They fly the ship downward into The Underworld where they find it to be the same as the last time they'd been there, Magma all around exept for the rather large Island in the middle. From their height they can see the Summoned Monsters Village, The Castle of the Dwarfs, and the Cave of the Sylph's. "Where should we check...?"

Monster's Village

The Sylph's Cave

Dwarf's Castle