[Signum just smiles slightly. She remembers the disorientation everyone had to begin with.]

I am Signum. I'd give you my full rank and titles, but none of my superior officers are here anymore so I don't think it really matters.

[She reaches into her collar and draws out a small, sword-shaped pendant that hangs around her neck.]

And this is Laevatein, my Device. I call it my partner, even if it's not exactly intelligent.

CLEVERSTE JETZT HIER. [The pendant itself speaks that part in a robotic voice]

Without giving too much away, it's both a sword and a channel for magic.