Imca

"The death of one specific individual... I wish for nothing beyond that." —Imca, Valkyria Chronicles 3 Imca (イムカ Imuka?), also known as "Ace" or "Number 1," is a Darcsen heavy weapon specialist whose village was destroyed by the Valkyria and she is seeking revenge. No matter what the situation she always uses her prized weapon, Var, which can be outfitted to suit all infantry classes. - From Valkyria Chronicles Wikia