Quest 488



=Walkthrough=
 * Speak with Asahi in Yangshuo's Hideout. We are to exorcise a demon from a katana in Kamiharmui Castle.
 * Report to Hagi @ E-2 inside Kamiharmui Castle who explains the situation.
 * Go inside the room nearby Hagi and examine the cursed katana for a boss battle and a cutscene.
 * After the battle, step outside for another cutscene.
 * Return to Asahi to collect your reward.