Superb, you're on the way to level 8!

Yes, that desert will lead you to level 8 if you can get through the path. Just follow the lens of Truth. The outcome doesn't lead to flooded inferno or the ice cave. When you reach the end, you find a cave that leads you to this mysterious place with no midi playing, all you hear is waves, to just give it a mysterious essense to it. Keep exploring this strange area to find level 8.