Adventurers in the Great Labyrinth This episode is a collection of short stories detailing certain quirks about the other world and its inhabitants, including how adventuring in a peaceful kingdom has affected social and political dynamics. The king's advlsors form a party of idol heroes. The assassin Kisurugi and the witch Lavella are introduced. Saito makes the acquaintance of Donbain, a reclusive dwarven mastersmith, after easily breaking through his 108-lock door. In the Great Labyrinth, the kingdom's main adventuring grounds, Saito finds both a vacuum robot from Earth and a hidden passage which leads to an as yet unexplored part of the dungeons, thus reviving the kingdom's flagging adventuring business.