"Hmmm, let's see the mirror I think was on the 4th floor. I heard there's something of a blocked passage behind it, but I'm not exactly sure..." with a grin she continues "But it would be fun to check it out."

"The room of requirement is upstairs actually just down from our common room." after a moment of thought.

Lifting her lashes, a slight bit, she looks at Copernicus "Which would you like to check out first?"