I was brainstorming a idea for the 3th dungeon on my project quest and i think i find a idea:
Everyone must know the Pokemon Mystery Dungeon from GBA ? well it's that dungeon i had an idea so there's the ideas styled GBC:
-Sky Tower Entrance: You fuse the mountains walls and a huge clouds walls.
-Clouds Tiles: The tiles that you can see on Zelda Lttp and Mc or on Pokemon Mystery Dungeon. That tiles will apply especially on the Sky Tower.
-Clouds Dungeon Tilesets: Unless at different dungeon this dungeon will be a bit special: This dungeon can be made only with clouds. Clouds Dungeon wall, Clouds Tiles, Clouds Stairs.
...
It's a idea i imagined but however i'll need help because i'm not very good to creating dungeon tilesets i can only recolor them.