Lumine Hall
Fobby Fobby Fobby Fobby Fobby Fobby
Down the hole you'll find a Talking rock.
There are a lot of ladders hand holes that will allow you to navigate through this dungeon.
The map is your best friend as you follow the path to the next shiny spot. The short path is, go up ladder D, then up towards ladder F and then go west.