She finds Adol when he is sent to the floating island and brings him to town to be healed.

She has a knack for getting kidnapped, attacked, or put into otherwise bad situations.

As a child she was extremely ill. Her mother, desperate to make her better, allowed Keith to slay a monster and use it's blood to keep Lilia alive. As such, Lilia has the essence of evil running through her, which Darm attempts to drain into himself.