"Do you mean the revival for your androids, or magic that humans once had?" It's an important distinction, seeing at 9S... isn't biological. Syrlya is familiar that a golem can be rebuilt and rebooted, and he assumes that's the same for 9S.

But true resurrection hasn't been possible in Tyria for centuries. He barely witnessed the revival at the end of the hunt, being so far away, so he's a little curious about a form of magic that's largely lost to them.