A detailed illustration of Sigyn, the Norse mythology goddess, depicted as a Viking warrior donned in intricate armored attire. Her long blonde hair flows gracefully, complementing her fierce fighting stance. The ensemble features striking green accents, and her bare shoulders add a touch of elegance. She is the sole focus of the scene, highlighted by cinematic lighting. A crown adorned with subtle horns rests upon her head, exemplifying her regal presence. The image captures her with perfect clarity, highlighting her strength and beauty, ensuring all features are intact and proportionate, with no distortions or imperfections.