Here are two copies that I own - the left is the three book volume,
the right is the first book in the series,
She also appears to be under the protection of Gird, a soldier-saint who was the focus of a prequel book, and who is the centre of one of the many religions - but not the religion of Paks, who has trouble believing that Gird is helping her. Through her skill and courage, she rises in the ranks and plays the hero on several occasions, but by the end of the first book, she's suffering as she acts against her morals, and takes leave from the Duke's Company to decide what she wants to do with her life. From there, she goes adventuring, gets caught up in elf magic and evil priests, and eventually starts training to become a Paladin of Gird.