Leona Heidern is a fictional character from the video game series The King of Fighters. She is a stoic and disciplined soldier, known for her blue hair and military attire. Adopted by Commander Heidern after a tragic incident in her past, Leona serves as a key member of the Ikari Warriors Team. Her quiet demeanor masks a fierce combat ability, bolstered by her inherited Orochi power. Throughout the series, she battles inner demons while striving to protect her teammates, playing a crucial role in the storyline's development.