Yuyu Hakusho Episode 96

While visiting a former Spirit Detective, Yusuke encounters three strangers from Demon World who have a message for him. Yusuke learns of a war between the kings of Demon World, which if escalated could spell disaster for everyone in Human World. Yusuke must travel deep into the heart of Demon World to make sure the wrong demon doesn't gain power, so he must leave his life behind, and once again fight for the human race.