Kholusia is a new region introduced with Shadowbringers. This How To Use Elevator Ladder In Kholusia In Final Fantasy XIV will tell you what you are required to do before you are able to use the elevator ladder in the region to access the Northern part of the area.
The area design in Shadowbringers can be a little confusing. There are many areas that, when you first arrive, you can only explore a small portion of. When you first enter Kholusia via the Main Story Quest, you are only able to explore the Southern part of the area.
How To Use Elevator Ladder In Kholusia In Final Fantasy XIVWhile you may want to explore Kholusia fully at the start, so you can unlock all the Aether Points, unfortunately you must wait.
You need to complete the Main Story Quest “The View From Above”. This is approximately around level 78 that you gain access to the quest. It’s after you can attune to the Aetheryte in Eulmore.