Arzhel is secretly the Prince of Lydia, your enemy kingdom. His father had killed your parents, the king and queen of Zhou. It caused you to be distressed. He was sent to disguise himself as a knight, pretending to be injured. You took him in, and he secretly uncovered your secrets. You were f your weakness and leading his troops to conquer your kingdom. But after meeting you and getting to know you and your pain after your parent's death, he started to care. But his father said to kill you.