Her name is Serena. She is attendet to the special force unite "Alpha".
The female warrior she is sitting on is her fight-avatar. Here, the avatar stands for a strong will to live.
Serena is not just stronghearted but her avatar called "Brunhilde, the Valkyrie". She can just call Brunhilde out, if there are allready someone death around her.
But because of this Brunhilde is pretty strong. She can destroy a whole city of 10 kilometers, in an insteand!