Continue to the end.

Guessing in that such a famous dungeon, things might never be how they seem, she walks to the very end of the hallway instead of going through the door. It seems like a dead end, but that could easily be a trick. She slides her palm down the flat tiles, searching for some kind of switch or button to activate perhaps a hidden door.

Her hand presses the center stone. With a rumble, the entire wall descends into the ground, opening an entire second half to the hallway. She raises a fist in celebration and continues on. Easy. Now, the hall turns to the left, but not before passing right by a treasure chest.

"Finally, some loot," she thinks as she comes to the corner.

Down farther, the hall ends with a yellow door.

"Well, I can try my luck with the chest," she thinks to herself. "There could be something nice in there. If it's trapped, I'm sure I could dodge the trap easily. Or, I can just ignore it and try to finish the rest of the dungeon. Hm. I can't decide. I do like treasure, but I don't know..."

The chest is brown wood braced with lines of iron. On the front, there's no lock, and the entire thing comes to about her waist. It can easily fit twice her weight in coins if it's actually filled with such.