[and consider this a first. ...though obviously she wouldn't know as well, but Archer doesn't look shocked often. but it's there now. he can't allow removing his blades for now, as with her being of the Saber class he could easily be slain in a single blown if left wide open. but the more that she speaks, the more that it begins to make sense to the Servant]
The Second Magic? I see... Tell me. Where is your Master? [depending on how she answered, he could confirm the reason behind why he couldn't feel any prana coming from his own]
no subject
The Second Magic? I see... Tell me. Where is your Master? [depending on how she answered, he could confirm the reason behind why he couldn't feel any prana coming from his own]