C.C. glanced over her shoulder when his weight rest against his back. She looked at him uncertainly but the expression is gone just as quickly as it appeared. She looked away again, thoughtful.

"Heh. If it's something physical you aren't missing anything important," She replied, almost like she read his mind.

The castle seemed to pick and choose at random. The most important skill you hadn't wasn't necessarily what was lost, or so Arthas had told her. Still... Lelouch had a lot of useful mental skills. This might take awhile if they had to go through them all.

"What's your most important skill?" She pondered.