Gen-kai is the most powerful psychic in the world and a winner of the dark tournament. Arter winning in the dark tornament she secluded herself in her moutain home for fifty years before one day suddenly deciding to take on a pupil. This pupil was decided through rigourous challenges and battles she designed herself. The winner was yusuke urameshi, who after threemonths declined her training but finished later in io order to be ready for the dark tournament.
- Spirit gun
- Spirit wave