Lilina Ostia is a prominent character in the Fire Emblem series, specifically in 'Fire Emblem: The Binding Blade.' She is the daughter of Hector, the Marquess of Ostia, and a close childhood friend of Roy, the game's protagonist. Lilina is known for her kind heart, intelligence, and strong sense of duty. As a mage, she excels in casting powerful spells, supporting her allies in battle. Throughout the series, Lilina plays a crucial role in the political and military struggles, aiding Roy in his quest to restore peace to the continent of Elibe.