[In response, Grainne pulls her knife and pricks her thumb, drawing a bit of blood.]

Just a spell to make sure we are not overhead. I just learned it.

[She touches the blood to their lips in turn, repeating the words she learned from Waver.]

Ready silence.

[Why this particular spell is in their language, she didn't quite know, but it made things easier.]

You are getting ready to leave, aren't you? It is because of the rumors of war. Lord El-melloi just asked me to oversee the Station's evacuation plans.