Mo shrugged rather helplessly, which was a TERRIBLE way to feel. Totally unusual and not something Mo had any experience in feeling. He shrugged again. "I dunno, Lex. I think we're supposed to head back after an hour, and we have to head all the way back through the castle. We might have time for..."

Where on his list was a likely spot? "Let's try the Room of Requirement. I know how to get in." Mo gestured down the hall before heading in that direction.