers that a number of the monks have been kidnapped by a demon-race. Oz must rescue the monks and overcome a terrible demon.
Oz (TPB) on Wikipedia