[Certainly are the dominant and only species there. Were. His homeworld was destroyed, but that's a sad story he won't bring up.

That does sound lonely, and he can understand that, being the only one of his species here.]

Hm, you're not the only mechanical lifeform in this city. Though organics are the majority, there are some mechs you can find here. [Reassurance, maybe. He should let her know there are others like her here, aside from himself.]

I see. I assumed you are from Earth. You do look human. [Well, for the most part, she does.] And the threat is... Shadow, I presume from your title. What are they?