A vibrant and dynamic movie poster showcasing a young woman in elaborate, futuristic samurai attire, brandishing a gleaming saber. Her stance is poised and powerful, set against a dramatic backdrop of fluttering banners and grand ceremonial bows. In the distance, the silhouette of a majestic, ancient Mech looms under a bright, sunny sky, casting a nostalgic yet awe-inspiring presence. Rendered in bold anime and manga-inspired visuals, the scene bursts with vivid colors and intricate details, emphasizing high-definition quality reminiscent of offset printing. The poster exudes a sense of joyful determination in natural lighting, capturing the essence of a richly animated world in 8K resolution, designed to captivate with its cinematic flair.