After examining the space, the tactician finds himself in agreement. He learned from the foray into the mines that the process of finding these keys can be convoluted, but with so many people searching, their chances are favorable.

"It could be one of the relics kept in the shrine. I'll ask." Orcelito returns up the staircase to check with the attendants if they've seen anything of that shape. While he doesn't expect an answer (they surely would have tried the lever if they had), it will give him a chance to look around the upper levels himself.