Sylar raises his eyebrows, impressed that she at least partially managed to avoid the pipe--most people wouldn't have, even with all the noise.

"Very good," he repeats, watching with interest as her leg heals itself. He may have the ability, now, but it's still somewhat of a point of interest to watch someone else heal like he does. He assumes it has something to do with the fact that usually, when he acquires a new ability, he ends up being the only person with it, so seeing someone be able to do the same as him? It's facinating.