By using this site, you agree to our Privacy Policy and our Terms of Use. Close
firebush03 said:

Ah so I just figured out the purpose of those compasses… huh. That would’ve been useful to know about before having completed like 90% of the game. Lol!

You are not alone, I had messed around with them on the map but it was just a couple days ago I happened to get to the right spot and it showed the prompt to hit "A" to reveal the dungeon.  I hadn't paid enough attention to realize each one was working independently and kept trying to follow more than one needle at once.  Then I spent time using the compasses (really didn't like the blue dot ones).

Spoiler!
I believe myself to be near the endgame but my collection level makes me wonder if there is a whole underground section.