Treasure Hunter Gumiel:
Hm... could it be over here? I think I saw that column before. In fact I'm sure of it. Blast, how do I tell the difference between a real wall and a fake wall!
Oh, sorry, you have that look of someone who needs help but I really can't. I mean, don't I look pretty busy right now? Sheez.
(This is a quest that can be taken once a day. It resets at 6:30am.)