In Bravely Default I'm told by a villager that dungeons often have walls I can walk through to find secrets. I found the secret passage in the western cave, are there any others in the other dungeons in the demo?
Not sure if it's already well known but I just found one in Twilight Ruins - B1 West
At the first fork in the path from the entrance stairs, it's on the bottom left wall. I forgot exactly what it gives you though.
Also don't know if this dungeon's available in the demo since I started out with the full version. If it's not then sorry for the mixup.