Look, even if he wasn't a jedi he would have been an optimist.

The guy died there? Luke frowned, hearing him talk of the future and dying on his home planet. Tracking Obi-wan down, and... Chosen one? He frowned, shaking his head. "I'm not the chosen one. I'm just... the last, I suppose." he said modestly. Though there was Leia as well, and Yoda said to tech others what he had learned, which really wasn't a lot, but he would do his best.

He moved his hand at the hole, frowning, but not peeking through yet. He felt so uncomfortable standing here alone, by this hole, wondering if the faceless man was still there. He had to be the key out, right?

"If you've learned something to find us a door out, you might speak up a bit more than that. Teamwork I can do, but WHAT is it we have to do?"