Uh, if this guy wanted to kill you, he's probably not the guy for you.

[He doesn't know the story, so he's not sure who to blame in this situation: the kid, or the guy who stabbed the kid. She's not exactly an ordinary kid. And apparently not a kid at all, either.]

Grail? Summoned?

[He's sensing he's more than a bit lost in this conversation. He doesn't know most of the things she's talking about. He just has the idea that she's probably wrong somehow.]

It could be a coincidence.

[He's not a believer in fate.]