Member of the prestigious Testarossa dynasty, one the most important noble houses of Argos, the revel and stubborn Alis was always the source of problems for all her family because her impetuous behaviour. When she was thirteen, Alis began to show some supernatural talents, and her parents, fearful of the fact that she could bring shame to her family, used their influence to send her to the church. There, Alis could develop her skills under the supervision of the Knights of the Saint Order, and when she was only 21 obtained the title of high captain in recognition to her extraordinary abilities.

Thanks to her control over energy and her capability of create wings of light and move upon the skies, she has began to become a legend over the Saint Order, and some people see her as a angel sent by heaven.