<P> Set after the events of the final battle with Majin Buu , the film focuses on the efforts of an evil magician , Hoi , to release the deadly monster Hirudegarn onto the Earth , forcing Goku and his friends to enlist the aid of a warrior named Tapion , who may be the only one capable of defeating the monster . Series creator Akira Toriyama designed the Tapion and Minoshia characters . </P>
when does dbz wrath of the dragon take place
after the events of the final battle with Majin Buu