Cool! I build some outerspace-looking waypoints which contains nesserary items to gather, as a preparing for the next steps.

The journey starts anywhere in the meadows, oldschool vegwyser will show the next hint, where to find covered items with the moder-tool, to finish the first step finally by building a portal. A riddle for the Portal-ID, and next to step 2.

Step 2- Labyrinth - a multifloor labyrinth in the middle of the ocean, with hints clues and everything (maybe inside labyrinth portals), leading to a gate to a little harbour, where you can enter land again. Here you have to find different parts, for another portal.

Step 3- Nebellande - start from here and cross e.g. plains, with low armor or something.

I think, there would be many many ways to make it a cool quest! :)