The air around the Ringing Mountains is thick with wind spirits that protect the world beyond the mountains - Forest Ridge.
Whether they go by land or air the party will encounter them - Zephyrak. They will also encounter a cauldron of Vampire Bat at the same time. If the party are on Cloud Ray the bats will attack their mount and try and bring it back.
Dregoth will then reveal that he has followed them invisibly and has come for the Lens. After the party have near defeated him Andropinis will reveal that he is also there having followed and waited for his moment.
They will be able to commune with it and it will transport them and it wherever they want to go.