||Kallea's mother was a powerful warrioress who was called the "The Greatest Shield". However, when she was fighting with a vicious monster who attacked the village, she lost her life trying to protect her student Kaoli who was fighting with her. Kaoli felt guilty about Kallea's mother's death and she took care of Kallea who had become an orphan. But Kallea was constantly mad at Kaoli, blaming Kaoli for her mother's death. However, Kaoli's sincerity and care for Kallea touched her heart and she accepteed Kaoli. Kallea has been training to become stronger ever since then.