Yu Yu Hakusho Episode 21 English Dubbed Episode Title:Yusuke's Sacrifice.Episode Description:Yusuke uses up almost all of his spirit energy, seemingly murdering Suzaku's entities, to which Suzaku restores the spirit energies of the six. Kuwabara, Kurama, and Hiei make it to the top of the watchtower. Yusuke, confronted with an image of Keiko with her life threatened by the Makai-infested civilians, finally defeats Suzaku by using the last of his life energy to destroy all of his clones as well as to shatter the Makai Whistle from within the process of his action, reverting the Makai-infested civilians back to normal while saving Keiko and Botan at the same time. Kuwabara transfers some of his spirit energy to the barely surviving Yusuke before the four return to the Living World.