YuYu Hakusho, Volume 8

Dr. Ichegaki's ultimate biological weapons are in the ring, but Team Urameshi is suddenly having a severe attack of conscience. After Kuwabara's enlightening reverie about how Dr. Ichigaki implanted blood-slaver nodes in the brains of Master Mitamura's martial-arts students, Yusuke and company just don't have the heart to conduct their demon-slaying business as usual. Meanwhile, the shadow Channelers--the ninjas of the Demon Plane--are on deck. With their fiendish adrenalin pumped-up to the max, Team Urameshi better pray Yukina the Ice Maiden, who came to watch, turns out to be their lucky charm.