Genkai

幻海

She trains Yusuke in the Spirit Light Wave Fist (Reikō Hadō Ken) aka the Spirit Wave in the English dub and coaches him to the extreme. Though she may appears nasty towards Yusuke and the others, she truly cares about all of them, and tries to lead them down the right road. Genkai is an elderly martial arts expert who lives alone in a very large temple. She first appears during Yusuke's second case as he infiltrates a tournament she is holding to find a successor to her techniques in search of the demon Rando. Genkai is a legendary reiki master, known both in the human and demon realms. Yusuke ends up winning the tournament, defeating Rando in the process, and is taken on as a student by Genkai. ~!When she was 50 years younger, Genkai and the younger Toguro brother were lovers and teammates in an earlier Dark Tournament. After winning, Toguro decides to become a demon, while Genkai returns to the human world, creating a split in their relationship. She enters the next Dark Tournament with Yusuke, disguising herself as the "Masked Fighter" in order to once again face Toguro. Her signature technique is the Spirit Wave, an outpouring of spirit energy from the whole body which can be