Lina is a supporting character in the series. She has blue hair and blue eyes. She works as an adventurer alongside her husband, Claude, and the two are known as the adventuring duo Ice Flame. Lina takes her role as an adventurer seriously and is often seen using her staff to discipline Claude whenever he tries to drink or behave recklessly. Despite her no-nonsense attitude toward her husband, she is friendly and kind toward Cain, the protagonist. Her motivations center on fulfilling her duties as an adventurer and maintaining order within her partnership. Her primary ability involves wielding a staff in combat, and her partnership with Claude indicates they possess complementary fighting styles. She does not undergo significant character development within the story, remaining a steady and competent presence who aids Cain during his adventures.