a new neutral character appears, a mysterious female ghost named susaku, who tells goemon where bismaru escaped: mafu island, an island full of undead, creepy ghost creatures in middle of the lava. in the local town, goemon meets the wise man again, who reveals bismaru's plan of returning the evil king dochuki to the human world again. the gang must head to the third castle just to realize that it's too late, and dochuki is already alive.