"The empathy? No. As I said, it's a side effect of having a soul," She looked away, seemingly relaxed, "As for seeing and sensing souls, well, that's an ability that all Hounds have..."

Because you couldn't hunt what you couldn't see or sense, but that probably wouldn't be helpful knowledge to him. Especially since he seemed uncomfortable with her other senses.

"All souls are unique, it's actually quite interesting to be able to sense them."