A dynamic anime-style upper-body portrait of a warrior heroine with long, flowing black hair and piercing blue eyes. She is wearing detailed, battle-worn armor inspired by Attack on Titan, with a red scarf draped around her shoulders. Her confident expression and slightly battle-ready pose highlight her strength and determination. The art style features bold outlines, vibrant cel-shaded colors, and dramatic lighting that emphasizes her sharp features and intricate armor details. --ar 4:3 --niji 5 --style expressive