Here is her official character description:
From faraway lands travels this vengeful warrior.
Along with her left eye and right arm, Baiken had lost everything when she was only a child. Now, shaped by that harrowing experience, she dedicates her life in tracking down the one responsible for everything—That Man. No land is too far, and no warrior is strong enough to stand in her way. With an unwavering blade and peerless sight, Baiken swears to track and cut down That Man.
Watch the trailer below. View a set of screenshots at the gallery.