Kurama's Fury! Who Is That, Really?! Yu yu hakusho : Season 3 Episode 84

Yusuke and his entourage have made it to Sensui's lair, but their battle to save the human race is just beginning. The opening to the Demon World is widening rapidly and shows no signs of slowing down. What's more, an old nemesis reveals his own master plan. His target, Kurama!