[Liem suspects that Fane would not have found Silco particularly strong when he was still human, even if physical power is not his strong suit, so he suspects he must have become more powerful as a result of his transformation. That, at least, is good to know for future.]

I was familiar enough with them in my own country.

[Partly because of his own fearful lack of understanding about his own body, and partly because of a more recent desire to hunt down and exterminate his father.]

They were known to be quite dangerous, but I suppose you’ve demonstrated that you can handle Mr. Silco quite capably. Besides, I get the impression he’s unlikely to be involved in his servant’s personal business.