Hammer Out a Future — Billy Wong

Anime inspired fantasy adventure with a pint-sized powerhouse of a heroine. In a world devastated by magical war, mercenaries Lars and Allen search for a way to heal the head injury Allen suffered during the conflict that destroyed most of civilization. On a job they meet Cart-Dragger, a warrior with a giant hammer whose deeds have made her a legend. After she saves them from one of the God Soldiers, elemental giants once used as living weapons, they join forces with her to help rebuild her city. When the remnants of the empire that started the war attempt to rise again and take back control of the monstrous legions they once commanded, it falls to Cart-Dragger and friends to stop them. A full length novel.