"Good!" They're louder than they probably have to be, even though it's a bit windy. His ears are clearly built for that...but that actually doesn't occur to them.

"There's a lake somewhere inside that part," they inform him, pointing at the tapering stone. "I don't know how it fits there, though!" The space seemed bigger than the bottom half looks from the outside, they think.

Closer and closer to the true end of the castle, the winds pick up speed. The darkening clouds swirl.